FCC ID: ZPRM3-VHF-136 110W VHF BASE STATION

MASTR III Repeater Calibration Procedure 5/16/2011 1 Repeater Configuration 1.1 Radio Programming The radio should be programmed using the Harris MASTR III Control Shelf Programming application M3.BAT (MS-DOS batch file) using a standard RS232 serial cable connected to the MASTR III Data Port (Left Receiver or Right Receiver) and the host PC. The Bandwidth should be set for 12.5kHz Narrowband operation. Default factory settings are used for all other parameters except as required by the user. 1.1.1 Options Menu F7 The Bandwidth should be set for 12.5kHz Narrowband operation. Enable Digital Pager and P25. Default factory settings are used for all other parameters except as required by the user. Figure 1-1 Bandwidth Setting 2 Radio Calibration using PCCT Radio calibration requires a Radio Service Test Set with APCO 25 capability. The following example uses an Aeroflex 3920. 2.1.1 Equipment Set Up Raytheon JPS Communications, Inc. 8/22/2011 2-1 MASTR III Repeater Calibration Procedure 5/16/2011 Connect the equipment as shown below:

P25CC CAT 5 PCCT Calibration Software PC Radio Under Calibration Aeroflex 3920 Tx T/R 50 ohm coax P25CC Radio Interface Cable Figure 2-1 Equipment Setup Raytheon JPS Communications, Inc. 8/22/2011 2-2 MASTR III Repeater Calibration Procedure 5/16/2011 2.1.2 Initial Steps 2.1.2.1 Set the Radio Test Set to analog duplex mode and program to monitor the frequency of the transmitter. 2.1.2.2 Power up the radio and P25net CC. 2.1.2.3 Launch PCCT and connect to the P25net CC channel. 2.1.3 Radio Tx Calibration 2.1.3.1 In PCCT go to the Configure >Tx window and select Analog Sine Wave per Figure 2-2. Preset the Tx Gain and Offset Pots to the values shown. Figure 2-2 Configure Tx Window Raytheon JPS Communications, Inc. 8/22/2011 2-3 MASTR III Repeater Calibration Procedure 5/16/2011 2.1.3.2 Start a Sine Wave test tone in PCCT and adjust the Tx Gain for approximately 2.8kHz as read on the test set deviation meter (Figure 2-3). Adjust the Tx Offset to as necessary to get the correct transmit frequency

(minimum offset). The Tx Gain and Offset Pots are interactive so this will require some iteration to get the proper settings. Once you have made coarse adjustments, use the TxVcoGain and TxVcoOffset Pots for finer steps. The TxVcoOffset Pot has 100 step increments; you can interpolate and enter a number in the box to get a finer step if necessary. Figure 2-3 Test Set Oscilloscope: Demodulated Audio Raytheon JPS Communications, Inc. 8/22/2011 2-4 MASTR III Repeater Calibration Procedure 5/16/2011 2.1.3.3 Change the test tone selection on PCCT to Analog Short Square Wave

(100Hz) and verify the demodulated audio oscilloscope displays a good approximation of a square wave with generally flat high and low levels

(Figure 2-4). A poor square wave indicates the radio needs to be aligned with the factory service software to achieve better DC Balance. Figure 2-4 Test Set Oscilloscope: Short Square Wave Raytheon JPS Communications, Inc. 8/22/2011 2-5 MASTR III Repeater Calibration Procedure 5/16/2011 2.1.3.4 Reconfigure the test set for P25 mode. 2.1.3.5 Start an IMBE test tone using PCCT set to Standard Tone Test Pattern. Figure 2-5 Standard Tone Test Pattern Raytheon JPS Communications, Inc. 8/22/2011 2-6 MASTR III Repeater Calibration Procedure 5/16/2011 2.1.3.6 Listen for a 1200Hz sine wave in the monitor speaker set for demodulated audio. A P25 Handset may also be used for this step if tuned to the proper frequency in conventional P25 mode. 2.1.3.7 Check the Symbol Deviation to verify that it is 1750Hz +/- 75Hz; adjust the TxVcoGain to increase or decrease the deviation if necessary. Also, you may adjust the Frequency Error by trimming the TxVcoOffset if needed. The Constellation and Eye Diagrams are shown for reference. The Modulation Fidelity should be better than 5% (typically<2%; SeeFigure 2-6) . Figure 2-6 Transmitter Performance Screen This completes Transmitter calibration. Unkey the transmitter and install a dummy load on the Tx output in preparation for Receiver calibration 2.2 Rx Calibration Receive calibration adjusts the P25net CC audio input level to match the radio line audio output level and calibrates the P25net CC for the RSSI signal from the receiver. Rx Gain provides adjustment for the receiver line audio output entering the Channel Card. Raytheon JPS Communications, Inc. 8/22/2011 2-7 MASTR III Repeater Calibration Procedure 5/16/2011 Rx Offset provides a DC reference level adjustment for the receiver audio. This adjustment allows the output reference DC level from the receiver to be matched by the P25netCC Rx input. RSSI Gain provides level adjustment for the RSSI input. RSSI Offset provides a DC reference level adjustment for the RSSI input signal. 2.2.1 Equipment Setup Connect the equipment as shown in Figure 2-7. Radio Under Calibration Aeroflex 3920 Rx Tx T/R 50 ohm coax 50 ohm coax P25CC Radio Interface Cable 50 ohm dummy load P25CC CAT 5 PCCT Calibration Software PC Figure 2-7 Rx Calibration Set-up Raytheon JPS Communications, Inc. 8/22/2011 2-8 MASTR III Repeater Calibration Procedure 5/16/2011 2.2.2 Initial Steps 2.2.2.1 Launch PCCT and go to the Configure >Rx and Tx Manual window and set default values for the Rx and RSSI parameters as shown in Figure 2-8. Check the Enable Editing boxes for entering parameters. Figure 2-8 Configure Tx and Rx (Manual) Window Raytheon JPS Communications, Inc. 8/22/2011 2-9 MASTR III Repeater Calibration Procedure 5/16/2011 2.2.3 Rx Calibration 2.2.3.1 Go to the Configure > Rx (Automatic) screen. 2.2.3.2 Set the generator to Analog Duplex Mode at the Receiver frequency; set the modulation for a 1200Hz Sine with 2.83kHz deviation. With the generator on and set to -70dBm, Check the Rx beam box and start the oscilloscope on PCCT. 2.2.3.3 Adjust the Rx Offset so the mean of the observed sine wave is centered as close as possible about zero. Adjust the Rx Gain so that the signal peaks are slightly less than +17,000 and -17,000 but greater than +14,000 and -

14,000 (Figure 2-9). Figure 2-9 Rx Gain and Offset Adjustment Raytheon JPS Communications, Inc. 8/22/2011 2-10 MASTR III Repeater Calibration Procedure 5/16/2011 2.2.3.4 Go to the Configure>Rx (Automatic) window and select trigger on RSSI value of 2000. 2.2.3.5 Hit Trigger, Calculate, and Save to calculate and store the coefficients for Rx Scale Factor and Offset Note: If the Rx gain is too high or low a Calibration Warning will prompt you to change the Rx gain and repeat the operation. 2.2.3.6 Return to the Configure >TX and RX (Manual) screen and place a (-) sign in front of the Rx Scale Factor number. The MASTR III requires a 180 degree inversion for proper synchronization of P25 frames. 2.2.4 RSSI Calibration 2.2.4.1 Sect the Configure>RSSI (Automatic) screen. Figure 2-10 RSSI (Automatic) Screen Raytheon JPS Communications, Inc. 8/22/2011 2-11 MASTR III Repeater Calibration Procedure 5/16/2011 2.2.4.2 Set the generator to -120dBm and turn on. 2.2.4.3 With the RSSI Gain set to 10, start the Oscilloscope and adjust the Offset until the trace is around -30,000 (Figure 2-11). Figure 2-11 RSSI Low Level Raytheon JPS Communications, Inc. 8/22/2011 2-12 MASTR III Repeater Calibration Procedure 5/16/2011 2.2.4.4 Select the Zeroise button. Then select the Get value 1 button next to the -120dBm entry. 2.2.4.5 Change the generator level to -60dBm.Adjust the RSSI gain as required to move the trace to above +30,000. Figure 2-12 RSSI High Level 2.2.4.6 Set the generator back to -120dBm and verify the trace goes back to around -30,000.Adjust RSSI Offset as required. 2.2.4.7 Reset the generator to -60dBm and select the Get value 2 button next to the -60dBm entry. 2.2.4.8 Select Calculate, then Save. A warning message will prompt you to repeat the procedure if the limits are not satisfied. See Figure 2-13 RSSI Calculate & Save Screen. Note that RSSI values are displayed for the 2 generator levels and RSSI Scale Factor and Offset and were calculated. Raytheon JPS Communications, Inc. 8/22/2011 2-13 MASTR III Repeater Calibration Procedure 5/16/2011 Figure 2-13 RSSI Calculate & Save Screen Raytheon JPS Communications, Inc. 8/22/2011 2-14 MASTR III Repeater Calibration Procedure 5/16/2011 2.2.5 Rx Verification 2.2.5.1 Turn off test set generator. 2.2.5.2 Reconfigure the test set to generate a STD 1011 test pattern at -70dBm level. 2.2.5.3 Verify the Rx LED on the P25netCC channel is lit. 2.2.5.4 Turn off the generator. 2.3 Bit Error Rate Test 2.3.1.1 On PCCT toolbar select Controller Card\Bit Error rate test. 2.3.1.2 Start the generator with a STD 1011 test pattern at -114dBm.( Be certain to include the insertion loss of the RF cable at the test frequency). 2.3.1.3 Press the Purge Data button and allow the Total Rx Blocks to reach 200 for each generator setting as you decrease the level in 0.5dB increments. 2.3.1.4 The Average Bit Error Rate should be 5% or less for -116dBm (typically -

118dBm . Figure 2-14 BER Test data This completes Radio calibration. 2.4 Load/Save Transceiver Configuration PCCT has a feature that allows saving the calibration settings for a radio as well as recalling them. This provides a short-cut around the full calibration procedure in most cases. Sometimes variation between radios and Channel Cards will require some fine adjustment of the calibration. 2.4.1 Load/Save Config Window Open the Configure>Load/Save Config screen and select the transceiver to be loaded (See Figure 2-15 Load/Save Config Screen). Raytheon JPS Communications, Inc. 8/22/2011 2-15 MASTR III Repeater Calibration Procedure 5/16/2011 Figure 2-15 Load/Save Config Screen 2.4.2 Default Radio Settings Loaded After loading a notification of the action will be displayed (see Figure 2-16 Default Settings Applied Screen). Figure 2-16 Default Settings Applied Screen Raytheon JPS Communications, Inc. 8/22/2011 2-16

Overview Manual MM102558V1 R1A, Jul/06 MASTR III Conventional ADC &

P25 Conventional Base Stations MM102558V1 R1A REV R1A DATE Jul/06 Initial Release. MANUAL REVISION HISTORY REASON FOR CHANGE M/A-COM Technical Publications would particularly appreciate feedback on any errors found in this document and suggestions on how the document could be improved. Submit your comments and suggestions to:

Wireless Systems Business Unit M/A-COM, Inc. Technical Publications 221 Jefferson Ridge Parkway Lynchburg, VA 24501 or fax your comments to: (434) 455-6851 or e-mail us at: techpubs@tycoelectronics.com ACKNOWLEDGEMENTS This manual covers M/A-COM products manufactured and sold by M/A-COM, Inc. This device made under license under one or more of the following US patents: 4,590,473; 4,636,791; 5,148,482; 5,185,796;

5,271,017; 5,377,229. The voice coding technology embodied in this product is protected by intellectual property rights including patent rights, copyrights, and trade secrets of Digital Voice Systems, Inc. The user of this technology is explicitly prohibited from attempting to decompile, reverse engineer, or disassemble the Object Code, or in any way convert the Object Code into human-readable form. CREDITS MASTR and Voice Guard are registered trademarks of M/A-COM, Inc. GETC, ProVoice and Secur-It are trademarks of M/A-COM, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation Pentium is a registered trademark of Intel Corporation. All other brand and product names are registered trademarks, trademarks, or service marks of their respective holders. NOTICE!

Repairs to this equipment should be made only by an authorized service technician or facility designated by the supplier. Any repairs, alterations or substitutions of recommended parts made by the user to this equipment not approved by the manufacturer could void the user's authority to operate the equipment in addition to the manufacturer's warranty. This product conforms to the European Union WEEE Directive 2002/96/EC. Do not dispose of this product in a public landfill. Take it to a recycling center at the end of its life. This manual is published by M/A-COM, Inc., without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by M/A-COM, Inc., at any time and without notice. Such changes will be incorporated into new editions of this manual. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of M/A-COM, Inc. Copyright 2006 M/A-COM, Inc. All rights reserved. 2 TABLE OF CONTENTS MM102558V1 R1A Page 1 REGULATORY AND SAFETY INFORMATION.......................................................................... 6 1.1 MAXIMUM PERMISSIBLE EXPOSURE LIMITS ................................................................................. 6 1.2 DETERMINING MPE RADIUS.................................................................................................................. 6 1.3 SAFETY TRAINING INFORMATION ..................................................................................................... 6 1.4 REGULATORY APPROVALS ................................................................................................................... 7 1.5 SAFETY SYMBOL CONVENTIONS ........................................................................................................ 8 2 PREFACE ............................................................................................................................................ 9 2.1 ABOUT THIS MANUAL ............................................................................................................................. 9 2.2 GLOSSARY OF TERMS ........................................................................................................................... 10 2.3 CUSTOMER SERVICE ............................................................................................................................. 11 2.3.1 Technical Support........................................................................................................................... 11 2.3.2 Customer Resource Center ............................................................................................................. 12 3 SPECIFICATIONS ........................................................................................................................... 13 3.1 CABINET..................................................................................................................................................... 13 3.2 SOURCE POWER DRAIN ........................................................................................................................ 13 3.3 STATION..................................................................................................................................................... 14 3.4 INTERFACE ............................................................................................................................................... 14 3.5 TRANSMITTER ......................................................................................................................................... 15 3.6 RECEIVER.................................................................................................................................................. 16 3.7 INDIVIDUAL EQUIPMENT WEIGHTS................................................................................................. 18 4 GENERAL INFORMATION........................................................................................................... 19 4.1 REFERENCE MANUALS ......................................................................................................................... 19 4.2 MASTR III ADC STATION OPTIONS.................................................................................................... 20 5 OPERATION ..................................................................................................................................... 25 5.1 CONVENTIONAL STATION CONFIGURATIONS ............................................................................. 25 5.1.1 Conventional Base Station.............................................................................................................. 25 5.1.2 Conventional Repeater.................................................................................................................... 26 5.1.3 Remote-to-Repeater........................................................................................................................ 26 Transmit Only................................................................................................................................. 26 5.1.4 5.2 ENCRYPTED STATION CONFIGURATIONS...................................................................................... 26 5.2.1 End-to-End Encryption................................................................................................................... 26 5.2.2 RF-Only Encryption/Decryption .................................................................................................... 27 5.3 MODES OF OPERATION......................................................................................................................... 27 5.3.1 Analog FM...................................................................................................................................... 27 5.3.2 Data ................................................................................................................................................ 27 5.3.3 Digital Voice................................................................................................................................... 27 5.4 ENCRYPTION FORMATS ....................................................................................................................... 28 5.4.1 Data Encryption Standard (DES).................................................................................................... 28 5.4.2 Voice Guard Encryption (VGE) ..................................................................................................... 28 5.4.3 Advanced Encryption Standard ...................................................................................................... 29 5.5 P25 CONVENTIONAL CONFIGURATIONS......................................................................................... 29 P25 Conventional Station Operation .............................................................................................. 29 5.5.1 P25 Conventional Repeater Station Operation ............................................................................... 30 5.5.2 5.5.3 P25 Conventional Station with Console ......................................................................................... 30 5.6 PROGRAMMABLE FEATURES FOR CONVENTIONAL STATIONS............................................. 33 5.6.1 Conventional Stations (Setup) ........................................................................................................ 34 3 MM102558V1 R1A TABLE OF CONTENTS Page 5.6.2 Main Station Data ...........................................................................................................................34 5.6.3 Push-to-Talk Options......................................................................................................................36 5.6.4 Other Potentiometer Settings ..........................................................................................................36 5.6.5 Carrier Control Timer .....................................................................................................................36 5.6.6 Squelch Tail Elimination ................................................................................................................37 5.6.7 Drop Out Delay Timer ....................................................................................................................37 5.6.8 Control Shelf Options .....................................................................................................................37 5.6.9 Station Remote Control...................................................................................................................38 5.6.10 Auxiliary Control Relay..................................................................................................................41 5.6.11 Squelch Operated Relay..................................................................................................................41 5.6.12 Channel Guard Monitor ..................................................................................................................41 5.6.13 System Module - Digital Signal Processing....................................................................................42 6 MASTR III ADC STATION DESCRIPTION................................................................................ 43 6.1 MASTR III ADVANCED DIGITAL CAPABLE T/R SHELF................................................................43 6.1.1 Interface Board ...............................................................................................................................44 6.1.2 Backplane........................................................................................................................................44 6.2 STATION EQUIPMENT............................................................................................................................48 6.2.1 Station Power Supply......................................................................................................................48 6.2.2 DC Power Distribution Panel..........................................................................................................48 6.2.3 RF Power Amplifier Assembly.......................................................................................................48 6.2.4 RF Antenna Switch Assembly ........................................................................................................49 6.2.5 Cabinet Enclosures and Open Rack Assembly ...............................................................................49 TABLES FIGURES Table 1-1: Regulatory and Standards Approval List ............................................................................. 7 Table 2-1: Glossary of Terms.............................................................................................................. 10 Table 4-1: Reference Manuals............................................................................................................. 19 Table 4-2: MASTR III ADC Pre-Configured Conventional Station Packages ................................... 20 Table 4-3: MASTR III ADC Conventional Station Options and Accessories .................................... 22 Table 4-4: MASTR III ADC Programming, Test and Alignment Tools............................................. 24 Table 5-1: Typical* Tone Functionality for Tone Remote Control Signaling .................................... 41 Figure 2-1: Examples of MASTR III Conventional Base Stations ....................................................... 9 Figure 5-1: MASTR III P25 Conventional Station Functional Diagram............................................. 31 Figure 5-2: MASTR III P25 Conventional Simplified Interconnect Diagram .................................... 32 Figure 5-3: Tone Remote Control Signaling ....................................................................................... 40 Figure 6-1: Advanced Digital Capable T/R Shelf (Equipped for Conventional FM).......................... 44 Figure 6-2: MASTR III ADC T/R Shelf Backplane and Interface Board........................................... 45 Figure 6-3: Transmitter Synthesizer Module....................................................................................... 45 Figure 6-4: Receiver Synthesizer Module ........................................................................................... 45 Figure 6-5: Receiver Front End Module.............................................................................................. 45 Figure 6-6: Receiver IF Module .......................................................................................................... 46 Figure 6-7: System Module ................................................................................................................. 46 Figure 6-8: Data Module ..................................................................................................................... 47 Figure 6-9: AMPF Module.................................................................................................................. 47 4 MM102558V1 R1A TABLE OF CONTENTS Figure 6-10: Power Module................................................................................................................. 47 Figure 6-11: DSP Module ................................................................................................................... 47 Figure 6-12: 120 VAC Switching Power Supply ................................................................................ 48 Figure 6-13: 240 VAC Switching Power Supply ................................................................................ 48 Figure 6-14: RF Power Amplifier ....................................................................................................... 49 Figure 6-15: Antenna Switch............................................................................................................... 49 Page 5 MM102558V1 R1A 1 REGULATORY AND SAFETY INFORMATION 1.1 MAXIMUM PERMISSIBLE EXPOSURE LIMITS DO NOT TRANSMIT with this base station and antenna when persons are within the MAXIMUM PERMISSIBLE EXPOSURE (MPE) Radius of the antenna. The MPE Radius is the minimum distance from the antenna axis that ALL persons should maintain in order to avoid RF exposure higher than the allowable MPE level set by the FCC. FAILURE TO OBSERVE THESE LIMITS MAY ALLOW ALL PERSONS WITHIN THE MPE RADIUS TO EXPERIENCE RF RADIATION ABSORPTION, WHICH EXCEEDS THE FCC MAXIMUM PERMISSIBLE EXPOSURE (MPE) LIMIT. IT IS THE RESPONSIBILITY OF THE BASE STATION OPERATOR TO ENSURE THAT THE MAXIMUM PERMISSIBLE EXPOSURE LIMITS ARE OBSERVED AT ALL TIMES DURING BASE STATION TRANSMISSION. THE BASE STATION OPERATOR IS TO ENSURE THAT NO BYSTANDERS ARE WITHIN THE RADIUS LIMITS. DETERMINING MPE RADIUS THE MAXIMUM PERMISSIBLE EXPOSURE RADIUS is unique for each site and is determined during site licensing time based on the complete installation environment (i.e. co-location, antenna type, transmit power level, etc.). Determination of the MPE distance is the responsibility of the installation license. Calculation of the MPE radius is required as part of the site licensing procedure with the FCC. SAFETY TRAINING INFORMATION YOUR M/A-COM MASTR III BASE STATION GENERATES RF ELECTROMAGNETIC ENERGY DURING TRANSMIT MODE. THIS BASE STATION IS DESIGNED FOR AND CLASSIFIED AS OCCUPATIONAL USE ONLY MEANING IT MUST BE USED ONLY IN THE COURSE OF EMPLOYMENT BY INDIVIDUALS AWARE OF THE HAZARDOUS RF ENERGY AND THE WAYS TO MINIMIZE EXPOSURE. THIS BASE STATION INTENDED FOR USE BY THE GENERAL POPULATION IN AN UNCONTROLLED ENVIRONMENT. IT IS THE RESPONSIBILITY OF THE LICENSEE TO ENSURE THAT THE MAXIMUM PERMISSIBLE EXPOSURE LIMITS ARE OBSERVED AT ALL TIMES DURING TRANSMISSION. THE BASE STATION OPERATOR IS TO ENSURE THAT NO BYSTANDERS COME WITHIN THE RADIUS OF THE LIMITS IS NOT When licensed by the FCC, this base station complies with the FCC RF exposure limits when persons are beyond the MPE radius of the antenna. In addition, your M/A-COM base stations installation complies with the following Standards and Guidelines with regard to RF energy and electromagnetic energy levels and evaluation of such levels for exposure to humans:

