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| 1 | manual | Users Manual | 859.81 KiB | / April 05 2011 |
Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Version 1.0 FreeWave Technologies, Inc. 1880 South Flatiron Court Boulder, CO 80301
(303) 444-3862
(303) 786-9948 Fax www.FreeWave.com LUM0031AA Version 1.0 i Global Transceiver Module (GXM) Wireless Data Transceiver User Manual SPREAD SPECTRUM WIRELESS DATA TRANSCEIVER USER MANUAL WARRANTY FreeWave Technologies warrants your FreeWave Wireless Data Transceiver against defects in materials and manufacturing for a period of two years from the date of shipment. In the event of a Product failure due to materials or workmanship, FreeWave will, at its option, repair or replace the Product. The Product must be returned to FreeWave upon receiving a Return Material Authorization
(RMA) for evaluation of Warranty Coverage. In no event will FreeWave Technologies Inc., its suppliers, and its licensors be liable for any damages arising from the use of or inability to use this Product. This includes business interruption, loss of business information, or other loss which may arise from the use of this Product. Please be advised that OEM customers warranty periods may vary. Warranty Policy may not apply:
1. 2. 3. If Product repair, adjustments or parts replacements is required due to accident, neglect, unusual physical, electrical or electromagnetic stress. If Product is used outside of FreeWave specifications. If Product has been modified, repaired or altered by Customer unless FreeWave specifically authorized such alterations in each instance in writing. This includes the addition of conformal coating. Special Rate Replacement Option A special rate replacement option is offered to non-warranty returns or upgrades. The option to purchase the replacement unit at this special rate is only valid for that RMA. The special replacement rate option expires if not exercised within 30 days of final disposition of RMA. RESTRICTED RIGHTS Any product names mentioned in this manual may be trademarks or registered trademarks of their respective companies and are hereby acknowledged. Information in this manual is subject to change without notice and is proprietary and confidential to FreeWave Technologies, Inc. This manual is for use by purchasers and other authorized users of the FreeWave Wireless Data Transceiver only. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, or for any purpose without the express written permission of FreeWave Technologies, Inc. FreeWave Spread Spectrum Wireless Data Transceivers are designed and manufactured in the United States of America. Printed in the United States of America. Copyright 2011 by FreeWave Technologies, Inc. All rights reserved. Published 2011. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 ii Global Transceiver Module (GXM) Wireless Data Transceiver User Manual This product is licensed by The United States. Diversion contrary to U.S. law is prohibited. Shipment or re-export of this product outside of The United States may require authorization by the U.S. Bureau of Export Administration. Please contact FreeWave Technologies for assistance and further information. UL NOTIFICATION Models GXM-T14, GXM-T24, GX-C, GX-T, GXM-MR-T, GXM-MR-R are suitable for use in Class 1, Division 2, Groups A, B, C, and D or non-hazardous locations only. Input voltage for the above models is 3.3 5 volts DC. FCC NOTIFICATIONS This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference and 2) this device must accept any interference received, including interference that may cause undesired operation. This device must be operated as supplied by FreeWave Technologies, Inc. Any changes or modifications made to the device without the express written approval of FreeWave Technologies may void the user's authority to operate the device. CAUTION:
The GXM transceivers have a maximum transmitted output power of 500mW. It is recommended that the transmit antenna be kept at least 20 cm away from nearby persons to satisfy FCC RF exposure requirements. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, no guarantee shall be made that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Note: Whenever any FreeWave Technologies module is placed inside an enclosure a label must be placed on the outside of that enclosure which includes the module's FCC ID. IC NOTIFICATIONS This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Ce dispositif est conforme aux normes permis-exemptes du Canada RSS d'industrie. L'opration est sujette aux deux conditions suivantes : (1) ce dispositif peut ne pas causer l'interfrence, et (2) ce dispositif doit accepter n'importe quelle interfrence, y compris l'interfrence qui peut causer le fonctionnement peu dsir du dispositif. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 iii Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Table of Contents APPROVED ANTENNAS FOR USE WITH GXM FAMILY OF RADIOS.........................................................7 ABOUT FREEWAVE TRANSCEIVERS.................................................................................................................8 CHOOSING POINT-TO-POINT OR POINT-TO-MULTIPOINT OPERATION...............................................9 QUICK START ON A POINT-TO-MULTIPOINT NETWORK ........................................................................10 POINT-TO-MULTIPOINT OPERATION LED'S. ...........................................................................................................10 QUICK START ON A POINT-TO-POINT NETWORK......................................................................................11 POINT-TO-POINT OPERATION LEDS........................................................................................................................11 CHOOSING A LOCATION FOR THE TRANSCEIVERS..................................................................................12 SETTING UP THE TRANSCEIVER USING HYPERTERMINAL ...................................................................13 ACCESSING HYPERTERMINALS SETUP MENU .........................................................................................................13 CONNECTING AND DISCONNECTING FROM HYPERTERMINAL...................................................................................16 TROUBLESHOOTING HYPERTERMINAL.....................................................................................................................17 SETTING UP A TRANSCEIVER ...........................................................................................................................18 OPERATION MODE....................................................................................................................................................18 SET OPERATION MODE.............................................................................................................................................20 BAUD RATE..............................................................................................................................................................21 SET BAUD RATE.......................................................................................................................................................21 Modbus RTU Timing............................................................................................................................................23 EDIT CALL BOOK .....................................................................................................................................................24 Programming Point-to-Point Extended Call Book to Use Three or Four Repeaters ..........................................25 Programming Point-to-MultiPoint Call Book .....................................................................................................26 Programming Point-to-MultiPoint Extended Call Book .....................................................................................26 RADIO TRANSMISSION CHARACTERISTICS ...............................................................................................................27 EDIT RADIO TRANSMISSION CHARACTERISTICS.......................................................................................................27 FreqKey ...............................................................................................................................................................27
(0) Hop Table Version .........................................................................................................................................28
(1) Hop Table Size ...............................................................................................................................................28
(2) Hop Freq Offset .............................................................................................................................................28
(3) 2.4GHz Frequency Zone ................................................................................................................................28
(4) Government Rules..........................................................................................................................................30
(1) Max Packet Size and (2) Min Packet Size......................................................................................................30
(3) Xmit Rate........................................................................................................................................................32
(4) RF Data Rate .................................................................................................................................................32
(5) RF Xmit Power...............................................................................................................................................32
(6) Slave Security.................................................................................................................................................32
(7) RTS to CTS.....................................................................................................................................................32
(8) Retry Time Out...............................................................................................................................................33
(9) Lowpower Mode.............................................................................................................................................34
(A) High Noise.....................................................................................................................................................34
(B) MCU speed ....................................................................................................................................................35
(C) Remote LED ..................................................................................................................................................35 SHOW RADIO STATISTICS.........................................................................................................................................36 Number of Disconnects........................................................................................................................................36 Antenna Reflected Power.....................................................................................................................................36 iv Version 1.0 LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Transmit Current (mA) ........................................................................................................................................37 Average Noise Level ............................................................................................................................................37 Average Signal Level ...........................................................................................................................................37 Overall Rcv Rate (%)...........................................................................................................................................37 Radio Temperature..............................................................................................................................................37 MULTIPOINT PARAMETERS ......................................................................................................................................38 EDIT MULTIPOINT PARAMETERS..............................................................................................................................38
(0) Number Repeaters..........................................................................................................................................38
(1) Master Packet Repeat ....................................................................................................................................38 Master Packet Repeat in MultiPoint Networks with Repeaters...........................................................................39
(2) Max Slave Retry .............................................................................................................................................39
(3) Retry Odds .....................................................................................................................................................39
(4) DTR Connect..................................................................................................................................................40
(5) Repeater Frequency .......................................................................................................................................40
(6) Network ID.....................................................................................................................................................40
(8) MultiMaster Synch .........................................................................................................................................40
(9) 1 PPS Enable/Delay.......................................................................................................................................40
(A) Slave/Repeater...............................................................................................................................................41
