Rear Connector Signal-To-Pin Relationships - Continued.

TM 11-7025-221-20

2-5. Rear Connector Signal-To-Pin Relationships - Continued.

J7 Signal-To-Pin Relationship - Continued

J7 Signal-To-Pin Relationship

I/O

Signal

1

I

Receive timing group 5 low side

Transmit data buffer 6 shield

29

O

--

Receive timing group 5 high side

2

I

Not used

30,31

--

3

Not used

Transmit timing buffer 7 low side

32

O

4

Transmit timing buffer 5 low side

O

Transmit timing buffer 7 high side

33

O

5

O

Transmit timing buffer 5 high side

Transmit data buffer 7 low side

34

O

I

Receive timing group 5 shield

Transmit data buffer 7 high side

6

35

O

I

7

Receive data group 6 shield

I

36

Receive data group 8 low side

I

8

Receive timing group 6 low side

I

Receive data group 8 high side

37

I

Receive timing group 6 high side

9

O

Transmit data buffer 8 low side

38

10

Transmit data buffer 5 shield

O

Transmit data buffer 8 high side

39

O

11

O

Transmit timing buffer 5 shield

40

Transmit timing buffer 7 shield

O

12

I

Receive data group 5 shield

41

I

Receive timing group 7 shield

I

13

42

Receive data group 6 low side

I

Receive data group 7 low side

I

14

43

Receive data group 6 high side

I

Receive data group 7 high side

15

44

Receive timing group 6 shield

I

Receive data group 8 shield

16

Transmit timing buffer 6 shield

O

45

Transmit timing buffer 8 shield

O

17

Transmit data buffer 5 low side

O

46

Transmit data buffer 8 shield

O

18

Transmit data buffer 5 high side

O

47

i

Receive timing group 7 low side

19

I

48

I

Receive data group 5 low side

Receive timing group 7 high side

20

I

Receive data group 5 high side

49

I

Receive data group 7 shield

21

O

Transmit data buffer 6 low side

50

I

Receive timing group 8 shield

22

O

Transmit data buffer 6 high side

51

Transmit timing buffer 8 low side

O

23

Transmit timing buffer 6 low side

O

52

O

Transmit timing buffer 8 high side

--

24

Transmit timing buffer 6 high side

O

53

Not used

--

25,26

Not used

54

I

Receive timing group 8 low side

27

O

Transmit data buffer 7 shield

I

Receive timing group 8 high side

55

--

Not used

28

g. Connector J8 (V3 and V4 models only). CESE status point inputs are routed through connector

J8. There is a CESE message that will be displayed as part of the alarms recall routine (see TM 11-

7025-221 -10) when a CESE status point input reports a failure condition. The failure message associated

with each status point input is shown in parenthesis. For example, "945TX1" is the message that would

be displayed if status point 1 reports a failure. Status points 51 through 56 are spares and have no

message assignments.

J8 Signal-To-Pin Relationship

I/O

Signal

1

I

Status point 1 (945TX1 )

2

I

Status point 2 (945RX1 )

3

I

Status point 3 (945TX2)

4

I

Status point 4 (945RX2)

5

I

Status point 5 (945TX3)

6

I

Status point 6 (945RX3)

7

I

Status point 7 (945TX4)

8

i

Status point 8 (945RX4)

9

I Status point 9 (945TX5)

2-6