Clear-Com TW-12C - Manual (Page 15)

S y s t e m I n s t a l l a t i o n M a n u a l
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SPECIFICATIONS
TW-12C SYSTEM INTERFACE
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:
Party Line - Party Line 200-8KHz
Distortion
Party Line - Party Line <=0.2%
Max Gain
ClearCom - RTS >=9dB
ClearCom - ClearCom >=4dB
RTS - ClearCom >=-1dB
RTS - RTS >=4dB
Min Gain
ClearCom - RTS <=1dB
ClearCom - ClearCom <=-4dB
RTS - ClearCom <=-9dB
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