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Appendix A Pin Assignments 85
COM2 RS-232/422/485 serial port (CN14)
Table A-3: COM2 RS-232/422/485 series port
Pin RS-232 port RS-422 port RS-485 port
1 DCD N/C N/C
2 DSR N/C N/C
3 RxD N/C N/C
4 RTS N/C N/C
5 TxD N/C N/C
6 CTS N/C N/C
7 DTR N/C N/C
8 RI N/C N/C
9 GND N/C N/C
10 N/C 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
Keyboard and mouse connnector (CN17)
Table A-4: Keyboard and mouse connector
Pin Signal
1 KB DATA
2 MS DATA
3 GND
4V
CC
5 KB CLOCK
6 MS CLOCK
131
214