1.2 1.3 6 MM102558V1 R1A FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields. American National Standards Institute (C95.1 1992), IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. American National Standards Institute (C95.3 1992), IEEE Recommended Practice for the Measurement of Potentially Hazardous Electromagnetic Fields RF and Microwave. TO ENSURE THAT YOUR EXPOSURE TO RF ELECTROMAGNETIC ENERGY IS WITHIN THE FCC ALLOWABLE LIMITS FOR OCCUPATIONAL USE, DO NOT OPERATE THE BASE STATION IN A MANNER THAT WOULD CREATE AN MPE DISTANCE IN EXCESS OF THAT ALLOWABLE BY THE FCC. CAUTION 1.4 REGULATORY APPROVALS Table 1-1: Regulatory and Standards Approval List TX Frequency Range

(MHz) Power Output

(Adjustable)

(W) FCC ID Number Applicable FCC Rules

(47CFR) Industry Canada Certification Number Applicable Industry Canada Rules CE MARK 136-174 403-450 10-110 10-100 OWDTR-0032-E 22, 90 3636B-0017 RSS-119 N/A OWDTR-0038-E 90 3636B-0038 RSS-119 450-512 10-100 OWDTR-0039-E 22, 90 3636B-0039 RSS-119 806-870 10-100 OWDTR-0036-E 90 3636B-0036 RSS-119 N/A 7 UHF-L

(403-430 MHz) UHF-H

(450-470 MHz) MM102558V1 R1A 1.5 SAFETY SYMBOL CONVENTIONS The following conventions are used to alert the user to general safety precautions that must be observed during all phases of operation, service, and repair of this product. Failure to comply with these precautions or with specific warnings elsewhere violates safety standards of design, manufacture, and intended use of the product. M/A-COM, Inc. assumes no liability for the customer's failure to comply with these standards. The WARNING symbol calls attention to a procedure, practice, or the like, which, if not correctly performed or adhered to, could result in personal injury. Do not proceed beyond a WARNING symbol until the conditions identified are fully understood or met. The CAUTION symbol calls attention to an operating procedure, practice, or the like, which, if not performed correctly or adhered to, could result in a risk of danger, damage to the equipment, or severely degrade the equipment performance. The NOTE symbol calls attention to supplemental information, which may improve system performance or clarify a process or procedure. The ESD symbol calls attention to procedures, practices, or the like, which could expose equipment to the effects of Electro-Static Discharge. Proper precautions must be taken to prevent ESD when handling circuit modules. The electrical hazard symbol is a WARNING indicating there may be an electrical shock hazard present. CAUTION 8 MM102558V1 R1A 2 PREFACE 2.1 ABOUT THIS MANUAL This manual is written for the communications professional responsible for maintaining MASTR III Advanced Digital Capable (ADC) Conventional or P25 Conventional base station equipment. This manual provides specifications and an overview of the MASTR III ADC Conventional and P25 Conventional base station, and introduces the suite of manuals that provide installation and maintenance instructions for the MASTR III Conventional base stations. 69 Cabinet Installation 37 Cabinet Installation Figure 2-1: Examples of MASTR III Conventional Base Stations 9 MM102558V1 R1A 2.2 GLOSSARY OF TERMS The following is a list of terms and acronyms used in this manual:

Table 2-1: Glossary of Terms ADC AES AGC AME AMPF CAI CAS CCT CFR CG CIU COR CTCSS CTI CUE DCG DES DES DODT DSP DSP DTMF DVIU E/D EIA FCC FM GETC GMSK ID IF IMBE LED Advanced Digital Capable Advanced Encryption Standard Automatic Gain Circuit Adaptive Multi-band Encoding Adaptive Multi-path Pop Filter Clear Air Interface Carrier Activity Sensor Carrier Control Timer Code of Federal Regulations Channel Guard Console Interface Unit Carrier Operated Relay Continuous Tone Coded Squelch System Centralized Telephone Interconnect Customer Unique Encryption Digital Channel Guard Data Encryption Standard Digital Encryption Standard Drop Out Delay Timer Digital Signaling Processor Digital Signal Processing Dual Tone Multi Frequency Digital Voice Interface Unit Encode/Decode Electronic Industries Alliance Federal Communications Commission Frequency Modulation Generic EDACS Trunking Card Gaussian Minimum Shift Keying Identification Intermediate Frequency Improved Multi-Band Exciter Light Emitting Diode 10 MM102558V1 R1A LO NRZ P25 PA PC PLL PTT RF RU RX STE T/R TAC TIA TX UHF VG VGE VGS VHF Local Oscillator Non-Return to Zero Project 25 Power Amplifier Personal Computer Phased Lock Loop Push-to-Talk Radio Frequency Rack Unit Receive Squelch Tail Elimination Transmitter/Receiver Technical Assistance Center Telecommunications Industry Association Transmit Ultra High Frequency, refers to the 370-512 MHz Band Voice Guard Voice Guard Encryption Voice Guard Standard Very High Frequency, refers to the 136-174 MHz Band 2.3 CUSTOMER SERVICE 2.3.1 Technical Support M/A-COMs Technical Assistance Center (TAC) resources are available to help you with overall system operation, maintenance, upgrades, and product support. TAC is your point of contact when you need technical questions answered. Product specialists, with detailed knowledge of product operation, maintenance, and repair, provide technical support via a toll-free telephone number (in North America). Support is also available through mail, fax, and e-mail. For more information about technical assistance services, contact your sales representative, or call the Technical Assistance Center directly at:

North America:

1-800-528-7711 International:

1-434-385-2400 FAX:

E-mail:

1-434-455-6712 tac@tycoelectronics.com 11 MM102558V1 R1A 2.3.2 Customer Resource Center If any part of the system equipment is damaged on arrival, contact the shipper to conduct an inspection and prepare a damage report. Save the shipping container and all packing materials until the inspection and the damage report are completed. In addition, contact the Customer Resource Center to make arrangements for replacement equipment. Do not return any part of the shipment until you receive detailed instructions from a M/A-COM representative. Contact the Customer Resource Center at:

North America:

Phone Number:

Fax Number:

E-mail:

1-800-368-3277 (toll free) 1-800-833-7592 (toll free) customerfocus@tycoelectronics.com International:

Latin America & Asia Pacific:

Europe, Middle-East & Canada:

Fax Number:

E-mail:

1-434-455-9217 1-434-455-9219 1-434-455-6685 InternationalCustomerFocus@tycoelectronics.com 12 MM102558V1 R1A 3 SPECIFICATIONS 3.1 CABINET Dimensions [in. (cm)]:

Height:

Width:

Depth:

INDOOR CABINET (Floor Mount) OPEN RACK 37-inch 69-inch 83-inch 86-Inch 37.0 (94.0) 21.5 (55.0) 69.1 (175) 83 (209) 23.1 in. (59) 23-3/16 (59) 18.25 (46.0) 21.0 in. (53.3) 21.0 (53.3) 85.5 (217) 21 (53.3) 21 (53.3) Weight

(with max. number of channels) 121 lbs (55 kg) 576 lbs (261 kg) 693 lbs (314 kg) 136 lbs (62 kg) 606 lbs (275 kg) 729 lbs (331 kg) Continuous Duty:

Packed, Domestic Shipping:

Rack Units (RU) (1 RU = 1.75 in.) Cabinet capacity Maximum Radio Units:

(using 1-RU power supplies) 17 RU 2 33 RU 4 3.2 SOURCE POWER DRAIN 46 RU 5 800 851-870 806-825 41 RU 5 UHF 380-512 370-512 VHF 136-174 136-174 TX Frequency Range (MHz) RX Frequency Range (MHz) AC Input Power DC Input Power (A) Tx Rx only Tx (full/half power) Rx only 5A @ 120 VAC or 3A @ 230 VAC VDC 13.8 13.8 26.4 26.4 2 2 12/8 0.5 2 2 12/8 0.5 2 2 12/8 0.5 13 MM102558V1 R1A 3.3 STATION General:

One RF Station Occupies 8-RU

(includes T/R Shelf, RF PA, & 1-RU Power Supply) Service Speaker:

Service Microphone:

1 watt at 8 ohms Transistorized Dynamic Duty Cycle (EIA) Continuous:

Transmit and Receive at 100%

Operating Temperature:

Humidity (EIA):

Input Power Source:

Optional Input Power Source:

Standby Battery Source:

Antenna Connections:

Length of AC Power Cable:

Metering:

Altitude:

Operating:

Shippable:

3.4 INTERFACE Line Interface:

Line Cancellation:

Audio (line to transmitter):

Line Terminating Impedance:

Line Input Level (adjustable):

Frequency Response:

Tone Remote Control:

Function Tones (Hz):

Secur-it Tone and Transmit Tone:

Permissible Control Line loss @ 2175 Hz:

14

-22F to +140F (-30C to +60C) 90% at 122F (50C) 120 VAC (20%), 47-63 Hz 230 VAC (15%), 47-63 Hz 26.4 VDC, 50 AHR (min.) Type N 10 ft (3048 mm) Provided through Handset or TQ0619 Software Up to 15,000 ft (4,570 m) Up to 50,000 ft (15,250 m) 2-wire or 4-wire (software selectable)

(2-wire) 20 dB amplitude only (software controllable) 600 ohms (2-wire or 4-wire)

-20 dBm to +7 dBm 3 dB @ 300 to 3000 Hz 1050, 1150, 1250, 1350, 1450, 1550, 1650, 1750, 1850, 1950, & 2050 2175 Hz 27 dB MM102558V1 R1A Audio (receiver to line):

Audio Amplifier Input Impedance:

Input Level:

Output Impedance to Line:

Output Level to Line (1 kHz ref.):

Tone (1 kHz ref.):

Frequency Response:

Hum and Noise, Noise Squelch:

Tone Squelch:

DC Remote Control Currents:

Line Loop Resistance (maximum):

10K ohms 1 Vrms (for 5 kHz Deviation) 600 ohms (2-wire or 4-wire)

+7 dBm (adjustable)

+7 dBm (Reference 7 dBm)

+1 and 3 dB @ 300 to 3000 Hz

-55 dBm (Reference 7 dBm)

-30 dBm (Reference 7 dBm)

-2.5 mA, 6.0 mA, 11.0 mA 11K ohms (includes 3K ohm termination) 3.5 TRANSMITTER Frequency Range (MHz) VHF ANALOG 136 - 174 VHF P25 DIGITAL 136 - 174 UHF ANALOG 380 - 512 UHF P25 DIGITAL 380 - 512 800 MHz ANALOG 851 870 800 MHz P25 DIGITAL 851 870 Rated Power Output (W)1 10 - 110 10 - 110 10-100 10-100 10 - 100 10 - 100 RF Output Impedance () 50 50 50 50 50 50 Conducted Spurious and Harmonic Emission

-36 dBm

-70 dBc

-36 dBm

-70 dBc

-36 dBm

-70 dBc Frequency Stability (ppm)2 1.0 1.0 1.0 Modulation Deviation (kHz) Wideband Narrowband 0 to 5 0 to 2.5 0 to 5.0 0 to 2.5 N/A 2.83 kHz nominal per TIA 102 CAAB 1.0 0 to 5.0 N/A 0.5 external freq. std. N/A 2.83 nominal per TIA 102 CAAB 0.15 external freq. std. N/A 2.83 kHz nominal per TIA 102

(CAAB) FM Noise (dB)

-55 N/A

-55 N/A

-55 N/A 1 Rated power output is measured at the transmitter power amplifier output connector per FCC Certification information. Any customer-required optional items such as power measuring devices and/or duplexers will introduce loss between the transmitter output connector and the station cabinet output connector. This loss will reduce the available power at the station connector. 2 Frequency stability is relative to the stability of the Reference Oscillator. Unless otherwise specified, the value shown in this table is relative to the internal Reference Oscillator signal which is provided by the corresponding Receiver Synthesizer Module. 15 MM102558V1 R1A Channel Spacing (kHz) VHF ANALOG 12.5/25/30 VHF P25 DIGITAL 12.5 UHF ANALOG 12.5/25 Frequency Step Size (kHz) Frequency Spread Full Spec

(MHz) Audio Distortion (@ 1 kHz) Number of Channels

(Conventional) Audio Response

(pre-emphasis) UHF P25 DIGITAL 800 MHz ANALOG 800 MHz P25 DIGITAL 12.5 1.25 1.5 25 12.5

(NPSPAC) 6.25 0.5 Less than 3%

25 6.25 0.5 TX Mask 47CFR90.210 d 1.25 2 1.25 1.5 1.25 2 Less than 3%

To Mask 47CFR90.2 10d Less than 3%

To Mask 47CFR90.21 0d Up to 12 Up to 12 Up to 12 Up to 12 Up to 12 Up to 12 Mod Fidelity

<5%

Within +1/- 3 dB of 6 dB/

octave, 300 to 3000 Hz per EIA Within +1/- 3 dB of 6 dB/

octave, 300 to 3000 Hz per EIA Mod Fidelity

<5%

Within +1/- 3 dB of 6 dB/

octave, 300 to 3000 Hz per EIA Mod Fidelity

<5%

3.6 RECEIVER VHF ANALOG*

VHF P25 DIGITAL UHF ANALOG*

UHF P25 DIGITAL 800 MHz ANALOG*

800 MHz P25 DIGITAL Frequency Range (MHz) 136 - 174 136 - 174 370 - 512 370 - 512 806 - 825 806 - 825 RF Input Impedance () 50 50 50 50 50 50 Channel Spacing (kHz) 12.5/25/30 12.5 12.5/25 12.5/25 25 12.5

(NPSPAC)

-118

(0.28 V) 25 12.5

(NPSPAC)

-116

(5% BER)

-108 faded

-116

(0.35 V)

-116

(5% BER)

-108 faded

-119

(0.25 V)

-119

(0.25 V)

-121

(0.18 V) N/A Sensitivity (dBm) EIA Threshold Squelch (dBm)

-116

(12 dB SINAD)

(0.35 V)

-119

(0.25 V)

-116

(5% BER)

(0.35 V) N/A 16 MM102558V1 R1A VHF ANALOG*

VHF P25 DIGITAL UHF ANALOG*

UHF P25 DIGITAL 800 MHz ANALOG*

800 MHz P25 DIGITAL Selectivity 2- Signal 12.5 kHz 25 kHz 30 kHz Frequency Stability (ppm) 75 dB 85 dB 90 dB 1.0 Signal Displacement Bandwidth (kHz) 12.5 kHz 25 kHz Intermodulation (dB) 12.5 kHz 25 kHz 30 kHz Spurious and Image Rejection (dB) Full Specs. (MHz) 1.0 2.0 75 80 80 90 2.0 Audio Output @ 1000 Hz, 25/30 kHz Channel (W) 1 @ <3%

distortion 60 dB Dig ACR N/A N/A 1.0 1.0 N/A 80 N/A N/A 90 2.0 N/A 75 dB 60 dB Dig ACR 20 dB

(NPSPAC) 80 dB 85 dB N/A 1.0 2 1 75 80 N/A 90 2.0 1 @ 3%

distortion N/A N/A 0.5 N/A 1 80 N/A N/A 90 2.0 N/A 80 dB N/A 1.0 1.6

(NPSPAC) 2 N/A 80 N/A 90 0.5 1 @ 3%

distortion N/A N/A 0.15 external freq. std. 1.0 N/A 80 N/A N/A 90 0.5 N/A

* Audio Response (de- emphasis): Within +2/-8 dB of 6 dB/octave (@ Local Speaker), 300 to 3000 Hz per EIA Within +1/-3 dB of 6 dB/octave (@ Line Output), 300 to 3000 Hz per EIA. 17 MM102558V1 R1A 3.7 INDIVIDUAL EQUIPMENT WEIGHTS UNIT OR ASSEMBLY WEIGHT 69-inch cabinet w/ doors and fan assembly Power Supply 19A149978 Switching Power Supply PS103010 T/R Shelf (without plug-in modules) T/R Shelf (with plug-in modules) System Module Power Module TX Synthesizer RX Synthesizer RX Front End Module RX IF Module Blank module panel Power Amplifier, 19D902797 Power Amplifier, EA101292 SureCall Test Unit (with radio) Lbs 176 38 8.91 9.6 22.25 1.5 1.8 1.9 2.15 2.35 1.75 0.4 20.8 9.8 20 kg 80 17 4.04 4.35 10.21 0.68 0.82 0.86 0.93 1.07 0.79 0.18 9.43 44.45 9.07 18 MM102558V1 R1A 4 GENERAL INFORMATION 4.1 REFERENCE MANUALS It may be necessary to consult one or more of the following manuals. The manuals listed in Table 4-1 may provide additional guidance if you encounter technical difficulties during the installation or testing process. Table 4-1: Reference Manuals DESCRIPTION Transmit Synthesizer Module (EA101685V1, V2) Receive Synthesizer Module (EA101684V1, V2) Receiver Front End Module (19D902782G1, G2) Receiver IF Module (EA101401V1) Power Amplifier (EA101292V10, V11, & V12) MASTR III Base Station MASTR III ADC Base Station Installation Manual MASTR III ADC Application and Assembly Diagrams MASTR III ADC T/R SHELF System Module (19D902590G6) Power Module (19D902589G2) MASTR III RF PACKAGE: VHF (136 - 174 MHZ) MASTR III RF PACKAGE: UHF (380 - 512 MHZ) Transmit Synthesizer Module (EA101685V11, V12, V13) Receive Synthesizer Module (EA101684V11, V12, V13) Receiver Front End Module (19D902782G6, G8, G9, G10, G11, & G12) Receiver IF Module (EA101401V1) Power Amplifier (EA101292V21, V22) MASTR III RF PACKAGE: 800 MHz Transmit Synthesizer Module (EA101685V5) Receive Synthesizer Module (EA101684V5) Receiver Front End Module (19D902782G5) Receiver IF Module (EA101794V1) Power Amplifier, 100 Watt (EA101292V1) MANUAL NUMBER MM102554V1 MM102555V1 MM102244V1 LBI-39176 LBI-38752 MM102557V1 MM102174V1 MM102819V1 LBI-38642 MM101886V1 MM101383V2 MM102557V2 MM102174V2 MM102819V2 LBI-39129 MM101886V1 MM101292V3 MM102557V3 MM102147V3 MM102819V3 LBI-39028 MM102407V1 MM101383V1 19 MM102558V1 R1A Installation Manual:

Maintenance Manual:

19D904558G1 Rev. 1 and earlier:

19D904558G1 Rev. A and later:

OPTIONS AND ACCESSORIES MASTR III Adaptive Multi-path POP Filter (AMPF), Option SXDE9C:

MASTR III Data Module, Option SXDE5B:

Site Grounding and Protection Guidelines Tower Requirements and General Specifications Base Station Switching Power Supply Maintenance Manual (PS103010V120) AC Outlet Strip Maintenance Manual Blower Kit Maintenance Manual MASTR III Fuse Panel (12/24 Volt) Maintenance Manual TEST AND PROGRAMMING RF Module Test Fixture (TQ0650) MASTR III Programming Guide (TQS3353)

- Model TS101285V11

- Model 344A4153P1 AE/LZT 123 3244/1 AE/LZB 119 3149/1 LBI-38918 MM-008429-001 AE/LZT 123 4618/1 LBI-39185 MM22315 LBI-4841 LBI-4842 LBI-30246 MM101885V1 LBI 38805 MM102518V1 4.2 MASTR III ADC STATION OPTIONS The MASTR III ADC Conventional base station is available in the following configurations and may be combined with the options listed. A brief description of individual modules, hardware and features listed below can be found in later sections of this manual. Table 4-2: MASTR III ADC Pre-Configured Conventional Station Packages PRE-CONFIGURED STATION PACKAGES OPTION DESCRIPTION UNENCRYPTED MASTR III STATIONS, PRE-CONFIGURED MODELS IN 37 CABINET SXHMC1 STATION, CONVENTIONAL MASTR III PACKAGE, 150.8-174 MHZ, 110W Includes power supply, 37-inch cabinet, antenna switch and mounting hardware. SXUMC1 STATION, CONVENTIONAL MASTR III PACKAGE, 450-470 MHZ, 100W Includes power supply, 37-inch cabinet, antenna switch and mounting hardware. UNENCRYPTED MASTR III STATIONS (CONFIGURED WITH T/R SHELF AND RF PA ONLY)

(Cabinet, Power Supply, Antenna Switch, Mounting Hardware and other options must be ordered separately) SXGMCX STATION, CONVENTIONAL MASTR III, 136-150.8 MHZ, 110W SXHMCX STATION, CONVENTIONAL MASTR III, 150.8-174 MHZ, 110W SX8MCX STATION, CONVENTIONAL MASTR III, 806-870 MHZ, 100W 20 MM102558V1 R1A SXUMCX STATION, CONVENTIONAL MASTR III, 450-470 MHZ, 100W SXWMCX STATION, CONVENTIONAL MASTR III, 492-512 MHZ, 90W SXVMCX STATION, CONVENTIONAL MASTR III, 470-494 MHZ, 90W SXTMCX STATION, CONVENTIONAL MASTR III, 425-450 MHZ, 90W SXPMCX STATION, CONVENTIONAL MASTR III, 410-430 MHZ, 90W SXRMCX STATION, CONVENTIONAL MASTR III, 403-425 MHZ, 90W AEGIS/VOICE GUARD OPTIONS (FOR UNENCRYPTED MASTR III STATIONS ONLY) END-TO-

END ENCRYPTION SXVG3F KIT, GETC, AEGIS/VOICE GUARD, END-TO-END REMOTE/REPEATER With modem (for tone remote or tone remote/repeater stations with end-to end encryption). NOTE: No encryption or decryption occurs in the Aegis Station shelf. SXVG3E KIT, GETC, AEGIS/VOICE GUARD, END-TO-END (For standalone repeaters.) NOTE: No encryption or decryption occurs in the Aegis Station shelf. ENCRYPTED MASTR III STATIONS, (INCLUDES CONFIGURED T/R SHELF AND RF PA ONLY)

(Cabinet, Power Supply, Antenna Switch, Mounting Hardware and other options must be ordered separately) SXGMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 136-150.8 MHZ, 110W SXHMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 150.8-174 MHZ, 110W SXGMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 136-150.8 MHZ, 110W SX8MCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 806-870 MHZ, 100W SXUMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 450-470 MHZ, 100W SXWMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 492-512 MHZ, 90W SXVMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 470-494 MHZ, 90W SXTMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 425-450 MHZ, 90W SXPMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 410-430 MHZ, 90W SXRMCXE STATION, 64-BIT ENCRYPTION, CONVENTIONAL MASTR III, 403-425 MHZ, 90W MASTR III PAGING STATIIONS (FOR TRANSMIT ONLY APPLICATIONS)

(Cabinet, Power Supply, Mounting Hardware and other options must be ordered separately) SXUMDX TRANSMITTER, CONVENTIONAL MASTR III, 450-470 MHZ, 100W SXHMDX TRANSMITTER, CONVENTIONAL MASTR III, 150.8-174 MHZ, 110W SXGMDX TRANSMITTER, CONVENTIONAL MASTR III, 136-150.8 MHZ, 110W 21 MM102558V1 R1A Table 4-3: MASTR III ADC Conventional Station Options and Accessories OPTIONS AND ACCESSORIES OPTION DESCRIPTION ENCRYPTION/DECRYPTION MODE FOR REMOTE OR REMOTE/REPEATER

(ENCRYPTED MASTR III STATIONS ONLY) SXVG3D KIT, DES 1027 ENCRYPTION SHELF (INCLUDES GETC). Same as Option SXVV1N except uses DES algorithm. SXVW1J KIT, DES ENCRYPTION SHELF (INCLUDES GETC). Same as Option SXVV1N except uses DES algorithm. SXVV1N KIT, VGE ENCRYPTION SHELF (INCLUDES GETC). Provides encryption/decryption in a tone remote/repeat station. Module is remotely controlled using function tones. VGE algorithm version. REMOTE OR REMOTE/REPEATER (FOR UNENCRYPTED MASTR III STATIONS ONLY) SXVV1S KIT, AEGIS UNENCRYPTED SHELF (INCLUDES GETC). Provides non-encrypted Aegis digital communications in a tone remote/repeat station. Module is remotely controlled using function tones. HARDWARE, OPTIONS AND ACCESSORIES SXCA1U CABINET, 83 IN. SXCA1D CABINET, 69 IN. SXCA1S CABINET, 37 IN. SXMR1D OPEN RACK, 86 IN. SXCA1X CABINET, 45 IN., OUTDOOR SXMN2B OPTION, NO CABINET SXFN1A FAN, 120 VAC, Must be included when installing more than 1 repeater in a 69- or 83-inch cabinet. SXFA1L FAN, 230 VAC, Must be included when installing more than 1 repeater in a 69- or 83-inch cabinet. SXFA1N FAN, 12 VDC, Must be included when installing more than 1 repeater in a 69- or 83-inch cabinet. SXCN1Z OUTLET STRIP, 120 VAC SXMN9H COVER, CABINET TOP, 69/83 IN. CABINET (CONVENTIONAL) SXMN7F KIT, MOUNTING HARDWARE, 37 IN. CABINET SXMN3Y KIT, MOUNTING HARDWARE, 69/83/86 IN. CABINET/RACK SXMN9C COVER, SCREEN, T/R SHELF 22 MM102558V1 R1A OPTIONS AND ACCESSORIES OPTION DESCRIPTION SXCH1M CHARGER, UHF ONLY, BATTERY STANDBY, 230 VAC, 50 HZ, Same as SXCH1L except 230 VAC/50 Hz. SXPS5Y POWER SUPPLY, 230 VAC, 50 HZ, 12/24 VDC, 3/15A For 800 MHZ and VHF applications SXPS9R POWER SUPPLY, 120 VAC, 60 HZ, 12/24 VDC, 6/15A Output SXCL5Z CABLE, CHARGER TO BATTERY, For use with SXPS9R SXCL6A KIT, GEL CELL SHELF WITH COVER AND CABLE, For use with SXPS9R SPK0501 KIT, GEL CELL SHELF CABLES, Kit, contains cables only SXPD1M PANEL, FUSE, 12/24 VDC 2401 BATTERY, UHF ONLY, GEL CELL, 12 VDC, 26 AH, For use in battery shelf option. Order 4 units per base station. SXSU3A KIT, ANTENNA SWITCH SXSU3J KIT, ANTENNA SWITCH, RAIL MOUNTED SXDU1K DUPLEXER, Factory Installed, 162-174; 2-12 MHZ MAXIMUM SEPARATION Band pass/Band reject, 162-174 MHz 2-12 MHz Rx/Tx separation, maximum insertion loss 1.5 dB. SXDU1J DUPLEXER, Factory Installed, 150-162; 2-12 MHZ MAXIMUM SEPARATION Band pass/Band reject, 150-162 MHz 2-12 MHz Rx/Tx separation, maximum insertion loss 1.5 dB. SXDU1M DUPLEXER, Factory Installed, 450-470 MHZ, 5-30 MHz Rx-Tx sep. SXDE5B SXMK3J KIT, TX DATA, Provides Voice/Data mode selection. In the data mode, the module will accept NRZ (non-

return to zero) digital input (single polarity or dual polarity in the range of -25 to +25 volts) at speeds up to 9600 bits/sec. (VHF/UHF only, 25 kHz channel only) KIT, RADIO LINK APPLICATION, Modifies a standard base station into a radio link repeater. Provides harness and programming to change a simplex tone remote station into a radio link repeater. Used in conjunction with option applied to another standard base station to complete the Radio Link application. SXSU3D KIT, SOR RELAY, Provides relays and hardware for SOR and Auxiliary Control. SXMC3B MICROPHONE, MOBILE (SERVICE) SXMK3S KIT, SETUP, MASTR III STATION WITH MIII AUXILIARY RX, Provides cabling and hardware for MASTR III Auxiliary Receiver. Limited to one RX frequency on base stations. SXSF1W FEATURE, VOTING TONE (1950 HZ), Includes 4-wire audio. SXSF3J FEATURE, 4 WIRE AUDIO Enable remote station to operate with 4-wire control. 23 MM102558V1 R1A OPTIONS AND ACCESSORIES DESCRIPTION INSTRUCTION, BACK-TO-BACK REPEATER/STATION #2, This option is applied to a 2nd standard base station and is used in conjunction with SXMK3J which is applied to the 1st station. OPTION SXMK3K SXMF5H PROGRAMMING, 12.5 KHZ CHANNEL, Factory configured station for narrowband operation (UHF/VHF Conventional FM Voice Only). Table 4-4: MASTR III ADC Programming, Test and Alignment Tools PROGRAMMING, TEST AND ALIGNMENT OPTION TQS3353 TQS0653 SPK9024 TQ3356 TQ0650 DESCRIPTION MASTR IIE/MIII PROGRAMMING SOFTWARE, Provides capability of changing radio's functions and features. Includes TQ0619 Utility Programming Software. MASTR IIE/MASTER III MSEDIT SOFTWARE, Provides access to special programming features. UTILITY HANDSET MASTR IIE/MIII PROGRAMMING CABLE MODULE ALIGNMENT AND TEST KIT EA24877-0001 EXTENDER BOARD, For EA Series RF Modules 188D5338G1 EXTENDER BOARD, System, Control and Power Modules 193D1094G1 Multi-Purpose Module 24 MM102558V1 R1A 5 OPERATION The MASTR III ADC station is a RF synthesized computer programmable, Frequency Modulated (FM) transceiver capable of wideband (25 kHz) or narrowband (12.5 kHz) operation. The MASTR III ADC station combines modular design and state-of-the-art technology to deliver superior performance and reliability. MASTR III ADC station incorporates fully shielded and removable modules, front-mount controls, and remote diagnostics. The station is capable of 100% transmitter duty cycle with simultaneous receive capability allowing repeater operation. The MASTR III ADC station hardware may be installed in 19 rack mount cabinets or 19 open racks. Equipment cabinets are equipped with front and rear doors for full equipment access, key lock security and available in 37, 69 and 83 heights. The 86open-rack is designed to be floor mounted and allows full accessibility to all sides of the equipment. Power Supply options for the MASTR III ADC station include 120 VAC or 240 VAC input at 47 Hz to 63 Hz, battery backup options and DC Power Distribution equipment. The MASTR III ADC station may be equipped with an antenna switch relay for stand-alone base station configurations, antenna duplexers for stand-alone repeater configurations, or transmitter combiners and receiver multi-couplers for multi-station installations. The MASTR III ADC station may be configured as a Conventional Analog or P25 Conventional station. 5.1 CONVENTIONAL STATION CONFIGURATIONS The MASTR III ADC station is available in Conventional VHF, UHF, and 800 MHz versions and can be configured to operate as any of the following:

Conventional Base Station (2-wire or 4-wire audio1) Conventional Repeater (Stand-alone, no wire line) Conventional Repeater (with wire line control) Remote-to-Repeater Transmit Only (Paging or other Data Applications) 5.1.1 Conventional Base Station When configured as a Conventional Base Station, the MASTR III ADC station may be further configured to operate with 2-wire or 4-wire controllers, providing access to many remote control features including up to twelve (12) selectable RF channels. Each channel can be individually programmed for either simplex operation (common TX and RX frequency) or half-duplex operation (different TX and RX frequency). Each channel may be programmed for any combination of standard sub-audible tone Channel Guard or Digital Channel Guard. In standard DC control applications, up to 2 RF channels, RX Channel Guard Disable (monitor) and scan features may be controlled using loop currents of +6 mA, +11 mA, -6 mA, -11 mA and -2.5 mA. E&M control is a feature of DC control. In standard Tone Remote control applications, up to four (4) channels may be accessed via Tone Remote Control. Other features such as RX Channel Guard Disable (monitor), Scan and Repeater Enable may also be tone controlled. Additionally, Dual Tone Multi Frequency (DTMF) signaling sent via the wire line connection can be used in conjunction with DC or Tone Remote control to allow control of up to twelve (12) selectable channels. 25 MM102558V1 R1A DTMF tones are sent to the station via the wire line interface where the System Module decodes the tones as channel assignment information. The DC or Tone Remote signaling then controls the TX/RX operations of the station on the channel selected by the DTMF signaling. 5.1.2 Conventional Repeater When configured as a Conventional Repeater, the MASTR III ADC station provides full duplex (different TX and RX frequencies operating simultaneously) operation as a single channel repeater station. The repeater may be programmed for any standard Channel Guard, Digital Channel Guard or Type-90 tone. MASTR III ADC stations configured for repeater operation may also be configured for DC or Tone Remote control. Console TX and RX, Channel Guard disable and repeater enable are common features available using 2-wire or 4-wire remote control. 5.1.3 Remote-to-Repeater When configured as a Remote-to-Repeater station, the MASTR III ADC station provides full duplex repeater operation just like Conventional Repeaters, with extended capability to share TX, RX and control operations via 4-wire interfacing with another MASTR III ADC station operating as a Remote Base. The Remote Base station can be co-located or remotely located at another site. 5.1.4 Transmit Only MASTR III ADC stations operating as Transmit Only stations provide the necessary equipment to operate as a One-Way Paging Station or other similar Data transmitters. Only transmitter related modules and components are provided with the station T/R shelf. A Data Module is provided for 9600 bps NRZ TX data capability. The Data Module provides the required 12.8 MHz reference oscillator signal to the TX Synthesizer, thus meaning no RX Synthesizer is required (the usual source for the 12.8 MHz reference oscillator signal). 5.2 ENCRYPTED STATION CONFIGURATIONS MASTR III ADC stations equipped with external encryption equipment may be configured one of two ways:

End-to-End Encryption RF Only Encryption/Decryption 5.2.1 End-to-End Encryption With end-to-end encryption, the voice encryption occurs at the dispatch center or originating radio and remains encrypted all the way to the properly equipped mobile or portable radio. External encryption equipment is located at or nearby the dispatch center and connected to the MASTR III ADC station via four-wire interconnection. This method of operation provides the highest level of system security. However, four-wire interconnection with one or more consoles is always in the clear mode. This assumes that the dispatch center is secure and that the console interconnection will be by short, local cable runs that are adequately secure. With end-to-end encryption, Cryptographic key information is not required at the MASTR III ADC station is located. All key loading occurs at the dispatch center or originating radio where the external encryption equipment is located. 26 MM102558V1 R1A 5.2.2 RF-Only Encryption/Decryption In RF-Only Encryption/Decryption (E/D) stations, external encryption equipment is connected directly to the MASTR III ADC station. The voice signal is always delivered clear (unencrypted) from the dispatch center to the base station where it can then be encrypted and sent over the radio path to properly equipped mobiles and portables. One or more station consoles operate in a standard clear mode, tone control configuration. In an RF only E/D station, the working cryptographic key must reside in the external encryption equipment co-located at the MASTR III ADC station site. The external encryption equipment is remotely controlled to select for CLEAR or GUARDED modes of operation at the start of each transmit PTT, receive mode selection is automatic. Four-wire control is still a requirement but only a voice grade (not data grade) circuit is required. 5.3 MODES OF OPERATION Options are available for conventional MASTR III ADC stations to provide the following modes of communication:

Analog FM (Clear Voice) Data (Paging and other externally generated NRZ Data formats) Digital Voice (unencrypted AEGIS) Digital Voice Encryption (Encrypted Voice Guard or encrypted AEGIS) 5.3.1 Analog FM When operating in conventional analog mode, the MASTR III ADC station communicates via traditional FM modulation schemes. Narrowband (12.5 kHz) bandwidth is available on the VHF and UHF stations while Wideband (25 kHz) bandwidth is available on the VHF, UHF and 800 MHz bands. Both the TX and RX audio circuitry is designed to provide extremely clear audible speech characteristics from 300 Hz to 3000 Hz, with sub-audible tone capability for Channel Guard requirements. 5.3.2 Data The MASTR III ADC station may be equipped with a Data Module capable of delivering up to 9600 bps Non-Return-to-Zero (NRZ) serial data transmissions. This mode of operation provides the necessary digital interfacing required for paging and other externally generated data formats. 5.3.3 Digital Voice The MASTR III ADC station may be equipped with an external Digital Voice Interface Unit (DVIU) capable of encoding and decoding digital signaling. Stations equipped with the external DVIU can provide one of several digital voice formats, each having certain types of encrypted or unencrypted services available. The formats and types are as follows:

Voice Guard (DES and VGE) AEGIS (Unencrypted AEGIS, Encrypted with DES, VGE or VGS) P25 Conventional (Unencrypted P25, Encrypted with DES and AES) 27 MM102558V1 R1A 5.3.3.1 Voice Guard Voice Guard is the first generation digital voice format available only as an encrypted signal. Voice Guard signals use Gaussian Minimum Shift Keying (GMSK), running at 9600 bps, two level FM modulation, Non-Return-to-Zero (NRZ), serial data. This means that the data is a serial train of two-state data bits (i.e., ones and zeros) occurring at the rate of 9600 bits per second. The NRZ characteristic means that the duration of each data bit is a full clock period (approximately 104 microseconds) instead of returning to zero before the next bit time starts. Voice Guard is available in two types of encryption provided by either of two different algorithms. These algorithms are:

