FCC ID: 2AAOY-WTSD-MIX31 Audio Processor

WTSD-MIX31K 3x1 Mic / Line / BT / AUX Mixer with Optional Dante Audio Network Interface 1 AtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Table of Contents Introduction ........................................................................................................... 3 Key Features .......................................................................................................... 4 Applications ........................................................................................................... 4 Package Contents .................................................................................................. 4 WTSD-MIX31K Component Interface ................................................................... 5 Front Panel Description ......................................................................................... 6 Rear Panel Description .......................................................................................... 9 WTSD BUS Structure .......................................................................................... 10 WTSD-PWBOB Features ......................................................................................11 Using Commercial Grade Bluetooth .................................................................... 13 Sleep Mode Feature ............................................................................................ 15 Things To Consider Before Installation ................................................................ 16 Things To Be Careful Of During Installation ......................................................... 16 Choosing A WTSD Wall Mounting Method ......................................................... 17 Electrical Boxes and Rings .................................................................................. 18 Installing the Power Supply ................................................................................. 20 Installing the WTSD Indoors ................................................................................ 20 Installing the WTSD Outdoors ............................................................................. 20 Using the Optional WTSD-COVER Accessory ..................................................... 21 Installing Multiple WTSD Mixers On the Same BUS .......................................... 22 Using the WTSD-PWHUB Accessory .................................................................. 23 Connecting to WTSD To a Dante Network ........................................................ 23 WTSD Product Family ......................................................................................... 24 Optional Accessories ........................................................................................... 24 Specifications ...................................................................................................... 25 Block Diagram ..................................................................................................... 29 Dimensional Drawings ........................................................................................ 30 FCC Warning ........................................................................................................ 31 Warranty .............................................................................................................. 32 2 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Introduction Model WTSD-MIX31K is a 3x1 Mic / Line / Aux / Bluetooth analog mixer that features a balanced microphone / line input and an auxiliary 3.5mm and Bluetooth summed input with a balanced line output. The WTSD-MIX31K utilizes commercial grade Bluetooth technology featuring ultra low noise levels, long range connectivity, no auto connect and quick disconnect bump feature. Selection between mic or line level for the XLR input is done via front panel switch. The high gain mic inputs incorporate user enabled Phantom Power for condenser microphones and a 125Hz low cut filter to eliminate unwanted low frequency interferences. A local mute button mutes output to the bus and a system priority button can mute building wide BGM systems to isolate the room. An adjustable VOX feature allows for AUX input background audio to be muted when announcing is present. The AUX input is a stereo 3.5mm jack and is electronically summed to achieve the best audio performance. Separate level controls for each input provide control for the audio mix needed. A basic WTSD system consists of four elements; a WTSD mixer, Cat5/6 cable, inline 24V DC power supply and an end point break out board / hub. All four are included with the purchase of a WTSD mixer except for the Cat5/6 cable. A 2-gang box is all that is needed to complete an installation. There are two versions of the WTSD end points offered. The WTSD-PWBOB comes with each unit and features a balanced audio output with signal, mute, system priority and power LEDs and 12V DC logic output for remote system muting or power sequencing. The WTSD-PWHUB is sold separately and features level control at the system head end, input limiting, isolated relay outputs to trigger system priority muting or system power activation, and an emergency mute port. The WTSD features an energy saving auto sleep function that can shut off the audio system when not in use after approximately 1 hour. As soon as the WTSD mixer senses an audio signal, the WTSD sends a command down the bus to wake the system up. The WTSD-MIX31K analog audio BUS can easily be converted to an Audinate Dante digital signal by interfacing with the optional AtlasIED TSD-DAC2i converter. The WTSDs are uniquely designed to fit into most 2-gang electrical boxes and utilize industry standard Cat5/6 cable for power, control, and audio. The WTSDs deliver high quality audio hundreds of feet by the use of a low noise / high gain preamp design and balanced audio bus. The proprietary low voltage bus is designed so that up to 3 WTSD mixers can be daisy chained on the same bus cable run while allowing for independent mixer operation. Each WTSD incorporates separate level controls for each input, a local mute, system priority override and an auto sleep function. The optional WTSD-COVER stainless steel weather resistant locking security cover with gaskets is available for tamper proof indoor or outdoor applications. The PCBs are weather treated to reduce corrosion in damp environments. With the PCB treatment and the WTSD-COVER accessory, the installation will have protection against the environment and tamper protection for years of continuous operation. 