
C.4 COM3 RS-232 serial port (CN4)
Table
Pin Signal
1DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
1
2
3
4
5
6
7
8
9
C.5 COM4 RS-232 serial port (CN5)
Table
Pin Signal
1DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Appendix C I/O Pin Assignments | 1 1 3 |