Adaptec AMM-1572 User Manual
Page 78
A-6
AMM-1570/1572 User’s Guide
AMM-1570/1572 User’s Guide
Stock Number: 510526-00, Rev. B
Page: A-6
Print Spec Number: 492379-00
Current Date: 3/7/94
ECN Date: 3/8/94
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50-pin External SCSI Connector
The 50-pin external SCSI connector must be a shielded 50-pin high
density (Alternative 2) connector. The following table lists the pin
assignments for the external connector.
Signal Name
Pin
Pin
Signal Name
Ground
1
26
-DB(0)
Ground
2
27
-DB(1)
Ground
3
28
-DB(2)
Ground
4
29
-DB(3)
Ground
5
30
-DB(4)
Ground
6
31
-DB(5)
Ground
7
32
-DB(6)
Ground
8
33
-DB(7)
Ground
9
34
-DB(P)
Ground
10
35
Ground
Ground
11
36
Ground
Ground
12
37
Reserved
Open
13
38
Term Power (Fused)
Ground
14
39
Reserved
Ground
15
40
Ground
Ground
16
41
-ATN
Ground
17
42
Ground
Ground
18
43
-BSY
Ground
19
44
-ACK
Ground
20
45
-RST
Ground
21
46
-MSG
Ground
22
47
-SEL
Ground
23
48
-C/D
Ground
24
49
-REQ
Ground
25
50
-I/O