B&B Electronics UNO-2170 Network Card User Manual


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A.3 RS-232 Standard Serial Port (COM1~COM2)
Table A.4:
RS-232 standard serial port
pin
assignments
Pin RS-232 Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
UNO-2170 User Manual 26
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