Clear-Com/RTS System Interface
TW-12C
TW-12C intercom system interface is designed for connecting one intercom system to another, without compromising the audio quality of either system.
Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.
Clear-Com Format
Max Level Before Clipping: >=3dBu
Impedance: >=10KΩ
Receive: <=4V DC
Send: >=11V DC
Line Characteristics
Max Level Before Clipping: >=5dBu
Impedance: >=10KΩ
Frequency Response:
Partyline – Partyline: 200-8kHz
Send frequency: 20kHz ±100Hz
Receive frequency: 20kHz ±500Hz
Send level: >=-6dBu
Receive level: <=-25dBu
Partyline – Partyline: <=0.2%
Clear-Com – RTS: >=9dB
Clear-Com – Clear-Com: >=4dB
RTS – Clear-Com: >=-1dB
RTS – RTS: >=4dB
Clear-Com – RTS: <=1dB
Clear-Com – Clear-Com: <=-4dB
RTS – Clear-Com: <=-9dB
Input Voltage Range: 20-30V DC
Input Current (average): <=50mA
1.75 x 19 x 7.25in (HxWxD)
(45 x 483 x 185mm)
5.63lbs (2.56kg)
Supports up to 55 beltpacks
Supports up to 55 beltpacks
Interfaces any 2-way radio to
Connects TW beltpacks to two
