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Sys
tem - QBiX DIN Rail Series
QBiX
-DR-EHLA6412H-A1 (DR-6412A
-SI)
3.2.3 COM3, COM4 (Serial port header, RS-232/422/485 &
RI/5V/12V)
3
Serial Port Cable Connector
Pin
No.
RS-232
RS-422
Full Duplex
RS-485
Half Duplex
1
RXD
TXD+
D+
2
DCD
TXD-
D-
3
DTR
RXD-
—
4
TXD
RXD+
—
5
DSR
—
—
6
GND
—
—
7
CTS
—
—
8
RTS
—
—
9
No Connect
—
—
10
RI/5V/12V
—
—
Connector PN
Vendor
725-81-10TW00
PINREX
A2004WV-2X05P46
JOINT-TECH
Pin 1