3 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Key Features Indoor or Outdoor Use XLR Balanced Mic or Line Input with Level Control 3.5mm Stereo Actively Summed Input with Level Control Commercial Grade Bluetooth Input with Level Control Wall Plate Mounted, Fits Into Most 2-Gang Boxes Uses Industry Standard Cat5/6 Wire DC Bus with Peak Indicator High Gain Balanced Line Output for Long Distance Applications Up to 400ft 125Hz /12dB Low Cut Filter for Mic / Line Local Mute or VOX Mute Remote Trigger Output for Remote Amplifier Turn On System Priority Mute Function Input Signal & Peak Indicators Energy Saving Auto Sleep Mode Pairing Connect / Disconnect Switch WTSD-COVER Water Resistant Stainless Steel Locking Cover (Optional) WTSD-PWHUB Receiver with Limiter and Isolated Relays & Emergency Mute (Optional) TSD-DAC2i Analog to Dante Digital Audio Transmitter (Optional) Applications Indoor / Outdoor Sports Complexes Schools - Gymnasiums, Rally Areas Hotel Ballrooms Community Multi-use Facilities Industrial Facilities Package Contents WTSD-MIX31K, Qty 1 WTSD-PWBOB, Qty 1 Inline Power Supply 24VDC 1A, Qty 1 6/32 x 1" Pan Head Screws, Qty 4 RJ45 Shims, Qty 4 Manual, Qty 1 4 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. WTSD-MIX31K Component Interface The WTSD-MIX31K connects to the WTSD-PWBOB via Cat5/6 cable. The 24VDC 1A power supply connects to the WTSD-PWBOB. The WTSD-PWBOB connects to the amplifier. Note: The max cable distance from WTSD-PWBOB to WTSD-MIX31K is 400ft. The Cat5/6 cable is not included. 5 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Front Panel 8 13 7 11 1 6 5 4 10 19 1 15 17 3 12 14 16 18 2 1 9 1. Mounting Holes Fits a 2-gang NEMA electrical box. 2. Active / Power Indicator Illuminates blue when 24VDC is present. 3. Sleep Indicator Illuminates yellow when no audio signal is sensed at the WTSD after 1 hour. Note: Each WTSD sleep indicator operates independently. Refer to Sleep Mode Feature section for details. 4. Mic / Line Input Connects to balanced line or mic level sources via the XLR connection. For mic or line input gain selection, press the Mic / Line mode switch. When the line-in indicator is illuminating green the input will accept line level signals. Note: Unbalanced line inputs can be inserted with proper wire configuration by connecting the Pin 1 (G) and Pin 3 () terminals together. 5. Mic / Line Mode Switch For mic or line input gain selection, press the Mic / Line mode switch. When the line-in indicator is illuminating green the input will accept line level signals. 6 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 6. Line Mode Indicator When the line-in indicator is illuminating green the XLR input is in line mode. 7. Mic / Line Level Adjust the level Mic / Line input signals. Turn clockwise to increase the signal level and counter-clockwise to decrease it. 8. Mic / Line Input Signal Indicator Illuminates green when the input signal strength reaches 25mV to verify a signal path. Note: The LED will not illuminate if the input level is turned Off / fully counter-clockwise. 9. Music Input 3.5mm Electronically sums unbalanced audio signals through stereo 3.5mm input connector. The music level control is on the front panel. This input can be muted via the VOX adjustment pot for priority paging applications. Note: The 3.5mm input will take priority over the Bluetooth signal. 10. Bluetooth Music Connect / Disconnect Switch Use this switch to pair a device, connect to a device or disconnect a device. Refer to the Using Bluetooth Section for detailed usage information. 11. Bluetooth Status Indicator This blue indicator has different modes to indicate the status of the Bluetooth connectivity. Refer to the Using Bluetooth Section for detailed usage information. 12. Music Level Adjust the level 3.5mm / Bluetooth input signals. Turn clockwise to increase the signal level and counter-clockwise to decrease it. 13. Music Input Signal Indicator Illuminates green when the input signal strength reaches 25mV to verify a signal path. Note: The LED will not illuminate if the input level is turned Off / fully counter-clockwise. 14. Local Mute Switch When the local mute switch is pressed, all local input signals will be muted and the local mute indicator will illuminate red. 15. Local Mute Indicator Illuminates red when the local mute switch is pressed. All local inputs signals will be muted. 16. System Priority Switch When the system priority switch is pressed, the system priority circuit is activated and sends a command to the WTSD-PWBOB. The system priority port on the WTSD-PWBOB will have 10V DC present to trigger a command on an external product such as muting or turning an amplifier or power strip On or Off. Note: A relay is activated when using the WTSD-PWHUB instead of the WTSD-PWBOB. Refer to the WTSD-PWHUB features for more details. 7 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Front Panel 17. System Priority Indicator Illuminates red when the system priority switch is pressed. 18. System Peak Indicator Illuminates red when the input signal reaches 3dBV below when signal clipping will occur. Occasional flashing is normal but if this indicator is continuously on, then reduce the input level using the input level control on the front panel. 19. Bluetooth Antenna Cover This cover protects the Bluetooth antenna. Do not push on this cover or damage may occur. 8 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Rear Panel 1 2 4 3 1. RJ45 Input To WTSD, PWBOB, PWHUB Connect the Cat5/6 cable between the WTSD being installed and a WTSD-PWBOB or WTSD-PWHUB. If there is more than one WTSD in the same BUS loop, this port connects to the second WTSD From RJ45 port. 2. RJ45 Output From WTSD This port should only be connected to a second WTSD port label To WTSD. 3. Configuration Switch DIP Switch 1 - Phantom - 24VDC Phantom Power applies power for condenser mic operation to Mic input terminal. Up position is On. DIP Switch 2 - Mic PAD Disable - When in the up position the mic gain setting will be the most sensitive. When the switch is in the down position, the 10dB pad is engaged. DIP Switch 3 - Mic HPF - Low Cut filter engages at 125Hz with a roll off rate of 12dB per octave on the Mic / Line input. This filter operates either in the Line or Mic mode DIP Switch 4 - Sleep Disable - When in the up position the sleep mode will not be engaged. When in the down position and no audio is present for 1 hour, sleep mode will be activated. 4. VOX Adjustment Potentiometer Adjusts the sensitivity of the mute circuit for priority paging messages. Set fully counter-clockwise to turn this function Off. Turn clockwise to increase the sensitivity of the audio signal to trigger the music signal mute function. and is available on input 1. Ideal for vocal microphones to reduce low frequency energy and to increase intelligibility. Up position is on. 9 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. WTSD BUS Structure I

