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Clear Com 4-Wire Interface

Part Number: Clear-Com IF4W4


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$1,116.00

Clear Com 4-Wire Interface

The 4-Channel 3- or 4-Wire Camera Interface Rack Mount (1RU), provides 4 discrete Clear-Com to 3- or 4-wire interface circuits. The 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 party-line capability. Features individual transmit, receive, and null controls, as well as transmit level indicators and switchable mic or line-level output for compatibility. The built-in test jack and test tone provide quick nulling.

Technical Specifications:

Clear-Com Format:

  • Program Line Input Impedance : >= 1KΩ
  • Party-line Output Impedance: >10KΩ
  • Stage Announce/Balanced Line Out:
    • Type: Balanced
    • Output Impedance: >= 80Ω
    • Load Impedance: >= 600Ω
  • Frequency Response:
    • Program Input - Party-line: 200 - 18KHz ± 3dB
    • Party-line - Line Out: 200 - 18KHz ± 3dB
  • Max Distortion:
    • Program Input - Party-line: <= 0.2%
    • Party-line - Line Out: <= 0.5%
  • Noise:
    • Program Input - Party-line: < -85dBu
    • Party-line - Line Out: < -60dBu
  • Max Gain:
    • Program Input - Party-line: >= -16dB
    • Party-line - Line Out: >= 24dB
  • Min Gain:
    • Program Input - Party-line: <= -20dB
    • Party-line - Line Out: <= -45dB
  • Line Out LED Threshold:
    • Green: -7dBu ± 2dB
    • Red: +5dBu ± 2dB
  • Party-line 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)
Overview:

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