Connectors, Cellular Telephone Preparation, Through 29 May 2009

Telephone System

Connectors, Cellular Telephone Preparation, through 29 May 2009

Operating Electronics and Telephone Control Module (J412)





A Black 54-pin connector (T54)
B Bluetooth Antenna (R152) connection (yellow)
C MOST bus

• Unlisted connector terminals are not used.

A - Black 54-Pin Connector (T54)





1 Terminal 30
2 Terminal 31
11 Microphone input (+) from Microphone unit (in front roof module) (R164) (telephone microphone (R38))
12 Microphone input (-) from Microphone Unit (in front roof module) (telephone microphone)
14 Ring-break diagnostic cable
37 Terminal 30 to Telephone Baseplate (R126)
39 Terminal 31 to Telephone Baseplate
41 Terminal 30 to Telephone Baseplate
42 Microphone output (+) to Telephone Baseplate
43 Microphone output (-) to Telephone Baseplate
44 Terminal 31 (screen ground)
45 LF (+) from Telephone Baseplate
46 LF (-) from Telephone Baseplate
47 SNDREQ signal from Telephone Baseplate
49 Ser-Tx (+) to Telephone Baseplate
50 Ser-Tx (-) to Telephone Baseplate
51 Ser-Rx (+) from Telephone Baseplate
52 Ser-Rx (-) from Telephone Baseplate

C - MOST Bus





1. Input

2. Output