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1 3 X M D S T W WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. WTSD-PWBOB Features The power break out box (PWBOB) is a DC power injector / trigger control / audio interface module. Each WTSD kit comes with a WTSD-PWBOB. This module can be placed in an equipment rack and connected to a WTSD via Cat5/6 cable. The PWBOB serves as the DC power injector to power WTSDs. The PWBOB is also the audio interface between a power amplifier, DSP or mixer. The indicators on the PWBOB are a useful visual guide to see the status of a WTSD that may be located several hundred feet away from the PWBOB in the equipment rack. 2 8 9 10 11 6 5 7 4 1 3 12 1. Power Supply Input Connect 24V DC Input. Note: Pay attention to supply + & polarity. The 24VDC 1A power supply that comes with the kit will have the 2-position connector installed on the wires. 2. PWR Indicator This power indicator will illuminate green when 24V DC power is present at the Power Supply input. 3. RJ45 to WTSD Interface Connect a Cat5/6 cable to a WTSD RJ45 input marked TO WTSD PWBOB, PWHUB 4. Balanced Audio Output This 3-position port provides a balanced audio output to connect to an audio mixer or amplifier input. Follow the wiring information for system interface. For unbalanced signals connect the (GND) and the () terminals together. A removable 3-position 3.5mm pitch Euro / Phoenix connector is supplied. 5. SYS Peak Logic Port This logic port will provide a minimum of +1VDC when any of the WTSD audio input signals are too high and the system peak LED is illuminated. Connect this port to an external VCA limiter for additional system protection. 11 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 6. Sleep Mode Logic Port When the WTSD does not sense audio after 60 minutes, the WTSD panel and WTSD-PWBOB sleep LED illuminate and this port logic voltage goes from 0V to +22VDC

(use power supply -24VDC (GND). This can be used to power On / Off an amplifier that is equipped with remote turn such as AtlasIED HPA amplifiers or to trigger an AC Mains power strip / sequencer On / Off like the AtlasIED AP-S20RT, AP-ECS3 or AP-ECS204. The

+22VDC low current logic voltage allows the sleep mode feature to interface with a wider range of products that have remote turn on capability. This output current is limited to 2mA, protecting any equipment remote turn on interface. If the logic voltage is too high, AtlasIED recommends using the WTSD-PWHUB. Note: Most products list a minimum threshold voltage and current required to turn the product On / Off. 7. Priority Logic Port When a WTSD system priority switch is pressed On, the system priority circuit is activated and sends a command to the system priority logic port on the PWBOB. A 12V DC logic will be present to trigger an external product action item such as muting an audio background system or to turn an amplifier or AC mains power strip On / Off. 8. Sleep Mode Indicator Illuminates green when no audio signal is sensed at the WTSD after 1 hour. Note: Refer to the sleep mode feature section for feature details. 9. Priority Indicator When a WTSD system priority switch is pressed On, the system priority circuit is activated and sends a command to the WTSD-PWBOB to the LED to illuminate green. 10. SYS Peak Indicator This indicator illuminates red when WTSD audio input signals are too high triggering the system peak LED. 11. Signal Indicator This indicator illuminates green when a WTSD input has audio present. 12. Mounting Hole This mounting hole accepts a 1/4" bolt to mount to an equipment rack DIN rail. 12 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Using Commercial Grade Bluetooth The WTSD-MIX31K utilizes a commercial grade Bluetooth technology featuring ultra-low noise digital interference, high gain output, non-auto connectivity and a local disconnect bump feature. These features are not found in a consumer Bluetooth device. In commercial applications speakers that are commonly used are designed to deliver a high sound levels (SPL). These speakers are designed to be very efficient and are sensitive to unwanted noise from the amplifier or audio source. Bluetooth technology was intended for consumer applications and can produce unwanted digital noise at high volume levels. The WTSD-MIX31K was designed to reduce or eliminate the digital noise issue. Another common issue using consumer grade Bluetooth is the auto connect feature commonly used. Auto connect is ok when getting in and out of a vehicle, but in a commercial application it is not good to have someone walk into a room such as a gym and auto connect giving them unauthorized control over the audio system. Another common issue with consumer Bluetooth technology is when someone is unknowingly connected to the audio system and no one else can take control over the audio system because it is connected / locked to a person in the room. The WTSD-MIX31K does not utilize auto-connect technology and has the ability to bump a paired device from its connection by pressing the Bluetooth music disconnect switch. These features combined make the WTSD-MIX31K ideal for commercial applications. 1. First Time Pairing Turn the music level control all the way down (fully counter-clockwise). Press the Bluetooth music connect / disconnect switch 1 time. The Bluetooth LED will begin to blink blue. Go to the Bluetooth setting on the audio device being paired. Find Atlas MIX31 and select pair. Once paired the Bluetooth LED will turn to steady state illumination, indicating the device and the WTSD-MIX31K are now connected. Before playing music, adjust the audio device level to 3/4 of the max source level. Slowly turn the music level control to the desired listening level. 2. Disconnecting the WTSD-MIX31K from the Paired Audio Source Press the Bluetooth music disconnect switch on the WTSD-MIX31K. Turn Off the Bluetooth feature on the paired audio device. When disconnected the Bluetooth LED will not be illuminated. If the device fails to connect in 30 seconds the Bluetooth LED will turn Off and restart the pairing process. 13 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 3. Reconnecting an Audio Source Turn the music level control all the way down (fully counter-clockwise). Press the Bluetooth music connect switch 1 time. The Bluetooth LED will blink. Select Atlas MIX31 in the Bluetooth device settings. The Bluetooth LED will illuminate a steady state indicating the device and the WTSD-MIX31K are connected. Before playing music, adjust the audio device level to 3/4 of the max source level. Slowly turn the music level control to the desired listening level. 4. Out of Range Auto Connect The WTSD-MIX31K has great range when compared to other Bluetooth devices due to the antenna placement within the device. Achievable range for Bluetooth connection is 100ft

