Telecommunication System (page 6 of 7)

ENTERTAINMENT AND INFORMATION SYSTEMS

DESCRIPTION AND OPERATION 86-8-67

TCU Harness Connector C0947 Pin Details

Pin No.

Description

Input/Output

1

Handset charging control signal

Output

2

SIM card data

Output

3 to 11

Not used

–

12

Auxiliary power supply

Input

13

I bus

Input/Output

14 to 16

Not used

–

17

Audio negative

Output

18

Audio positive

Output

19

SIM card supply

Output

20

SIM card reset signal

Output

21 to 23

Not used

–

24

Ground

–

25

Permanent power supply from battery

Input

26 to 28

Not used

–

29

Mute signal

Output

30

Not used

–

31

Permanent power supply from battery

Input

32

Permanent power supply from battery

Input

33

Ground

–

34

Ground

–

35 and 36

Not used

–

37

SIM card inserted signal

Input

38

SIM card data

Input

39 to 41

Not used

–

42

Ground

–

43

Permanent power supply from battery

Input

44 to 46

Not used

–

47

Amplifier control signal

Output

48

Telephone off signal

Input

49 to 51

Not used

–

52

Microphone negative

Input

53

Microphone wiring screen ground

–

54

Microphone positive

Input