Overview
Clearcom IF4W4, 4 Channel Interface
4-Channel 3- or 4-Wire Camera Interface Rack Mount (1RU), provides 4 discrete Clear-Com to 3- or 4-wire interface circuitsFour 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.
- 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
- Powered by the intercom line
Specifications / Documents
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: 20-30V DC
- Input Current (Idle): <= 40mA
- Input Current (Max): <= 50mA
Dimensions
- 1.75 x 19 x 7.75in (HxWxD) (44 x 483 x 197mm)
Weight
- 5.8lbs (2.7kg)
