Oft-21W33 Connector Mapping; Serial Port Connector (Com) - Avalue Technology OFT-21W33 Quick Reference Manual

OFT-21W33

2.1 OFT-21W33 connector mapping

2.1.1

Serial Port connector (COM)

40 OFT-21W33 Quick Reference Guide
In RS-232 Mode
Signal PIN PIN
NDCD# 1 6
NRXD 2 7
NTXD 3 8
NDTR# 4 9
GND 5
In RS-422 Mode
Signal PIN PIN
TxD1- 1 6
TxD1+ 2 7
RxD1+ 3 8
RxD1- 4 9
GND 5
In RS-485 Mode
Signal PIN PIN
DATA1- 1 6
DATA1+ 2 7
NC 3 8
NC 4 9
GND 5
Signal
NDSR#
NRTS#
NCTS#
NRI#
Signal
NC
NC
NC
NC
Signal
NC
NC
NC
NC