User`s manual

AIMB-740-B/741-B User’s Manual 112
B.6 COM1/COM2 RS-232 Serial Port (CN9, CN10)
Table B.6: COM1/2 RS-232 serial port (CN9/10)
Pin Signal
1 DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI