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

EF-701M

Technical Specifications

Clear-Com Format

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

Signalling
Receive: <=4 VDC
Send: >=11VDC

RTS Format

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

Signalling Tone
Send frequency: 20kHz ÔøΩ1KHz
Receive frequency: 20kHz ÔøΩ500Hz
Send level: >=-6dBu
Receive level: <=-20dBu

General Characteristics

Frequency Response
Partyline ÔøΩ Matrix: 200-10KHz ÔøΩ 3dB
Matrix - Partyline: 200-10KHz ÔøΩ 3dB

Distortion
Partyline - Matrix: <=0.5%
Matrix - Partyline: <=0.5%

Noise
Partyline - Matrix: <=-50dBu
Matrix - Partyline: <=-70dBu

Max Gain
Partyline - Matrix (CC setting): 20dB ÔøΩ 3dB
Partyline - Matrix (RTS setting): 16dB ÔøΩ 3dB
Matrix - Partyline (CC setting): -5dB ÔøΩ 3dB
Matrix - Partyline (RTS setting): -1dB ÔøΩ 3dB

Min Gain
Partyline - Matrix (CC setting): -7dB ÔøΩ 3dB
Partyline - Matrix (RTS setting): -12dB ÔøΩ 3dB
Matrix - Partyline (CC setting): -33dB ÔøΩ 3dB
Matrix - Partyline (RTS setting): -29dB ÔøΩ 3dB

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

Rear Panel Connectors and Controls
Partyline: (1) XLR3F
RTS: (1) DB-15F
Matrix: (1) RJ-45, (2) Mode Switches

Front Panel Connectors and Controls
TS1 Earphone: (1) 3.5mm Jack Socket
Level Adjust: (2) Rotary Control
Null Adjust: (3) Rotary Control
Power Indicator: (1) Green LED
Data Indicator: (1) Amber LED

Dimensions
1.62 in. H x 5.94 in. W x 4.80 in D
(41 mm x 151 mm x 122 mm)

Weight
1.75 lbs (.794 kgs)

Accessories
Wiring diagram, adhesive backed TS-1 testing earphone