(33m) line of site. If the paired device goes out of the Bluetooth connection range from the WTSD-MIX31K the following will happen:

Bluetooth indicator will blink indicating it is about to be disconnected from the audio After 1 minute, the Bluetooth LED will stop illuminating indicating the audio source was disconnected. The Bluetooth connect switch will need to be pressed to re-connect. Intermittent music indicates the user needs to move closer to the WTSD-MIX31K. If the user walks completely out of range, the WTSD-MIX31K will remain paired to the last device for 1 minute looking to reconnect. After 30 seconds of searching, the source. 14 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Sleep Mode Feature AtlasIED AP-S20RT, AP-ECS3 or AP-ECS204. The 22VDC low current logic AtlasIED recommends using the WTSD-PWHUB. Note: Most products list a minimum threshold voltage and current required to turn the product On / Off. voltage allows for the sleep mode feature to interface with a wider range of products that have remote turn on capability. This output current is limited to 2mA, protecting any equipment remote turn on interface. If the logic voltage is too high, The WTSD family features an energy saving green mode of operation called Sleep Mode. Sleep mode is activated when a WTSD does not sense any audio present after 60 minutes. After 60 minutes of no audio present the following happens:

1. One WTSD with a WTSD-PWBOB A. The WTSD panel sleep LED illuminates yellow. B. WTSD audio output is muted, not the BUS. C. The PWBOB sleep LED illuminates green. D. The PWBOB sleep port logic goes from 0V 22V. This can be used to power amplifiers On / Off that are equipped with remote turn such as AtlasIED HPA amplifiers or to trigger an AC Mains power strip / sequencer On / Off like the 2. Two or three WTSDs with a WTSD-PWBOB and one WTSD receives audio and wakes up. A. All WTSD panel sleep indicators illuminate yellow. B. One of the WTSDs receives audio and wakes up from sleep mode and the sleep C. The woke WTSD audio output is unmuted passing audio onto the BUS. The D. The WTSD-PWBOB sleep LED is not illuminated. E. The WTSD-PWBOB sleep port logic goes from 22V 0V. This voltage can be used 3. One WTSD with a WTSD-PWHUB A. The WTSD panel sleep LED illuminates yellow. B. WTSD audio output is muted, not the BUS. C. The WTSD-PWHUB sleep LED illuminates yellow. D. The PWHUB auto sleep port relay is engaged and goes from Normally Closed mute an audio system or to turn Off any equipment such as amplifiers or power to unmute an audio system or to turn On any equipment such as amplifiers or power strips.

