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.

For further information about:

- connecting the breakout box.
- Checking ground connection.

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

Connector A:

Connector A:

Connector B:

Connector C:

Connector D:

SIM Card Holder:

Volvo On Call Switch:

Handset: