2.4.9
Serial port 5 connector (COM5)
2.4.10
Serial Port 1 RS485/422 Mode connector (JRS485)
Quick Reference Guide
Signal
PIN PIN
NDCD#
1
NTXD
3
GND
5
NRTS#
7
NRI#
9
Signal
PIN PIN
485TX-
1
485TX+
3
GND
5
OFP-21W33 Quick Reference Guide 51
Signal
2
NRXD
4
NDTR#
6
NDSR#
8
NCTS#
10
NC
Signal
2
422RX-
4
422RX+
6
GND