
95 Appendix B
B.4 COM2 (CN14)
B.5 COM3 RS-232 serial port (CN4)
Table B.4: COM2 (CN14)
Pin Signal RS-232 RS-422 RS-485
1DCD TX- DATA-
2RX TX+ DATA+
3TX RX+
4DTR RX-
5GND GND
6DSR
7RTS
8CTS
9RI
Table B.5: COM3 RS-232 serial port
Pin Signal Pin Signal
1DCD 2RXD
3TxD 4DTR
5GND 6DSR
7RTS 8CTS
9RI
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