Data Encryption Standard (DES) Voice Guard Encryption (VGE) These algorithms are the mathematical manipulations used to scramble the digitized voice bit pattern. Both algorithms offer the user a higher level of voice security by virtue of the extremely large number of available cryptographic keys. The availability of encryption devices are subject to national and international export laws. 5.3.3.2 AEGIS AEGIS is a second generation digital voice format, available in both encrypted and unencrypted formats. AEGIS uses Adaptive Multi-band Encoding (AME). AME offers enhanced voice quality characteristics over Voice Guard technology. AEGIS operates at 9600 bps, two level FM, with encryption provided by DES or VGE algorithms. 5.4 ENCRYPTION FORMATS 5.4.1 Data Encryption Standard (DES) DES is a public domain encryption system. DES employs a 64 bit cryptographic key, 56 bits of which are used for encryption and the remaining eight bits are parity bits. This results in 7.2 times 10 to the 16th power unique cryptographic keys being available. The security of a DES equipped system is a result of the extremely large number of available keys. 5.4.2 Voice Guard Encryption (VGE) The VGE algorithm is a very secure, proprietary, encryption algorithm which was developed to meet the security needs of international and domestic customers. The encryption algorithm utilizes highly complex non-linear data spreading and iterative key scheduling to insure the security of encrypted voice data. The VGE algorithm utilizes a 64-bit cryptographic key, and thus offers the security of 1.8 times 10 to the 19th power permutations of keys. It also utilizes a key scheduling algorithm, bit permutations, and non-

linear product transformations to provide a very high level of bit spreading. Unlike DES, the VGE algorithm offers an additional level of security, in the form of Customer Unique Encryption (CUE). The programming of a second 64-bit CUE code (16hex characters) allows a user increased security. Even if two parties use the same cryptographic key, their equipment will not communicate unless they use the same CUE. This, effectively, increases the number of key and CUE permutations to 3.4 times 10 to the 38th power, equivalent to 128-bit encryption. VGS is a customer unique, customer specific encryption algorithm that works very similar to VGE. 28 MM102558V1 R1A 5.4.3 Advanced Encryption Standard Advanced Encryption Standard (AES) is a block cipher format approved for use as an encryption standard by the U.S. government. AES is fast in both software and hardware, is relatively easy to implement, and requires little memory. AES is currently used in conjunction with the P25 technology. Unlike DES, AES operates as a substitution-permutation network. AES utilizes fixed blocks of data formed into tables. AES has a fixed block size of 128 bits and a key size of 128, 192 or 256 bits. AES uses a process of shifting data in a table. The bit shifting techniques are known as AddRoundKey, SubBytes, ShiftRows and MixColumns. This combination of block data, bit shifting and unique key driven encryption methodologies provide much further advanced encryption capabilities than DES or VGE. 5.5 P25 CONVENTIONAL CONFIGURATIONS VHF and UHF MASTR III ADC stations may be equipped with a DSP Module to allow operation as a Project 25 (P25) Conventional station. P25 compliant stations use four-level FM modulation (C4FM), and are backward compatible with traditional analog FM radios. P25 Conventional technology supports the following modes of communication:

P25 Conventional Base Station (4-Level FM) P25 Conventional Repeater P25 Conventional Repeater with Console Control P25 is an Industry Standard developed to bring Interoperability between different manufacturers, and users of their respective digital communications equipment. P25 technology uses a standardized digital format known as Common Air Interface (CAI). CAI incorporates various system information and a digital voice format into one digital transmission. While the DSP card located in the MASTR III ADC station provides the P25 formatting, external equipment is required to encrypt the voice product delivered to the station. External encryption equipment for P25 Conventional systems is available for three types of encryption:

DES VGE AES The encryption formats are discussed in Section 5.4. 5.5.1 P25 Conventional Station Operation MASTR III ADC stations operating in P25 Conventional mode utilize additional circuitry in the RX IF Module to provide the properly filtered and amplified signal required by the DSP Module to decode the signal. The DSP Module also provides the encoded C4FM signaling for the transmitter. In the 21.4 MHz RX IF module (VHF and UHF stations), the 455 kHz four-level FM signal passes through additional IF filtering, a differential amplifier, and a buffer to the 455kHzIF lines on the backplane. Unlike 2-level signals, the signals present on the 455kHzIF lines are not demodulated. These lines connect to the DSP Module input where the DSP captures the data signal and processes it as necessary. During TX operations, the DSP Module encodes the inbound audio or digital signal into the P25 compliant C4FM modulation scheme and routed via the backplane to the TX Synthesizer Module. 29 MM102558V1 R1A 5.5.2 P25 Conventional Repeater Station Operation In the P25 Repeater mode, the DSP Module uses the Delay PTT In line and the Remote PTT to communicate with the System Module. After the DSP Module demodulates a four-level FM signal, it asserts a Delay PTT In signal to the System Module, indicating a P25 call is being received. While the Delay PTT In line is applied, the System Module keys the External PTT and disables the Channel Guard circuitry, preventing further processing of the 455 kHz signal on the VOL-SQ HI line. The four-level FM signal is passed onto the System Module on the EXT HSD line. The System Module processes the signal and sends it to the TX Synthesizer Module on the TX Audio Hi line. The External PTT also keys the transmitter and the signal is re-transmitted. The DSP module continues to assert the Delay PTT In line until the P25 Terminating Data unit is transmitted. While the External PTT is keyed, the DSP passes the demodulated analog audio to the System Module on the MDM Line TXD. The System Module routes the audio to the landline interface for monitoring by the Console. 5.5.3 P25 Conventional Station with Console 5.5.3.1 Console Transmit The MASTR III P25 Conventional Base Station also supports analog remote control through the base stations 2- or 4- wire landline interface. When communication is initiated by a remote console, the analog audio is routed through the Interface Card to the System Module. The System Module routes the audio on MDM Line RXD to the DSP Module. The System Module also sends a Remote PTT signal to the DSP Module, initiating the four-level FM modulation process. The DSP Module asserts a Delay PTT In signal to the System Module, indicating a P25 is being sent. The System Module executes an External PTT, this keys the transmitter and the signal is transmitted. The modulated four-level FM signal is passed on to the System Module on the EXT HSD line. The System Module processes the signal and sends it to the TX Synthesizer Module on the TX Audio Hi line. The DSP module continues to assert the Delay PTT In line until the call is complete and the P25 Terminating Data unit is transmitted. 5.5.3.2 Console Preempt The Console Preempt feature allows a dispatchers call to preempt a radio call already in progress. This means the dispatchers call is heard by all radios and the transmitting radio is still heard by the dispatcher. The Console Preempt feature assumes a P25 call is in process (see section 4.2). When the console initiates a call, the analog audio is routed through the Interface Card to the System Module. The System Module routes the audio on MDM Line RXD to the DSP Module and sends a Remote PTT signal to the DSP Module. The DSP Module initiates the four-level FM modulation process of the console audio. It then switches from sending the P25 call to sending the four-level FM modulated console audio to the System Module on the EXT HSD line. The System Module processes the signal and sends it to the TX Synthesizer Module on the TX Audio Hi line. The System Module continues executing an External PTT, keying the transmitter and transmitting the console signal. At the end of the console call, the DSP Module sends the P25 Terminating Data unit. If the P25 Repeat call still exists, the DSP Module continues to assert the Delay PTT In line until the call is complete and the P25 Terminating Data message is transmitted. 30 MM102558V1 R1A Figure 5-1: MASTR III P25 Conventional Station Functional Diagram 31 MM102558V1 R1A Figure 5-2: MASTR III P25 Conventional Simplified Interconnect Diagram 32 MM102558V1 R1A 5.6 PROGRAMMABLE FEATURES FOR CONVENTIONAL STATIONS Most MASTR III ADC station features may be accessed using a PC compatible computer and the latest version TQS3353 Programming Software. Station configurations discussed in Section 5 require features to be properly set via programming software. Most MASTR III ADC feature programming is stored in the Stations System Module. This section of the manual is written to describe the programmable features of the MASTR III ADC station and how they apply to Conventional and P25 Conventional base and repeater station operation. When programming a MASTR III ADC station, it is advisable to read and save

(archive) the personality from the station before attempting to program features. Always save (archive) any programming changes to a different filename to preserve the original personality in case the changes you have made are unsuccessful. Programmable features discussed in this section include the following:

Conventional Stations (Setup) o No Remote o DC Remote o Tone Remote o Type 90 o DTMF Main Station Data (New) o Transmit and Receive Frequency o Channel Guard o TX Pot o CG Pot o RF Simplex and Rpt o PA Power Push-to-Talk Options (PTTs) o Repeat PTT o Remote PTT o Local PTT o External PTT o Morse Code ID PTT Potentiometer Settings (Pots) More Features (Additional) o Carrier Control Timer o Squelch Tail Elimination o Drop Out Delay Timer Control Shelf (Options) o Morse Code ID o Battery Alarm o Logic Standby o Intercom o Bandwidth o Receiver Channel Scan Station Remote Control o Two-Wire/Four Wire Operation o DC Remote Control o Tone Remote Control o Auxiliary Control Relays o Squelch Operated Relay o Channel Guard Monitor o System Module - DSP 33 MM102558V1 R1A 5.6.1 Conventional Stations (Setup) The initial Setup screen in the TQS3353 software allows the station to be defined as one of several Conventional station types include: No Remote, DC Remote, Tone Remote, Type 90 and DTMF. Other station types appear in the Setup screen however only the above are applicable to Conventional stations. The other station types are: Simulcast, Trunked and Multi-Receiver. 5.6.1.1 No Remote This type of station configuration is typically selected when the station will be operating as a stand-alone repeater. As the name implies, no remote control features will be activated during this mode. 5.6.1.2 DC Remote Base, Repeater, and Transmit-only stations may be controlled remotely via 2-wire or 4-wire telephone line connections using DC Remote control signaling. DC Remote control uses a DC loop current placed on the phone line to remotely control certain preprogrammed station features such as TX PTT, channel selection and CG Enable/Disable. Further information on 2-wire and 4-wire operation may be found in Section 5.6.9.1, and further information about DC Remote control may be found in Section 5.6.9.2 5.6.1.3 Tone Remote Similar to DC Remote control, Tone Remote control uses audible control tones sent via the phone line to remotely access certain preprogrammed station features such as TX PTT, channel selection and CG Enable/Disable. Further information may be found in Section 0. 5.6.1.4 Type 90 With Type 90 (T90) signaling, a station is setup to accept a burst of single-tone transmitted by a mobile or portable at the beginning of a transmission which activates certain base or repeater station functions such as CG Disable or Repeater Enable. For example: when T90 is used to control the Repeater Enable function and the System Module detects the proper T90 signal, the repeater is keyed and operates in carrier squelch, CG or DCG tone mode until one of three things occur: the repeaters receiver is squelched, the repeaters Drop Out Delay Timer is reset, or the repeater Time Out Timer un-keys the station and the repeater is disabled until the next valid T90 tone is received. There are ten (10) different T90 tones available: 1050 Hz, 1200 Hz, 1350 Hz, 1500 Hz, 1650 Hz, 1800 Hz, 1950 Hz, 2100 Hz, 2250 Hz, and 2400 Hz. 5.6.1.5 DTMF When DTMF is selected, the station is setup to function as a repeater and uses over-the-air DTMF signaling to enable or disable the repeater and to make channel selections when multiple receive or transmit frequencies are assigned during special applications. 5.6.2 Main Station Data Main station data may be programmed using the New, Change or Read tabs in the TQS3353 programming software. The New tab allows the programmer start with a clear database thereby requiring all parameters and features to be properly programmed from scratch. The Change tab allows the programmer to modify an existing data file previously stored to hard drive. The Read tab allows the programmer to read and save the station personality while directly connected to the stations Data port. 34 MM102558V1 R1A The main programmable station data parameters include Transmit and Receive frequency, Channel Guard, TX Pot settings, CG Pot settings, RF Simplex/Rpt and PA Power settings. The following sections include a brief description of each parameter. 5.6.2.1 Transmit and Receive Frequency The System Module is programmed with most of the stations features including transmit and receive frequency assignment. Once the correct control station type has been defined, up to twelve (12) channels may be programmed into one station (16 channels in models with previous vintage System Modules). 5.6.2.2 Channel Guard A Channel Guard (CG) is a sub-audible (below 300 Hz) tone, used to control one or more functions of a base or repeater station. CG tones may be used to open (or un-mute) the stations receiver audio circuit, provide PTT signaling to stations in repeater mode, or provide control of other station functions. There are two types of Channel Guard (CG) available:

Tone Channel Guard (CG) Digital Channel Guard (DCG) The System Module, located in the MASTR III ADC T/R Shelf, can encode CG or DCG tones (generate tones to be used by the transmitter) or decode received CG or DCG tones. The System Module may be programmed with different CG or DCG tones on each channel. Each individual channel may also have a different transmit and receive CG or DCG tone; including a mix, such as DCG for transmit and a CG for receive. For DC or Tone Remote controlled stations, the CG Disable (monitor) function, controlled by DC or Tone Remote control signaling, may override the receiver CG or DCG decoding by un-muting the receiver and allowing all on-frequency activity to be monitored. When CG or DCG tones are used to key repeater stations, the transmitter is activated only when the proper CG or DCG tone is decoded, regardless of the CG Disable condition. On the System Module, setting the CG MONITOR switch in the UP position (LED indicator lit), causes the receiver to un-mute and operate in the carrier squelch mode. This has no affect on repeater stations using DC or DCG tones to signal a PTT request to the transmitter. The transmitter is activated only if the proper CG or DCG tone is present on the received signal. Tone Channel Guard 5.6.2.2.1 The industry standard Continuous Tone Coded Squelch System (CTCSS) or CG tones range from 67 Hz to 210.7 Hz. Extended CG tones above 210.7 Hz are available, but can cause some degradation in specifications. The System Module monitors the stations receive demodulated audio output for a CG tone and signals the station when the proper CG tone is received. Once the proper receive CG tone has been detected, the System Module un-mutes the receive audio and causes other pre-programmed actions to occur. In addition, the System Module generates any TX CG tones programmed on a channel and routes the audio to the TX Synthesizer card to modulate the carrier. A 135-degree phase shift in the CG tone is also generated at the end of a transmission for 160 milliseconds after the transmitter is un-keyed (PTT button released) to initiate STE in the receiving station, if equipped with STE. 35 MM102558V1 R1A Digital Channel Guard 5.6.2.2.2 The System Module also encodes and decodes Digital Channel Guard (DCG) tones. There are 83 digital codes available. Any of the digital codes can be assigned to any transmit or receive channel. DCG functions much like CG however provides many more user codes. The encoding function provides continuous, repetitive digital word modulation to the transmitter. The decode function controls receiver muting to eliminate all calls that are not digitally coded with the assigned CG code. 5.6.2.3 TX Pot The TX Pot value is used to set the main transmitter deviation limit. There is a unique TX Pot setting for each channel. The value has a range of 0 (min) to 255 (max), with a software default of 71. 5.6.2.4 CG Pot The CG Pot value is used to set the main CG deviation level. There is a unique CG Pot setting for each channel. This value has a range of 0 (min) to 255 (max), with a software default of 69. 5.6.2.5 RF Simplex and Rpt The RF Simplex and Rpt features on the Channel Data screen allow the programmer to define whether the associated channel operates in full-duplex or Simplex. Setting RF Simplex to Yes will automatically cause the Rpt to be set to No and the channel operates in simplex mode. Setting RF Simplex to No and Rpt status to Yes defines the channel as full-duplex repeater operation. Setting both RF Simplex and Rpt status to No defines the station as full-duplex capable, 4-wire, non-

repeater channel. 5.6.2.6 PA Power Pot The RF Power Amplifier (PA) output power level may be set using the TQS3353 software programming tool. Control signaling occurs between the RF Power Amplifier and the T/R Shelf. Pre-programmed PA Power settings use this signaling to control the level of RF output power and manage PA alarm conditions. There is a unique PA Power Pot setting for each channel. Settings range from 0 to 99, with 99 corresponding to full power output. 5.6.3 Push-to-Talk Options The System Module allows individual programming of Repeater PTT, Remote PTT, Local PTT, External PTT and Morse Code ID PTT functions with regard to CCT and DODT signaling as well as CG Encode options. Each type PTT signal may be defined to allow or exclude CCT, DODT or CG Encode functions. 5.6.4 Other Potentiometer Settings Most of the MASTR III ADC station audio level settings are software programmable. Software programmable Pots are used for Line Out, Repeater Gain, Line In, DSP Cancel, DSP In, DSP Compressor, DSP Compressor Threshold and Squelch Pot. These settings are global (not assigned to any specific channel) and therefore apply to the overall station operation 5.6.5 Carrier Control Timer The MASTR III ADC station may be pre-programmed for a Carrier Control Timer (CCT). Programming of the CCT will prevent the station for transmitting long durations. Use of a CCT may be a regulatory requirement by some agencies, and a means to prevent unwanted transmissions in the event of system failures or accidental keying of remote controllers or terminal devices in repeater applications. 36 MM102558V1 R1A 5.6.6 Squelch Tail Elimination Squelch Tail Elimination (STE) eliminates the burst of squelch noise heard when the received carrier drops immediately and the CG circuit is still un-muted. When using STE, the transmitter remains keyed for a short duration when the PTT is released. When STE is enabled during CG tone signaling, STE directs the CG tone to be phase shifted by 135-

degrees. If the CG detector in the receiving station is equipped with STE, the detected phase shifted CG signal will cause the receiver to mute the audio path before the carrier ends. When STE is enabled during DCG signaling, STE directs the DCG tone circuit to encode a square wave when the PTT is un-keyed, which continues until the end of the carrier transmission. When detected by the receiving station, the square wave interrupts the DCG signal pattern and mutes the receive audio before the received carrier ends thus eliminating any burst of squelch noise. 5.6.7 Drop Out Delay Timer The Drop Out Delay Timer (DODT) clocks the time after a PTT un-keys till the carrier ends. When set, the transmitter remains keyed after all PTT signals are finished for the specified time duration. This timer may be set from 0 to 10 seconds, in 10 millisecond increments. 5.6.8 Control Shelf Options The System Module also provides programming for certain Control Shelf options. These options include Morse Code ID, Voting, Battery Alarm, Aux RX, Logic Standby, Intercom, RX IF Bandwidth and receiver channel scan. 5.6.8.1 Morse Code ID A Morse Code ID may be programmed into each channel defined in the personality. This feature may also be enabled or disabled on a per-channel basis. Up to twelve (12) consecutive characters from any of the standard 26 letters of the English alphabet, numbers 0 through 9 and the / forward slash bar may be entered as a part of a CW ID. No spaces may be programmed within the twelve consecutive characters. The Morse Code ID is sent at a rate of 20 words-per-minute and may be programmed for intervals of 5 to 30 minutes, defaulted to thirty minutes, with a wait time interval (pause time after CAS or line signal ends) of 0 to 10 seconds in 100 millisecond steps. The ID may be programmed to send either with or without Channel Guard encoding. 5.6.8.2 Battery Alarm During battery stand-by power conditions, the station power supply applies a battery standby signal to the T/R shelf backplane. The signal is passed to the System Module which generates a default 1200 Hz alert tone and adds it to the transmit audio. The 1200 Hz tone may also be sent down the wire line to any remote control unit in the system (see note). A battery stand-by condition will not force the station to key or send a PTT. Rather, over-the-air transmission of the alert tone occurs only when the station is keyed by normal operations. This prevents unnecessary battery drain caused by the high current requirement of the station during transmit. The repetition rate and on-time rate are programmable. The repetition rate sets the time from the beginning of a tone to the beginning of the next tone, and is programmable from 0 to 25 seconds in increments of 1 second. The on-time rate sets the duration of the tone burst, and is programmable from zero 0 to 1 second, in increments of 100 milliseconds. 37 MM102558V1 R1A For Battery Alarm tones to be passed down the wire line, it may be necessary to install R112 on the System Module. Refer to the System Module schematic for installation instructions. 5.6.8.3 Logic Standby When enabled, Logic Standby will restore certain station features in the event of a power failure or station reset. The features that will be restored are: CG Monitor, Remote PTT, Scan, Priority Scan, Aux Relay Settings, Morse Code ID, Main Receiver, 2nd Receiver, External PTT and Voice Guard. 5.6.8.4 Intercom When enabled, the intercom feature built into the T/R shelf programming may be set to define the specific combination of line audio, receiver audio and handset audio that is routed to the station speaker. This is a useful tool for the service technician and other on-site operations. After enabling the feature in software by selecting Yes, refer to the software Help screens for detailed programming configuration information. 5.6.8.5 Bandwidth The MASTR III ADC shelf is capable of transmitting and receiving signals modulated by two different bandwidths: 12.5 kHz and 25 kHz. This allows the station to meet regulatory and technical requirements of the many different digital and analog and channel spacing/frequency allocation schemes. 5.6.8.6 Receiver Channel Scan The station may be enabled to scan selected receiver frequencies. Once enabled, each channel programmed in the main programming screen may be added to a scan list by selecting Yes or No. The scan option may be configured for certain features using MASTR Station Editor (MSEDIT) programming software. Features such as Scan Enabled on Power-up, Priority Scan, Revert Scan, Search Rate and Hang Time are just a few configuration features available through MSEDIT. 5.6.8.7 Voting The MASTR III ADC station may be configured for voting operation. Voting is the practice of using a Voting Selector with satellite receivers to form a receiver voting system. The satellite receivers are located so that one or more of the receivers will receive a good quality signal from a Personal or Mobile two-way radio transmitting from anywhere in a specified operating area. Each receiver output is connected to a centrally located Voting Selector by an RF link, a Tone or a DC control line, or an E&M pair. The Voting Selector provides continuous voting for the satellite receivers and selects the receiver with the best audio quality. 5.6.9 Station Remote Control The System Module in the T/R Shelf can be remotely controlled by DC Remote control or Tone Remote control. DC Remote and Tone Remote control signals may allow a user to initiate a transmission, disable RX Channel Guard, listen to received audio, select between two operating channels, and select or deselect certain T/R Shelf functions. Configuration and operational features for Two-wire, Four-wire, DC Remote control and Tone Remote control signaling are described in the following sections. 38 MM102558V1 R1A 5.6.9.1 Two-Wire/Four-Wire Operation Two-wire describes a single pair of dedicated metallic wires in the form of discrete 600 ohm telephone wire provided by a customer, 600 ohm dry (quiet line only) telephone line provided by a telephone company, or the multiplexed equivalent provided by customer or telephone company owned equipment. This type of circuit will support the bi-directional transmission of audio signals in the nominal 300 to 3000 Hz frequency range. Switched or multiplexed circuits generally will not pass DC Remote control signaling. Support of DC control signals is available only with physical or metallic equivalent circuits and may not be available in some areas. Four-wire describes two pair of (usually) multiplexed dedicated telephone circuits with one pair going each way. Each pair will support uni-directional transmission of audio signals in the nominal 300 to 3000 Hz frequency range. One pair is usually designated as the SEND pair while the other is designated as the RECEIVE pair. DC signaling and control is usually not available. These circuits may be obtained for voice only or for voice and/or data applications. 0 milliamperes

+6 milliamperes

+11 milliamperes 5.6.9.2 DC Remote Control current signaling in a DC Remote Control system is achieved when a DC Remote Controller applies current levels on a wire pair having end-to-end DC continuity. The wire pair may be provided by the customer or a commercial wire line carrier, such as a telephone company. The overall circuit resistance of the wire line between the console controller and the station must not exceed the maximum loop resistance that the controller can support. The six control current levels recognized by the remote T/R Shelf are:

-11 milliamperes

-6 milliamperes

-2.5 milliamperes Station functions which can be controlled by these control currents are:

Repeater Disable Channel Guard Monitor Transmit Frequency Selection Receive Frequency Selection Scan Receiver Selection (Auxiliary Receiver stations) Please note that when leasing a wire line from a local wire line carrier, not all leased line services support DC control applications. Not all leased line services support DC control applications. Please check with your wire line carrier before attempting DC control on a leased line. 39 MM102558V1 R1A 5.6.9.3 Tone Remote In tone remote applications, the T/R Shelf uses the System Module and its onboard Digital Signal Processor (DSP) to interface with a Tone Remote control unit through a two-wire or four-wire phone line. A MASTR III ADC station may be programmed to allow Tone Remote control of the following functions:

Repeater Enable (disable) Channel Guard Decode Enable (disable) Channel Guard Monitor Transmit Frequency Selection Receive Frequency Selection Scan Receiver Selection (Auxiliary Receiver selection) Auxiliary Output Enable (disable) (Auxiliary Control) Signaling from a Tone Remote control unit consists of a high level Secur-it tone, followed by the appropriate medium level function tone (as well as a hold tone if the transmitter is keyed). The tone control sequence is shown in Figure 5-3. The Secur-it tone is a +10 dB, 2175 Hz tone that is present for 125 milliseconds. The Secur-it tone is followed by a 40 millisecond, 0 dB Function tone. The Function tone can be followed by a 2175 Hz Hold tone at -20 dB level if PTT is selected. The Hold tone is present as long as the PTT is pressed. Figure 5-3: Tone Remote Control Signaling The frequency of the Function tone determines the function selected by a tone remote control unit. Function tones range from 1050 Hz to 2050 Hz, and are spaced 100 Hz apart. 40 MM102558V1 R1A Table 5-1: Typical* Tone Functionality for Tone Remote Control Signaling TONE

(Hz) 2175 2050 1950 1850 1750 1650 FUNCTION SECUR-IT / TX Hold RX Channel Guard Disable (Reset by PTT) TX Freq. No. 1 TX Freq. No. 2 TX Freq. No 1 or Receiver No. 1 TX Freq. No 2 or Receiver No. 2 TONE

(Hz) 1550 1450 1350 1250 1150 1050 FUNCTION Channel Guard Decode or Repeater Enable Channel Guard Decode OFF or Repeater Disable TX-Freq. No. 3 or Aux. Function 1 ON TX-Freq. No. 4 or Aux. Function 1 OFF Repeater Enable**

Repeater Disable** or Scan Simultaneous Monitor

* The functionality listed for each tone is typical, however may differ for some installations.

** Repeater Enable and Repeater and disable are 1150 Hz and 1050 Hz only when Channel Guard ON/OFF is present. 5.6.10 Auxiliary Control Relay The MASTR III ADC T/R shelf may be equipped with up to two optional auxiliary relay kits, identified as K1 and K2. Assignment of control functions for each relay may be performed using MSEDIT Programming software. AUX1 relay (K1) and AUX2 relay (K2) each contain two Form-C contacts and operate under remote control. When AUX1 function is started, the system microprocessor sets signal RXF3/AUX1 to logic high which switches K1. When AUX2 function is started, the system microprocessor sets bit 4 of output register U106 high which switches K2. When the AUX functions are stopped, the control bits are toggled, and the relay coil drops out. Detailed installation instructions may be found in Installation Manual MM102554V1. 5.6.11 Squelch Operated Relay The MASTR III ADC T/R shelf may be equipped with an optional Squelch Operated Relay (SOR), identified as K3. The SOR (K3) contains four form "C" contacts and is rated for 2 amps at 20 VDC. The relay operates under control of signal RX_1_MUTE, which is derived from the Carrier Activated Squelch

(CAS) signal. Detailed installation instructions may be found in Installation Manual MM102554V1. 5.6.12 Channel Guard Monitor When the CG Monitor function DC control current or tone is received from a remote control unit, the T/R Shelf does not require the correct CG before un-muting the receiver. This allows received audio to be passed down the line to a remote control unit regardless of CG content, allowing the remote operator to monitor all frequency activity prior to transmitting. For repeater stations, the correct CG tone(s) are still required to key the station in repeat mode. This function is automatically reset when a remote control unit keys the transmitter. 41 MM102558V1 R1A 5.6.13 System Module - Digital Signal Processing The System Module also employs a State-of-the-Art audio Digital Signal Processing (DSP). Audio DSP is used to improve audio clarity, provide consistent audio leveling and enhanced tone generation and decoding for more flexible and reliable control functions. The DSP provides line cancellation used during 4-wire mode to prevent unwanted signaling on the line, notch filtering during voted applications and line audio level processing employing compression and threshold settings. 42 MM102558V1 R1A 6 MASTR III ADC STATION DESCRIPTION The MASTR III ADC base station may be equipped to operate in the VHF, UHF or 800 MHz band. The station equipment is designed to install into a 19 inch wide rack mount equipment cabinet or rack. The station can be equipped with a wide range of modules and accessories to meet a diverse range of system requirements including simplex, half duplex, duplex and transmit-only frequency operation. Modulation schemes include Frequency Modulated (FM) analog and digital modulation. Stations may be equipped as a single stand-alone unit or as a multiple station installation including antenna combining and multiplexing techniques. The basic set of MASTR III ADC base station equipment consists of the following:

MASTR III ADC T/R Shelf RF Power Amplifier MASTR III ADC base stations are available with various combinations of the following equipment:

Station Power Supply Antenna Switch TX/RX Antenna Duplexer TX Combiners and RX Multicouplers 37 and 83 Cabinets, and 86 Open Rack 6.1 MASTR III ADVANCED DIGITAL CAPABLE T/R SHELF The ADC Transmitter/Receiver (T/R) Shelf provides housing and interconnection for the RF and control modules. Figure 6-1 shows a typical MASTR III ADC T/R shelf with the basic set of modules required for basic Conventional FM transmit and receive applications. Additional modules are available for TX Data requirements, RX audio multi-path filtering, and Conventional P25 applications. The T/R Shelf is comprised of a 19 inch rack mountable enclosure, an Interface board and a Backplane board to interconnect each module. The T/R shelf may be populated with various TX, RX, power and control modules. The function of each module is briefly described in the following sections. The plug-in modules available for Conventional applications include:

TX Synthesizer Module System Module Adaptive Multi-Path Filter Module RX Synthesizer Module RX Front End Module Data Module DSP Module RX IF Module Power Module (DC) 43 MM102558V1 R1A Transmit Synthesizer Receiver Synthesizer Receiver Front End System Module Receiver IF Power Module Figure 6-1: Advanced Digital Capable T/R Shelf (Equipped for Conventional FM) 6.1.1 Interface Board The Interface Board 19D902975, shown in Figure 6-2, is mounted in the top of the ADC T/R shelf and provides the interface between the System Module and the RF Modules, and performs the following functions:

Control Interface from System Module to RF Modules. Telephone line interface with current level detection for remote control. Audio PA for local speaker. Transmitter power output level and control. Manual adjustment with front panel access of receiver squelch and local speaker volume. LED indication of PA Alarm. Various connectors including RS232 programming port and Mic/Handset port. Alarm and monitor junctions of PA output power for MASTR III applications. 6.1.2 Backplane The Backplane Board CB101126V1, shown in Figure 6-2, is used to interconnect power, low level audio, IF and data signaling between the MASTR III RF, Power and System Modules. 44 MM102558V1 R1A Backplane Interface Board Figure 6-2: MASTR III ADC T/R Shelf Backplane and Interface Board 6.1.2.1 Transmitter Synthesizer Module The Transmitter Synthesizer Module (TX SYN) model EA101685, shown in Figure 6-3, provides the RF excitation for the input of the base station RF Power Amplifier. The output of the TX synthesizer is a Frequency-Modulated (FM) signal and derives its reference oscillator signal from either the Receiver Synthesizer Module or Data Module in Transmit-Only base stations. 6.1.2.2 Receiver Synthesizer Module The Receiver Synthesizer (RX SYN) module EA101684, shown in Figure 6-4, generates a Phase Locked Loop (PLL) Local Oscillator (LO) signal used by the Receiver Front End Module in the ADC T/R Shelf. The Synthesizer Module follows operational and frequency determining instructions from the System Module to select between an external or internal reference oscillator which provides a highly stable reference for the PLL to operate. The Receiver Synthesizer Module also provides the selected reference oscillator signal to the Transmitter Synthesizer Module. 6.1.2.3 Receiver Front End Module The Receiver Front End (RxFE) Module 19D902782, shown in Figure 6-5, provides Front End band pass tuning capable of passing the desired receiver frequency while providing first L.O. image rejection and L.O. signal isolation at the antenna port. The RxFE also mixes the RF signal from the band pass circuit with the Receiver Synthesizer signal to create the First Intermediate Frequency (IF) signal, 21.4 MHz for VHF and UHF systems, and 70.2 MHz for 800 MHz systems. Finally, the First IF signal is passed to the receiver IF module. Figure 6-3: Transmitter Synthesizer Module Figure 6-4: Receiver Synthesizer Module Figure 6-5: Receiver Front End Module 45 Figure 6-6: Receiver IF Module Figure 6-7: System Module MM102558V1 R1A 6.1.2.4 Receiver IF Module The Receiver IF (RX IF) module models EA101401V1 (21.4 MHz for VHF and UHF stations) and EA101794V1 (70.2 MHz for 800 MHz stations), shown in Figure 6-6, provides IF filtering, amplification, and demodulation of the IF signal. Output signals from the IF modules include a balanced 455 kHz IF output for data applications and a demodulated audio output for analog audio applications. The IF Module also provides AGC for the 455 kHz IF signal and includes the receiver squelch circuitry. 6.1.2.5 System Module in Figure 6-7, uses The System Module 19D902590G6, shown programmable microcomputer technology to control the base station's transmitter, receiver, and audio processor. This module contains a Digital Signal Processor (DSP) used for audio processing, tone generation and detection. The System module can be programmed for up to twelve (12) channel operation during local control or programmed for remote control applications. DC remote control features can control up to two (2) transmit and receive frequencies, while Tone remote control can control up to four transmit and receive frequencies. Options provided by the Control Section include a transmitter Drop-Out Delay (DOD) timer, Carrier Control Timer (CCT), Channel Guard (CG), and Squelch Operated Relay output (SOR). The CCT is programmable from zero to 10 minutes. The DOD is programmable from zero to 10 seconds. Additional station options include:

Battery alarm tone Morse code station identification Auxiliary control Type 90 or DTMF tone decoding 2/4 wire audio 46 6.1.2.6 Data Module Data Module 19D904558, shown in Figure 6-8, allows the MASTR III Base Station to transmit Non Return to Zero (NRZ) data such as those produced by paging systems. The Data Module accepts data with rates up to 9600 baud within a range of -25V to +25V. The Data Module produces two corresponding outputs;

a modulated 12.8 MHz reference signal to drive the Reference Input of the Transmit Synthesizer, and filtered audio data that modulates the audio input of the Transmit Synthesizer. Together these modulation sources produce a clean data pattern resulting in reliable data transmissions. 6.1.2.7 AMPF Module AMPF Module KRG 101 56/1, shown in Figure 6-9, is a self-contained DSP-based plug-in module capable of filtering audible low frequency pops out of the base stations received audio signal. The module executes a proprietary DSP algorithm that reduces the audible pops primarily caused by the reception of reflected or multi-path RF signals because of an affect known as Rayleigh distribution or Rayleigh fading. 6.1.2.8 Power Module The Power Module 19D902589G2, shown in Figure 6-10, provides power to the T/R shelf and modules. It contains switching regulators for the +5V, +12V, and -12V DC supplies. The output of the +12V and -

12V supplies are further regulated to provide +5V and -5V required by the analog components. 6.1.2.9 DSP Module The DSP Module EA101800V1, shown in Figure 6-11, The DSP Module provides the necessary processing to generate and decipher the outbound and inbound P25 signaling. The DSP module extracts P25 intelligence from the 455 kHz Receiver IF data output and forms it into two outputs, the High Speed Data (HSD) output and a serial output. The HSD output is passed to the System Module for re-transmission and the serial data is routed to a Station SitePro for conversion to IP packets or other formats for remote applications. The DSP Module also encodes incoming data from the Station SitePro and analog inputs into P25 data and passes it to the System Module. The DSP Module allows the MASTR III P25 station to support the TIA 102 P25 Clear Air interface (CAI) protocol. MM102558V1 R1A Figure 6-8: Data Module Figure 6-9: AMPF Module Figure 6-10: Power Module Figure 6-11: DSP Module 47 MM102558V1 R1A 6.2 STATION EQUIPMENT 6.2.1 Station Power Supply The MASTR III ADC station is available with either of two models switching power supply. The PS103010 (120 VAC input), shown in Figure 6-12, and the PS24043-0001 (240 VAC input), shown in Figure 6-13, are Multi-Output; AC to DC Switching Power Supplies housed in a metal chassis with built-

in dual cooling fans. The supplies replace the previous model 19A149979 series 120V and 240V power supplies. Both the PS103010 and PS24043-0001 switching power supplies are 600 Watt continuous duty power supply with two independent voltage outputs for full station operation, and includes a built-in battery back-up system. A 27.2 VDC output at 15 Amperes provides power to the RF Power Amplifier while a 13.6 VDC output at 6 Amperes provides power to the MASTR III ADC system (T/R) shelf. The battery back-up circuit includes a built-in battery charging circuit to maintain maximum battery performance. The supply incorporates features for over-voltage and over-current protection, 24V status signaling, and a forced-air cooling system for optimal system performance. Figure 6-12: 120 VAC Switching Power Supply Figure 6-13: 240 VAC Switching Power Supply 6.2.2 DC Power Distribution Panel A DC Power Distribution panel is available for the MASTR III ADC station. This DC panel provides a high current 24 VDC input connection, and a low current 12 VDC input connection from external DC power sources. The panel includes safety fuses for each power source and the necessary distribution points to power station equipment. 6.2.3 RF Power Amplifier Assembly The RF Power Amplifier (PA) Assembly EA101292, shown in Figure 6-14, amplifies the exciter output to rated output power level. This module contains a power module, amplifier drivers and power control circuitry required for power amplification. The Power Amplifier Assembly is a continuous duty, solid state, wide-band RF power amplifier. Its main function is to amplify the 10 mW FM signal from the Transmitter Synthesizer to the rated RF output at the antenna port. The output of the Power Amplifier Assembly is typically 110 Watts for VHF

(adjustable from 10 to 110 Watts) and 100 Watts for UHF and 800 MHz (adjustable from 10 to 100 Watts) as measured at the PA output port. 48 MM102558V1 R1A Figure 6-14: RF Power Amplifier 6.2.4 RF Antenna Switch Assembly An RF Antenna Switch assembly, shown in Figure 6-15 is available for conventional MASTR III ADC stations operating in the simplex or half-

duplex base station mode. The Antenna Switch is available with or without mounting hardware and cabling. Mounting hardware options are available for mounting the Antenna Switch either directly to the RF PA assembly or as a 19 rail mounted device. Figure 6-15: Antenna Switch 6.2.5 Cabinet Enclosures and Open Rack Assembly MASTR III ADC station equipment is typically installed in a steel cabinet or rack, however may be ordered without a cabinet or rack. Cabinet enclosures include front and rear doors for full station access. Also available is an indoor open rack and a weatherproof outdoor cabinet. The following list defines the available cabinet sizes, styles, and number of MASTR III ADC stations that can be installed into each type of cabinet or rack, dependent upon the hardware options installed in conjunction with each station:

37" Indoor Cabinet (1 station per cabinet) 45 Weatherproof Outdoor Cabinet (1 station per cabinet) 69 Indoor Cabinet (1-4 stations per cabinet) 83" Cabinet (1-5 stations per cabinet) 86" Open Rack (1-5 stations per rack) 49 M/A-COM Wireless Systems 221 Jefferson Ridge Parkway Lynchburg, Virginia 24501

(Outside USA, 434-385-2400) Toll Free 800-528-7711 www.macom-wireless.com Printed in U.S.A.