(B) Diagnostics....................................................................................................................................................41
(C) Subnet ID.......................................................................................................................................................41
(D) Radio ID........................................................................................................................................................43
(E) Local Mode....................................................................................................................................................43
(G) Radio Name...................................................................................................................................................43 OVERLAPPING MULTIPOINT NETWORKS ..................................................................................................................44 PASSWORDS .............................................................................................................................................................44 Setting a Password ..............................................................................................................................................44 Changing a Password..........................................................................................................................................44 Disabling a Password..........................................................................................................................................45 TIME DIVISIBLE MULTIPLE ACCESS (TDMA) ..........................................................................................................45 ADDITIONAL SETTINGS ............................................................................................................................................45 Low Baud Rates...................................................................................................................................................45 Setup Timeout ......................................................................................................................................................45 FACTORY DEFAULT SETTINGS.........................................................................................................................46 EXAMPLES OF DATA COMMUNICATION LINKS .........................................................................................47 ADDITIONAL TRANSCEIVER INFORMATION...............................................................................................50 BOARD LEVEL PINOUT MODEL #GXM-T14..........................................................................................................51 BOARD LEVEL PINOUT MODEL #GXM-T24..........................................................................................................52 GXM SPECIFICATIONS .............................................................................................................................................53 GXM MECHANICAL DRAWING ................................................................................................................................54 FREEWAVE TECHNICAL SUPPORT .................................................................................................................55 LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 v Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Approved Antennas for use with GXM family of radios The following antennas have been approved by the FCC for use with the GXM family of radios. Antennas having a greater gain than those listed here MUST be approved separately by the FCC before use. This radio transmitter (FreeWave Technologies GXM family) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Cet metteur radiolectrique (famille de GXM de FreeWave Technologies) a t approuv par Industry Canada pour fonctionner avec les types d'antenne numrs ci-dessous avec le gain permis maximum et l'impdance exige d'antenne pour chaque type d'antenne indiqu. Des types d'antenne non inclus dans cette liste, ayant un gain plus grand que le gain maximum indiqu pour ce type, sont strictement interdits pour l'usage avec ce dispositif. WaveLink Model # PRO2400-4 Type: Yagi Nominal Gain (dBi) 4 Nominal Impedance: not specd MaxRad Model # MUF24005 Type: Omni Nominal Gain (dBi) 5 Nominal Impedance: 50 Ohms LUM0031AA Version 1.0 7 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual About FreeWave Transceivers FreeWave transceivers operate in virtually any environment where data communications occur. The radios act as data transmission devices, duplicating data in either a Point-to-Point mode (one data transmitter to 1 data receiver) or Point-to-Multipoint mode (1 data transmitter to multiple data receivers). LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 8 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Choosing Point-to-Point or Point-to-MultiPoint Operation A Point-to-Point network is limited to one Master and one Slave transceiver. Up to 4 Repeaters may be added to extend the reach of the network, but no other Master or Slave may be added. In a Point-to-MultiPoint network (also referred to as MultiPoint network) the transceiver, designated as a Master, is able to simultaneously communicate with numerous Slaves. In its simplest form, a MultiPoint network functions with the Master broadcasting its messages to all Slaves and the Slaves responding to the Master when given data by the device connected to the data port. It is important to note the differences between Point-to-Point and MultiPoint networks. In a Point-to-Point network all packets are acknowledged, whether sent from the Master to the Slave or from the Slave to the Master. In a MultiPoint network, outbound packets from the Master or Repeater to Slaves or other Repeaters are sent a set number of times determined by the user. The receiving transceiver, Slave or Repeater, will accept the first packet received that passes the 32 bit CRC. However, the packet is not acknowledged. On the return trip to the Master, all packets sent are acknowledged or retransmitted until they are acknowledged. Therefore, the return link in a MultiPoint network is generally very robust. Traditionally, a MultiPoint network is used in applications where data is collected from many instruments and reported back to one central site. As such, the architecture of such a network is different from Point-
to-Point applications. The number of radios in a MultiPoint network is influenced by the following parameters:
1. Size of the blocks of data. The longer the data blocks, the smaller the network capacity. 2. Baud rate. 3. The amount of contention between Slaves. Polled Slaves vs. timed Slaves. 4. Use of Repeaters. Using the Repeater setting in a MultiPoint network will decrease overall network capacity by 50%. For example, if the network will be polling Slaves once a day to retrieve sparse data, several hundred Slaves could be configured to a single Master. However, if each Slave will be transmitting data at greater levels, then fewer Slaves should be linked to the Master. The overall network will be closer to capacity with fewer Slaves. For examples and additional information on data communication links, see the section Examples of Data Communication Links later in this document. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 9 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Quick Start on a Point-to-MultiPoint Network The following is a quick start guide for setting up two transceivers in Point-to-MultiPoint mode. This mode allows for a Master to communicate with several Repeaters and Slaves simultaneously. Connect the transceiver to the serial port of a computer either through a serial cable or via the diagnostics cable. Make sure to connect the radio to a power source (3.3 to 5 VDC). Open up a Hyper Terminal session. Use the following settings in connecting with hyper terminal Connect to COMx (where 'x' is the number of the com port being used) Set data rate to 19,200, data bits - 8, Parity- none, Stop bits 1, Flow control none. Press the Setup button on the radio. If using the diagnostics cable, press Shift-U (capital U). The three lights on the board should all turn green, indicating Setup mode. The main menu will appear on the screen. Press 0 to get into the Operation Mode menu. Press 2 to set the radio as a point to MultiPoint Master. OR, Press 3 to set the radio as a point to MultiPoint Slave. Press Esc to get back to Main menu. The baud rate must be set to match the baud rate of the device to which the radio is to be attached. Press 1 in the main menu to view the Baud Rate. Press Esc to get back to Main menu. At the Main Menu, press 3. Set FreqKey, Max Packet Size, Min Packet Size, RF Data rate identical on all radios in the network. Note: Changing these values may help to eliminate interference from other FreeWave networks. Press Esc to get back to Main menu. At the Main Menu, press 5. Set the Network ID value to any value between 1 and 4095, except 255. Make sure this value is the same on every radio in the network. Point-to-MultiPoint Operation LED's. 1. 2. 3. 4. 5. 6. 7. Condition Carrier Detect
(CD) Solid red bright Solid red bright Solid red bright Solid green RCV data or Solid red bright Solid red bright Master Transmit
(TX) Solid red dim Solid red dim Solid red dim Solid red dim Solid red dim Clear to Send (CTS) Off Off Off Intermittent flash redo Intermittent flash redo Carrier Detect
(CD) Solid red bright Solid green Solid green Solid green Solid green Slave Transmit
(TX) Off Off Off Clear to Send
(CTS) Blinking red
* Solid red bright Carrier Detect
(CD) Solid red bright Solid green
* Solid red bright Solid green Repeater Transmit
(TX) Clear to Send (CTS) Off Solid red dim Solid red dim Blinking red
* Solid red bright
* Solid red bright Intermittent flash redo Intermittent flash redo
* Solid red bright Solid green Solid red bright
* Solid red bright
* Solid red bright Solid green Solid red bright
* Solid red bright Powered, not linked Repeater and Slave linked to Master, no data Repeater and Slave linked to Master, Master sending data to Slave Repeater and Slave linked to Master, Slave sending data to Master Master with diagnostics program running
* In an idle condition, Clear to Send LED will be solid red with a solid link, as the link weakens the Clear to Send LED light on the Repeater and Slave will begin to flash. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 10 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Quick Start on a Point-to-Point Network When purchased as a pair, the FreeWave Wireless Data Transceivers are shipped from the factory pre-
configured with most of the settings to operate in Point-to-Point applications. To establish communications between a pair of FreeWave Wireless Data Transceivers just received from the factory:
1. Connect the transceiver to the instrument with the data cable and also attach power. 2. Set the Modem mode in each transceiver. One should be set as a Point-to-Point Master (Mode 0) and the other set as a Point-to-Point Slave (Mode 1). 3. Set the baud rate on each transceiver to match the baud rate of the instrument to which it is attached. Please note, when setting the transceiver's baud rate, its data port baud rate is set. The baud rate does not have to be on the same setting for the two transceivers. 4. Edit the Call Book. Enter the Slave serial number in the Masters Call Book. Enter the Masters Serial number in the Slaves Call Book, or disable Slave Security (in the Slave). 5. Connect an antenna to each of the transceivers. Any unlicensed band FreeWave transceiver may be operated without an antenna for bench-top testing without concern for damaging the product. Noise potential may be reduced on the bench by lowering the Transmit power. 6. Shortly after both transceivers are plugged in, they should establish a communications link with each other and the connection is complete. Using the table below, verify that the radios are operating as expected. Point-to-Point Operation LEDs Master Transmit
(TX) Clear to Send (CTS) Carrier Detect (CD) Carrier Detect
(CD) Solid red bright Solid green Solid red bright Solid red bright Solid red bright Intermittent flash redo Solid red dim Intermittent flash redo Solid red bright Condition Powered, no link Linked, no Repeater, sending sparse data Master calling Slave through Repeater Master linked to Repeater, not to Slave Repeater linked to Slave Flashing orange Solid red dim Solid red bright Solid green Intermittent flash redo Intermittent flash redo Blinking red Mode 6 - waiting for ATD command Solid red bright Off Setup Mode Solid green Solid green Solid green Slave Transmit
(TX) Clear to Send (CTS) Off Blinking red Carrier Detect
(CD) Solid red bright Repeater Transmit
(TX) Clear to Send (CTS) Off Blinking red n/a n/a n/a Intermittent flash redo Off Intermittent flash redo Blinking red Solid red bright Off Blinking red Off Blinking red Solid red bright Solid red dim Solid red bright Intermittent flash redo Off Intermittent flash redo Blinking red Solid green Intermittent flash redo Intermittent flash redo n/a n/a n/a Solid green Solid green Solid green Solid green Solid green Solid red bright Solid green Solid red bright Solid red bright Solid green Solid red bright Solid green LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 11 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Choosing a Location for the Transceivers Placement of the FreeWave transceiver is likely to have a significant impact on its performance. The key to the overall robustness of the radio link is the height of the antenna. In general, FreeWave units with a higher antenna placement will have a better communication link. In practice, the transceiver should be placed away from computers, telephones, answering machines and other similar equipment. To improve the data link, FreeWave Technologies offers directional and Omni directional antennas with cable lengths ranging from 3 to 200 feet. When using an external antenna, placement of that antenna is critical to a solid data link. Other antennas in close proximity are a potential source of interference; use the Radio Statistics to help identify potential problems. The Show Radio Statistics page is found in option 4 in the Main Menu. An adjustment as little as 2 feet in antenna placement can resolve some noise problems. In extreme cases, such as when interference is due to a Pager or Cellular Telephone tower, the band pass filters that FreeWave offers, may reduce this out-of-band noise. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 12 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Setting up the Transceiver using HyperTerminal Note: The terms Modem and Transceiver are used interchangeably in this manual and in the text of the Setup menu. While the words have different meanings, the two terms should be treated as one and the same when referring to FreeWave products. Once the transceiver is powered and connected with the programming cable to the programming computer, it can be programmed for use through HyperTerminal or a similar terminal window program. The following describes how to set HyperTerminal to program the transceivers. Accessing HyperTerminals Setup Menu Note: The following screen shots are taken from a computer using Windows XP. The display may vary slightly if using different operating systems. 1. Click on the Start button. A cascading menu appears. Select Programs, Accessories, Communications and then HyperTerminal. A window appears similar to the following:
LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 13 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual 2. Double-click on the Hypertrm.exe icon. The following window appears. 3. In the Name text box, type in a descriptive name. Select an icon from the Icon selection box. 4. Click on the OK button. The following Connect To dialog box appears:
5. Select the connection type to be used from the Connect using drop-down menu. In most cases the connection type will be either Direct to Com1 or Direct to Com2. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 14 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual 6. Click on the OK button. The Properties dialog box appears for the selected connection type. The following are the port settings which must be set for a proper connection:
Port Setting Bits per second Data bits Parity Stop bits Flow control Menu Option to Select 19200 8 None 1 None 7. After selecting the appropriate menu items for each setting, click on the OK button. The following HyperTerminal dialog box appears:
LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 15 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual 8. To connect HyperTerminal to the transceiver, briefly short Pin 2 of the 14-pin I/O port or Pin 8 of the 24-pin I/O port on the FreeWave transceiver to ground. If connected to the diagnostics pins, type U (Capital U) to invoke the Setup menu. When Setup is invoked, the FreeWave Setup Main Menu will display in the HyperTerminal dialog box. All three LEDs on the transceiver will light green and stay green as long as the transceiver is in the Setup mode. 9. Save the HyperTerminal connection settings by selecting Save from the File menu. IMPORTANT NOTE: Whenever a change is made to the HyperTerminal settings in an open terminal session, the connection must be disconnected then reconnected before the settings will take effect. Connecting and Disconnecting from HyperTerminal The HyperTerminal dialog box displays several icons in the toolbar. To reconnect to HyperTerminal, click on the Disconnect been saved they must be reselected when HyperTerminal reconnects to the transceiver. icon, and then click on the Call icon to reconnect. If the settings have not LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 16 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Troubleshooting HyperTerminal The following are some common issues encountered while using HyperTerminal. 1. Nothing appears on the screen after shorting the Interrupt pin (Pin 2 on the 14-pin connector, pin 8 on the 24-pin connector) on the transceiver to ground. This usually indicates one of two things; either the wrong COM port is selected or a null modem RS-232 cable is being used. Follow the steps below to change the COM ports. 1. Click on the Disconnect button. 2. Select Properties from the File menu. 3. Click on the Connect To tab and verify that the correct Com port is selected. 4. Click on the OK button to close the Properties dialog box. 5. Click on the Call button. 6. Return the transceiver to Setup mode. The Setup menu screen should appear. 2. Gibberish appears on the screen after shorting the Interrupt pin (Pin 2 on the 14-pin connector, pin 8 on the 24-pin connector) Pin 2 to ground. This usually indicates a Baud Rate problem. Follow the steps below to change the Baud Rate. Gibberish BEFORE the Setup button is pressed indicates Diagnostics is enabled and HyperTerminal is connected to the Diagnostics pins.. 1. Click on the Disconnect button. 2. Select Properties from the File menu. 3. Click on the Configure button. 4. Change the Baud Rate to 19200 and click on the OK button. 5. Click on the OK button to close the Properties dialog box. 6. Click on the Call button. 7. Return the transceiver to Setup mode. The Setup menu screen should appear. 3. The Setup menu appears on the screen, but nothing happens when keys on the keyboard are pressed. This usually indicates flow control is turned on in a three-wire connection (Rx, Tx & Gnd). Follow the steps below if the connection uses a three-wire connection. 1. Click on the Disconnect button. 2. Select Properties from the File menu. 3. Click on the Configure button. 4. Change the Flow Control to None and click on the OK button. 5. Click on the OK button to close the Properties dialog box. 6. Click on the Call button. 7. Return the transceiver to Setup mode. The Setup menu screen should appear. 4. A connection exists, data is being received through HyperTerminal, and some data is correct, but the remaining data is in unrecognizable characters. This usually indicates a parity mismatch. To resolve this issue, ensure that the parity of the transceiver and the parity of HyperTerminal are set the same. HyperTerminals parity settings are under Properties and the FreeWave parity is found under the Baud Rate in the Setup mode. 1. Click on the Disconnect button. 2. Select Properties from the File menu. 3. Click on the Configure button. 4. Change the Parity to None and click on the OK button. 5. Click on the OK button to close the Properties dialog box. 6. Click on the Call button. 7. Return the transceiver to Setup mode. The Setup menu screen should appear. For additional troubleshooting for HyperTerminal, call FreeWave Technical Support at (303) 381 9200. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 17 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Setting up a Transceiver Note: Once Setup mode has been invoked in HyperTerminal, the process of exiting Setup mode involves pressing the Escape (Esc) key several times, allowing the transceiver to connect to the network. Otherwise, cycling the power is the alternative way to exit Setup mode. Note: Do not hot plug radios to cycle power as this may cause damage to the circuitry and render the radio unusable. Firmware version Transceivers unique serial number Setup Menu Options The following section describes in detail how to use all of the Setup menu options to edit the operational parameters and view the performance data. Operation Mode The Operation Mode option designates the method FreeWave transceivers use to communicate with each other. FreeWave transceivers operate in a Master to Slave configuration. Before the transceivers can operate together, they must be set up to properly communicate. In a Point-to-Point configuration, Master or Slave Mode may be used on either end of the communication link without performance degradation. When setting up the transceiver, remember that a number of parameters are controlled by the settings in the Master. Therefore, deploying the Master on the communications end where it will be easier to access is advised, but not necessary. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 18 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Operation Mode Description Point-to-Point Master (0) This mode designates the transceiver as the Master in Point-to-Point mode. The Master may call any Slaves designated in its Call Book. In Point-to-Point mode the Master determines the settings used for most of the radio transmission characteristics, regardless of the settings in the Slave and/or Repeaters. The settings not determined by the Master are: RF Xmit Power, Slave Security, Retry Time Out, and the Hop Table settings. This mode designates the transceiver as a Slave in Point-to-Point mode. The Slave communicates with any Master in its Call Bookeither directly or through up to four Repeaters. When functioning as a Slave, the Entry to Call feature in the transceivers Call Book is not operational. The Call Book may be bypassed in the Slave by setting Slave Security to 1. See the Slave Security section later in this manual. This mode designates the transceiver as a Master in MultiPoint mode. This mode allows one Master transceiver to communicate simultaneously with numerous Slaves and Repeaters. A Point-to-MultiPoint Master communicates only with other transceivers designated as Point-to-MultiPoint Slaves or Point-to-MultiPoint Repeaters. This mode designates the transceiver as a Slave in MultiPoint mode. This mode allows the Slave to communicate with a MultiPoint Master. The Slave may communicate with its Master through one or more Repeaters. This mode designates the transceiver to act as either a Slave or Repeater depending on the instructions from the Master. The transceiver cannot act as both a Slave and a Repeater at the same time. True Slave/Repeater functionality is only available in a MultiPoint mode. Note: Repeaters have no security features. When a transceiver is designated a Point-to-Point Slave/Repeater, any Master may use it as a Repeater. FreeWave allows the use of up to four Repeaters in a Point-to-Point communications link, significantly extending the operating range. When designated as a Repeater, a transceiver behaves as a pass-through link. All settings for the call book, baud rates and radio transmission characteristics are disabled. A Repeater will connect with any Master that calls it. The Repeater must be set up properly in the Master's call book. Mode 6 allows the transceiver to be controlled entirely through software commands. A number of key parameters in the user interface may be changed either directly (with a program such as HyperTerminal) or through the use of script files. Additionally, when the Point-to-Point Slave/Master Switchable option is selected and the transceiver is not calling a Slave, it will function as a Slave and accept any appropriate calls from other transceivers. See Application note
#5476 Mode 6 to use Mode 6. This option allows the transceiver to operate as a Repeater in a MultiPoint network. See the MultiPoint parameters section for details on enabling MultiPoint Slave/Repeater mode. See FreeWave Application note #5424 SEL Mirrored Bits Comm for information on Mirrored Bit Communication. This menu is not utilized in the GXM. Point-to-Point Slave (1) Pointto-
MultiPoint Master
(2) Point-to-
MultiPoint Slave
(3) Point-to-Point Slave/Repeater
(4) Point-to-Point Repeater (5) Point-to-Point Slave/Master Switchable (6) Point-to-
MultiPoint Repeater (7) Mirrorbit Master(A) Mirorbit Slave (B) Ethernet Options
(F) LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 19 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Set Operation Mode 1. Selecting 0 Set Operation Mode from the Main Menu displays the following window:
Current Operation Mode 2. Select the appropriate operation mode by typing the associated number or letter after Enter Choice. 3. When the selection is accepted, the Set Modem Mode menu will refresh and display the updated mode. 4. Press the Esc key once to return to the Main Menu. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 20 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Baud Rate This setting is the communication rate between the transceiver and the instrument to which it is connected. It is important to note that this is independent of the baud rate for the other transceiver(s) in the network. For example, a pair of transceivers may be used in an application to send data from remote process instrumentation to an engineer's computer. In this application, the baud rate for the transceiver on the instrumentation might be set to 9600, and the transceiver on the engineers computer might be set to 57,600. Set Baud Rate 1. Selecting 1 Set Baud Rate from the Main Menu displays the following window. Current Baud Rate 2. Select the appropriate baud rate or option by typing in the associated number or letter after Enter Choice. As this is the baud rate for the data port, it must match the baud rate of the device attached to the transceiver. 3. When the selection is accepted, the Set Baud Rate menu will refresh and display the updated mode. 4. Press the Esc key to return to the main Setup menu. Note: The Setup Baud Rate will ALWAYS default to 19,200 Baud no matter what the data port Baud Rate is set to. The only exception would be Mode 6, see Application Note #5476 Mode 6 for more information about Mode 6. Note: With a Baud Rate setting of 38400 or higher, it is recommended that the Flow Control lines be used. See the Board Level Pinout section (p. 51) for more information. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 21 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Baud Rate Actual Baud Rate
(selections 0-9) Data, Parity (A) Description The actual baud rate for the transceivers data port. It is desirable to set the baud rate to the highest level supported by the device to which it is connected. With a poor radio link, however, this could result in slower data communications. Six data word length and parity configurations are available to be used with FreeWave transceivers. The default setting is 0 (8, N, 1) and is the most commonly used serial communications protocol. When Data, Parity are selected from the Baud Rate menu, a prompt to enter a value for Data, Parity displays. The following describes each option:
Stop Bits Menu Setting Data Bits Parity 0 None Even 1 Odd 2 None 3 4 Even 5 Odd Support for Modbus RTU protocol is available. The default setting for Modbus RTU is 0 (Not Enabled). 1 1 1 2 1 1 8 7 7 8 8 8 Modbus RTU (B) To enable the Modbus RTU mode:
