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HelixNet 2-Wire Module

Part Number: Clear-Com HLI-2W2

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HelixNet 2-Wire Module

The HLI-2W2 Interface Module enables two-channels of Clear-Com or RTS intercom to transparently interface with digital HelixNet intercom channels. This two-wire module preserves the wideband two-wire frequency response, is conveniently packaged in a rugged, pluggable module, and is easily assignable to any of the HelixNet Main Station intercom channels. Requires external partyline power source.


  • Dimensions
    • 7.36" x 2.24" x 1.54" (187mm x 57mm x 39mm)
  • Weight
    • 16oz (.454kg)
  • Connectors
    • Intercom Line: (2) 3-pin XLR–F
  • Partyline
    • Maximum Level Before Clipping: 6dBu
    • Nominal Input Level: -18dBu (C-C), -12dBu (RTS)
    • Input Impedance: >= 10KΩ bridging
  • The following specified for a route to four-wire input at 0dBu in:
    • Frequency Response: 100 Hz - 10 kHz ±3dB
    • Distortion: <0.2% THD @ 1kHz
    • Noise: <-55dBu
  • The following specified for a route from a four-wire output at 0dBu out:
    • Frequency Response: 40 Hz - 10 kHz ±3dB
    • Distortion: <0.2% THD @ 1 kHz
    • Noise: <-75dBu
  • Auto-nulling and Echo Cancellation
  • RTS/Clear-Com Selectable
  • Termination: External
  • Power: 30V max external
  • Power Requirements
    • 0.025mA/channel
    • DC Voltage Range: 20-30 volts

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