System Operators User Manual P25net Channel Controller Raytheon Company 5800 Departure Drive Raleigh, NC 27616 24/7 Technical Support For support, call 1-800-498-3137 Email: p25net.sales@raytheon.com P/N 5060-600200 Revision 1.05 March, 2011 P25net Channel Controller Operations Manual PROPRIETARY STATEMENT This document is copyright Raytheon 2011. No part of this document may be reproduced in any form, transmitted, or stored in a retrieval system without the prior written consent of Raytheon. This document is classified Commercial in Confidence. Its contents may not be divulged Raytheon. the prior written consent of third parties without to The information contained in this manual is the property of Raytheon and is intended for the purchasers use only. NOTICE Raytheon reserves the right to make changes to the equipment and specifications without prior notice. Raytheon Company Phone: (919) 790-1011 Fax: (919) 790-1456 5800 Departure Drive Raleigh, NC 27616 2 P25net Channel Controller Operations Manual CONTROL AND OWNERSHIP This is a controlled document. Unless stated otherwise, the sole controlled copy of this document resides in the Raytheon document control repository, and other copies in electronic and printed form are uncontrolled. REVISION HISTORY Revision Date Details 1.00 1.01 1.03 1.04 1.05 03 Jan. 2008 First Release 24 Jan 2008 Minor updates & formatting; no technical changes 08 Oct 2008 Added Specifications and Radio Calibration using PCCT 22 Jan 2009 Branding edits to contents 28 Mar 2011 New product photos, updated interface specification 3 P25net Channel Controller Operations Manual Table of Contents 1 INTRODUCTION ......................................................................................................................................... 1-1 1.1 1.2 1.3 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 1.4 1.5 1.6 Scope .................................................................................................................................................... 1-1 Description ........................................................................................................................................... 1-1 Analog Base Radio Requirements ........................................................................................................ 1-2 Duplex Operation ............................................................................................................................ 1-2 Unbalanced Wideband Audio .......................................................................................................... 1-2 PTT/Keyline .................................................................................................................................... 1-2 RSSI ................................................................................................................................................ 1-2 Frequency Stability .......................................................................................................................... 1-3 Narrowband Channel Bandwidth .................................................................................................... 1-3 Specifications ....................................................................................................................................... 1-3 Equipment Supplied ............................................................................................................................. 1-4 Optional Equipment-Not Supplied ....................................................................................................... 1-6 2 INSTALLATION .......................................................................................................................................... 2-1 2.1 2.2 2.3 2.4 2.5 General ................................................................................................................................................. 2-1 Unpacking and Inspection .................................................................................................................... 2-1 Reshipment of Equipment .................................................................................................................... 2-1 Installation Overview ........................................................................................................................... 2-2 Installation Considerations ................................................................................................................... 2-3 2.5.1 Mounting ......................................................................................................................................... 2-3 Cooling ............................................................................................................................................ 2-3 2.5.2 Front Panel Indicators ...................................................................................................................... 2-3 2.5.3 2.5.4 Rear Panel Connectors and Controls ............................................................................................... 2-4 AC Power Requirements ...................................................................................................................... 2-7 DC Power Requirements ...................................................................................................................... 2-7 Network Connection ............................................................................................................................ 2-8 Radio Interface Connection .................................................................................................................. 2-8 3 RADIO CALIBRATION .............................................................................................................................. 3-1 Calibration Overview ........................................................................................................................... 3-1 Equipment Required ............................................................................................................................. 3-1 Installing PCCT .................................................................................................................................... 3-1 Configuring PC Network Connection .................................................................................................. 3-3 Connecting to Channel Cards ............................................................................................................... 3-4 Updating Firmware .............................................................................................................................. 3-5 Initialise Mode ..................................................................................................................................... 3-6 Radio Programming ............................................................................................................................. 3-7 Transmit Calibration ............................................................................................................................ 3-7 Equipment Set Up............................................................................................................................ 3-7 Initial Steps ...................................................................................................................................... 3-8 Radio Tx Calibration ....................................................................................................................... 3-8 Rx Calibration .................................................................................................................................... 3-12 Equipment Setup ........................................................................................................................... 3-12 3.10.1 3.10.2 Initial Steps .................................................................................................................................... 3-14 3.10.3 RSSI Calibration ............................................................................................................................ 3-15 3.10.4 Rx Calibration ............................................................................................................................... 3-16 Sync Calibration ............................................................................................................................ 3-19 3.10.5 Load/Save Transceiver Configuration ................................................................................................ 3-20 3.9.1 3.9.2 3.9.3 3.10 3.11 2.6 2.7 2.8 2.9 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4 P25net Channel Controller Operations Manual Load/Save Config Window ........................................................................................................... 3-20 3.11.1 3.11.2 Default Radio Settings Loaded...................................................................................................... 3-21 Fallback Mode ................................................................................................................................... 3-21 3.12 List of Figures FIGURE 1-1 TYPICAL P25NET SYSTEM ..................................................................................................................... 1-2 FIGURE 2-1 P25NET CC OUTLINE DIMENSIONS ...................................................................................................... 2-6 FIGURE 2-2 FRONT PANEL (4 CHANNEL UNIT SHOWN) ........................................................................................... 2-6 FIGURE 2-3 REAR PANEL (4 CHANNEL UNIT SHOWN) ............................................................................................. 2-7 FIGURE 2-4 AC ADAPTER ....................................................................................................................................... 2-7 FIGURE 3-1: COMMENCING INSTALLATION OF THE PCCT APPLICATION ................................................................. 3-2 FIGURE 3-2: INSTALLATION OF THE PCCT APPLICATION COMPLETED ..................................................................... 3-2 FIGURE 3-3 PCCT ICON ........................................................................................................................................... 3-3 FIGURE 3-4 PC LOCAL AREA NETWORK SETTING ................................................................................................... 3-4 FIGURE 3-5 CONNECTION DIALOG BOX ................................................................................................................... 3-5 FIGURE 3-6 FIRMWARE UPDATE WINDOW ............................................................................................................... 3-5 FIGURE 3-7 INITIALISE MODE WINDOW ................................................................................................................... 3-6 FIGURE 3-8 TX CALIBRATION SETUP ...................................................................................................................... 3-7 FIGURE 3-9 CONFIGURE TX WINDOW ..................................................................................................................... 3-8 FIGURE 3-10 TEST SET OSCILLOSCOPE: DEMODULATED AUDIO ............................................................................. 3-9 FIGURE 3-11 TEST SET OSCILLOSCOPE: SHORT SQUARE WAVE ........................................................................... 3-10 FIGURE 3-12 TEST SET OSCILLOSCOPE: SINE WAVE ............................................................................................. 3-11 FIGURE 3-13 CONFIGURE TX WINDOW: MINUS SIGN FOR TX VCO GAIN .............................................................. 3-12 FIGURE 3-14 RX CALIBRATION SET-UP ................................................................................................................. 3-13 FIGURE 3-15 CONFIGURE TX AND RX (MANUAL) WINDOW .................................................................................. 3-14 FIGURE 3-16 RSSI LOW LEVEL ............................................................................................................................. 3-15 FIGURE 3-17 RSSI HIGH LEVEL ............................................................................................................................ 3-16 FIGURE 3-18 RX GAIN AND OFFSET ADJUSTMENT ................................................................................................ 3-17 FIGURE 3-19 CONFIGURE RX AUTOMATIC: RSSI TRIGGER ................................................................................... 3-18 FIGURE 3-20 CONFIGURE RX (AUTOMATIC): FIND SYNC ....................................................................................... 3-19 FIGURE 3-21 LOAD/SAVE CONFIG SCREEN ........................................................................................................... 3-20 FIGURE 3-22 DEFAULT SETTINGS APPLIED SCREEN .............................................................................................. 3-21 FIGURE 3-23 FALLBACK MODE ENABLE SCREEN .................................................................................................. 3-22 List of Tables TABLE 1-1 P25NET CC SPECIFICATIONS ................................................................................................................ 1-3 TABLE 1-2 EQUIPMENT AND ACCESSORIES SUPPLIED ............................................................................................. 1-5 TABLE 1-3 EQUIPMENT AND ACCESSORIES SUPPLIED ............................................................................................. 1-5 TABLE 1-4 EQUIPMENT AND ACCESSORIES SUPPLIED ............................................................................................. 1-5 TABLE 1-5 EQUIPMENT AND ACCESSORIES SUPPLIED ............................................................................................. 1-6 TABLE 1-6 OPTIONAL EQUIPMENT - NOT SUPPLIED ................................................................................................ 1-6 TABLE 2-1 D15F CONNECTOR PIN-OUTS (CHANNELS 1-4) ..................................................................................... 2-5 5 P25net Channel Controller Operations Manual APCO APCO P25 BS BSC CC IP ISSI OTAR P25 P25net P25net CC PSTN RF RFSS RSSI Rx or RX Tx or TX WACN Glossary Association of Public-Safety Communications Officials. Note that in this document, APCO as used invariably refers to APCO Project 25 APCO Project 25 digital conventional and trunked radio standard. Base Station Base Station Controller See P25net CC. Internet Protocol Inter Subsystem Interface Over The Air Rekeying P25 See APCO P25. Raytheon APCO 25 network solution P25 Channel Controller Public Switched Telephone Network RF Radio Frequency RFSS RF Subsystem RSSI Received Signal Strength Indicator Receive Transmit Wide-Area Communications Network 6 P25net Channel Controller Operations Manual 1 Introduction 1.1 Scope This instruction manual provides information necessary to install and operate the P25net Channel Controller, a component of Raytheons P25net system. Installation requirements and calibration with the connected radio are covered. For system installation, configuration, and operation refer to the P25net Training Guide. 1.2 Description The P25net Channel Controller (P25net CC) is a 1 RU (Rack Unit; 1.75) device designed to allow legacy analog repeaters the ability to remain in service and become digital P25 capable. By attaching a P25net CC to existing analog repeaters, all aspects of the P25 Common Air Interface (CAI) can be achieved including conventional, trunked, data, and over the air rekeying (OTAR). The P25net CC consists of up to four channel cards per chassis, each using the P25 protocol stack. Each channel card connects to a new or existing analog repeater to provide digital P25 signaling capabilities. The P25net CC functions as a Conventional 4 Level Frequency Modulation (C4FM) modulator/demodulator for the repeater to encode and decode digital audio for transmission and reception. The channel card processor can repeat these signals locally over the connected repeater or establish a connection over an IP network to a distant repeater or network. Figure 1-1 P25netCC Internal Layout (3 Channel Unit Shown) Typically, the P25net CC is connected to multiple repeaters to provide several channels and to a Base Station Controller (BSC) which provides site control functionality (see Figure 1-2). By 1-1 P25net Channel Controller Operations Manual combining two or more P25net sites with a Radio Network Controller (RNC) and a Network Location Register (NLR) through an IP based network, a multi site system can be created. Figure 1-2 Typical P25net System 1.3 Analog Base Radio Requirements The following are general considerations for radios suitable for P25net CC interface requirements. 1.3.1 Duplex Operation The radio must be capable of full duplex operation as a base station rather than a repeater. This is necessary because the P25net CC must control the repeat function. 1.3.2 Unbalanced Wideband Audio Unbalanced Tx and Rx wideband audio without pre-emphasis and de-emphasis is required to pass the 0-3000Hz baseband necessary for P25 signals. DC coupling is preferred since it provides the best low frequency response. The capability to turn off all filters is recommended. Balanced Line Audio means that transformers are in the signal path and will limit low frequency response. 1.3.3 PTT/Keyline The P25net CC provides an open collector for grounding the radio PTT/Keyline to transmit. 1.3.4 RSSI The P25net CC uses the Receive Signal Strength Indicator (RSSI) signal in determining validity of a received P25 signal. 1-2 P25net Channel Controller Operations Manual 1.3.5 Frequency Stability The following recommendations are from the P25 standard (ANSI/TIA-102.CAAB-C):

Assigned Frequency

(MHz) Frequency Stability Parts per Million (PPM) Below 100 138-174 406-512 764-806 806-869 896-941 2.5 1.5 0.5 0.1 0.15 0.1 1.3.6 Narrowband Channel Bandwidth The radio should be capable of 12.5kHz channel programming. 1.4 Specifications Table 1-1 P25net CC Specifications 90-264VAC, 47-63Hz, 20VA from external AC adapters (supplied) for connection to DC Inputs A and B (J1and J2 on rear panel). J1/J2 are 5.5mm x 2.5mm locking DC Power Jacks (Switchcraft L712A; mating plug Switchcraft 761K).

+11.0-13.2VDC 1A for connection to J1and J2 on rear panel; J1/J2 are 5.5mm x 2.5mm locking DC Power Jacks (Switchcraft L712A; mating plug Switchcraft 761K). DC inputs A and B allow connection of 2 power sources for added reliability. Pin 7 on the D15F rear panel connector Channels 1-4;

0-3000Hz, 3vpp (1.06 vrms) maximum Pin 8on the D15F rear panel connector Channels 1-4;

Receive Strength Signal Indicator (RSSI) signal from radio; 0-5VDC. Pin 6 on the D15F rear panel connector Channel 1-4 0-3000Hz, 3vpp (1.06vrms) maximum Pin 5 on the D15F rear panel connector Channel 1-4 Open Collector, active low Pins 14,15 on the D15F rear panel connector Channel 1-4 Ground reference for the input/output signals RJ45 connectors on the front and rear panel. Power AC Power Input DC Power Inputs A and B Dual Power Source Signal Inputs Receive Baseband Audio RSSI Signal Outputs Transmit Baseband Signal PTT or Keyline Analog Ground Data Connections IP Connection 1-3 RS-232 Receive RS-232 Transmit Digital Ground Programmable I/O DIN0 DIN1 DIN2 OUT0 IN3 FGND LED Display S1 DC Power A and B Channel Status Rx Tx Physical Size Weight Operating Temperature Storage Temperature P25net Channel Controller Operations Manual Table 1-1 P25net CC Specifications RS-232 Rx: Pin 1 on the D15F rear panel connector Channel 1-4 RS-232 Tx: Pin 2 on the D15F rear panel connector Channel 1-4 Pin 9 on the D15F rear panel connector Channel 1-4 Ground reference for the RS-232 data lines. Programmable Input 0 (reserved) Pin 10 on the D15F rear panel connector Channel 1-4 Programmable Input 1 (reserved) Pin 3 on the D15F rear panel connector Channel 1-4 Programmable Input 2 (reserved) Pin 12 on the D15F rear panel connector Channel 1-4 Programmable Output 0 (reserved) Pin 4 on the D15F rear panel connector Channel 1-4 Programmable Input 13 (reserved) Pin 3 on the D15F rear panel connector Channel 1-4 Ground reference for IN3 Green when 10MHz GPS Reference connected Green when DC power is at DC Inputs A and B For each supplied channel: Steady Green when controlled by BSC;

flashing otherwise. For each supplied channel: Orange when a valid P25 signal is received. For each supplied channel: Red when a signal is being transmitted 1.75 H x 19 W x 12.4 D (4.4 x 48.3 x 31.5 cm). 5 pounds ( 2.3kg) 0 to +60 degrees C.

-40 to +85 degrees C. 1.5 Equipment Supplied Table 1-2 Equipment and Accessories Supplied P25net CC Top Level Part Number Explanation 5060-

6 X 0 2 X 0 P25net Family

# of Channels 1=1 Channel 2=2 Channel 3=3 Channel 4=4 Channel All units include:

1=Standard I/O 2=4 Wire AFSI 1-4 P25net Channel Controller Operations Manual 1 1 P25net CC Operation Manual Accessory Kit consisting of:

(2 )AC Power Supply 90-264VAC

(2) Line Cord 5060-600200 5060-610150 1620-264061 0313-037770 Table 1-3 Equipment and Accessories Supplied P25net CC with Manual and Accessory Kit 1 All items below are included within P/N 5060-610000 Items included: 1 P25NET CC One Channel Unit 1 Operation Manual Accessory Kit- Consisting of:

Qty 2 2 Part Number 0313-037770 1620-264061 Description Line Cord Power Supply, 90-264VAC 5060-610500 5060-612000 5960-610150 Table 1-4 Equipment and Accessories Supplied P25net CC Two Channel Unit with Manual and Accessory Kit Quantity Item P/N P25net CC Two Channel Unit with Manual and Accessory Kit 5060-620000 All items below are included within P/N 5060-610000 Items included: 1 P25net CC One Channel Unit 1 P25net CC One Channel Expansion Kit 1 Operation Manual Accessory Kit- Consisting of:

Qty 2 2 Part Number 0313-037770 1620-264061 Description Line Cord Power Supply, 90-264VAC 5060-610000 5060-650000 5060-612000 5960-610150 1 1 Table 1-5 Equipment and Accessories Supplied P25NET CC Three Channel Unit with Manual and Accessory Kit Quantity Item P/N 1 1 P25net CC Three Channel Unit with Manual and Accessory Kit 5060-630000 All items below are included within P/N 5060-620000 Items included: 1 P25net CC One Channel Unit 2 P25net CC One Channel Expansion Kit 1 Operation Manual Accessory Kit- Consisting of:

Qty Part Number Description 5060-610000 5060-650000 5060-612000 5960-610150 1-5 P25net Channel Controller Operations Manual Table 1-5 Equipment and Accessories Supplied 2 2 0313-037770 1620-264061 Line Cord Power Supply, 90-264VAC Table 1-6 Equipment and Accessories Supplied P25NET CC Four Channel Unit with Manual and Accessory Kit Quantity Item P/N 1 1 P25net CC Four Channel Unit with Manual and Accessory Kit 5060-640000 All items below are included within P/N 5060-620000 Items included: 1 P25net CC One Channel Unit 3 P25net CC One Channel Expansion Kit 1 Operation Manual Accessory Kit- Consisting of:

Qty 2 2 Part Number 0313-037770 1620-264061 Description Line Cord Power Supply, 90-264VAC 5060-610000 5060-650000 5060-612000 5960-610150 1.6 Optional Equipment-Not Supplied Table 1-7 Optional Equipment - Not Supplied Item P25net CC Single Channel Standard I/O Expansion Kit For adding an additional channel to the P25net CC P25net CC Single Channel 4W AFSI P/N 5060-652000 End of Section 1 1-6 P25net Channel Controller Operations Manual 2 Installation 2.1 General This section provides the instructions for unpacking, inspection, installation and set-up. Included are directions for reshipment of damaged parts or equipment. 2.2 Unpacking and Inspection After unpacking the unit, retain the carton and packing materials until the contents have been inspected and checked against the packing list. If there is a shortage or any evidence of damage, do not attempt to use the equipment. Contact the carrier and file a shipment damage claim. A full report of the damage should be reported to the Raytheons customer service department. The following information should be included in the report:

1. Order Number 2. Equipment Model and Serial Numbers 3. Shipping Agency 4. Date(s) of Shipment The Raytheon customer service department can be reached by phone at (919) 790-1011, or by fax at (919) 790-1456. Upon receipt of this information, Raytheon will arrange for repair or replacement of the equipment. 2.3 Reshipment of Equipment If it is necessary to return the equipment to the manufacturer, a Returned Material Authorization (RMA) number must first be obtained from Raytheon. This number must be noted on the outside of the packing carton and on all accompanying documents. When packing the unit for reshipment, it is best to use the original packaging for the unit; if this is not possible, special attention should be given to providing adequate packing material around connectors and other protrusions, such as front panel ears. Rigid cardboard should be placed at the corners of the unit to protect against corner damage during shipment. Failure to protect the corners of the front panel causes the most common type of shipping damage experienced on returned equipment. 2-1 P25net Channel Controller Operations Manual Shipment should be made prepaid consigned to:

Raytheon Company Customer Service Department 5800 Departure Drive Raleigh, North Carolina 27616 USA Plainly, mark with indelible ink all mailing documents as follows:

U.S. GOODS RETURNED FOR REPAIR Mark all sides of the package:

FRAGILE - ELECTRONIC EQUIPMENT Inspect the package prior to shipment to be sure it is properly marked and securely wrapped. 2.4 Installation Overview Four steps are needed to properly install the P25net CC. These steps are:

