MH88422 Overview
The Mitel MH88422 Line Interface Circuit provides a plete 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. The device is fabricated as thick film hybrid which incorporates various technologies for optimum circuit design, high voltage isolation and very high reliability. Variants are provided to meet German (-1) and UK (-3) line impedance (see section on Line Impedances), as well as a 600Ω variants (-2).
MH88422 Key Features
- FAX and Modem interface (V29/V22 bis) Variants match German, UK & 600Ω network impedances Provides reinforced barrier to