EF-701M

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

Item Part Number:
  • EF-701M

Technical Specifications

Clear-Com Format
Line Characteristics
Max Level Before Clipping : >=20dBu Impedance: >=10KΩ
Signaling
Receive: <=4 VDC Send: >=11VDC RTS Format
Line Characteristics
Max Level Before Clipping : >=20dBu Impedance: >=10KΩ
Signaling Tone
Send frequency: 20kHz ±1KHz Receive frequency: 20kHz ±500Hz Send level: >=-6dBu Receive level: <=-20dBu
General Characteristics
Frequency Response: Party Line - Party Line: 200-10KHz ± 3dB Matrix - Party Line: 200-10KHz ± 3dB
Distortion
Party Line - Matrix: <=0.5% Matrix - Party Line: <=0.5%
Noise
Party Line - Matrix: <=-50dBu Matrix - Party Line: <=-70dBu
Max Gain
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
Min Gain
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
Power Requirements
Input Voltage Range: 20-30VDC Quiescent Current: <=70mA Max Current: <=80mA
Dimensions
1.62 x 5.94 x 4.8 in (HxWxD) (41 x 151 x 122 mm)
Weight
1.75 lbs (.79 kg)

Associated Products

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