Open SCSI Integrator's Manual for NonStop S-Series Servers

Integrating Hardware
Open SCSI Integrator’s Manual for NonStop Servers—422988-002
3-9
SCSI Port Connector Pinouts
Table 3-1. Pinout for SCSI Port Connector on PMF CRU or IOMF CRU
P2 Pin
Number
P1 Pin
Number
Signal Name or
Function
P2 Pin
Number
P1 Pin
Number
Signal Name or
Function
1 (NU) 35 (NU)
2 (NU) 36 (NU)
3 (NU) 37 (NU)
4 (NU) 38 (NU)
5 (NU) 39 (NU)
1 6 Ground 26 40 Ground
2 7 +DB(0) 27 41 -DB(0)
3 8 +DB(1) 28 42 -DB(1)
4 9 +DB(2) 29 43 -DB(2)
5 10 +DB(3) 30 44 -DB(3)
6 11 +DB(4) 31 45 -DB(4)
7 12 +DB(5) 32 46 -DB(5)
8 13 +DB(6) 33 47 -DB(6)
9 14 +DB(7) 34 48 -DB(7)
10 15 +DB(P) 35 49 -DB(P)
11 16 DIFFSENS 36 50 Ground
12 (NC) 17 (NC) Reserved 37 (NC) 51 (NC) Reserved
13 18 TERMPWR 38 52 TERMPWR
14 (NC) 19 (NC) Reserved 39 (NC) 53 (NC) Reserved
15 20 +ATN 40 54 -ATN
16 21 Ground 41 55 Ground
17 22 +BSY 42 56 -BSY
18 23 +ACK 43 57 -ACK
19 24 +RST 44 58 -RST
20 25 +MSG 45 59 -MSG
21 26 +SEL 46 60 -SEL
22 27 +C/D 47 61 -C/D
23 28 +REQ 48 62 -REQ
24 29 +I/O 49 63 -I/O
25 30 Ground 50 64 Ground
65 (NU)
66 (NU)
67 (NU)
68 (NU)
NU = Not used; NC = Not connected.