User`s manual

34 UNO-2050 User's Manual
A.2 Standard RS-232 Serial Port
(COM1~C0M2)
Pin Assignments
Table A-2: RS-232 serial port pin assignments
Pin RS-232 Signal Name
1 DCD
2 RxD
3TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9RI
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