Sony GY-2120WD, Maintenance Manual

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1-12
GY-2120WD/WS
1-4. Connector/Cable Information
SCSI: 68-pin (female): GY-2120WD/2120WS
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Pin GY-2120WD GY-2120WS
No.
I/O Signal I/O Signal
35 I/O
_
DB12 I/O
_
DB12
36 I/O _ DB13 I/O _ DB13
37 I/O _ DB14 I/O _ DB14
38 I/O _ DB15 I/O _ DB15
39 I/O _ DBP1 I/O _ DBP1
40 — GND I/O GND
41 I/O _ DB0 I/O _ DB0
42 I/O
_
DB1 I/O
_
DB1
43 I/O _ DB2 I/O _ DB2
44 I/O _ DB3 I/O _ DB3
45 I/O _ DB4 I/O _ DB4
46 I/O _ DB5 I/O _ DB5
47 I/O
_
DB6 I/O
_
DB6
48 I/O _ DB7 I/O _ DB7
49 I/O _ DBP — _ DBP
50 — GND — GND
51 I/O TERMPWR I/O TERMPWR
52 I/O TERMPWR I/O TERMPWR
53 I/O RESERVED I/O RESERVED
54 I/O
_
ATN —
_
ATN
55 — GND I/O GND
56 I/O _ BSY — _ BSY
57 I/O _ ACK I/O _ ACK
58 I/O _ RST I/O _ RST
59 I/O
_
MSG I/O
_
MSG
60 I/O _ SEL I/O _ SEL
61 I/O
_
C/D I/O
_
C/D
62 I/O _ REQ I/O _ REQ
63 I/O _ I/O I/O _ I/O
64 — GND I/O GND
65 I/O _ DB8 I/O _ DB8
66 I/O
_
DB9 I/O
_
DB9
67 I/O _ DB10 I/O _ DB10
68 I/O
_
DB11 I/O
_
DB11
Pin GY-2120WD GY-2120WS
No.
I/O Signal I/O Signal
1 I/O + DB12 — GND
2 I/O + DB13 — GND
3 I/O + DB14 — GND
4 I/O
+
DB15 — GND
5 I/O + DBP1 — GND
6 — GND — GND
7 I/O + DB0 — GND
8 I/O + DB1 — GND
9 I/O + DB2 — GND
10 I/O + DB3 — GND
11 I/O
+
DB4 — GND
12 I/O + DB5 — GND
13 I/O + DB6 — GND
14 I/O + DB7 — GND
15 I/O + DBP — GND
16 I/O DIFFSENS — GND
17 I/O TERMPWR I/O TERMPWR
18 I/O TERMPWR I/O TERMPWR
19 I/O RESERVED I/O RESERVED
20 I/O + ATN — GND
21 — GND — GND
22 I/O + BSY — GND
23 I/O
+
ACK — GND
24 I/O + RST — GND
25 I/O
+
MSG — GND
26 I/O + SEL — GND
27 I/O + C/D — GND
28 I/O + REQ — GND
29 I/O + I/O — GND
30 — GND — GND
31 I/O + DB8 — GND
32 I/O
+
DB9 — GND
33 I/O + DB10 — GND
34 I/O + DB11 — GND
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