Advantech PCA-6751 Series - COM2 RS-422;485 Connector (CN14); Table C-12: COM2 RS-232;422;485 Connector (CN14)

86 PCA-6751 Series User's Manual
C.13 COM2 RS-422/485 connector (CN14)
Table C-12: COM2 RS-232/422/485 connector (CN14)
Pin RS-232 port RS-422 port RS-485 port
1 DCD TXD- DATA-
2 DSR N/C N/C
3 RxD TXD+ DATA+
4 RTS N/C N/C
5 TxD RXD+ N/C
6 CTS N/C N/C
7 DTR RXD- N/C
8 RI N/C N/C
9 GND GND GND
10 N/C N/C N/C
8
57
6
93
2
4
1
10