1. Provide mechanical mounting for the unit. See Section 2.5 for instructions regarding air circulation requirements and other mechanical mounting considerations. 2. Provide the proper primary power for the unit; see Section 2.6 and 2.7. 3. Interconnect the unit with the communications system via the unit's rear panel connectors; see Sections 2.8 and 2.9 4. Calibrate the radio to the P25net CC using Personal Computer Calibration Tool (PCCT) as covered in Section 3. 2-2 P25net Channel Controller Operations Manual 2.5 Installation Considerations Careful attention to the following installation suggestions should result in the best unit/system performance. Figure 2-1 provides overall unit dimensions. The P25net CC must be installed in a structure, which provides both protection from the weather and assurance of ambient temperatures between -0 and +60 degrees C. Since the unit is neither splash proof, nor corrosion resistant, it must be protected from exposure to salt spray. When the unit is mounted in a cabinet with other heat-generating equipment, the use of a rack blower is suggested to keep the cabinet interior temperature rise to a minimum. 2.5.1 Mounting For applications such as mobile command centers or transportable cases or any other application where some degree of shock and vibration is expected, the P25net CC must be mounted with support brackets in addition to the front mounting screws. For fixed applications such as floor mounted cabinets or racks in a fixed equipment room, rear supports are not required. 2.5.2 Cooling The P25net CC depends on natural convection for its cooling. It must be mounted in a way that allows for sufficient air circulation to keep the ambient temperature around the unit from exceeding +60C. Use forced air-cooling in the cabinet if necessary. The P25net CC generates approximately 50 BTU/Hr heat. 2.5.3 Front Panel Indicators INDICATOR Power A Power B S1 S2 S3 Channel Status Tx Rx DESCRIPTION Power Source A is present Power Source B is present Green when 10MHz GPS Reference connected at rear panel input Future use Future use Green when channel is under BSC control; flashing otherwise (Fallback Mode) Red when channel is transmitting;

also will indicate during a firmware update procedure and at power on or software reset. Orange when channel receives a valid P25 signal; also will indicate during a firmware update procedure and at power on or software reset. 2-3 P25net Channel Controller Operations Manual 2.5.4 Rear Panel Connectors and Controls 2.5.4.1 D15 Radio Interface Connector The rear panel has up to four D15 connectors for interface to radios. The pin-outs for each connector channel are listed in the following table. Units having less than 4 channels will have unused connector locations covered with a press-in type plug. 2-4 P25net Channel Controller Operations Manual Table 2-1 D15F Connector Pin-outs (Channels 1-4) Pin Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 RS232_RX_IN RS232_ TX1_OUT DIN1 OUT0 TXKEY AUDIO_TX_OUT AUDIO_RX_IN RSSI_OUT DGND DIN0 FGND DIN2 IN3 AGND AGND 2.5.4.2 DC Input Jack J1,J2 The supplied external AC adapters connect to DC inputs A and B (J1/J2 on rear panel; J1/J2 are 5.5mm x 2.5mm locking DC Power Jacks (Switchcraft L712A). The adapters are terminated with a mating locking plug (Switchcraft 761K). 2.5.4.3 GPS Reference Input BNC(F) connectors for 10MHz and 1PPS signals are provided for Simulcast operation. 2.5.4.4 Power Switch S1 S1 switches both power sources. 2-5 P25net Channel Controller Operations Manual 2.5.4.5 RJ45 Ethernet port This jack is normally used for connection to a BSC. AC power DC power channel 1 processor channel 2 processor channel 3 processor channel 4 processor LAN tx rx tx rx tx rx tx rx etherstack powered 1.75 P25 Channel Controller 19.0 12.4 16.75 Figure 2-1 P25net CC Outline Dimensions Figure 2-2 Front Panel 2-6 P25net Channel Controller Operations Manual Figure 2-3 Rear Panel (3 Channel Unit shown) 2.6 AC Power Requirements The P25net CC is supplied with two AC adapters (Figure 5) that will operate over a wide AC voltage range (90-264VAC). The supply circuit requirement is 20VA. The adapters are provided with locking DC plugs for connection to the P25net CC rear panel DC input jacks A and B. The adapters supply 12VDC @ 1A to the P25net CC. Each has an IEC 320 inlet for attaching the AC power cord (supplied). Figure 2-4 AC Adapter 2.7 DC Power Requirements The P25net CC will operate on +11.0 to +13.2VDC @ 1A when connected to DC Inputs A/B. Removal of one source will have no effect on the P25net CC when running from both sources. The front panel power LED will indicate when a source is connected and the power switch is ON. 2-7 P25net Channel Controller Operations Manual 2.8 Network Connection The P25net CC must be connected by a single Cat-5 or Cat-6 cable to either an Ethernet switch or hub, or connected directly to a Base Station Controller (BSC). Either the front or rear RJ-45 connector can be used for this purpose, but both connectors should not be cabled to the same device. It is preferable to use the rear RJ-45 connector for connecting the P25net CC to a BSC, if they are linked directly without a local Ethernet switch or hub. This leaves the front RJ-45 connector free for connecting a PC for radio calibration or firmware updates. 2.9 Radio Interface Connection Systems engineers at Raytheon have created interface cables and accompanying Application Notes for a number of radios. The cables are shielded and terminated with connectors for easy connection between the radio and P25net CC rear panel. The application notes provide the cable schematic as well as programming and set-up recommendations for the specific radio. End of Section 2 2-8 P25net Channel Controller Operations Manual This Page Intentionally Left Blank 2-9 P25net Channel Controller Operations Manual 3 Radio Calibration 3.1 Calibration Overview The channel card in the P25net CC must be calibrated to the connected radio. This process adjusts the internal audio circuits within the P25net CC to adapt to the radios audio levels and sets the transmit deviation for P25 narrowband requirements. In addition, the RSSI signal from the receiver is characterized by the P25 processor to enable proper synchronization to the P25 packet data streams. Each transceiver radio has different physical components from other types of transceivers and even from other transceivers of the same make and model. Because of this, each transceiver channel in the P25net CC has to be tuned to ensure an optimal receiver and transmit signal are produced. This is a critical step and if not performed will render the channel partially or completely incapable of P25 operation. PC Tools (PCCT) is an application that runs on a pc and provides the necessary controls to perform the calibration. PCCT also allows setting various operational parameters (such as Fallback Mode) and performing testing. See Chapter 4 for PCCT advanced features. 3.2 Equipment Required PCCT Running on a PC (preferably a Laptop) CAT 5 LAN cable RF Test Set (preferably with APCO 25 test capability) such as the Aeroflex 3920 as used in the following example A pair of conventional P25 portable radios (handsets) with programming software and cable to allow programming to the base radio channel. 3.3 Installing PCCT The PCCT application is installed by running the Windows installer package PCCTSetup.msi. If this file does not run automatically from a supplied CD, find this file and execute it. The initial splash screen as shown below will then be presented to the user. As with most of these dialog boxes presented during the installation process the Next button moves to the next stage of the installation and the Back button returns to the previous dialog box. 3-1 P25net Channel Controller Operations Manual Figure 3-1: Commencing installation of the PCCT Application During the installation process, the user will be prompted to accept the End-User License Agreement (required in order to proceed with installation), select a destination folder for the PCCT application (C:\Program Files\Etherstack\PCCT x.xx, by default), after which installation will commence. When installation is complete, the following message will be shown:

Figure 3-2: Installation of the PCCT application completed The PCCT is then ready to use, and may be launched using the shortcut installed on the desktop:

3-2 P25net Channel Controller Operations Manual Figure 3-3 PCCT Icon 3.4 Configuring PC Network Connection The PC must be configured to set the Local Network connection to the same address range as the Channel Card. See Figure 3-4. Typically this is done by selecting:

Control Panel>Network Connections>Local Area Connections>Properties. Then scroll to Internet Protocol (TCP/IP) and Click on Properties; Select Use the Following Address and enter the IP address and Subnet mask to correspond to the requirement of the Channel card address. Assuming a default channel card address of 10.1.1.1 with a subnet mask of 255.255.0.0, this would require the PC to be set within the same net with a different address, for example 10.1.1.10 (the PC cant have the same address as the Channel card). 3-3 P25net Channel Controller Operations Manual Figure 3-4 PC Local Area Network Setting 3.5 Connecting to Channel Cards A standard Cat 5 LAN cable should be connected from the PC to the P25net CC front panel RJ45 jack. The Open Connection item in the File menu allows a specific IP address to be used for connecting to a single Channel Card, and also contains a list of auto-detected Channel Cards on the local network. This list is populated by sending out a broadcast to the network, to which Channel Cards respond. 3-4 P25net Channel Controller Operations Manual Figure 3-5 Connection Dialog Box To connect to the Channel Card at a specific IP address, type its address in the text field, and click Connect. Alternatively, double click the address in the list of auto-detected Channel Cards. Following connection, the oscilloscope window will now be visible, and the configuration interface is now ready for use. A list of recently used IP addresses is stored, and is available by clicking the down arrow in the IP Address field. Connection of the PCCT to the Channel Cards requires the Channel Cards to be located on the same subnet as the computer running the PCCT. If connection to a card fails, verify that this is the case. It is possible to use the PCCT to communicate with all 4 cards, by using the Connection dialog to connect to each of them in turn. A new tab will be created for each card that the P25net CC connects to successfully. 3.6 Updating Firmware The user can update the firmware on the Controller Card by selecting Write P25net CC Firmware from the Options menu. This will open the following window Figure 3-6:

Figure 3-6 Firmware Update Window Enter the IP address of the Controller Card whose firmware is to be updated, then select the file containing the firmware image. Click the Write Firmware button. A window will appear indicating that the firmware update is in progress, and once the update is complete (duration <

30sec) a confirmation message will indicate success of the update. 3-5 P25net Channel Controller Operations Manual At the end of the firmware process, the front panel lights for that channel will alternate then both stay on and then only the single processor LED should remain lit. IMPORTANT NOTE: Do not switch off the power or interrupt the connection between the PCCT and P25net CC during firmware updates. Wait until the single Processor LED remains lit before any other action. 3.7 Initialise Mode In this mode, the user can examine and modify the current IP address of the Controller Card. The user can also examine the MAC address, license key, license status (Valid or Invalid), and board identifier of the Controller Card. Figure 3-7 Initialise Mode Window By default, the MAC address and license key are not user-editable. They can be edited by enabling Allow MAC/License Key Editing from the Options menu. Note that each board should have a unique MAC from all other boards ever used and each IP should be distinct for all boards that will be connected to a single BSC. IMPORTANT NOTE: Be careful when modifying the IP address. Setting an invalid address will not allow the PCCT to communicate with it. Also, make sure duplicate addresses are not used (such as two or more Channel Cards having the same address) 3-6 P25net Channel Controller Operations Manual 3.8 Radio Programming The radio should be programmed according to the Application Note for that specific radio model. 3.9 Transmit Calibration Transmit calibration sets the narrowband deviation for the transmitter and verifies the transmitter can be heard by a P25 receiver. 3.9.1 Equipment Set Up Connect the equipment as shown in Figure 3-8. Radio Under Calibration Aeroflex 3920 Tx T/R 50 ohm coax P25CC Radio Interface Cable P25CC CAT 5 PCCT Calibration Software PC Figure 3-8 Tx Calibration Setup IMPORTANT NOTE: Make sure the test set has an internal 50 ohm attenuator rated for the transmit power of the radio! It may be necessary to program the radio to a lower power for the Tx calibration. 3-7 P25net Channel Controller Operations Manual 3.9.2 Initial Steps 3.9.2.1 Set the Radio Test Set to analog duplex mode and program for the frequency of the transmitter. 3.9.2.2 Power up the radio and P25net CC. 3.9.2.3 Launch PCCT and connect to the P25net CC channel. 3.9.3 Radio Tx Calibration 3.9.3.1 In PCCT go to the Configure >Tx window and set default values for the Tx parameters as shown in Figure 3-9 Figure 3-9 Configure Tx Window 3-8 P25net Channel Controller Operations Manual 3.9.3.2 Start a Sine Wave test tone and adjust the Tx Gain for approximately +/-

2.8kHz as read on the test set deviation meter (Figure X). Adjust the Tx Offset if necessary fort a good undistorted sine wave as displayed on the test set oscilloscope screen (Figure 3-10). Verify the Tx frequency offset error is within required range. Note: Some radios will produce a frequency offset if the Tx Offset is incorrectly adjusted. Figure 3-10 Test Set Oscilloscope: Demodulated Audio 3-9 P25net Channel Controller Operations Manual 3.9.3.3 Change the test tone selection on PCCT to Short Square Wave (100Hz) and verify the demodulated audio oscilloscope displays a good approximation of a square wave with generally flat high and low levels

(Figure 3-11). A poor square wave indicated the radio needs to be aligned with the factory service software to achieve better DC Balance. Figure 3-11 Test Set Oscilloscope: Short Square Wave 3-10 P25net Channel Controller Operations Manual 3.9.3.4 Return to the Sine Wave test tone and adjust Tx Vco Gain to get the deviation as close to +/-2.827kHz as possible and adjust the Tx Offset as necessary to correct any flattening or clipping of the sine wave. Tx Vco Gain is a finer adjustment than Tx Gain which provides coarse steps. (See Figure 3-12). Figure 3-12 Test Set Oscilloscope: Sine Wave 3-11 P25net Channel Controller Operations Manual 3.9.3.5 Start an IMBE test tone using PCCT. 3.9.3.6 Tune the test set to P25 mode and listen for a 1200Hz sine wave in the monitor speaker set to demodulated audio. A P25 Handset may also be used for this step if tuned to the proper frequency in conventional P25 mode. 3.9.3.7 If the test tone is not heard, it may be necessary to invert the Tx audio. This is done by putting a minus (-) sign in front of the Tx Vco Gain number (see Figure 3-13). If the tone is heard then Tx calibration is complete. PCCT writes the Tx calibration settings to the Channel Card when the PCCT application is closed. Figure 3-13 Configure Tx Window: Minus Sign for Tx Vco Gain 3.10 Rx Calibration Receive calibration adjusts the P25net CC audio input level to match the radio line audio output level and calibrates the P25net CC for the RSSI signal from the receiver. 3.10.1 Equipment Setup Connect the equipment as shown in Figure 3-14. 3-12 P25net Channel Controller Operations Manual Radio Under Calibration Aeroflex 3920 Rx Tx T/R 50 ohm coax 50 ohm coax P25CC Radio Interface Cable 50 ohm dummy load P25CC CAT 5 PCCT Calibration Software PC Figure 3-14 Rx Calibration Set-up 3-13 P25net Channel Controller Operations Manual 3.10.2 Initial Steps 3.10.2.1 Configure the test set for analog duplex mode and set the generator to produce a 1200Hz sine wave with a peak deviation of 2.827kHz at the receiver frequency. 3.10.2.2 In PCCT go to the Configure >Rx and Tx Manual window and set default values for the Rx parameters as shown in Figure 3-15. Check the Enable Editing boxes for entering parameters. Figure 3-15 Configure Tx and Rx (Manual) Window 3-14 P25net Channel Controller Operations Manual 3.10.3 RSSI Calibration 3.10.3.1 Set the test set for -123dBm generator level and turn on the generator. 3.10.3.2 Start the PCCT oscilloscope and adjust the RSSI Offset so the trace on the oscilloscope is centered around -20000 (See Figure 3-16). Figure 3-16 RSSI Low Level 3.10.3.3 Turn off the generator and verify the RSII level is unchanged. 3-15 P25net Channel Controller Operations Manual 3.10.3.4 Turn off the generator and change the level to -118dBm. Turn on the generator and verify RSSI goes to 30000 or above on the oscilloscope

(Figure 3-17). Figure 3-17 RSSI High Level 3.10.3.5 Turn off the generator; RSSI settings will be saved when exiting PCCT. 3.10.4 Rx Calibration 3.10.4.1 From the Configure>Rx and Tx Manual screen set the following to default values:

Rx Gain to 15 Rx Offset to 30 3-16 P25net Channel Controller Operations Manual 3.10.4.2 Set the generator on the test set to -60dBm. 3.10.4.3 Check the Rx beam box and start the oscilloscope on PCCT. 3.10.4.4 Adjust the Rx Offset so the mean of the observed sine wave is centered as close as possible about zero. Adjust the Rx Gain so that the signal peaks are slightly less than +20000 and -20000 (See Figure 3-18). Figure 3-18 Rx Gain and Offset Adjustment 3-17 P25net Channel Controller Operations Manual 3.10.4.5 Go to the Configure>Rx (Automatic) window and select trigger on RSSI

(2000). 3.10.4.6 Hit Trigger, Calculate, and Save to calculate and store the coefficients for Rx Scale Factor and Offset (Figure 3-19). Figure 3-19 Configure Rx Automatic: RSSI Trigger 3-18 P25net Channel Controller Operations Manual 3.10.5 Sync Calibration 3.10.5.1 Turn off test set generator. 3.10.5.2 Go to the Configure>Rx and Tx (Manual) window and set the trigger controls for Handset. 3.10.5.3 Press PTT on the Handset for a short transmission. 3.10.5.4 Hit Trigger and Find Sync. You should see the sync pulse as shown in Figure 3-20. Figure 3-20 Configure Rx (Automatic): Find Sync 3-19 P25net Channel Controller Operations Manual 3.10.5.5 If the Rx LED on the P25net CC channel lights when the Handset is in PTT hit the Save button to complete the sync calibration. 3.10.5.6 If the sync is not found, go back to the Configure >Rx (manual) window and enable editing. Place a negative (-) sign in front of the Rx Scale Factor and repeat the steps. 3.11 Load/Save Transceiver Configuration PCCT has a feature that allows saving the calibration settings for a radio as well as recalling them. This provides a short-cut around the full calibration procedure in most cases. Sometimes variation between radios and Channel Cards will require some fine adjustment of the tx/tx calibration. 3.11.1 Load/Save Config Window Open the Configure>Load/Save Config screen and select the transceiver to be loaded (See Figure 3-21 Load/Save Config Screen). Figure 3-21 Load/Save Config Screen 3-20 P25net Channel Controller Operations Manual 3.11.2 Default Radio Settings Loaded After loading a notification of the action will be displayed (see Figure 3-22 Default Settings Applied Screen). Figure 3-22 Default Settings Applied Screen 3.12 Fallback Mode The Fallback Mode can be enabled to provide conventional P25 repeater operation in the event that the BSC reboots or experiences a problem communicating with the P25net CC. Trunking will not be possible until BSC operation is restored. In addition, it is possible to operate the P25net CC as a conventional P25 repeater (sometimes referred to as a Dumb Repeater) without connecting a BSC; this requires enabling the Fallback Mode. To enable the Fallback Mode, enter PCCT and select Configure>Fallback Param (see Figure 3-23 Fallback Mode Enable Screen ) and place a check in the box. 3-21 P25net Channel Controller Operations Manual Figure 3-23 Fallback Mode Enable Screen 3-22

MM101383V2, Rev. B 4 INSTALLATION 10 In MASTR III base stations, the EAI01292V10 Power Amplifier is designed to replace the 19D902797G1 Power Amplifier and the Low Pass Filter Assembly. The EAI0I292V11 and EA101292V12 Power Amplifiers are designed to replace the 19D902797G20 and 19D902797G21 Power Amplifiers, respectively. Adjustable rack ears allow installation in all standard configurations as well as many non-standard configurations, without requiring modification of the rack. POWER AMPLIFIER OUTPUT CONNECTOR REAR MOUNTING RAIL ON CABINET/OPEN RACK

(BOTH SIDES) SAME HARDWARE AS SHOWN IN AASO-HRB 104 26 Figure 4-1: Standard Tall Rack Application (Top View) POWER AMPLIFIER QUTPLT CONNECTOR Figure 4-2; Standard 37-Inch Rack Application (Top View) Before beginning the installation of the Power Amplifier, check the rack configuration. As shipped, the unit is configured to mount directly in the standard 83-inch and 69-inch rack configurations without adjusting the rack ears (see Figure 4-1). For the standard 37-inch rack configuration, however, the rack ears need to be reversed as shown in Figure 4-2. To reverse the rack ears, simply remove the three retaining screws on each rack ear, reverse and reorient the rack ears, then replace and properly torque (30

