Arc-21W38 Connector Mapping; Serial Port 1 Connector (Com1) - Avalue Technology ARC-21W38 Quick Reference Manual

2.1 ARC-21W38 connector mapping

2.1.1

Serial port 1 connector (COM1)

* Default
Note:
supports RS232 (BOM option for RS422/485)
Quick Reference Guide
RS-232*
Signal
NDCD#
NRXD
NTXD
NDTR#
GND
RS-422(BOM option)
Signal
TxD-
TxD+
RxD+
RxD-
GND
RS-485(BOM option)
Signal
DATA-
DATA+
NC
NC
GND
ARC-21W38 Quick Reference Guide 27
PIN PIN Signal
1 6 NDSR#
2 7 NRTS#
3 8 NCTS#
4 9 NRI#
5
PIN PIN Signal
1 6 NC
2 7 NC
3 8 NC
4 9 NC
5
PIN PIN Signal
1 6 NC
2 7 NC
3 8 NC
4 9 NC
5