Rs-485 Serial Port (Com1), Rs-4222/485 Serial Port (Com2) And Console Port - Advantech UNO-1251G User Manual

A.2 RS-485 Serial Port (COM1), RS-4222/485 Serial
Port (COM2) and console port
Table A.2: Connectors and Jumpers
Pin
1
2
3
4
5
6
7
8
9
10
Description
GND
GND
COM2 RS-422 Rx
Debug port Rx
COM2 RS-422 Rx+
Debug port Tx
COM2 RS-422 Tx+ or RS-485 Data+
COM1 RS-485 Data+
COM2 RS-422 Tx- or RS-485 Data-
COM1 RS-485 Data-
19 UNO-1251G User Manual