1. In the Set Baud Rate menu enter (B) and then select 1 Note: When using the transceiver in Modbus RTU mode, the Master Packet Repeat setting must match in every radio, regardless of whether the network is in Point-to-Point or MultiPoint mode. Modbus RTU timing can be adjusted via this setting. See Modbus RTU Timing
(below) for more information RS232/485 (C) In the GXM, this setting must be set to 0. Setup Port (D) Note: DO NOT change this setting unless the correct programming cable is available for the new setting. This setting determines which port, Main or Diagnostics, is used to enter the Setup Main Menu. Menu 1 2 3 Port Main Only Diagnostics Only Both Ports Additional Information The terminal is connected to the Main Data Port. The terminal is connected to the Diagnostic Port. The terminal may be connected to either port. Setup mode is invoked by sending a "U" (Shift-U) when connected to the Diagnostics pins, or by briefly shorting Pin 2 on the I/O connector to ground. The Main Data Port consists of the Data Rx (7), Data Tx (5), and Gnd (4 or 13) pins. The Diagnostics port consists of the Diag Rx (11), Diag Tx (12), and Gnd (4 or 13) pins. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 22 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual TurnOn/OffDelay
(E) These settings are not utilized in the GXM. This menu specifies the hardware flow control for the Data port. The options for 0-3 are described below. Menu Additional Information Port 0 None Default No flow control 1 2 3 Uses Standard RTS/CTS control lines DOT RTS DTR FlowControl (F) MODBUS RTU TIMING The Modbus RTU setting causes the radio to wait for an amount of time, gathering data before sending that data out the radio link. With a Modbus RTU setting of 0 (Disabled), the radio will send data out its radio link as soon as the data is received into the serial port. With a Modbus RTU setting of 1, the radio will wait for a number of slots equal to 2 times the Master Packet Repeat setting before sending the received data out the radio link. For example, if Master Packet Repeat = 3, the radio will wait for 6 slots, gathering data up the whole time. At the end of the 6 slots, the radio will send all received data in one burst. This is the appropriate setting for most Modbus RTU devices. With a setting of 2 and higher, the radio will wait for a number of slots calculated by the following formula:
(Modbus RTU Setting + Master Packet Repeat Setting + 1) x 2 For example, in a radio where the Modbus RTU setting = 2 and the Master Packet Repeat setting = 3, the radio will wait for (2+3+1) x 2 slots, or 12 slots. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 23 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Call Book Use of the Call Book is required in Point-to-Point networks. While the call book is an option in Point-to-
MultiPoint networks, the Network ID feature is strongly recommended in most applications. The instructions provided in this section are for Point-to-Point mode only. Use of the Call Book for MultiPoint networks is explained later in this chapter. Using the Call Book offers both security and flexibility in determining how FreeWave transceivers communicate with each other. Three settings must be made for two FreeWave transceivers to communicate in Point-to-Point mode:
1. The Masters serial number must be listed in the Slave's Call Book or Slave Security is turned off in the Slave. 2. The Slaves serial number must be listed in the Master's Call Book. 3. The Master must be programmed to call the Slave. The Call Book allows users to incorporate up to 10 FreeWave transceivers, designate 1 to 4 Repeaters to be used with each transceiver, and designate which Slave the Master will call. To set the Entry to Call option, enter C at the prompt, followed by the menu number corresponding to that Slave. To call any available Slave in the list, enter C then enter A to direct the Master to Call All. Note: To call a Slave through one or more Repeaters, that Slave must be called individually. With Call All selected, the Master will not connect with any Slaves through Repeaters. The Master calls every Slave in the list and will connect with the first Slave that responds. When calling through a Repeater, the Master must first call that Repeater and establish a communication link with it prior to making contact with the Slave. Edit Call Book 1. Selecting 2 Call Book from the Main Menu displays the following window:
2. Select the appropriate number to edit by typing the associated line number at the cursor. 3. Enter New Number will appear. Enter the 7-digit serial number of the transceiver being called. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 24 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual 4. The system will prompt for Repeater 1s number. If no Repeaters are being used, press the Esc key. (skip step 5) Otherwise, enter the 7-digit serial number of the Repeater. 5. The system will then prompt for Repeater 2s number. Enter the 7-digit serial number of the second Repeater. If only one Repeater is being used, press the Esc key. 6. The system refreshes the transceivers Call Book menu with the new changes. 7. Press the Esc key to return to the Main Menu. Note: When entering numbers into the Call Book, Repeaters need only be defined in the Master Call Book. The Slave Call Book only requires the Masters Serial number. A repeater need not have anything listed in its Call Book. PROGRAMMING POINT-TO-POINT EXTENDED CALL BOOK TO USE THREE OR FOUR REPEATERS In a Point-to-Point configuration FreeWave transceivers can utilize up to 4 Repeaters. To use 3 or 4 Repeaters, program the Call Book with the Slaves serial number, followed by the first 2 Repeaters. On the next line enter 999-9999 as the transceiver to call. When prompted for the Repeaters enter the third and fourth Repeaters in the link. The illustration below depicts a Point-to-Point link where a Slave is called through 4 Repeaters. In this example the Master is calling the Slave, 571-3872, through Repeater 1, 901-1234, then Repeater 2, 910-
0234, then Repeater 3, 571-3456, and finally Repeater 4, 571-4567. Entering of serial number 999-9999 in line 1 instructs the Master to continue calling through the Repeaters programmed on that line. It is important that the Call Book slots (0-9) are filled sequentially starting with slot 0. When a Master is instructed to Call All, it will call all Slaves listed until it reaches the first serial number of 000-0000. If a serial number is entered after the all zero number or as a Repeater, it will not be recognized as a valid number by the Master. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 25 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual PROGRAMMING POINT-TO-MULTIPOINT CALL BOOK In a MultiPoint network, the Slaves and Repeaters are not listed in the Master's Call Book. A Slave must have the Master and any Repeater it is going to use in its Call Book. Note: If the Network ID feature is used in a MultiPoint network, no entries are needed in the Call Book of any of the transceivers. See the Network ID feature in the MultiPoint Parameters section. The following example shows the Call Books of a MultiPoint network comprised of a Master, Repeater and Slave in which the Slave can communicate either through the Repeater or directly to the Master:
MultiPoint Master Call Book (Unit Serial Number 900-0001) Entry Number
(0)
(1) No serial number entries are necessary in the Masters Call Book. 000-0000 000-0000 Repeater2 Repeater1 MultiPoint Repeater Call Book (Unit Serial Number 900-0002) Entry Number
(0)
(1) Repeater2 900-0001 000-0000 Repeater1 MultiPoint Slave Call Book (Unit Serial Number 900-0003). Entry Number Repeater2 900-0001
(0) 900-0002
(1)
(2) 000-0000 Repeater1 At times it may be desirable to force a Slave to go through a specific MultiPoint Repeater. In this scenario, the Slaves Call Book should contain only the serial number for that Repeater as the entry on line 0. PROGRAMMING POINT-TO-MULTIPOINT EXTENDED CALL BOOK In a MultiPoint network, a Slave can be programmed to roam between Masters and Repeaters using the MultiPoint Extended Call Book function. A Slave with its Call Book configured as below will communicate with any transceiver whose serial number appears in any of the three columns. This functionality is enabled by setting Network ID to 255 then in the Call Book 999-9999 as the last entry in the first and second columns, and Entry to Call to ALL. Entry to Call is ALL Entries at the bottom of the Number and Repeater1 Columns are 999-9999 26 LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Radio Transmission Characteristics The Edit Radio Transmission Characteristics option allows the user to modify several different parameters in the transceiver. Many of these parameters must be maintained throughout the network for proper functionality. Note: This menu is only for the sophisticated user who has a good understanding of the principles of radio data transmission. The settings for the Slave(s) and Repeater(s) not determined by the Master are RF Xmit Power, Slave Security, Retry Time Out and Hop Table Size, Hop Table Version, and Hop Table Offset. Edit Radio Transmission Characteristics Selecting 3 Edit Radio Transmission Characteristics from the Main Menu displays the following window:
FREQKEY Selection 0 in the Radio Parameters menu allows the user to modify the hopping patterns of the transceiver. Fifteen choices are available for the FreqKey (0-9 and A-E) setting, representing 15 different pseudo-random hop patterns. This is to minimize the interference with other FreeWave transceivers operating in the area. For instance, if 10 pairs of FreeWave transceivers are operating on different networks in close proximity, setting a different FreqKey value reduces the chance that transceivers will hop to the same frequency at the same time. If two networks were to hop to the same frequency, the next hop would be to a different frequency for both networks. Additional network separation can be gained by adjusting the Max and Min packet sizes, options 1 and 2. After selecting 0 FreqKey, select F for additional options. The Hop Table Parameters will appear in the window. From this menu, more network differentiation can be defined by way of limiting the number and location of frequencies the transceivers may hop on in the 2.4 2.483 GHz band. Note: ALL transceivers in a network must have identical Hop Table settings to function properly. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 27 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Available options
(0) HOP TABLE VERSION Entry 0 allows the user to choose the portion of the band in which the transceiver will operate. Selection Band 0 1 2 3 4 5 Entire band, 2.400 - 2.4835 GHz Entire band, but offset frequencies from selection 0 Lower 1/3 rd of band Middle of band Upper one third of the band 2 outer 1/3rds of band, avoids the middle
(1) HOP TABLE SIZE The Hop Table Size defines how many separate channels will be used by a given network. For 2.4GHz networks, the Hop Table Size may be set from 50 to 80.
(2) HOP FREQ OFFSET In the GXM, Hop Freq Offset allows the user to select an offset of 115.2 KHz, or 230.4 KHz higher than the standard frequency selection. For example, if two networks are operating side by side, with one set to Hop Freq Offset of 0 and the other to Frequency Offset of 1, the frequencies used in the different hopping patterns will be offset by 115.2 KHz.
(3) 2.4GHZ FREQUENCY ZONE Frequency Zone allows the user to select which portions of the band the network will use. Setting a zone to 1 will include it in the hopping pattern, while setting the zone to 0 will exclude that zone. In MultiPoint networks, this setting is only changed in the Master radio. In Point-to-Point networks, the Master and the Slave must have matching Frequency Zone settings. Below is the frequency zone table displaying the beginning frequency and ending frequency in each of the 16 zones. Note: The following table reflects the usage of Frequency Offset 0. Utilizing Frequency Offset 1 or 2 would shift all frequencies by 115.2 or 230.4 kHz respectively. By default, all Frequency Zones are ENABLED. Note: The Hop Table Version must be set to 0 when using Frequency Zones. If another Hop Table Version were to be selected, the limitations of that selection would be applied to the hopping LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 28 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual pattern as well. For example, if Hop Table Version 3 were selected, only the middle of the band would be available in the pattern. Then, if Frequency Zones 5, 6, 7, 8 and 9 were set to 0 no allowable frequencies would be available for the radio to use. Binary Zone Number (LSB First) Beginning Freq. (MHz) Ending Freq. (MHz) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2400.6528 2405.8368 2411.0208 2416.2048 2421.3888 2426.5728 2431.7568 2436.9408 2442.1248 2447.3088 2452.4928 2457.6768 2462.8608 2468.0448 2473.2288 2478.4128 2405.4912 2410.6752 2415.8592 2421.0432 2426.2272 2431.4112 2436.5952 2441.7792 2446.9632 2452.1472 2457.3312 2462.5152 2467.6992 2472.8832 2478.0672 2483.2512 WARNING: To adhere to the EU specifications, it is necessary to use the proper frequency zone combination based on the frequency offset. While using a frequency offset of zero, the first zone (0) needs to be removed. Using frequency offsets of one or two, the last zone (15) needs to be removed. See table below. Frequency Offset Frequency Zone Requirements 0 1 2 0xxxxxxxxxxxxxxx xxxxxxxxxxxxxxx0 xxxxxxxxxxxxxxx0 WARNING:
hop pattern. Using the Standard hop table, a minimum of 5 frequency zones are required for legal communication. FCC regulations require a minimum of 50 separate frequency channels be used within a LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 29 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual
(4) GOVERNMENT RULES This section allows the user to view the government rules settings with which the transceiver is set to comply. Setting Definition 0 1 FCC rules Radio power output can be set to a maximum of 27 dBm (500 mW). ETSI 328 Radio power output can be set to a maximum of 20 dBm (100 mW). For more information, contact FreeWave Technical Support at (303) 381-9200.
