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MH88422 - Line Interface Circuit Preliminary Information

Datasheet Summary

Description

The Mitel MH88422 Line Interface Circuit provides a complete audio and signalling link between audio equipment and central office.

The functions provided by the MH88422 include 2-4 Wire conversion, loop seizure, ring voltage and loop current detection.

Features

  • FAX and Modem interface (V29/V22 bis) Variants match German, UK & 600Ω network impedances Provides reinforced barrier to international PTT requirements Transformerless 2-4 Wire conversion Loop start operation Pulse and DTMF operation Accommodates external monitor phone Line state detection outputs: -loop current/ringing outputs Single +5V operation, low idle power (5mW) Full Du.

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Datasheet Details

Part number MH88422
Manufacturer Mitel Networks
File Size 121.93 KB
Description Line Interface Circuit Preliminary Information
Datasheet download datasheet MH88422 Datasheet
Additional preview pages of the MH88422 datasheet.

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® MH88422 Line Interface Circuit Preliminary Information Features • • • • • • • • • • • • FAX and Modem interface (V29/V22 bis) Variants match German, UK & 600Ω network impedances Provides reinforced barrier to international PTT requirements Transformerless 2-4 Wire conversion Loop start operation Pulse and DTMF operation Accommodates external monitor phone Line state detection outputs: -loop current/ringing outputs Single +5V operation, low idle power (5mW) Full Duplex Suitable for power down applications MH88422-1 MH88422-2 MH88422-3 ISSUE 5 April 1995 Ordering Information 14 Pin DIL Package 14 Pin DIL Package 14 Pin DIL Package Surface Mount Options are available by adding the Suffix “S” Description The Mitel MH88422 Line Interface Circuit provides a complete audio and signalling
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