Clear-Com EF-701M 4-Wire Interface with Call Signal

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Write a review Q&A SKU: EF-701M PSSL ID#: 56657
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Regular price $975.00 USD
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Description

Clear-Com EF-701M 4-Wire Interface w/ Call Signal

4-Wire Interface with Call Signal, Matrix-to-Partyline

The EF-701M interface converts a single channel of standard or TW partyline intercom to four-wire audio, while also converting call signals to RS-422 data (and back). The resulting four-wire audio plus RS-422 data can then be sent to a Clear-Com Matrix port, fiber-optic converter (modem) or connected to another EF-701M over twisted-pair cable such as CAT-5E.

Specifications:

  • Clear-Com Format: Line Characteristics: Max Level Before Clipping: >=20dBu, Impedance: >=10K?
  • Clear-Com Format: Signalling: Receive: <=4 VDC, Send: >=11VDC
  • RTS Format: Line Characteristics: Max Level Before Clipping: >=20dBu, Impedance: >=10K?
  • RTS Format: Signalling Tone: Send frequency: 20kHz ±1KHz, Receive frequency: 20kHz ±500Hz, Send level: >=-6dBu, Receive level: <=-20dBu
  • Frequency Response: Partyline – Matrix: 200-10KHz ± 3dB, Matrix - Partyline: 200-10KHz ± 3dB
  • Distortion: Partyline - Matrix: <=0.5%, Matrix - Partyline: <=0.5%
  • Noise: Partyline - Matrix: <=-50dBu, Matrix - Partyline: <=-70dBu
  • Max Gain: Partyline - Matrix (CC setting): 20dB ± 3dB, Partyline - Matrix (RTS setting): 16dB ± 3dB, Matrix - Partyline (CC setting): -5dB ± 3dB, Matrix - Partyline (RTS setting): -1dB ± 3dB
  • Min Gain: Partyline - Matrix (CC setting): -7dB ± 3dB, Partyline - Matrix (RTS setting): -12dB ± 3dB, Matrix - Partyline (CC setting): -33dB ± 3dB, Matrix - Partyline (RTS setting): -29dB ± 3dB
  • Power Requirements: Input Voltage Range: 20-30VDC, Quiescent Current: <=70mA, Max Current: <=80mA
  • Rear Panel Connectors and Controls: Partyline: (1) XLR3F, RTS: (1) DB-15F, Matrix: (1) RJ-45, (2) Mode Switches, Front Panel Connectors and Controls: TS1 Earphone: (1) 3.5mm Jack Socket, Level Adjust: (2) Rotary Control, Null Adjust: (3) Rotary Control, Power Indicator: (1) Green LED, Data Indicator: (1) Amber LED
  • Dimensions: 1.62 in. H x 5.94 in. W x 4.80 in D (41 mm x 151 mm x 122 mm)
  • Weight: 1.75 lbs (.794 kgs)
  • Accessories: Wiring diagram, adhesive backed TS-1 testing earphone

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