(1) MAX PACKET SIZE AND (2) MIN PACKET SIZE The Max and Min Packet Size settings and the RF Data Rate determine the number of bytes in the packets. Throughput can be enhanced when packet sizes are optimized. In Point-to-Point mode, the Max and Min Packet Settings will not much material impact on throughput unless a port-to-port throughput of 115.2 KBaud is required. However, this may have an impact on latency. For example, if small amounts of data are sent and large packet sizes are selected, a certain amount of time wasted between each packet would be seen. The following 3 tables provide the information to determine optimum setting values. The default settings are: Max Packet Size = 8, Min Packet Size = 9, and RF Data Rate = 3. The following table defines the Minimum packet size in bytes by way of charting the Min Packet Size setting versus the RF Data Rate setting. Using the default settings, the actual minimum packet size, in bytes, is 44. Minimum Packet Size Definition Min Setting Min Packet Size RF Data Rate = 2 Min Packet Size RF Data Rate = 3 0 1 2 3 4 5 6 7 8 9 15 21 26 31 37 42 47 53 58 63 8 12 16 20 24 28 32 36 40 44 Version 1.0 30 LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual The following table defines the Maximum packet size in bytes by way of charting the Min Packet Size setting versus the Max Packet Size setting where the RF Data Rate is set to 2. Maximum Packet Size Definition with RF Date Rate of 2 Min Setting 0 1 2 3 4 5 6 7 8 9 0 15 21 26 31 37 42 47 53 58 63 1 37 42 47 53 58 63 69 74 79 85 2 58 63 69 74 79 85 90 95 101 106 3 79 85 90 95 101 106 111 117 122 127 Max Setting 5 4 122 101 106 127 133 111 138 117 143 122 127 149 154 133 159 138 143 165 170 149 6 143 149 154 159 165 170 175 181 186 191 7 165 170 175 181 186 191 197 202 207 213 8 186 191 197 202 207 213 218 223 229 234 9 207 213 218 223 229 234 239 245 250 255 The following table defines the Maximum packet size in bytes by way of charting the Min Packet Size setting versus the Max Packet Size setting where the RF Data Rate is set to 3. Using the default settings, the actual maximum packet size, in bytes, is 172. Maximum Packet Size Definition with RF Date Rate of 3 0 8 12 16 20 24 28 32 36 40 44 1 24 28 32 36 40 44 48 52 56 60 2 40 44 48 52 56 60 64 68 72 76 Max Setting 4 72 76 80 84 88 92 96 100 104 108 5 88 92 96 100 104 108 112 116 120 124 3 56 60 64 68 72 76 80 84 88 92 6 104 108 112 116 120 124 128 132 136 140 7 120 124 128 132 136 140 144 148 152 156 8 136 140 144 148 152 156 160 164 168 172 9 152 156 160 164 168 172 176 180 184 188 Min Setting 0 1 2 3 4 5 6 7 8 9 Referencing the default settings, the Master will transmit up to 172 bytes on every hop. If fewer than 172 bytes are transmitted, the balance is allocated to the Slave's transmission, plus the quantity in the Min Packet Size Setting. For example, if a Master transmits 100 bytes, the Slave will then have a total of 116 bytes available
(72(leftover bytes) + 44 (Min packet size)). LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 31 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual
(3) XMIT RATE Two settings for the Transmit Rate parameter are available. The setting for normal operation of the transceiver is a Transmit Rate 1. Transmit Rate 0 is useful to qualitatively gauge signal strength in Point to Point mode. When set to Transmit Rate 0, the transceivers will transmit back and forth continuously, even if no data is being applied to the serial port. A Transmit Rate setting of 0 should be used only as a diagnostic tool and not for normal operation. The strength of the signal may be gauged by the Clear to Send (CTS) LED. A solid red CTS LED indicates a strong signal; a blinking CTS LED indicates a weaker signal.
(4) RF DATA RATE FreeWave transceivers have two settings for the RF Data Rate (2, 3). RF Data Rate should not be confused with the serial port Baud Rate. Setting 2 (RF Speed of 153.6kbps) should be used when the transceivers are close together and data throughput needs to be optimized. Setting 3 (RF Speed of 115.2kbps) should be used when the transceivers are farther away and a solid data link is preferred over data throughput. Note: In MultiPoint networks, the RF Data Rate must be set identically in all transceivers. Any transceiver with an RF Data Rate different from the Master will not establish a link. In Point to Point networks the Masters settings take precedence over the Slave.
(5) RF XMIT POWER The RF Xmit power setting controls the output power of the radio. This setting ranges from 0 dBm (1 mW) to 27 dBm (500 mW). For certain purposes, the radio can be hard-coded to a maximum output power of 20 dBm (100 mW). This is an option that can be set at the factory. In these cases, the RF Xmit Power setting cannot be set higher than 20. Output power notes:
The output power of the radio will be within 1 dBm of the setting, on average, at room temperature. At a setting of 10 dBm specifically, the output power will be within 1.5 dBm of the setting. At settings lower than 10 dBm, the actual output power of the radio can vary further. At a setting of 20 dBm, the radio is calibrated to output exactly 20 dBm (100 mW) across the entire operating temperature range of the radio.
(6) SLAVE SECURITY Slave security is a feature that allows Slave transceivers to accept transmissions from a Master not included in the Call Book. The default setting is 0 (Slave Security enabled) which means, only a Master which is in the Slaves Call Book may link to that Slave. Slave Security may be disabled (setting of 1) allowing any Master to call the Slave. Slave Security has no effect in Point-to-MultiPoint networks where the Network ID is not set to 255. Slave Security must be set to 1 when the unit is operating in Mode 6 Slave/Master switchable or a Point-
to-Point network where the Slave may need to accept calls from more than 10 different Masters. When Slave Security is set to 1, the transceiver will accept calls from any other FreeWave transceiver. Additional network security measures may be taken to prevent unauthorized access, such as changing default settings for FreqKey, Hop Table or Frequency Zones.
(7) RTS TO CTS The RTS to CTS setting in the Radio Parameters menu provides the option of allowing the RTS line on the Master transceiver to control the CTS line of the Slave. This pass-through control can be enabled in both Point-to-Point and Point-to-MultiPoint. In MultiPoint networks, the Master RTS line will control all Slaves CTS lines. When enabled, the CTS line ceases to function as flow control. It is not recommended to enable this feature when operating at RS-232 speeds above 38.4kB. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 32 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual The default setting of 0 disables this function, where as a setting of 1 enables RTS-CTS control. RTS-CTS setting 2 is described in detail in the application note #5437 DTR to CTS Line Alarm Feature. With an RTS to CTS setting of 1, the Master senses the RTS line prior to all scheduled packet transmissions. If the state has changed, the Master will then transmit a message to the Slave with the new status. This transmission will occur regardless of data being sent. If data is ready to be sent, the RTS status message will be sent in addition to the data. In Point-to-Point mode, the Master will continue sending the new status message until it receives an acknowledgment from the Slave. In MultiPoint mode, the Master will repeat the message the number of times equal to the Master Packet Repeat value in the MultiPoint Parameters menu. Master transmit times are completely asynchronous to the occurrence of any change of the RTS line; the latency time from RTS to CTS is variable. The Max and Min Packet Size parameters in the Radio Parameter menu determine this duration. Setting both parameters to their maximum value of 9 will produce a maximum latency time of approximately 21 ms, given no Repeaters in the network. At the minimum settings for Max and Min Packet Size (0), the time will be approximately 5.9ms. Please note that this latency can increase significantly if packets are lost between the Master and Slave. In Point-to-
MultiPoint mode, no absolute guarantee is made that the state change will be communicated to all Slaves. In Multipoint networks with Repeaters present, the latency will be cumulative for each serial Repeater. For example: If the latency between the Master and the first Repeater is 15 ms, and 2 serial Repeaters are present, the total latency will be 45 ms. (MR1 (15 ms) + R1R2 (15 ms) + R2S (15 ms) = 45 ms) Note: The RTS to CTS feature does not function in Point-to-Point networks that contain a Repeater. If this feature is needed in such network, the mode should be changed to Point-to-MultiPoint. Note: If DTRConnect is enabled and set to 2, the RTS to CTS feature will not work. Note: If the DTRConnect is enabled and set to 1, RTS to CTS mode takes precedence over the functionality of the CTS line on the Slave relating to the DTRConnect feature. Note: The RTS to CTS option is only available in RS232 mode.
(8) RETRY TIME OUT The Retry Time Out parameter in a Slave or Repeater sets the delay the unit will wait before dropping the connection to a Master or Repeater in MultiPoint mode. The factory default is set at the maximum of 255. The maximum setting means that if 1 packet in 255 is sent successfully from the Master to the Slave or Repeater, the link will be maintained. The minimum setting is 8. This allows a Slave or Repeater to drop a connection if less than 1 in 8 consecutive packets is successfully received from the Master. On the other hand, the function in the Master is effectively the same. With a setting of 255, the Master will allow a Slave or Repeater to stay connected as long as 1 packet in 255 is successfully received at the Master. The Retry Time Out parameter is useful when a MultiPoint network has a roving Master or Slave(s). As the link gets weaker, a lower setting will allow a poor link to break in search of a stronger one. Note: Setting Retry Time Out to 20 is recommended in areas where several FreeWave networks exist. This setting will allow Slaves and Repeaters to drop the connection if the link becomes too weak, while at the same time prevent errant disconnects due to interference from neighboring networks. While intended primarily for MultiPoint networks, the Retry Time Out parameter may also be modified in Point-to-Point networks. However, the value in Point-to-Point mode should not be set to less than 151. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
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(9) LOWPOWER MODE The Lowpower Mode feature allows a MultiPoint Slave to consume less power. This is achieved primarily by dimming the transceiver's LEDs. When set to 2 through 31, the transceiver will sleep between slots. For example, at a setting of 2 the transceiver sleeps 1 out of 2 slots; at a setting of 3 the transceiver sleeps 2 out of 3 slots, and so on. The following table shows the changes at different Lowpower Mode settings. The actual current draw depends on many factors. The table below gives only a qualitative indication of supply current savings. A low number reduces latency and a high number reduces current consumption. Current Draw More Less Setting Description 0 1 Lowpower, disabled LEDs dimmed, transceiver remains awake, transceiver is listening to the Masters transmissions on every slot, and transceivers data port is shut down if the RTS line is deasserted (low). In this case, the transceiver needs to be awakened before it will be able to send data to the Master. LEDs dimmed, transceiver sleeps every other slot LEDs dimmed, transceiver sleeps 2 of 3 slots LEDs dimmed, transceiver sleeps the number of slots corresponding to the setting. For example, with a setting of 31 the transceiver sleeps 30 of 31 slots. 2 3 4-31 IMPORTANT NOTES 1. Lowpower Mode is used only in MultiPoint Slaves using serial protocol. Power savings occur only when the Slave is linked. No power savings occur when the Slave is transmitting data. Lowpower Mode is of little value when a Slave has a constant, high throughput. MCUSpeed must be set to 0 and RF Data Rate must be set to 3 for Lowpower Mode to operate properly. 2. Additional power savings may be realized when the Number Repeaters is set to 1. 3. To communicate to the data port of a transceiver that is in Lowpower Mode, the RTS line must be held high to wake it up. The transceiver will wake up within approximately 20 milliseconds of when RTS goes high. 4. 5. If the RTS line on the Slave is held high, the transceiver will remain in normal operation regardless of the Lowpower Mode setting. Once RTS is dropped the transceiver reverts to the Lowpower Mode. If the transceiver has the DTRConnect option set to 1 or 2 and if the Lowpower Mode enabled
(set to 1-31), the RTS line on the transceiver must be asserted for the DTRConnect feature to operate properly.
(A) HIGH NOISE The High Noise Option is useful in determining if out of band interference is affecting a radio link. A setting of 1 will provide a reduction of gain in the front end circuit thereby decreasing the affect of any out of band noise. The results will be seen as a lower signal value and a much lower noise value (as found in Radio Statistics or Diagnostics). If the noise is not reduced by a greater amount than the signal, the interference is most likely an in band issue. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 34 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual When a noise problem is shown to be helped by way of the High Noise option, chances are that the noise may be further squelched by use of a bandpass filter available for sale from FreeWave Technologies.
