Clear-Com IF4W4 Encore 4-Wire to Party-Line Intercom System Interface

IF4W4 - Overview

• Features:

  • Interfaces TV cameras, 2-way radios, fiber-optic circuits, and other devices to Clear-Com party-line intercom
  • Each interface has individual transmit, receive, and null controls
  • Transmit output switchable between mic and line level, with transmit-level indicator
  • Built-in test jack and oscillator enable quick nulling of the transmit/receive hybrid
  • Selective party-line capability
  • Accepts balanced or unbalanced 4-wire input
  • Transformer isolated
  • Terminal block and XLR connectors provided for each interface
  • Powered by the Clear-Com line
   

• 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: 20-30V DC
  • Input Current (Idle): <= 40mA
  • Input Current (Max): <= 50mA
    
    Environmental
  • 32 - 122°F (0 - 50°C)
   

• GTIN:

  0657248932039