Advantech UNO 2173A/AF user manual RS-422/485 Serial Port UNO-2173AF, Power Connector PWR

A.4 RS-422/485 Serial Port (UNO-2173AF)

Table A.5: RS-422/485 serial port pin assignments

Pin	RS-422	RS-485
1	TX+	Data+
2	TX-	Data-

3RX+

4RX-

5GND

A.5 Power Connector (PWR)

Table A.6: Power connector pin assignments

Pin

1V+ (9~36VDC)

2V-

3Field Ground

UNO-2173A/AF User Manual 28