Microsoft Advantech UNO-3074 User Manual
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Appendix A
A.4 RS-232 Standard Serial Port (COM1~COM2)
Table A.7: RS-232 Serial Port Pin Assigns
Pin
RS-232 Signal Name
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI