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800.941.2446
4-Channel 3- or 4-Wire Camera Interface Rack Mount (1RU), provides 4 discrete Clear-Com to 3- or 4-wire interface circuits.
Four channel interface connects Clear-Com to TV cameras, two-way radios, satellite links, and other communications devices through either their headset jacks or 4-wire circuits. IF4W4 has selective partyline capability. Features individual transmit, receive, and null controls, as well as transmit level indicators. Switchable mic or line-level output for compatibility. The built-in test jack and test tone provide quick nulling.
Clear-Com Format
Program Line Input
Input Impedance : >= 1KΩ
Partyline Output
Output Impedance: >10KΩ
Stage Announce/Balanced Line Out
Type: Balanced
Output Impedance: >= 80Ω
Load Impedance: >= 600Ω
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
Rear Panel Connectors
Intercom: (4) XLR-3F (1 per channel)
4-Wire Terminal Block Connectors: (4) Connectors (1 per channel)
4-Wire Transmit Level Switches: (4) Switches (1 per channel)
Front Panel Connectors
Headset: (1) XLR-4M
TS1 Earphone: (1) 3.5mm Jack Socket
Front Panel Controls & Indicators
Green Level LED: (4) LEDs (1 per channel)
Red Level LED: (4) LEDs (1 per channel)
Link LED: (4) LEDs (1 per channel)
Power LED: (4) LEDs (1 per channel)
Null Test Button: (4) Buttons (1 per channel)
Receive Level Adjust: (4) In controls (1 per channel)
Transmit Level Adjust: (4) Out controls (1 per channel)
Nulling Adjust: (12) Null controls (3 per channel)
Channel Link Switch: (3) Link switches (A+B, A+C, A+D)
Environmental
32 - 122˚F (0 - 50˚C)
Dimensions
19 in. W x 1.75 in. H x 7.75 in. D
(483 mm x 44.5 mm x 197 mm)
Weight
5.83 lbs. (2.65 Kg)