+1 in. Ibs.) the retaining screws. MM101383V2, Rev. B In the standard configurations, the unit mounts on the rear rack rail, behind the T/R Shelf, with the fan facing the T/R Shelf and the front of the rack. This configuration protects the cabling against accidental damage, and provides adequate spacing in front of the fan to allow ample cooling airflow. For non-standard configurations, the ears can be offset and/or reversed, as needed, to allow sufficient clearance for the cables, surrounding equipment, and fan intake. Extra holes in the rack ears allow for mounting with a % inch offset, if necessary. When selecting a configuration, consider all cable routing carefully. The unit should be positioned to allow adequate clearance for all cables between the unit and surrounding equipment. {n particular, ensure the RF output coaxial cable does not require an excessively small bend radius and all cables are clear of sharp edges that could pierce the outer jacket. Also, be sure that the fan intake is not blocked. Once the unit is configured for mounting, the PA is ready for installation. Be sure that power to the station is turned off then connect the RF output cable to the PA. Next, connect the control cable to P103 on the T/R Shelf Interface Board, located on top of the T/R Shelf. Once the PA is mounted, it will be difficult to access the RF output connection. Ensure this critical connection is secure prior to mounting the PA. NOTE Ensure the power supply output voltage matches the rating of the Power Amplifier before applying power to the unit. CAUTION Connect the DC power cable to the station power supply, normally mounted just below the T/R Shelf. Ensure that the power supply output voltage matches the rating of the Power Amplifier before applying power to the unit. Finally, mount the Power Amplifier to the rack rail using four (4) standard rack screws. 1

MM22315, Rev. B 4. INSTALLATION The MASTR III PS103010 series Switching Power Supply is designed for MASTR III stations with 26VDC Power amplifiers. Before installation verify that the stations RF Power Amplifier is designed to operate with a nominal 24VDC power supply. Figure 4-1, Figure 4-2, and Figure 4-3 show the front and rear panel views of PS103010V1I20 and PS103010V240. The power supplies are identical in design, with exception of the front panel service receptacles found only on the PS103010V 120. Insure that ventilation holes in the unit are not obstructed when the unit is mounted and Operational. NOTE Ensure that the RF Power Amplifier input voltage rating matches the rating of the Switching Power Supply before installing the unit. Severe damage may occur to the station and the Power Supply if ratings do not match. CAUTION

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eT Figure 4-3: Rear Panel View, PS103010V120 and V240 10 MM22315, Rev. B Oe 4.1 INSTALLATION PREPARATION Installation and service is simplified through the use of connectors and common hardware components, During installation L-Brackets are installed to support the rear of the Switching Power Supply. FM103177V1 brackets are used to support the supply in 69 and 83 indoor cabinets, and the Open Rack. FM103177V2 brackets are used to support the supply in 37 indoor cabinets. Determine the type of cabinet and install the appropriate support brackets as shown in Figure 4-4 and Figure 4-5. REAR MOUNTING RAIL CN CABINET/OPEN RACK

{BOTH SIDES) CASINET/OPEN RACK POWER Y SUPPORT FW103177V1 EACH SIDE STATON POWER SUPPLY PS103010 TOP VIEW Figure 4-5: Mounting Bracket Configurations, 69/83 Indoor Cabinet and Open Rack 17 MM22315, Rev. B 4.2 4.3 RACK LOCATION When locating new equipment in rack mount assemblies it is important to follow all specified installation procedures to achieve proper air flow, wiring harness requirements, and maintain system integrity. Figure 4-6 provides rack mounting information to be followed when replacing the 19A149979P1 power supply with a PS103010V120 Switching Power Supply. The new supply should be mounted to the upper most rack position in the cabinet or open rail station. New installations should be installed as specified in the product's application assembly instructions. iF THE 1 RU. PS103010 POWER SUPPLY IS REPLACING THE PREVIOUS 3 R.U. POWER SUPPLY, POSITION (T AT THE TOP GF THE OPEN SPACE LEFT. OTHERWISE, PLACEMENT IS SPECIFIED AT THE APPUCATION ASSEMGLY LEVEL FRONT VIEW

(WITH DOORS REMOVED FOR CLARITY) Figure 4-6: Rack Mount Location WIRING INSTALLATION Be sure that the main AC power cord is unplugged from the AC mains and that no AC or DC power is present. Make sure the ON/OFF switch on the front panel is in the OFF position. Determine the proper mounting location for the power supply within the rack (refer to the appropriate base station manual). Attach the cable from the RF Power Amplifier to F801A on the rear panel. Next connect the DC Power Cable from the station T/R shelf to J801 on the rear panel. If utilizing the battery backup option, install the battery cables to the battery while observing proper polarity of all connections. Route the cables into the station as necessary but do not connect the battery to the power supply at this time. Remember to always follow general safety practices when working around high voltage and current power devices. Always remove any jewelry and wear safety goggles!

The backup battery network is a nominal 24VDC system. DO NOT attempt to connect a battery network rated less than 24VDC nominal. Typically this network of batteries consists of a minimum of two-l!2VDC batteries connected in series, or four-6VDC CAUTION batteries connected in series. Install the AC Power Cord to J802. Do not plug the AC power cord into the AC power source at this time. Be sure all cables are routed to prevent strain and damage to the connectors. 12 MM22315, Rev. B 4.4 4.5 4.6 Once the Power Supply is mounted, it may be difficult to access the rear panel connections. Ensure that all connections are secure prior to mounting the power NOTE supply. RACK INSTALLATION Installation and service is simplified through the use of connectors and common hardware components. After installing the support brackets to the rear of the Switching Power Supply, and connecting all associated wiring, install the power supply assembly into the cabinet as shown on the Assembly Diagram, AAS56-HRB 104 26, Sheet 2 and Sheet 3, found in the rear of this manual. BATTERY BACKUP Many choices exist when it comes to choosing the right battery for your specific application, Issues such as life expectancy, required periodic maintenance, Amp-Hour capacity, recharging life cycles and cost are just a few of the factors that go into choosing the right battery for the job. Three basic varieties of batteries are widely used for battery backup systems; Starting, Deep Cycle and Deep Cycle Marine. Further choices within these types of batteries include Wet Cell, Sealed Cell, Gel Cell, and various low maintenance designs. In general, Starting batteries are designed for short duration-high current applications such as when cranking an automobile. This type battery usually suffers a significantly reduced life cycle when fully discharged patterns of use occur. Deep Cycle batteries are designed to deliver a continuous current supply and survive repeated fully discharged patterns. Deep Cycle Marine batteries combine the advantages and disadvantages of both Starting and Deep Cycle batteries. Several general rules can be applied to estimate the charge time of a lead acid battery system. There is almost a 100% conversion of electrical energy to stored chemical energy for the first 80% of a battery's charging capacity. If usable capacity is defined to be at least 80 % of full charge, then the time to reach usable capacity is: T = 0.8 x AH/C, where T is in hours, AH is in Amp-Hours, and C is the average charge rate in amps. To charge the remaining 20 % to a full charge takes longer because the electrical energy is no longer close to 100 % conversion to stored chemical energy. The time to a fully charge a typical battery network can be estimated as, T = 1.1 x AH/C, where again T is in hours, AH is in Amp-

Hours, and C is the average charge rate in amps. Using this formula to estimate for a five amp charger. a standard 50 Amp-Hour battery network would recharge in 11 hours. Estimates can be provided for air time for a MIH station. Assuming a worst case scenario of a 100%

transmit duty cycle, the station air time with a 50 Amp-Hour battery would be approximately one hour and considerably longer for a smaller transmit duty cycle. TEST Careful attention should be given to stations utilizing the backup battery option. Before applying power to the power supply, if battery backup is utilized, verify the float voltage required by the battery manufacturer. Battery manufacturers usually specify a specific float voltage with regard to ambient room temperature and other factors. Adjustments should be made in accordance with the data supplied by the battery manufacturer. 13 MM22315, Rev. B 14 A potentiometer for adjusting the float voltage of the battery charging circuit is accessible through an opening in the top cover of the power supply assembly. Adjustments should only be made in accordance with the data supplied by the battery manufacturer. Damage may occur if the float voltage is not set per the batterys manufacturer specifications. Damage may occur if the float voltage is not set per the batterys manufacturer specifications. DO NOT set the battery float voltage above 26.4VDC unless there is supporting documentation from the battery manufacturer. CAUTION The power supply should now be ready to power up and test. Turn on the power supply using the front pane] ON/OFF switch. Measurements should be taken at F801A and J801 for proper operation. Detailed descriptions of each connection point can be found in Section 5.2: Adjustments and Connections. If utilizing battery backup, use an insulated 2mm flat tip tuning tool to adjust the float voltage in accordance with installation data supplied by the battery manufacturer. Then carefully connect the battery to J803. After the battery has had a reasonable charge, cycle test the battery backup by disconnecting the AC power input and check for normal station operation. Reconnect the AC power input and check that the station returns back to norma! AC operation. Also, the two front mounted 120VAC at 4 Amps max AC receptacles are only available on the PS103010V120, and are intended for use only as convenience outlets for service personnel. The use of these outlets for any other purpose is not recommended or supported by the manufacturer. The two front mounted (120VAC version only) service receptacles are only intended for use as convenience outlets for service personnel. Any other use IS NOT recommended. Also, it is not recommended to use the PS103010V120 in applications above the rated nominal input voltage of 120 VAC. The service receptacles on the front panel are passively connected to the AC input connector via board connections. No over-voltage protection or regulation is provided for the front panel receptacles. Severe damage to equipment connected to the receptacles, and personal injury may occur when the rated input voltage is exceeded. MM22315, Rev. B 5.2 5.1.3 Status Signaling (Alarm Output) Power supply provides a status indicator output. In the event of an AC power or fan failure this output can be used to provide signaling to alarm or status inputs within the MASTR III Base station. This output is designed to provide a positive feedback loop for alarm inputs. An Alarm status condition could also be generated by a loss of loop (wiring connections). This status indicator output monitors both the AC input and fan status. When proper AC power is present at the AC Input to the power supply, and the speed monitoring circuitry for both fans are satisfied. 26.5VDC will be present at J801-7. When no AC power is present at the AC Input J801-7 has OVDC present. The power supply is protected against over-voltage due to internal regulation failure. The output will latch "OFF" under this condition. The fault must be removed and the NOTE AC recycled to restore the DC outputs. 5.1.4 Ambient Temperature Protection Power Supply operation during conditions in excess of the specified ambient temperature may impair the performance of the power supply. The power supply is protected against operating in ambient conditions in excess of the specified ambient ratings. The power supply outputs will latch "OFF" before any damage occurs. ADJUSTMENTS AND CONNECTIONS The 27.2VDC and 13.6VDC power supply sections have no user adjustments. A potentiometer for adjusting the float voltage of the battery charging circuit is accessible through an opening in the top cover of the power supply assembly and can be tuned using an insulated 2mm flat tip tuning tool. Battery manufacturers usually specify a float voltage with regard to ambient room temperature and other factors. Adjustments should be made in accordance with the data supplied by the battery manufacturer. The rear panel connections are conveniently labeled as shown in Figure 5-1. Refer to the appropriate station manual for specific hookup instructions. All cable restraints and connector latches should be properly utilized to prevent accidental disconnection of cables, and to further reduce unnecessary stress on the cable and connector assemblies. Any cables or connectors showing signs of damage should be promptly replaced to prevent further damage to the power supply or other associated equipment,

.2.1 27.2VDC Connection (F801A) Power supply connections F801A-! (+Positive) and F801A-2 (-Negative) provide a 27.2VDC at 15 amps connection point. This output is typically used to power the RF Power Amplifier in MASTR III Base Stations. A 30 amp fuse (F2) is used as a secondary safety device in the event that the over-current protection circuit fails to protect the supply and connected equipment. However, the built-in over-current and over-

voltage protection circuit is the main protection device for this section of the power supply, and should provide adequate protection from most overload conditions. 16

MM101886V1, Rev. D MAINTENANCE MODULE DISASSEMBLY AND REASSEMBLY Refer to the following procedures for assembly and disassembly during test, alignment and/or module servicing. The ESD symbol calls attention to procedures, practices, or the like, which could

: expose equipment to the effects of Electro-Static Discharge. Proper precautions must 4 be taken to prevent ESD when handling circuit modules. eee 6.1.1 Module Disassembly 1, Use a T-15 Torx Screwdriver and remove the six (6) Torx screws from the top housing assembly as shown in Figure 6-1. 2. Carefully remove the top cover. Set aside the screws and top cover for future reassembly. 6.1.2 Module Reassembly 1. Carefully reinstall the top cover over the board as shown in Figure 6-1. 2. Reinstall the six (6) Torx screws previously removed from the top housing assembly as shown in Figure 6-1. Remove Screws {6 Places) Remove Cover EAOovI R_ OX F Figure 6-1: Module Disassembly and Reassembly 23 MM101886V1, Rev. D 6.2 TROUBLESHOOTING When troubleshooting the module, it is most convenient if the standard test fixture is used. The following conditions are with the module in the 25 kHz mode. This can be set up using a PC with the necessary software connected to the test box. Alternatively, a wire link can be soldered between TP205 and TP206 on the PC board. This forces the module to operate in the wideband (25 kHz) mode. IF amplifier transistor Q! has a nominal 8 dB gain. Transistor Q2 has a nominal gain of 8.5 dB. The mixer has about 14 dB voltage gain with proper LO injection. The proper crystal oscillator level is 130 mV p-p measured at TP102. The following four test points are provided on the PWB for additional test capability:

e =TPI: 70.7 mV p-p @ 21.4 MHz with -30 dBm input signal TP102: 130 mV p-p @ 20.945 MHz independent of input signal TP103: 460 mV p-p @ 455 kHz with -65 dBm input signal e TP108: 730 mV p-p @ 455 kHz with -75 dBm input signal NOTE: All RF voltages are measured with an oscilloscope and a 10 Mcgohm, |] pF, high impedance probe. Table 6-1: Troubleshooting Guide CHECK INCORRECT READING SYMPTOM INDICATES DEFECTIVE

(CORRECT READING SHOWN) Fe Metaeidbees Fault indicator | Check OC voltages: If OC voltages not correct on +8V @ U200,U205, Pin 3 U200,.U206 or assoc. components U103 or associated components RR

[Wino signal eppliedto module Fingut_ =| SSSSSCSCSC~S~~S~S Check crystal oscillator: BO TPS, 130 rive, 20.945 Mz Apply -30 dBm, 21.4 MHz input, check TP1, 170 mVp-p Q1, FL1, FL2 or associated components Apply -65 dBm, 21.4 MHz input, check TP103, Q2, FL3, FL4, U100, U107 or associated 460 mVp-p components Poor 12 dB Check crystal oscillator:

SINAD TP102, 130 mVp-p, 20.945 MHz Apply -30 dBm, 21.4 MHz input, check TP1, 170 mVp-p Qi, FL1, FL2, Y100, or associated components Apply -65 dBm, 21.4 MHz input, check TP103, Q2, FL3, FL4, U100, U107 or associated 460 mVp-p components No audio - no noise Noise only -

no demodulated f audio U107, Y100 or associated components 24 MM101886V1, Rev. D

| CHECK INCORRECT READING SYMPTOM INDICATES DEFECTIVE

(CORRECT READING SHOWN) COMPONENT No squelch _| With squelch pot maximum, or with module AUDIO/

function SQUELCH/HI connected to SQUELCH/ARM input and with no signal to module IF input:

Check Presence of 1 Vpk noise @ U203, Pin 7 | U203 or associated components Check presence of 1 Vpk noise U203 @ Pin 8 Check DC voltage U206 @ Pin 8: 7V g @ - L U206 or associated components Check DC voltage U206 @ Pin 14: 0.5V Otte Apply -75 dBm 21.4 MHz input, TP105, 120 mV] U102 or associated components Apply -75 dBm 21.4 MHz input, check J2, Pins A31

& A32, 1.4 Vp-p U108 or associated components 25 MM101886V1, Rev. D 7 TECHNICAL ASSISTANCE The Technical Assistance Center's (TAC) resources are available to help with overall system operation, maintenance, upgrades and product support. TAC is the point of contact when answers are needed to technical questions. Product specialists, with detailed knowledge of product operation, maintenance and repair provide technical support via a toll-free (in North American) telephone number. Support is also available through mail, fax and e-mail. For more information about technical assistance services, contact your sales representative, or contact the Technical Assistance Center directly at:

North America: 1-800-528-7711 international: 1-434-385-2400 Fax: 1-434-455-6712 E-mail: lac@tycoclectronics.com

MM102819V1, Rev. B 5. 5.1 5.2 MAINTENANCE SERVICE NOTES The following service information applies when aligning, testing. or troubleshooting the RX Synthesizer:

Aligning, troubleshooting and repair of the synthesizer module is best done with the TQ0650 RF Module Test Fixture (Model TS101285V11 only) and not in the station. The station is a vital part of the radio system and should remain operational and not taken out of operation while working on a module. For that reason, we recommend servicing the module off line using the RF Module Test Fixture. More information about the test fixture can be found in the RF Module Test Fixture manual MM101885V1 and Programming Guide MS102553 V1. e The RX Synthesizer is aligned or standardized to specific parameters so it can be installed or swapped with a module in a station with minimum station level settings. e Logic Levels:

Logic | = high = 4.5 to 5.5 Vdc Logic 0 = Low = 0 to 0.5 Vdc e The synthesizer is Jocked on frequency when the front pane! LED indicator is Off and a logic high is present on the Flag_2 line (J3 pin 12C). e Always verify synthesizer lock after each new data loading. TEST EQUIPMENT AND TOOLS REQUIRED

.2.1 Test Equipment e HP 8903B Audio Analyzer, or equivalent e Power Supply: +13.8V @ 500 mA e Power Supply: +12V @ 500mA e RF signal source for 12.8 MHz +20 Hz, 10 dBm reference e = =6Frequency Counter: | MHz - 250 MHz e Power Meter: -20 dBm to +13 dBm e Spectrum Analyzer: 0-1 GHz e M/A-COM RF Module Test Fixture TQ0650 (TS101285V 11) (replaces power supplies listed above) e Personal computer and MASTR III RF Module Alignment software for synthesizer loading 17 MM102819V1, Rev. B windows NT 40 Pentium Il 90 MHz 128 Megabytes 128 Megabytes 160 Megabytes 160 Megabytes CD-ROM CD-ROM 1 LPT (Parallel Port) 1 LPT (Parallel Port) Version 5.01 or higher | Version 5.01 or higher Processor Speed RAM for Windows Hard Drive Space Microsoft Internet Explorer Version 5.01 or higher

.2.2 Tools

= Torx screwdriver (T15) e Allen Hex Key Set (3/32") or 3/8" common screwdriver with fine tip e 1/8" common screwdriver or tuning tool e ESD protection equipment 5.3 SETUP 5.3.1 Connect to Text Fixture 1. Connect the RX Synthesizer to the RF Test Fixture as shown in Figure 5-1, 2. Connect the PC computer to JI 1 on the test fixture. 3. Run the MASTR III RF Module Alignment program on the PC. PREQ COUNTER WALL MOUNT PSU Jt3 J10 a a2 s18 TP1-1P3 RECEIVE SYNTHESIZER RF MODULE TEST FIXTURE

(TQ0660) Figure 5-1: Initial Test Setup 12 MM102819V1, Rev. B 5.4 _

. ec PN Dw es WH b& WY NH

.3.2 Initialization 1. Apply power to the test fixture. 2. Verify that the unlock indicator (CR1) is ov and that Flag_2 (J1, pin 12C) is fow. 5.3.3 Current Consumption 1. Measure the current on the +13.8 VDC supply on connector JI (pins Al6, B16, & C16). Ne Verify the current is less than 200 mA. 3, Measure the current on the +!2 VDC supply on connector Ji (pins AIS, B15, & CIS). 4, Verify the current is less than 50 mA. TEST PROCEDURE 5.4.1. Reference Oscillator Ground the Int Osc signal (JI, Pin A1). Connect the Power Meter to J3. Verify that there is no output at J3. Apply an external reference signal (12.8 MHz @ 10 dBm +1 dB) to the Ext Ref In connector (J4). Verify that the output level at J3 is 0 dBm 3 dB. Change the external reference signal to 5 MHz. Verify that the output level at J3 is 0 dBm +3 dB. Change the external reference signal to 19.2 MHz. Verify that the output level at J3 is 0 dBm +3 dB. Remove the ground from the Int Osc signal (J1 pin Al). Measure the output power of the reference oscillator output (J3). Verify that the power out is 0 dBm +3.0 dB. Connect the Frequency Counter to J3. Adjust YI for an output frequency of 12.8 MHz +5 Hz. 13