Serial Port 5 Connector (Com5); Serial Port 1 Rs485/422 Mode Connector (Jrs485) - Avalue Technology OFT-21W33 Quick Reference Manual

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
OFT-21W33 Quick Reference Guide 51
Signal
2 NRXD
4 NDTR#
6 NDSR#
8 NCTS#
10 NC
Signal
2 422RX-
4 422RX+
6 GND