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DB-78 Connector Pin Assignments
Port #
1
TD
36
RD
37
RTS
17
CTS
16
DTR
35
DSR
18
DCD
38
RI
15
GND
34
OMG-COMM8-PCI
(DB78 FEMALE)
2
3
4
5
12
27
3
75
11
28
2
76
31
8
22
56
32
7
23
55
13
26
4
74
30
9
21
57
10
29
1
77
33
6
24
54
14
25
5
73
Technical Description
6
7
8
51
66
42
50
67
41
70
47
61
71
46
62
52
65
43
69
48
60
49
68
40
72
45
63
53
64
44
Page 6
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