National Instruments PXITM 用户手册
Appendix A
Connector Descriptions
© National Instruments Corporation
A-9
Table A-5. 100-Pin Connector Pin Descriptions
100-Pin Connector Port
232
Signal
232
D-Sub 9
Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
2
46
6
42
10
38
14
34
—
—
—
—
—
—
—
—
DCD*
1
3
47
7
43
11
39
15
35
18
32
20
30
22
28
24
26
RXD
2
4
48
8
44
12
40
16
36
19
33
21
31
23
29
25
27
TXD
3
5
49
9
45
13
41
17
37
—
—
—
—
—
—
—
—
DTR*
4
1
1
1
1
50
50
50
50
51
51
51
51
100
100
100
100
GND
5
52
96
56
92
60
88
64
84
—
—
—
—
—
—
—
—
DSR*
6
53
97
57
93
61
89
65
85
68
82
70
80
72
78
74
76
RTS
7
54
98
58
94
62
90
66
86
69
83
71
81
73
79
75
77
CTS
8
55
99
59
95
63
91
67
87
—
—
—
—
—
—
—
—
RI*
9
* These signals are not supported on ports 9-16 of the 16-port PCI and PXI serial boards.