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Signal Specification, Phone Module (PHM)

Signal Specification, Phone Module (PHM)

Signal specification

General
All the values given below are between the terminals stated in column 1 and terminal #A6 in column 2 (power ground). This applies unless otherwise indicated in brackets.

NOTE: It is important to connect the breakout box and check the ground terminals before taking readings.

There may be several connections and connectors between the control module and components.