IBM Serial port s

Installing options 67
SCS I conn ector pin-number assignm ents
The following table shows the pin-number assignments for
the 68-pin SCSI connecto rs .
Serial port s
The server has two standard serial ports: Serial port A and
Serial port B.
Table 11. 68-pin SCSI connector pin-n umber assi gnments
Pin Signal Pin Signal
1 +Da ta 12 35 -Da t a 12
2 +Da ta 13 36 -Da t a 13
3 +Da ta 14 37 -Da t a 14
4 +Da ta 15 38 -Da t a 15
5 +Data P1 39 -Data P1
6 +Data 0 40 -Data 0
7 +Data1 41 -Data 1
8 +Data 2 42 -Data 2
9 +Data 3 43 -Data 3
10 +Da ta 4 44 -Da ta 4
11 +Data 5 45 - Data 5
12 +Da ta 6 46 -Da ta 6
13 +Da ta 7 47 -Da ta 7
14 +Da ta P 48 -Da ta P
15 Ground 49 Ground
16 DIFFSENS 50 Ground
17 Term power 51 Term power
18 Term power 52 Term power
19 Reserved 53 Reserved
20 Ground 54 Ground
21 +Attention 55 -Attention
22 Ground 56 Ground
23 +Busy 57 -Busy
24 +Acknowledge 58 -Acknowledge
25 +Reset 59 -Reset
26 +Message 60 -Message
27 +Select 61 -Select
28 +Control/Data 62 -Control/Data
29 +Request 63 -Request
30 +Input/Output 64 -Input/Output
31 +Da ta 8 65 -Da ta 8
32 +Da ta 9 66 -Da ta 9
33 +Da ta 10 67 -Data 10
34 +Da ta 11 68 -Da t a 11
34 1
68 35