(B) MCU SPEED MCU Speed controls the speed of the Micro Controller Unit in the transceiver. The default setting is 0 for low speed. A setting of 1 is required for Ethernet and UDP operation. The following table describes the MCU speed settings. Setting 0 1 Description Low speed High speed Notes Reduces current consumption Required for 230 KBaud and greater data port rate
(C) REMOTE LED This setting, when enabled, outputs LED information through the Remote LED pins on the data port. NOTE: This feature is only available with the 24-pin data interface. Setting 0 1 2 Description Board LEDs Board and Remote LEDs Remote LEDs Notes Default, only on board LEDs are enabled. Onboard LEDs are enabled as well as Remote LEDs through the Diagnostic port. On board LEDs are disabled. Remote LEDs are enabled through the Diagnostic port. NOTE: When using Remote LEDs the center (TX) LED will not turn Green when in Setup mode. The Green TX LED has no remote pinout. NOTE: This feature may be used to save power in Multipoint Repeaters. By turning off the on-board LEDs (setting = 2) the current consumption of the radio is reduced. To reduce current consumption in Slaves, use the setting Low Power = 1 (see p. 34). Low Power does not work with Multipoint Repeaters because they are constantly transmitting. Remote LED drives the Diagnostic port which has a small amount of current draw. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 35 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Show Radio Statistics Radio Statistics in the Main Menu allows the user to view data transmission statistics gathered by the transceiver during the most recent session. This is valuable when the user needs to know the signal strength and noise levels of the link. Statistics are gathered during each data link and are reset when the next link begins. See display below. NUMBER OF DISCONNECTS Any time the link between the Master and the Slave is broken and the radios lose Carrier Detect, it is recorded in the Number of Disconnects value. The value indicates the total number of disconnects that have occurred from the time the transceiver is powered on until the radio is put into Setup mode. Under ideal operating conditions, the number of disconnects should be 0. One or more disconnects may indicate a weak link, the presence of severe interference problems or loss of power to any of the radios in the link. ANTENNA REFLECTED POWER This is a measurement of the transmitted power that is reflected back into the transceiver from mismatched antennas or cables, or loose connections between the transceiver and antenna. A reading of 0-5 is good; 5-20 is acceptable. Once the reading reads 20 or higher, this could be an indication that the antenna cable connections should be inspected for loose connections and cable quality. A reading of 30 or higher indicates a definite problem in the system. The most likely reason for a higher Reflected Power reading is a cable issue between the radio and the antenna: loose connections, cable kinks, breaks in cable shielding, moisture in the fittings or connections, etc. Less commonly, a high Reflected Power reading can indicate a hardware problem with the radio itself, such as a dmage RF connector. Lastly, a high Reflected Power reading may indicate a problem with the antenna itself, although antenna problems are the least likely indicator. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 36 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual TRANSMIT CURRENT (MA) This measures the current draw of the transmitter in milliamps. Refer to Transceiver specs for typical values. AVERAGE NOISE LEVEL The average noise level indicates the level of background noise and interference at this transceiver and at each of the Repeaters in the link. The number is an average of the noise levels measured at each frequency in the transceivers frequency hop table. The individual measurement values at each frequency hop channel are shown in the frequency table. Pressing the Enter key when the Radio Statistics menu is displayed, accesses the frequency table. Ideally, noise levels should be below 70 J units and the difference between the average signal level and average noise level should be 30 or more. Noise levels significantly higher than this are an indication of a high level of interference that may degrade the performance of the link. High noise levels can often be mitigated with band pass filters, antenna placement or antenna polarization. AVERAGE SIGNAL LEVEL The average signal level indicates the level of received signal at this transceiver and at each of the Repeaters in the link. For each of these, the signal source is the transceiver that transmits to it. The number is an average of the received signal levels measured at each frequency in the transceiver's frequency hop table. The individual measurement values at each frequency hop channel are shown in the frequency table. Pressing the Enter key when the Radio Statistics menu is displayed accesses the frequency table. For a reliable link, the margin should be at least 30 J units. Low Average Signal Levels can often be corrected with higher gain antennas, better antenna placement and/or additional Repeaters. Note: Please consult the install manual for antenna and FCC requirements. OVERALL RCV RATE (%) The Overall Receive Rate measures the percentage of data packets that were successfully transmitted from the Master to the Slave on the first attempt. A number of 75 or higher indicates a robust link that will provide very good performance even at high data transmission rates. A number of 15 or lower indicates a weak or marginal link that will provide lower data throughput. An Overall Receive Rate of 100% will provide approximately 100 KBaud of bandwidth with an RF Data Rate setting of 3 and approximately 150 KBaud of bandwidth with an RF Data Rate of 2. These numbers are reduced approximately 50% if one or more Repeaters are in the network. RADIO TEMPERATURE The Radio Temperature value is the current operating temperature of the transceiver in degrees Celsius. For proper operation, a FreeWave transceiver must be in the temperature range of -40 to +85 C. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 37 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual MultiPoint Parameters When installing MultiPoint networks it is important to do some up front planning. Unlike Point-to-Point networks, a Point-to-MultiPoint network requires several parameters are set consistently on all transceivers in the network. This includes RF data rate, Min and Max Packet Size, and FreqKey. Note: If several independent MultiPoint networks are to be located in close proximity the planning becomes more critical. In such cases, it becomes very important to include as much frequency and time diversity as possible through use of different FreqKey, Min and Max Packet Size, and Hop Table settings. In some instances the use of the MultiMaster Synch option may be required. Edit MultiPoint Parameters Selecting (5) Edit MultiPoint Parameters from the main menu displays the following window:
(0) NUMBER REPEATERS In a MultiPoint network it is critical to transmission timing to configure this parameter correctly. The value should be 0 if no Repeaters are in the network and 1 if any number of Repeaters are present. This parameter is used only in the MultiPoint Master radio.
(1) MASTER PACKET REPEAT In a Point-to-MultiPoint network, Slaves do not acknowledge transmissions from the Master. If Slaves did acknowledge all data transmissions, in a large network, the Master would soon become overwhelmed with acknowledgments from the Slaves. Without acknowledgements, 100% confidence every Slave has received every packet cannot be met. To address this issue, the user may modify the Master Packet Repeat setting, assigning a value between 0 (the packet is transmitted once) to 9 (the packet is transmitted 10 times). For networks with solid RF links, this parameter should be set to a low value such as 1 or 2. If a network has some weak or marginal links it should be set with higher values. If a Slave receives a good packet from a Master more than once it will discard the repeated packets. Similarly, once a MultiPoint Repeater receives a good packet from the Master, it will discard any further repeated LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 38 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual packets. In turn, the Repeater will send the packet out to the next Repeater or Slaves the number of times corresponding to its own Master Packet Repeat setting. Increasing the Master Packet Repeat setting will increase the probability of a packet getting through, but will also increase latency in the network because each packet from the Master or Repeater is being sent multiple times. Therefore, it is important to find the optimal mix between network robustness, throughput, and latency. In general, a setting of 2 to 3 will work well for most well designed networks. Note: The Master Packet Repeat may be set to 0 if the user software is capable of, or requires acknowledgment. In this case if a packet sent by the Master and not received by the Slave, the user software will control the retries as needed. MASTER PACKET REPEAT IN MULTIPOINT NETWORKS WITH REPEATERS The Master Packet Repeat parameter must also be set in MultiPoint Repeaters since a Repeater will appear as a Master to a Slave. Therefore, the Repeater will send the packet out the number of times corresponding to its own Master Packet Repeat parameter. If this parameter is set improperly the reliability of the overall network may be diminished. For example, if a Master's Master Packet Repeat setting is 3, the link between the Master and Repeater should be robust. If the Repeater's Master Packet Repeat is set to 0, this could cause marginal communications between the Repeater and the Slaves. The Slaves communicating through this Repeater will only receive the initial packet from the Master with no repeats. Therefore, if the packet is not received on the first try, the Slave will not respond as expected. Note: The Master Packet Repeat setting in any MultiPoint Repeater must be less than or equal to the Masters setting.
(2) MAX SLAVE RETRY The Max Slave Retry setting defines how many times (0 to 9) the Slave will attempt to retransmit a packet to the Master before beginning to use a back-off algorithm (defined by the Retry Odds setting). Slave retries will stop when an acknowledgement is received from the Master.
(3) RETRY ODDS While packets transmitted from the Master to the Slaves in a MultiPoint network are not acknowledged, packets transmitted from Slaves to the Master are. It is possible, that more than one Slave will attempt to transmit to the Master at the same time. Therefore, it is important that a protocol exists to resolve contention for the Master between Slaves. This is addressed through parameters (2) Max Slave Retry and (3) Retry Odds. Once the Slave has unsuccessfully attempted to transmit the packet the number of times specified in Max Slave Retry, it will attempt to transmit to the Master on a random basis. The Retry Odds parameter determines the probability that the Slave will attempt to retransmit the packet to the Master; a low setting will assign low odds to the Slave attempting to transmit. Conversely, a high setting will assign higher odds. An example of how this parameter might be used would be when considering two different Slaves in a MultiPoint network, one with a strong RF link and the other with a weak RF link to the Master. It may be desirable to assign higher Retry Odds to the Slave with the weaker link to give it a better chance of competing with the closer Slave(s) for the Master's attention. When Retry Odds = 0, after the Slave has exhausted the number of retries set in the Max Slave Retry parameter and still not gained the Masters attention, the Slaves data buffer will be purged. Retry Odds =
0 is the recommended setting for most networks. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
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(4) DTR CONNECT With the setting of 0 in the Slave, the transceiver will transmit when serial data is received. A setting of 1 will form a Point-to-Point link with the Master when the DTR line is high. With a setting of 2, the transceiver will transmit in bursts. This mode is valuable when a network has many low data rate devices and it is desirable to increase overall network capacity. Note:
If DTRConnect is set to 1 and the RTS to CTS function is enabled on the radio, then RTS to CTS takes precedence over DTRConnect. Note:
If DTRConnect is set to 2 and RTS to CTS is enabled, then RTS to CTS is ignored. The transceiver has two separate transmit and receive user data buffers. For the FGR series radios, these buffers are 2 Kbytes each. In case of a buffer overflow, the transceiver will output unpredictable data.
(5) REPEATER FREQUENCY Repeater Frequency must be set to a 1 in a Repeater when a FreqKey other than that of the Master is desired. This condition occurs when parallel Repeaters in a network may have overlapping areas of responsibility. The default setting of 0 causes the Repeater to use the FreqKey set in Menu 3. Note: When Repeater Frequency is set to 0 and Subnets are not configured, the FreqKey setting in each Slave must match the Master or Repeater acting as the Master for the transceiver.