(NC) to Normally Open (NO) contact position. This contact closure can be used to indicator turns Off. The other WSTD sleep indicator(s) remains yellow. other WTSD(s) remains locally muted. strips to help conserve energy. 15 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. indicator turns Off. The other WSTD Sleep indicator(s) remains yellow. 4. Two or Three WTSDs with a WTSD-PWHUB and one WTSD receives audio and wakes up. A. All WTSD panel sleep indicators illuminate yellow. B. One of the WTSDs receives audio and wakes up from sleep mode and the sleep C. The woke WTSD audio output is unmuted passing audio onto the BUS. The other D. The WTSD-PWHUB sleep LED is not illuminated. E. The WTSD-PWHUB auto sleep port relay goes from Normally Open (NO) to Normally Close (NC) contact position. This voltage can be used to unmute an audio system or to turn On any equipment such as amplifiers or power strips. WTSD(s) remains locally muted. Things to Consider Before Installation application. 1. Select the correct mounting method. It is critical to fit the WTSD and the wires in the box without causing damage to the WTSD. Refer to the section Choosing a WTSD Wall Mounting Method for details on selecting the correct mounting method for the 2. Check for local electrical codes for low voltage installation requirements. 3. Do not use shielded Cat5/6 cable. The RJ45 connectors on the WTSD do not have a ground connection for the shield, so it is not necessary. The STP Cat6 can also be less 4. If using a WTSD outdoors, make sure the optional WTSD-COVER is used and do not expose directly to rain or snow. At minimum, place under an eve. flexible when installing in a back-box. Things to Be Careful of During Installation can damage the WTSD. interference can happen. 1. If using a shallow electrical back-box do not stuff the cables if there is no room. This 2. When running the Cat5/6 cable use standard IT wiring practices. If not, noise 3. Avoid AC mains power. Never run the WTSD BUS cable parallel next to AC 120V 240V electrical runs and stay clear of AC outlets, or unwanted noise pick up can occur. 4. Using low grade / cost RJ45 connectors can cause an intermittent connection and popping in the audio system may occur. 16 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Choosing a WTSD Wall Mounting Method When selecting the correct installation method of a WTSD it is important to know the state / city electrical codes. The WTSD should not be required to be mounted a in a UL certified electrical box. This is because the WTSD family meet lows voltage electrical codes. AtlasIED suggests following IT wiring practices. Check for local electrical codes and requirements before starting installation. Note: It is not advisable to bundle IT-Data infrastructure wiring runs with the WTSD-BUS long runs. All WTSDs are designed to mount using standard 2-gang (NEMA) size hole spacing and fasteners. Fasteners are included with the WTSDs along with a WTSD-PWBOB and a 24VDC-PSU. If only one WTSD-MIX31K or WTSD-MIX41K is used in a system, then only one Cat5 or 6-RJ45 to RJ45 (T568 non-crossover cable), will be needed to connect the WTSD to the WTSD-PWBOB at the head-end. If other WTSDs are needed in the same system, then a loop thru or 2 x Cat5 or 6 (one IN and one OUT) will be the max amount of wiring inside of a back-box. The overall depth of the WTSDs are approximately 2.5". The RJ45 connectors plug in vertically on the rear inside of the 2.5" depth (see diagram below). It is always a good practice to include a service loop length of cable to allow removing the wall plate without pulling cable and possibly damaging the WTSD. The diagram shows that 3" depth is the minimum space required to allow for the cable to be looped. WTSD mounting options are:

