Filter
Top Products
131 Appendix C
C.18 COM1 RS-232 serial port (CN8)
C.19 COM2 RS232/422/485 series port (CN16)
Table C.18: COM1 RS-232 serial port (CN8)
Pin Signal
1 DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table C.19: COM2 RS-232/422/485 series port
Pin RS-232 port RS-422 port RS-485 port
1 DCD N/C N/C
2DSR N/C N/C
3RXD N/C N/C
4 RTS N/C N/CN/C
5TxD N/C N/C
6CTS N/C N/C
7DTR N/C N/C
8RI N/C N/C
9GND N/C N/C
10 GND N/C N/C
11 N/C TxD-+ DATA+
12 N/C TxD- DATA-
13 N/C RxD+ N/C
14 N/C RxD- N/C