Advantech AIMB-742 - COM1;COM2 RS-232 Serial Port (CN9, CN10); Keyboard and Mouse Connnector (CN11); Table B.6:COM1;2 RS-232 Serial Port (CN9;10)

AIMB-742 User’s Manual 92
B.6 COM1/COM2 RS-232 Serial Port (CN9, CN10)
B.7 Keyboard and Mouse Connnector (CN11)
Table B.6: COM1/2 RS-232 serial port (CN9/10)
Pin Signal
1 DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI