Quick Reference Guide
ARC-1532-C2 Quick Reference Guide 13
2.1 ARC-1532-C2 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-422/485
Signal
PIN PIN
Signal
5
GND
422RX+
4
3
485TX+
422RX-
2
1
485TX-
2.1.2
Serial port 2/3/4/5/6 connector (COM2/3/4/5/6)
Signal
PIN PIN
Signal
DCD
1
6
DSR
RXD
2
7
RTS
TXD
3
8
CTS
DTR
4
9
RI
GND
5