PCI Express Boards
Pin Assignments
7-8
CP-102EL
Board Side Pin Assignments—Female DB25
RS-232
Pin
RS-232
Pin
RS-232
1
–
13
–
2
DCD1
14
–
3
GND
15
DTR1
4
CTS1
16
DSR1
5
RxD1
17
RTS1
6
–
18
TxD1
7
–
19
–
8
–
20
–
9
DTR0
21
DCD0
10
DSR0
22
GND
11
RTS0
23
CTS0
12
TxD0
24
RxD0
Device Side Pin Assignments
Male DB9 (CBL-M25M9x2-50)
Pin
RS-232
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
–
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