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Sys
tem - QBiX DIN Rail Series
QBiX
-DR-EHLA6412H-A1 (DR-6412A
-SI)
3.2.15 COM1 (Serial Port connector (RS-232/422/485 &
RI/5V/12V))
15
COM1
COM1
COM1
COM1
Serial port Connector
Pin
No.
RS-232
RS-422
Full Duplex
RS-485
Half Duplex
1
DCD
TXD
-
D-
2
RXD
TXD+
D+
3
TXD
RXD+
—
4
DTR
RXD-
—
5
GND
6
DSR
—
—
7
RTS
—
—
8
CTS
—
—
9
RI
—
—
*
NOTE : RI/5V/12V are supported by BIOS selection.
(please refer to Page 63)