BFC-1209
10 BFC-1209 Quick Reference Guide
2.1 BFC-1209 connector mapping
2.1.1
External Serial Port connector (COM)
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
TX-
1
6
NC
TX+
2
7
NC
RX+
3
8
NC
RX-
4
9
NC
GND
5
RS-485
Signal
PIN PIN
Signal
DATA-
1
6
NC
DATA+
2
7
NC
NC
3
8
NC
NC
4
9
NC
GND
5
