44 PPC-L106T User Manual
A.5 COM3 RS-232 serial port connector (CN2-1)A.6 COM4 RS-232 serial port connector (CN2-2)

Table A.5: COM3 RS-232 serial port

Pin Signal
1 DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI

Table A.6: COM4 RS-232 serial port

Pin Signal
1 DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
1
5
2
3
49
6
7
8