Clear-Com, IF4W4, 4-Channel 4-Wire to Partyline Interface

Description

4-Channel 4-Wire to Partyline Interface
Interfaces TV cameras, 2-way radios, fiber circuits and other 4-wire devices to Clear-Com partyline
Individual Transmit Receive and Null controls
Transmit output switchable between mic and line level
Built-in test jack and oscillator for quick nulling
Selective partyline capability
Accepts balanced or unbalanced 4-wire input
Transformer isolated
Terminal block and XLR connectors for each interface
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Technical Specifications

Program Line Input
Input Impedance : >= 1K

Partyline Output
Output Impedance: >10K

Stage Announce/Balanced Line Out
Type: Balanced
Output Impedance: >= 80
Load Impedance: >= 600

Frequency Response
Program Input – Partyline: 200 – 18KHz ± 3dB
Partyline – Line Out: 200 – 18KHz ± 3dB

Max Distortion
Program Input – Partyline: <= 0.2%
Partyline – Line Out: <= 0.5%

Noise
Program Input – Partyline: < -85dBu
Partyline – Line Out: < -60dBu

Max Gain
Program Input – Partyline: >= -16dB
Partyline – Line Out: >= 24dB

Min Gain
Program Input – Partyline: <= -20dB
Partyline – Line Out: <= -45dB

Line Out LED Threshold
Green: -7dBu ± 2dB
Red: +5dBu ± 2dB

Partyline LED Threshold
Green: -10dBu ± 2dB
Red: 0dBu ± 2dB

Power
Input Voltage Range: 20-30 VDC
Input Current (Idle):<= 40mA
Input Current (Max):<= 50mA

Environmental
32 – 122°F (0 – 50°C)

Dimensions
1.75 x 19 x 7.75 in (HxWxD)
(44 x 483 x 197 mm)

Weight
5.8 lbs (2.7 kg)