1. Electrical 2-gang box 2. Wall mount 2-gang retro fit ring 3. Direct surface mount (this requires a 3.25" W x 2.70" H hole) 17 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Electrical 2-Gang Box Mounting When planning to install the WTSD-MIX31K back-box types and depth clearances need to be considered. This document in no way includes all options available that will work for the WTSDs. It is simply a guide to help save time when determining and planning materials for a project. 1. 2-Gang Low Voltage Retro-Fit Back-Box Where a retro-fit full back-box is required, most deep (3" min or 34 in3) low voltage retro-fit 2-gang back-boxes will work. Figure 1 is a Carlon 2-gang low voltage retro-fit 3-5/8" deep box. Figure 2 is a Legrand Pass & Seymour 2-gang low voltage retro-fit 32 in3, 3" deep back-box. Figure 1 Figure 2 2. 2-Gang Low Voltage New Construction Box Where Class 2 low voltage wiring is acceptable but new construction prewiring is required, most deep (3" or 34 in3) low voltage new-work 2-gang back-boxes will work. Figure 3 is an Arlington FA102GC 2-gang adjustable 43.5 in3, which provides the most space for wiring found by AtlasIED. Figure 4 is a Carlon B234ADJ, 2-gang, 3" depth adjustable back-box. It has a little less space than the Arlington. Note: This back-box is easier to use after breaking out the Romax clamp tabs. Figure 3 Figure 4 18 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 3. 2-Gang Outdoor Box Figure 5 is a BELL-5389, 36 in3 metallic 2-gang box coupled with Figure 6, a Bell-5407-0B 1-1/32" deep weatherproof extension ring that fits on the front and comes with a gasket. Use these when outdoor all-weather protection is required. In this application use a WTSD-COVER over the WTSD to seal the assembly. Figure 5 Figure 6 4. 2-Gang Low Voltage New Construction Rings Where Class 2 low voltage wiring is acceptable but new construction prewiring is required, most low voltage new construction rings will work. Figure 7 is a Thomas & Betts CARSC200ADJ 2-gang box. Figure 8 is a Thomas & Betts CARSC200A box with Smurf Tube mounts. Smurf Tube couplers can be problematic with the WTSDs. If the couplers are used they need to be kept almost flush to the inside of the ring in order to clear WTSDs. Figure 7 Figure 8 19 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 5. 2-Gang Low Voltage Retro-Fit Ring Where Class 2 low voltage wiring is acceptable and cut-in retro-fit install is required, most low voltage rings will work. Figure 9 is an Arlington LV2. Installing the 24VDC Power Supply Figure 9 Powering the WTSD BUS requires use of the included external power supply. A UL Certified external 24VDC 1A power supply is supplied to power the WTSD-MIX31K. It is suggested to place the WTSD within 10ft of a 120V AC outlet. If this is not possible, the power supply wire for the 24VDC output can be extended up to 50ft. Note: This does not void the warranty as it is the low voltage wire that is being extended. Pay attention to the DCV polarity when reconnecting the removable Phoenix connector. Only use the included approved power supply or failure may occur. Must be installed by a qualified technician. Local electrical codes will apply. Installing the WTSD Indoors It is recommended before installing the WTSD to review the local codes for placement of the device. Installing a WTSD does not require using the WTSD-COVER but it is recommended to use the WTSD-COVER for security reasons. Refer to the WTSD-COVER section for more details. For most indoor applications, a low voltage electrical ring is all that is required to mount the WTSD. Using an electrical ring with a WTSD allows for an easy spacious installation. Installing the WTSD Outdoors If using a WTSD outdoors, it is recommended to use the optional stainless-steel locking WTSD-COVER. The WTSD needs to be mounted in a location that is under a building overhang or a under weather deflection shield. Note: Do not place directly in rain or snow. Using a quality outdoor electrical box is critical to obtaining a weather sealed fit. 20 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Using the Optional Weather Resistant WTSD-COVER The WTSD-COVER optional stainless-steel locking cover can be used in indoor or outdoor applications. It works with most 2-gang electrical outlet boxes. It comes with factory mounted gaskets to seal the cover to the WTSD and electrical box. Note: If using outdoors it is recommended to locate the WTSD and WTSD-COVER under a building overhang. Do not place directly in rain or snow. The WTSD-COVER is supplied with stainless-steel screws and a locking set of keys (2). The gaskets are factory mounted; one on the ring to seal against the WTSD wall-plate, and one on the inside of the door to seal the door when it is closed. 21 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Installing Multiple WTSD Mixers On the Same BUS The proprietary WTSD low voltage bus is designed so that up to 3 WTSD mixers can be daisy chained on the same bus cable run while allowing for independent mixer operation. Even when daisy chained each WTSD incorporates separate level controls for each input, a local mute, system priority override and an auto sleep function. All WTSD models are interchangeable within the WTSD BUS. The furthest distance between the sound system front end (WTSD-PWBOB or WTSD-PWHUB) and the furthest WTSD wall mixer is 400ft to remain within the noise level specifications. Pay attention to the daisy chain wire looping. Refer to the diagrams below. 22 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Using the WTSD-PWHUB (Accessory) In some applications, the WTSD-PWHUB can be used in place of a WTSD-PWBOB. The advantage of using a WTSD-PWHUB over a WTSD-PWBOB is that the WTSD-PWHUB has a variable gain control at the rack, a variable hard limiter, auto sleep and system priority override relay contacts instead of voltage triggers. It also provides an emergency override GPIO port to interface with fire / evacuation systems. In this example, the WTSD-PWHUB uses the auto sleep relay to turn the main room amplifier On / Off. Connecting a WTSD to Dante Network The WTSD analog audio BUS can easily be converted to an Audinate Dante digital signal by interfacing a WTSD-PWBOB or WTSD-PWHUB with the optional AtlasIED TSD-DAC2i. The PoE powered TSD-DAC2i transceiver has two channels of network audio and will support two separate WTSD systems. 23 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. WTSD Product Family WTSD-MIX31K WTSD-MIX41K WTSD-XLR4 WTSD-COVER WTSD-PWBOB WTSD-PWHUB Optional Accessories WTSD-COVER - Lockable Weather Resistant Stainless Steel Cover RJ45 Shims - There are many manufactures of RJ45 connectors and Ethernet cables that vary in size tolerance. These slight size variations can cause intermittent connectivity issues. This does not happen often, but if encountered, these issues can be easily resolved by using the RJ45 shims to fill the small gap between the RJ45 male connector and the RJ45 PCB mating receptacle. With the RJ45 inserted into the receptacle, slide a shim between the male connector and the PCB mounted receptacle. This is shown in the illustration below. Note: All 4 shims are not required to be used. 24 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. System Type Optional Accessories WTSD-COVER WTSD-PWHUB TSD-DAC2i Inputs Input Type Music Input Impedance Input Level Input Type Music Input Impedance Input Level Input Type Connection Location Impedance Phantom Low Cut Filter Line Input Level Maximum Input Mic Input Level Input Type Connection Location 3x1 Mic / Line, AUX, Bluetooth, Wall Plate Audio Mixer Locking, All Weather Stainless Steel Audio / Power Interface with Level Control, Limiter, Emergency Mute Override, Auto Sleep, System Priority GPIO Ports (Replaces the WTSD-PWBOB) Analog to Dante Digital Audio Transmitter Unbalanced, Qty 1 3.5mm Stereo Summed (Has Priority Over Bluetooth Signal), Front Panel 10k 316mV (-10dBV) = 2V (+6dBV) Balanced Output, Maximum Input 1.6V (4.1dBV) Unbalanced, Qty 1 Bluetooth 4.1 Commercial Grade

