Western Digital WDE2170 User Manual
Page 43
WD Enterprise WDE2170/WDE4360
SCSI Connectors
4079-001045 Rev. B
RELEASED 04-08-97
35
Table 6-5. 68-pin SCSI Connector Pin Assignments
SINGLE-ENDED SCSI CONNECTOR
DIFFERENTIAL SCSI CONNECTOR
(OPTIONAL)
Signal Name
Pin
Number
Signal Name
Signal Name
Pin
Number
Signal Name
GROUND
1
35
-DB12
+DB12
1
35
-DB12
GROUND
2
36
-DB13
+DB13
2
36
-DB13
GROUND
3
37
-DB14
+DB14
3
37
-DB14
GROUND
4
38
-DB15
+DB15
4
38
-DB15
GROUND
5
39
-DBP1
+DBP1
5
39
-DBP1
GROUND
6
40
-DB0
GROUND
6
40
GROUND
GROUND
7
41
-DB1
+DB0
7
41
-DB0
GROUND
8
42
-DB2
+DB1
8
42
-DB1
GROUND
9
43
-DB3
+DB2
9
43
-DB2
GROUND
10
44
-DB4
+DB3
10
44
-DB3
GROUND
11
45
-DB5
+DB4
11
45
-DB4
GROUND
12
46
-DB6
+DB5
12
46
-DB5
GROUND
13
47
-DB7
+DB6
13
47
-DB6
GROUND
14
48
-DBP0
+DB7
14
48
-DB7
GROUND
15
49
GROUND
+DBP0
15
49
-DBP0
GROUND
16
50
GROUND
DIFFSENS
16
50
GROUND
TERMPWR
17
51
TERMPWR
TERMPWR
17
51
TERMPWR
TERMPWR
18
52
TERMPWR
TERMPWR
18
52
TERMPWR
open
19
53
open
open
19
53
open
GROUND
20
54
GROUND
+ATN
20
54
-ATN
GROUND
21
55
-ATN
GROUND
21
55
GROUND
GROUND
22
56
GROUND
+BSY
22
56
-BSY
GROUND
23
57
-BSY
+ACK
23
57
-ACK
GROUND
24
58
-ACK
+RST
24
58
-RST
GROUND
25
59
-RST
+MSG
25
59
-MSG
GROUND
26
60
-MSG
+SEL
26
60
-SEL
GROUND
27
61
-SEL
+C/D
27
61
-C/D
GROUND
28
62
-C/D
+REQ
28
62
-REQ
GROUND
29
63
-REQ
+I/O
29
63
-I/O
GROUND
30
64
-I/O
GROUND
30
64
GROUND
GROUND
31
65
-DB8
+DB8
31
65
-DB8
GROUND
32
66
-DB9
+DB9
32
66
-DB9
GROUND
33
67
-DB10
+DB10
33
67
-DB10
GROUND
34
68
-DB11
+DB11
34
68
-DB11