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5
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PCIe-S112 Card
RS-232 Wiring
Device
Signal
PIN
PIN
Signal
RxD
2
3
TxD
TxD
3
2
RxD
GND
5
5
GND
DTR
4
6
DSR
--
--
1
DCD
DCD
1
--
--
DSR
6
4
DTR
RTS
7
8
CTS
CTS
8
7
RTS
RI
9
9
RI
