Clear-Com 4-Wire Interface with Call Signal - EF-701M

4-Wire Interface with Call Signal

• High-quality partyline to 4-wire audio conversion interface
• Maintains hybrid null with multiple units on a channel
• Converts call signals to RS-422 data with selectable baud rate
• Connects intercom with call signal over fiber
• Clear-Com and RTS compatible
• Built-in test tone and jack for nulling
• Multi-mode data status LED
• Powered by the intercom line

• Max Level Before Clipping : >=20dBu
• Impedance: >=10K?

• Receive: <=4 VDC
• Send: >=11VDC
• RTS Format

• Max Level Before Clipping : >=20dBu
• Impedance: >=10K?

• Send frequency: 20kHz ±1KHz
• Receive frequency: 20kHz ±500Hz
• Send level: >=-6dBu
• Receive level: <=-20dBu

• Party Line – Party Line: 200-10KHz ± 3dB
• Matrix – Party Line: 200-10KHz ± 3dB

• Party Line – Matrix: <=0.5%
• Matrix – Party Line: <=0.5%

• Party Line – Matrix: <=-50dBu
• Matrix – Party Line: <=-70dBu

• Party Line – Matrix (CC setting): 20dB ± 3dB
• Party Line – Matrix (RTS setting): 16dB ± 3dB
• Matrix – Party Line (CC setting): -5dB ± 3dB
• Matrix – Party Line (RTS setting): -1dB ± 3dB

• Party Line – Matrix (CC setting): -7dB ± 3dB
• Party Line – Matrix (RTS setting): -12dB ± 3dB
• Matrix – Party Line (CC setting): -33dB ± 3dB
• Matrix – Party Line (RTS setting): -29dB ± 3dB

• Input Voltage Range: 20-30VDC
• Quiescent Current: <=70mA
• Max Current: <=80mA

• 1.62 x 5.94 x 4.8 in (HxWxD)
• (41 x 151 x 122 mm)

• 1.75 lbs (.79 kg)