Appendix C Pin Assignments Appendices
TECRA M9 Maintenance Manual (960-631) [CONFIDENTIAL] C-7
C.3 CN1820 Select bay interface connector (72-pin)Table C-3 Select bay interface connector (72-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 GND - 2 GND -
3 GND - 4 GND -
5 SIG40032 I 6 GND -
7 PDD07-P3P I/O 8 PDD06-P3P I/O
9 PDD09-P3P I/O 10 PDD05-P3P I/O
11 PDD10-P3P I/O 12 GND -
13 GND - 14 PDD04-P3P I/O
15 PDD08-P3P I/O 16 PDD03-P3P I/O
17 PDD11-P3P I/O 18 PDD02-P3P I/O
19 PDD12-P3P I/O 20 GND -
21 GND - 22 GND -
23 PDD13-P3P I/O 24 PDD01-P3P I/O
25 PDD14-P3P I/O 26 PDD00-P3P I/O
27 PDD15-P3P I/O 28 GND -
29 GND - 30 PDIOW-P3N O
31 PDDREQ-P3P I 32 PIORDY-P3P I
33 PDIOR-P3N O 34 GND -
35 GND - 36 IDEIRQ-P3P
37 PDDACK-P3N O 38 PDA1-P3P
39 PDA2-P3P 40 PDA0-P3P
41 PDCS3-P3N O 42 PDCS1-P3N O
43 GND - 44 GND -
45 NC - 46 NC -
47 GND - 48 GND -
49 ZSATT2-P1P 50 GND -
51 ZSATT2-P1N 52 GND -
53 GND - 54 GND -
55 ZSATR2-P1N 56 GND -
57 ZSATR2-P1P 58 GND -
59 GND - 60 MBSTS2-S3N I
61 MBSTS1-S3N I 62 MBSTS0-S3N I
63 NC - 64 NC -
65 SB-P3V I 66 SB-P3V I
67 SB-P3V I 68 SB-P3V I
69 SB-P3V I 70 SB-P3V I
71 GND - 72 SB-P5V I
1T GND - 2T GND -