HP 3000 9x9KS Service Manual page 192

Table 8-1 lists the pin call-outs for the 50 pin SCSI cable, and Table 8-2 lists the pin call-outs for the 68 pin
SCSI cable.
Cable Conductor Number list is for flat cables. Connector Contact Number list is for Shielded,
Twisted Pair cables.
Signal
Name
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Reserved
Open
Reserved
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
8-4 SCSI and I/O
NOTE
Table 8-1 50 Pin SCSI Cable
Connector
Cable Conductor
Contact
Number
Number
1 1
2 3
3 5
4 7
5 9
6 11
7 13
8 15
9 17
10 19
11 21
12 23
13 25
14 27
15 29
16 31
17 33
18 35
19 37
20 39
21 41
22 43
23 45
24 47
25 49
Connector
Contact
Number
2 26
4 27
6 28
8 29
10 30
12 31
14 32
16 33
18 34
20 35
22 36
24 37
26 38
28 39
30 40
32 41
34 42
36 43
38 44
40 45
42 46
44 47
46 48
48 49
50 50
Signal
Name
-DB (0)
-DB (1)
-DB (2)
-DB (3)
-DB (4)
-DB (5)
-DB (6)
-DB (7)
-DB (parity)
Ground
Ground
Reserved
TermPwr
Reserved
Ground
- ATN
Ground
- BSY
- ACK
-RST
- MSG
- SEL
- C/D
- REQ
- I/O