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TAMB2
Telephone Paging Access Module
The TAMB2 telephone paging access module provides a are in progress. A set of contacts are provided to signal external
means of interfacing various analog telephone port types to equipment of the TAMB2ʼs operational status. Various DIP
a paging system amplifier to enable a facilityʼs telephone system switches and controls provide a wide range of flexibility over
to be used to make audio announcements over its paging how the access module will operate. The TAM
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Notice Important Safety Information Every effort was made to ensure that the information in this manual Always follow these basic safety precautions when installing and was complete and accurate at the time of printing. However, infor- using the system: mation is subject to change. 1.Read and understand all instructions. 2.Follow all warnings and instructions marked on the product. FCC Statement (Part 15) - Radio Frequency Interference 3.DO NOT block or cover the ventilation slots and openings.
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Theory of Operation Loop Start Interfacing: The TAMB2 provides a 24V DC talk battery on its T (tip) and (in the case of talkback paging equipment). Disconnection of R (ring) terminals. When it detects a DC loop current flow the page happens when the loop start trunk goes on hook and through these terminals, it will activate. Upon activation, it will loop current flow stops. In this mode, the TAMB2 responds to produce an announcement tone and connect in the paging the status of the loop current
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Connections to Paging Amplifier Input Balanced Input Wiring: STATION/ PAGE The TAMB2 was designed to connect to a 600-ohm bal- TRUNK OUT anced TEL input. The amplifierʼs input sensitivity should be high enough that with 200mV input signal, the amp will be able to produce its full rated output power. If input 600-ohm Balanced Input sensitivity is not high enough, try using an unbalanced TR PT PR G/S input with a WMT1A transformer (as shown below). IMPORTANT Keep Amp turned off until all wiring to
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Connections to a Music Source AUDIO OUT L MUSIC SOURCE R The TAMB2ʼs Music Input will combine a stereo signal into mono or a mono source can be connected to either of the two RCA jacks. The MUSIC control is used to set the level of the music source when playing through the paging system. Set the level of the page using the amplifierʼs level control, then use the TAMB2 music control to set the background music level. IMPORTANT NOTE: When using the TAMB2 in ground start trunk mode with a music sou
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DIP Switch Settings RANGE (SEC) 1 < 11 INHIBIT 01<100 - 200 LOOP START TRUNK 1 0<50 - 100 0 Set switches in black as indicated. 0 0<1 - 50 Other switches are at installer’s discretion. 1 2 3 4 5 6 7 8 9 ON 1 1 2 3 4 5 6 7 8 9 0 1 0 ANNOUNCEMENT TONE See DIP Switch #3 description DIP SW # DIP Switch Function VOX TIMER ENABLE See DIP Switch #4 description TRUNK TIMER See DIP Switch #7 description 1 Sets unit for either Station access or Trunk (Loop Start TIMER RANGE and Ground Start) access.
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Wall Mounting Wall Mount 1 - Insert mounting screws through mounting brackets and into the side/rear screw openings as shown. Once the brackets have been secured, the unit can now be affixed to a wall or 2 1 other flat surface. Wall Mount 2 - The unit can also be secured to a wall or flat surface with the front face pointing upwards to provide less cantilever. Insert mount- ing screws through mounting brackets as shown. A UNIT 1 B STEP 1 Single Unit Rack Mounting C UNIT 2 For installing a unit i
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Specifications Registration Number: US: CD2PA13BTAMB2 Ringer Equivalence: 1.3B Station Port Compatibility: Two-wire ring start Trunk Port Compatibility: Two-wire loop start or ground start Paging Frequency Response: 200 – 8000 Hz, ±1 dB Input/Output Impedance: 600 ohms, nominal Power Requirements: 24V DC @ 150mA (user-supplied) Pre-announce/Confirmation Tones: 800 Hz, ±20%, one-half second duration Default Disconnect Timer: 1 to 200 seconds, adjustable or inhibit VOX Disconnect Timer: 1 to 11 se