(Unique Features: Ultra Low Noise, Long Range Connectivity, No Auto Connect and Quick Disconnect Bump Feature) 10k 1V (0dBV) = 2V (+6dBV) Balanced Output, Maximum Input 1.6V (4.1dBV) Balanced Mic or Line, Selectable via Flush Mount Panel Switch, Qty 1 XLR Female Socket Front Panel 1.2k Balanced, 600 Unbalanced 24VDC Defeatable Rear Panel DIP Switch 125Hz / 12dB Defeatable Rear Panel DIP Switch 500mV (-6dBV) Balanced = 2V (+6dBV) Balanced Output 4V (+12dBV) 1. No Pad Applied = 5mV (-46dB) = 2V (+6dBV) Balanced Output 2. 10dB Pad Applied = 15mV (-36dB) = 2V (+6dBV) Balanced Output 3. Maximum Input 40mV (-27dBV) 4. Mic On Indicator Front Panel, Green Input - WTSD BUS RJ45 Rear Panel 25 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Outputs Output Type Output - WTSD BUS Interfaced with the WTSD-PWBOB or WTSD-PWHUB Connection RJ45 Audio Logic Location Controls Analog Balanced Line (Part of BUS) Auto Sleep, System Mute, System Priority Rear Panel Music Level Control Controls the Levels of Bluetooth & 3.5mm Input, Front Panel, Qty 1 Knob Mic / Line Level Control Mixes the Levels of Mic Input or Line, Front Panel, Qty 1 Knob Mic / Line Switch Flush Mount Latching Push Switch, Front Panel System Priority Switch Latching Push Switch, Front Panel Local Mute Switch Latching Push Switch, Front Panel BT Connect / Disconnect Used as a Bluetooth Pairing and Override Disconnect VOX Mute Sens DIP Switch Indicators Mic / Line Phantom Sleep Power Bluetooth Trim Adjust for Mic Line Sensitivity (VOX Trigger Threshold Adjustment Range Off to 500uV), Rear Panel 4 Position, Phantom, Mic PAD Disable, 125Hz HPF, Auto Sleep Disable, Rear Panel Green LED When Line Mode, Front Panel Red LED When in Mic Mode, Front Panel Yellow LED When in Auto Sleep Mode Blue LED When the DC Bus is Active Blue LED When BT is Active 26 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Technical Data Frequency Response 20Hz - 20kHz 1dB THD Audio Output Logic Output DCV BUS Signal To Noise Cable Distance Cable Type Bluetooth Sleep Mode 0.06% @ 1kHz Balanced Line, Max Output 6V (+15dBV) 12V DC 24V DC Line Input: 81dB @ 100ft Cat5/6 Cable, 77dB @ 400ft Mic Input: 75dB @ 100ft Cat5/6 Cable, 72dB @ 400ft Music Input: 77dB @ 100ft Cat5/6 Cable, 74dB @ 400ft Note: Signal Unit Measurement, Levels Set to Max. Noise Referenced to a 1V / 0dBv Output. Noise Will Vary with Cat5/6 Length. Maximum Cable Length is 400ft Suggested Cable is Cat5/6 Version 4.1, Commercial Grade After 1 Hour with No Audio Activity, Audio BUS is Muted, Sleep BUS 22V Logic is Activated, WTSD Wake Up Voltage Threshold 3mV VOX Threshold Range Off to 500mV Mic / Line Signal Indicator On Threshold Input Voltage, Mic 300uV No PAD, Mic 2mV with 10dB PAD, Line 30mV Music Signal Indicator On Threshold System Peak Indicator On Threshold 10mV Input Voltage, Mic 20mV No PAD, Mic 110mV with 10dB PAD, Line 2V, Music 3.5mm / Bluetooth 1V Mic / Line Hi-Pass Filter 12dB per Octave, Butterworth Ambient Operating Conditions Maximum Temperature 104F / 40C Minimum Operating Temperature Maximum Humidity Mounting Wall Controller 14F / -10C 90%

2-Gang Electrical Box (If Mounting in an Electrical Box, a Deep Box with a Minimum of 3" is Required. See Manual for Suggested Mounting Options) WTSD-PWBOB Screw (Center 1/4" ), Adhesive 3M Tape 27 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Power Requirements Voltage DC Current Draw AC Power Supply Consumption Current AC Power Supply Consumption Watts BTU Mechanical Chassis Finish Chassis Material 24V DC (24VDC 1A Power Supply Included with WTSD-MIX31K) 110mA (Note 1) 52mA (Note 1) 2.5W (Note 1) 8.5 BTU (Note 1) White Steel Product Dimensions (HxWxD) 4.37" x 4.34" x 2.5" (111mm x 110mm x 64mm) Shipping Dimensions (HxWxD) 3.34" x 8.2" x 5.4" (85mm x 209mm x 138mm) Unit Weight Shipping Weight 0.53 lbs. (0.24kg) 1.3 lbs. (0.61kg) Electrical Box Required 2-Gang, Deep Box Required, 2.6" Minimum Depth (Note 2) WTSD-PWBOB (Included with WTSD-MIX31K) Type Input Connection Input Connection Output Connection Indicators WTSD Interface Module RJ45 From WTSD BUSS 2 Position Phoenix 3.5mm Pitch, DC Input 24V 6 Position Phoenix 3.5mm Pitch, Balanced Audio Output, System Priority Logic 12VDC, 2mA Sleep Mode Logic 22VDC, 2mA System Peak Logic 1VDC, 2mA Power, Green LED Sleep Mode, Green LED System Priority, Red LED System Peak, Green LED Signal, Green LED Safety & Certifications Safety Listing (External Power Supply) cUL, CE, RoHS, TUV WTSD-MIX31K Bluetooth FCC, IC (Canada), Bluetooth Certified Note 1: Current draw, watts and BTU is based on 1 WTSD. For each additional WTSD added in series, add the additional draw. Example: 2 WTSD = 104mA, 3 WTSD's = 156mA of DC Current draw. Note 2: Electrical box requirements - For additional information refer to manual for recommended box types. 28 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Block Diagram 5 4 J R N I N 1 P 2 P 3 P I i S U B x M o n o M d e c n a a B l N I l a B 5 4 J R T U O 1 P 2 P 3 P

+ _ t u O l a B t i u O S U B x M o n o M d e c n a a B l 5 4 J R T U O 5 4 J R N I 5 4 J R T U O 5 4 J R N I S U B R E G G R T V 2 2 I 7 P 7 P

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c M i l a B t u p n I WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Dimensional Drawings 4.33"

(110mm) 2.5"

(64mm) Mic / Line Level Line In Music Level

+

M i c

/

i L n e I n SEL Mic/Line Phantom Power

+

Bluetooth Music Connect / Disconnect Music In WTSD-MIX31 Audio Mixer Local Mute System Priority System Peak Sleep Active 4.37"

(111mm) 4.75"

(121mm) Mic / Line Level Line In Music Level

+

M i c

/

i L n e I n SEL Mic/Line Phantom Power

+

Bluetooth Music Connect / Disconnect Music In WTSD-MIX31 Audio Mixer Local Mute System Priority System Peak Sleep Active 4.75"

(121mm) Dimensions with Optional WTSD-COVER 30 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. FCC Statement Federal Communication Commission Interference Statement 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, there is no guarantee 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. Connect the equipment into an outlet on a circuit different from that to which the Consult the dealer or an experienced radio/TV technician for help. FCC Caution:

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. Non-modification Statement:

Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Increase the separation between the equipment and receiver. receiver is connected. Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. 31 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. ISED Statement 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. Radiation Exposure Statement This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. Dclaration ISED Le prsent appareil est conforme aux CNR dIndustrie Canada applicables aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes:

(1) lappareil ne doit pas produire de brouillage, et

(2) lutilisateur de lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement. Dclaration dexposition aux radiations Cet quipement est conforme Canada limitesdexposition aux radiations dans un environnement non contrl. Cet quipement doit tre install et utilis distance minimum de 20cm entre le radiateur et votre corps. 32 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Notes:

33 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Notes:

34 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Notes:

35 WTSD-MIX31KOwners ManualAtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. Limited Warranty All products manufactured by AtlasIED are warranted to the original dealer/installer, industrial or commercial purchaser to be free from defects in material and workmanship and to be in compliance with our published specifications, if any. This warranty shall extend from the date of purchase for a period of three years on all AtlasIED products, including SOUNDOLIER brand, and ATLAS SOUND brand products except as follows: one year on electronics and control systems; one year on replacement parts; and one year on Musician Series stands and related accessories. Additionally, fuses and lamps carry no warranty. AtlasIED will solely at its discretion, replace at no charge or repair free of charge defective parts or products when the product has been applied and used in accordance with our published operation and installation instructions. We will not be responsible for defects caused by improper storage, misuse (including failure to provide reasonable and necessary maintenance), accident, abnormal atmospheres, water immersion, lightning discharge, or malfunctions when products have been modified or operated in excess of rated power, altered, serviced or installed in other than a workman like manner. The original sales invoice should be retained as evidence of purchase under the terms of this warranty. All warranty returns must comply with our returns policy set forth below. When products returned to AtlasIED do not qualify for repair or replacement under our warranty, repairs may be performed at prevailing costs for material and labor unless there is included with the returned product(s) a written request for an estimate of repair costs before any nonwarranty work is performed. In the event of replacement or upon completion of repairs, return shipment will be made with the transportation charges collect. EXCEPT TO THE EXTENT THAT APPLICABLE LAW PREVENTS THE LIMITATION OF CONSEQUENTIAL DAMAGES FOR PERSONAL INJURY, ATLASIED SHALL NOT BE LIABLE IN TORT OR CONTRACT FOR ANY DIRECT, CONSEQUENTIAL OR INCIDENTAL LOSS OR DAMAGE ARISING OUT OF THE INSTALLATION, USE OR INABILITY TO USE THE PRODUCTS. THE ABOVE WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. AtlasIED does not assume, or does it authorize any other person to assume or extend on its behalf, any other warranty, obligation, or liability. This warranty gives you specific legal rights and you may have other rights which vary from state to state. Service Should your WTSD-MIX31K require service, please contact the AtlasIED warranty department at 1-800-876-3333 or atlaswarranty@atlasied.com to obtain an RA number. AtlasIED Tech Support can be reached at 1-800-876-3333 or www.atlasied.com/support. Visit our website at www.atlasied.com to see other AtlasIED products. 2019 Atlas Sound L.P. The Atlas Circle A, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a registered trademark of Innovative Electronic Designs LLC. All Rights Reserved. All other trademarks are the property of their respective owners. All specs are subject to change without notice. ATS006030 RevB 9/19 36 AtlasIED.comTELEPHONE: (800) 876-3333SUPPORT@ATLASIED.COM1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.

CERPASS TECHNOLOGY (SUZHOU) CO., LTD Report No.: 1908102 EXTERNAL PHOTOGRAPHS OF EUT 1) EUT Photo 2) EUT Photo Cerpass Technology (Suzhou) Co., Ltd. Issued date Page No.

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