LPC-0809
10 LPC-0809 Quick Reference Guide
2.1 LPC-0809 connector mapping
2.1.1
Serial port 1 connector (COM1)
RS-232
Signal
PIN PIN
Signal
DCD
1
6
DSR
RXD
2
7
RTS
TXD
3
8
CTS
DTR
4
9
RI
GND
5
RS-422
Signal
PIN PIN
Signal
TxD-
1
6
NC
RxD+
2
7
NC
TxD+
3
8
NC
RxD-
4
9
NC
GND
5
RS-485
Signal
PIN PIN
Signal
DATA-
1
6
NC
NC
2
7
NC
DATA+
3
8
NC
NC
4
9
NC
GND
5
