LR3/Disco 3
The cellular phone system comprises:
Transceiver Module (TM)
Base plate adaptor
Telephone cradle
Microphone
Cellular Phone Antenna
The telephone system fitted to the vehicle allows the driver to dock their own handset to the vehicle hands free telephone
system. This is achieved using an adaptor cradle which is telephone specific. This cradle is mated to a standard
baseplate which in turn is connected to the TM. The TM is connected to the MOST ring for communication with the rest of
the system. For additional information, refer to
Communications Network
(418-00 Module Communications Network)
Transceiver Module
The Transceiver Module (TM) is located in the rear RH quarter of the luggage compartment. The TM is the interface
between the telephone and the Integrated Head Unit (IHU). The TM also contains the telephone voice recognition
hardware and software.
Transceiver Module Connector Pin Out C2777
Pin No
Description
Input/Output
1 to 15
NC
-
16
Ignition
Input
17
Battery voltage
Input
18
Battery voltage
Input
19 to 32
NC
-
33
Ground
-
34
Ground
-
35
NC
-
36
NC
-
37
Cellular phone ear piece +
Output
38
Cellular phone ear piece -
-
39
Cellular phone Mic piece +
Input
40
Cellular phone Mic. piece -
-
41
Wake up signal (non Nokia phone in cradle)
Input
42
Wake up signal ( Nokia phone in cradle)
Input
43
NC
-
44
Steering wheel push to talk button
Input
45
Transmit/receive to phone
Input/Output
46
Shield ground
-
