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Clear-Com/RTS System Interface Rack Mount (1RU), connects Clear-Com to Clear-Com or Clear-Com to RTS systems. TW-12C connects a single channel of intercom from one system to another. Opt isolation eliminates hums and buzzes. Compensates for level and impedance differences between systems. Allows Clear-Com-to-Clear-Com, Clear-Com-to-RTS, and RTS-to-RTS system configurations. Powered by the connected intercom system. Translates "call" signals in both directions.
Clear-Com Format
Line Characteristics
Max Level Before Clipping : >=3dBu
Impedance: >=10KΩ
Signalling
Receive: <=4 VDC
Send: >=11VDC
RTS Format
Line Characteristics
Max Level Before Clipping : >=5dBu
Impedance: >=10KΩ
Signalling Tone
Send frequency: 20kHz ±100Hz
Receive frequency: 20kHz ±500Hz
Send level: >=-6dBu
Receive level: <=-25dBu
General Characteristics
Frequency Response
Partyline - Partyline: 200-8KHz
Distortion
Partyline - Partyline: <=0.2%
Max Gain
Clear-Com - RTS: >=9dB
Clear-Com - Clear-Com: >=4dB
RTS - Clear-Com: >=-1dB
RTS - RTS: >=4dB
Min Gain
Clear-Com - RTS: <=1dB
Clear-Com - Clear-Com: <=-4dB
RTS - Clear-Com: <=-9dB
Power Requirements
Input Voltage Range: 20-30VDC
Input Current (average): <=50mA
Rear Panel Connectors
Rear panel: (2) XLR3M (1 per channel)
(2) XLR3F (1 per channel)
Front Panel Connectors
Headset: (1) XLR4M
TS1 Earphone: (1) 3.5mm Jack Socket
Front Panel Controls and Indicators
Power: (2) Green LED (1 per channel)
Null Test Button : (2) Buttons (1 per channel)
Gain Level Adjust: (2) Controls (1 per channel)
Null Adjust: (6) Controls (3 per channel)
Connection Type Switch: (2) Switches (1 per channel)
Pin Connection Select Switch: (2) Switches (1 per channel)