(6) NETWORK ID NetWork ID allows MultiPoint networks to be established without using the Call Book. The default setting of 255 enables the Call Book. To enable NetWork ID the value must be set between 0 and 4095
(excluding 255). Since NetWork ID does not use serial numbers, MultiPoint Masters and Repeaters may be replaced without reprogramming all of the Slaves in the network. Slaves will link with the first Master or Repeater that it hears that has a matching NetWork ID. The Network ID function should be used in conjunction with the SubNet ID feature (If necessary). Without having the serial numbers in the Call Book, a Slave may establish communications with different Masters, though not at the same time. This is very useful in mobile MultiPoint applications.
(8) MULTIMASTER SYNCH MultiMaster Synch is reserved for applications, in both Point-to-Point and MultiPoint modes, with concentrations of Master units where it is necessary to reduce interference between the Masters. Please see application note #5412 Synchronizing Collocated Masters or contact FreeWave Technical support for more information.
(9) 1 PPS ENABLE/DELAY The 1 PPS Enable/Delay option allows the radio network to propagate a 1PPS signal from the Master to all Slaves in a MultiPoint network. When this parameter is enabled a properly generated pulse applied on the DTR line of the Master will provide a 1 PPS pulse on the CD line of any Slave in the network. To use the 1 PPS Enable/Delay feature the steps outlined below must be followed:
1PPS Enable/Delay Setup:
1. The 1 PPS Enable/Delay parameter must be set to 0 in the Master. 2. The Master must have a 1 PPS pulse on the DTR pin. 3. The 1 PPS Enable/Delay parameter on the Slaves must be enabled. Slaves are calibrated at the factory. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 40 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Calibrating a Slave in 1PPS Enable/Delay mode 1. Trigger an oscilloscope on the 1 PPS pulse on the DTR line of the Master. 2. Monitor the CD line of the Slave. 3. If the timing on the Slave differs from the Master it may be adjusted via the value in the Slave's 1 PPS Enable/Delay parameter. The difference in time between each incremental integer value is 542.534nS. Changing the parameter to higher values decreases the Slave time delay and changing the parameter to lower values increases the time delay. When properly calibrated the CD line of a Slave radio will output a pulse that goes high for about 2mS in synch with the 1 PPS pulse on the Master radio. The output on the Slave will occur within 20 microseconds of the input to the Master. Note: When 1 PPS is enabled, the Master must have a 1 PPS pulse on its DTR pin, otherwise the RF network will not function.
(A) SLAVE/REPEATER The Slave/Repeater mode allows a transceiver in a MultiPoint network to switch between Slave and Repeater functions. When in this mode, a transceiver will repeat any packets sent across the network as well as utilize the data port. Thus, where one Repeater and one Slave may be required in another vendors network, FreeWave networks require only one transceiver. Note: To operate a transceiver as a MultiPoint Slave/Repeater, the operation mode must be set to (7) MultiPoint Repeater and Slave/Repeater set to 1 in the MultiPoint Parameters menu.
(B) DIAGNOSTICS This option provides diagnostics data to be viewed at the Master in parallel with application data. The diagnostic program MUST be run from the Master transceiver. Diagnostics requires the following:
1. The Number Repeaters set to 1 and Diagnostics set to (1 to 128) in the Master. 2. A second computer or serial connection to run the diagnostics software. 3. A diagnostics cable. (Available from FreeWave Technologies.) 4. Diagnostics software. (Available on the User Manual and System Tools CD.) For more information on Diagnostics, please contact FreeWave Technical Support at (303) 381-9200.
(C) SUBNET ID The Subnet ID function only works in MultiPoint Networks utilizing the Network ID option. In a MultiPoint Network, a Slave or Repeater will connect with the first Repeater or Master that it hears with the same Network ID. However, where communications need to be forced to follow a specific path the Subnet ID is quite useful. Subnet ID is particularly helpful to force two Repeaters in the same network to operate in series rather than in parallel, or if desired, to force Slaves to communicate to a specific Repeater for load balancing purposes. Two components exist with regard to the Subnet ID:
1. Rcv Subnet ID. This setting identifies which transceiver a Repeater or Slave will listen to. 2. Xmt Subnet ID. This setting identifies the ID on which this device transmits, and in turn which devices will listen to it. The Xmt Subnet ID parameter is relevant for MultiPoint Masters and Repeaters only. The default (disable) setting for both Rcv and Xmt is F. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 41 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Notes: A Master with firmware before x.40 will always transmit and receive on 0. With firmware of 2.40 and greater (900MHz) or 3.40 and greater (2.4GHz) the Master may be set to use alternate Subnet ID values. Changing these settings on the Master is not recommended under normal circumstances. In some MultiPoint Networks, the FreqKey will be at the same setting for all transceivers. In other networks, where parallel Repeaters are introduced, the FreqKey value will need to change. See FreqKey and Repeater Frequency sections earlier in this manual for more information. If both Rcv Subnet ID and Xmt Subnet ID are set to 0 the Subnet ID will show Roaming in the menu. This setting will allow a mobile Slave to roam from subnet to subnet and possibly from network to network. This drawing depicts a Network in which Subnet IDs are used to force communications. In this example, Repeater1 must talk directly to the Master; Repeater2 must talk directly to Repeater1. Slaves 1, 2, and 3 are forced along the direction of the solid lines. Slave4 may link to the first Master or Repeater it hears. The respective Subnet ID diagram and settings are shown below. Subnet ID Settings Rcv Subnet ID Xmit Subnet ID Other Information Transceiver Master Master Repeater1 Repeater2 Slave1 Slave2 Slave3 Slave4 LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 F 0-F 0 1 0 1 2 0 F 0-F 1 2 0 or F 0 or F 0 or F 0 In firmware levels v2.34 and below, the Master uses 0,0. In firmware levels v2.40 and above, the Xmit Subnet ID value may be set in the Master. The default settings (F, F) actually use 0, 0. The Rcv Subnet ID on the Master has no affect on the network. A 0 will force the transceiver to link only to the Master. Rcv SubnetID = 1 forces communication through Repeater1. Repeater1 transmits on SubnetID 1. Rcv SubnetID = 0 forces communication through Master. Rcv SubnetID = 1 forces communication through Repeater1. Rcv SubnetID = 2 forces communication through Repeater2. The 0, 0 setting allows the Slave to link with the first Master or Repeater it hears with the correct NetWork ID. Version 1.0 42 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Note: With firmware x.40 and above, the Subnet ID default is F,F. A Multipoint Master with an F,F Subnet ID will behave the same as if the Subnet ID was set to 0,0. A Multipoint Slave with a Subnet ID of F,F will not roam from one repeater or network to the next, it will only link to a Master or Repeater that has either a Transmit Subnet of 0 or an F,F Subnet ID.
(D) RADIO ID Option (D) allows a transceiver to be designated with an arbitrary, user selectable, 4-digit number which identifies the transceiver in diagnostics mode.
(E) LOCAL MODE Option (E) allows the user to access an FGR2 or IM series Multi-point slave with a local master. This Master is not the network master. This feature is only available with firmware versions 2.64 (FGR) and 3.64 (IM) or newer firmware. Please see Application note #5457 Local Mode for more information.
(G) RADIO NAME Option (G) allows the user to set a unique 20 character Radio name. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 43 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Overlapping MultiPoint Networks Overlapping MultiPoint networks may be set up effectively with FreeWave transceivers when several key parameters are set correctly. Overlapping MultiPoint networks are defined as networks using different Masters which share or overlap in a specific geographic area. It may also include co-located transceivers configured into different networks. See application note #5412 Synch Colloc Master in Sync Mode for more details. Co-located MultiPoint networks require the following parameters be unique for each network:
Network ID, unless using Call Book Frequency Key (in conjunction with Repeater Frequency) Max Packet Size Min Packet Size For more questions about the installation of Point-to-MultiPoint networks, please contact FreeWave Technical Support at (303) 381-9200. Passwords Option (8) Change Password in the Main Menu allows the user to set a password that will prevent access to or changing of any of the radios parameters. This option is useful if it is desirable to prevent unauthorized personnel from gaining access to the radio settings. NOTE: If the Setup Port option (see p. 22) is set to 1 (Main Only) or 3 (Both), the password will ONLY be accepted if the menu is accessed from the main data port. To utilize the Password function via the Diagnostics port, the Setup Port option MUST be set to 2 (Diag Only). SETTING A PASSWORD Selecting (8) Chg Password will display the following prompt. New PW? (<esc> to exit) To back out of the process and not enable the password press Esc. To set a password, type in exactly 4 characters. The process can be canceled, at any point, by pressing the Esc key. Once the 4 characters have been entered the following prompt will appear:
<Enter> to accept,<esc> to quit To accept the password as entered and enable the feature, press the Enter key. The chosen password will be displayed on the line above. The password is case sensitive and every keystroke is a character. To quit the process and not enable the password, press Esc. CHANGING A PASSWORD Once the password feature has been enabled, it is possible to change to a new password. To enter a new password select, (8) from the Main Menu. At the Enter Security Code prompt enter, the current password. Once the password has been entered correctly, the prompt to enter the new password will appear. This is case sensitive and every keystroke is a character. At any point this process may be cancelled by pressing Esc. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 44 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual DISABLING A PASSWORD The process to disable the password is similar to the process to change the password. However, when prompted to enter the new password the follow the steps below:
1. Hold down the Alt key and type 0255. 2. Release the Alt key. 3. Repeat this step 3 more times (hold Alt and type 0255 a total of 4 times). Important Note: If the password feature is enabled and the password is forgotten, the transceiver will need to be returned to FreeWave to have the password disabled. Important Note: The 0255 must be typed on the NUM Pad of the computer, not the top row of numerals. Time Divisible Multiple Access (TDMA) Time Divisible Multiple Access (TDMA) allows radios to do various operations on specific time slots. This option is only used for peer-to-peer communications or when applications are very time specific. For additional information about TDMA, contact FreeWave Technical Support at (303) 381-9200. Additional Settings Some additional parameters are not shown in the Setup menu which may be used with FreeWave transceivers. These additional parameters may be set with DOS based software. The most common additional settings used by users are described below. LOW BAUD RATES The transceiver's data port baud rate may be set to 300, 600, or 900 baud. SETUP TIMEOUT When enabled, this mode invokes a timeout feature for the Setup Menu. If the transceiver goes into Setup mode and does not receive legitimate menu selections within 3 to 5 seconds, it will exit Setup and resume its previous mode. For more information, contact FreeWave Technical Support at (303) 381-9200. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 45 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Factory Default Settings FreeWave serial 900MHz transceivers are shipped from the factory with the following Default Settings:
Operation Mode Default Point to Point Slave 1 Set Baud Rate Default Baud Rate 115200
(A) Data Parity 0
(B) Modbus RTU 0
(C) RS232/485 0
(D) Setup Port 3
(E) TurnOffDelay/OnDelay 0/0
(F) Flow Control 0 Radio Parameters Default
(0) FREQ KEY 5
(0) HOP TABLE VERSION 0 80
(1) HOP TABLE SIZE
(2) HOP FREQ OFFSET 0 All 1s (Enabled)
(3) Frequency Zone 0
(4) Government Rules
(1) MAX PACKET SIZE 8
(2) MIN PACKET SIZE 9 1
(3) XMT RATE 3
(4) RF DATA RATE
(5) RF XMT POWER 20 0
(6) SLAVE SECURITY 0
(7) RTS TO CTS 255
(8) RETRY TIMEOUT
(9) LOW POWER MODE 0
(A) High Noise
(B) MCU Speed
(C) Remote LED 0 0 0 MultiPoint Parameters Default
(0) NUMBER OF REPEATERS 1
(1) MASTER PACKET 2 REPEAT 9
(2) MAX SLAVE RETRY 9
(3) RETRY ODDS
(4) DTR CONNECT 0
(5) REPEATER FREQUENCY 0
(6) NETWORK ID
(7) RESERVED
(8) MULTI MASTER SYNC
(9) 1 PPS ENABLE DELAY
(A) SLAVE/REPEATER
(B) DIAGNOSTICS
(C) SUBNET ID Rx ID Tx ID
(D) RADIO ID
(E) Local Mode
(F) Radio Name 255
0 255 0 0 Disabled F F Not Set 0 blank LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 46 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Examples of Data Communication Links FreeWave transceivers versatility allows data communication links to be established using a variety of different configurations. The example below shows the most common and straightforward link; a Master communicating to a Slave in a Point-to-Point link. The example below shows how a link might be set up using a Repeater. The Repeater may be located on a hilltop or other elevated structure enhancing the link from the Master to the Slave. In this configuration, it may be desirable to use an external Omni directional antenna at the Repeater. Yagi antennas may be used at both the Master and Slave transceivers. When a Repeater is used, the RF throughput is cut in half. The example below shows a link with two Repeaters between the Master and Slave. With two Repeaters more flexibility in getting around obstacles and greater total range is possible. Once again, it would be desirable to use external Omni directional antennas with the Repeaters, and attaching a Yagi to the Master and Slave to increase the range of the link. When two Repeaters are used no further degradation in the RF throughput of the link is experienced. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 47 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual The example below shows a configuration where a Master routinely calls a number of Slaves at different times. The Master is communicating with a transceiver designated as a Slave/Repeater that is connected to a remote device. Since this device is placed in an elevated location, the transceiver may also be used as a Repeater when it is not used as a Slave. At any time the Master may call any of the Slaves, establish a connection, and send and receive data. The next example depicts a standard Point-to-MultiPoint network. From the Master, any data is broadcast to all three Slaves, one of which receives it through a MultiPoint Repeater. The data is in turn sent out of the serial port of each of the three Slaves. The end device should be configured to interpret the serial message and act on it if necessary. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 48 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual The last example is a Point-to-MultiPoint network which uses one of the sites as a Slave/Repeater. This network functions in the same manner as a standard MultiPoint network with Repeaters. However, the number of radios may be reduced with the use of the MultiPoint Slave/Repeater feature. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 49 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Additional Transceiver information This section contains additional important information about FreeWave transceivers. The following topics are included in this section:
Board level pinouts for the 14-pin and 24-pin I/O ports GXM Specifications GXM board dimensional drawing LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 50 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Additional Transceiver information Board Level Pinout Model #GXM-T14 J1 - 14 pin, 2.00mm centers, Samtec TMM series, TMM-107-01-G-D-SM-options Mates with Samtec CLT, SMM, MMS, SQT, ESQT, SQW, TLE, TCSD, TLSD series Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Input/Output Input Input Input Ground Output Ground Input Output Input Output Input Output Ground Output Description Power Reset Data Terminal Ready Ground Transmitted Data Ground Received Data Carrier Detect Request To Send Clear To Send Diagnostic Received Data Diagnostic Transmitted Data Ground Baud Clock Note: See the following drawing for identification of pin numbers. Label B+
Interrupt DTR GND TXD GND RXD CD RTS CTS Diag RX Diag TX GND Baud Clock 13 11 9 7 5 3 1 14 12 10 8 6 4 2 LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 51 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual Board Level Pinout Model #GXM-T24 J1 - 24 pin, 2.00mm centers, Samtec TMM series, TMM-112-01-G-D-SM-A-M-TR Mates with Samtec CLT, SMM, MMS, SQT, ESQT, SQW, TLE, TCSD, TLSD series Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Input/Output Description Output Output Output Output Output
Input Input Input Ground Output Ground Input Output Input Output Input Output Ground Output
Remote CD LED Red Anode Remote CD LED Red Cathode Remote TX LED Red Anode Remote CTS LED Red Anode Remote CTS LED Red Cathode Reserved Power Reset Data Terminal Ready Ground Transmitted Data Ground Received Data Carrier Detect Request to Send Clear to Send Diagnostic Received Data Diagnostic Transmitted Data Ground Baud Clock Reserved Reserved Reserved Reserved Label B+
Interrupt DTR GND TXD GND RXD CD RTS CTS Diag RX Diag TX GND Baud Clock Note: See the following drawing for identification of pin numbers. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 52 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual GXM Specifications Specification Transmitter Frequency Range Output Power Range Line-of-sight Modulation RF Data Rate Occupied Bandwidth Hopping Patterns Hopping Channels Hopping Bands Frequency Zones RF Connector Receiver Sensitivity IF Selectivity Dynamic Range Data Transmission Error Detection Data Encryption Data Interface Data Connector Data Throughput Power Requirements Operating Voltage Current [mA]
2400 2483 MHz ISM Band 0 dBm (10 mW) to 27 dBm (500 mW) with option to limit to 20 dBm (100 mW) 20 miles 2 level GFSK Selectable speeds, 115.2 or 153.6 Kbps 230 kHz 15 per band, 105 total, user selectable 3 groups of 80 7, user selectable 16 zones MMCX
-105 dBm @ 115.2 Kbps for BER 10-4
-102 dBm @ 153.6 Kbps for BER 10-4 20dB at fc +/- 345 kHz 0 dBm 3rd Order Intercept Point at Input Connector 32 Bit CRC, retransmit on error Proprietary Spread Spectrum Technology 1200 bps to 230.4 Kbps Straight 14-pin or 24-pin dual row header 2.0 mm spacing 115.2 Kbps*
3.3 to 5.0 VDC Mode 3.3 VDC 5 VDC Transmit Receive Idle Sleep Hibernate 1200 mA 165 mA 35 mA 8 mA 0.5 mA 700 mA 135 mA 19 mA 6 mA 0.5 mA General Information Operating Temperature Range Dimensions Weight Humidity
-40 C to +85 C (-40 F to +185 F) 50.8 mm L x 36 mm W x 9.6 mm H (2 L x 1.4 W x 0.38 H) 15 g (0.53 oz) 0% to 95% non-condensing
* At 100% receive success rate. RF data rate setting of 2. LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 53 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual GXM Mechanical Drawing LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 54 Global Transceiver Module (GXM) Wireless Data Transceiver User Manual FreeWave Technical Support For up-to-date troubleshooting information check the Support page at www.FreeWave.com. FreeWave provides Technical Support, Monday through Friday, 8:00 AM to 5:00 PM, Mountain Time
(GMT -7) Call toll-free at 1-866-923-6168 or factory direct after hours at 303-381-9200 or email at moreinfo@FreeWave.com LUM0031AA FreeWave Technologies, Inc. 1180 S Flatiron Ct Ste F Boulder, CO 80501
(303) 381-9200 Version 1.0 55
| frequency | equipment class | purpose | ||
|---|---|---|---|---|
| 1 | 2011-05-04 | 2400.6528 ~ 2483.4816 | DSS - Part 15 Spread Spectrum Transmitter | Original Equipment |
| app s | Applicant Information | |||||
|---|---|---|---|---|---|---|
| 1 | Effective |
2011-05-04
|
||||
| 1 | Applicant's complete, legal business name |
FreeWave Technologies Inc.
|
||||
| 1 | FCC Registration Number (FRN) |
0024140386
|
||||
| 1 | Physical Address |
5395 Pearl Parkway
|
||||
| 1 |
Boulder, Colorado 80301
|
|||||
| 1 |
United States
|
|||||
| app s | TCB Information | |||||
| 1 | TCB Application Email Address |
h******@acbcert.com
|
||||
| 1 | TCB Scope |
A4: UNII devices & low power transmitters using spread spectrum techniques
|
||||
| app s | FCC ID | |||||
| 1 | Grantee Code |
KNY
|
||||
| 1 | Equipment Product Code |
715712152112
|
||||
| app s | Person at the applicant's address to receive grant or for contact | |||||
| 1 | Name |
R****** M********
|
||||
| 1 | Title |
Sr. Compliance Engineer
|
||||
| 1 | Telephone Number |
303-9********
|
||||
| 1 | Fax Number |
303 7********
|
||||
| 1 |
r******@freewave.com
|
|||||
| app s | Technical Contact | |||||
| n/a | ||||||
| app s | Non Technical Contact | |||||
| n/a | ||||||
| app s | Confidentiality (long or short term) | |||||
| 1 | Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: | Yes | ||||
| 1 | Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: | No | ||||
| if no date is supplied, the release date will be set to 45 calendar days past the date of grant. | ||||||
| app s | Cognitive Radio & Software Defined Radio, Class, etc | |||||
| 1 | Is this application for software defined/cognitive radio authorization? | No | ||||
| 1 | Equipment Class | DSS - Part 15 Spread Spectrum Transmitter | ||||
| 1 | Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant) | 2.4 - 2.4835 GHz Wireless Data Transceiver | ||||
| 1 | Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application? | No | ||||
| 1 | Modular Equipment Type | Single Modular Approval | ||||
| 1 | Purpose / Application is for | Original Equipment | ||||
| 1 | Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization? | No | ||||
| 1 | Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? | No | ||||
| 1 | Grant Comments | Limited Modular Approval. Output Power is Conducted. This device must be professionally installed. Marketing to the General Public is prohibited. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjuction with any other antenna or transmitter. Installers must be provided with antenna installation and transmitter operating conditions for satisfying RF exposure compliance. | ||||
| 1 | Is there an equipment authorization waiver associated with this application? | No | ||||
| 1 | If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded? | No | ||||
| app s | Test Firm Name and Contact Information | |||||
| 1 | Firm Name |
EMC Integrity, Inc.
|
||||
| 1 | Name |
M**** W********
|
||||
| 1 | Telephone Number |
303-7********
|
||||
| 1 | Fax Number |
303-7********
|
||||
| 1 |
m******@emcintegrity.com
|
|||||
| Equipment Specifications | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Line | Rule Parts | Grant Notes | Lower Frequency | Upper Frequency | Power Output | Tolerance | Emission Designator | Microprocessor Number | |||||||||||||||||||||||||||||||||
| 1 | 1 | 15C | 2400.65280000 | 2483.48160000 | 0.5000000 | ||||||||||||||||||||||||||||||||||||
some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details
This product uses the FCC Data API but is not endorsed or certified by the FCC