User`s manual

80 PCA-6753F User's Manual

COM2 RS-422/485 connector (CN11)

Table C-9: COM2 RS-232/422/485 connector

Pin RS-422 port RS-485 port

1 TXD- DATA-

2 N/C N/C

3 TXD+ DATA+

4 N/C N/C

5 RXD+ N/C

6 N/C N/C

7 RXD- N/C

8 N/C N/C

9 GND GND

10 N/C N/C

COM1 RS-232 connector (CN12)

Table C-10: COM1 RS-232 connector

Pin Signal

1 DCD

2 RXD

3 TXD

4DTR

5GND

6 DSR

7 RTS

8 CTS

9RI

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