User`s manual

Appendix A Pin Assignments 103
COM1 RS-232 connector (CN15)
Table A-11: COM1 RS-232 connector
Pin Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9RI
15
9
6
324
78
8
5
7
6
9
3
2
4
1
10
COM2 RS-232 connector (CN14)
Table A-10: COM2 RS-232 connector
Pin RS-232 port Pin RS-232 port
1 DCD 6 CTS
2 DSR 7 DTR
3 RxD 8 RI
4 RTS 9 GND
5 TxD 10 N/C