User`s manual

ManualsBrandsAdvantech ManualsComputer equipmentPCA-6145L

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