EF-701M | 4-WIRE INTERFACE WITH CALL SIGNAL:  ENCORE FOUR-WIRE INTERFACE WITH CALL SIGNAL. INTERFACES MATRIX

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4-WIRE INTERFACE WITH CALL SIGNAL:  ENCORE FOUR-WIRE INTERFACE WITH CALL SIGNAL. INTERFACES MATRIX
4-WIRE INTERFACE WITH CALL SIGNAL:  ENCORE FOUR-WIRE INTERFACE WITH CALL SIGNAL. INTERFACES MATRIX
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4-WIRE INTERFACE WITH CALL SIGNAL:  ENCORE FOUR-WIRE INTERFACE WITH CALL SIGNAL. INTERFACES MATRIX
4-WIRE INTERFACE WITH CALL SIGNAL:  ENCORE FOUR-WIRE INTERFACE WITH CALL SIGNAL. INTERFACES MATRIX

EF-701M
4-WIRE INTERFACE WITH CALL SIGNAL:  ENCORE FOUR-WIRE INTERFACE WITH CALL SIGNAL. INTERFACES MATRIX

  • UM : EA

The EF-701M interface converts a single channel of standard or TW party line intercom audio signals to four-wire audio format. It also converts call signals between the party line system and RS-422 data protocol bidirectionally.

For power consumption details, refer to the Encore Power Supply Calculator to estimate requirements for analog party line systems.

Features:

  • High-quality partyline to 4-wire audio conversion
  • Maintains hybrid null with multiple units on a channel
  • Converts call signals to RS-422 data with selectable baud rate
  • Connects intercom with call signal over fiber
  • Clear-Com and RTS compatible
  • Built-in test tone and jack for nulling
  • Multi-mode data status LED
  • Powered by the intercom line
Max Level Before Clipping >=20dBu
Impedance >=10KΩ
Receive <=4V DC
Send >=11V DC
Send frequency 20kHz ±1kHz
Receive frequency 20kHz ±500Hz
Send level >=-6dBu
Receive level <=-20dBu
Input Voltage Range 20-30V DC
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