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Page: 20
SmartPad LCD
™
© 2008 Xantech Corporation
Serial Port Wiring (RS422232)
(Figure 3 – Item 20)
This is a bi-directional
RS422 Port
that can be run up to
4000ft
. (1.2KM) to communicate with a remote
RS232
device
.
1.
Using
CAT5 cable
terminated in RJ45 connectors in a pin to pin configuration, connect the
Serial Port
on
the
SPLCD Rear Panel
to the
Serial Port
on a Xantech
RS422232
.
(Figure 10)
NOTE 1:
The
RS422232 Converter
(sold separately) and a
12VDC Power Supply
(Xantech model
781ERGPS) should be located within
30ft
of the
RS232 device
to be controlled.
NOTE 2:
A
Null Modem Adaptor
may
be necessary for proper communication. Please consult
manufacturer’s specification of device being controlled.
DB9 Pin Out
Function
2 Rx
3 Tx
5 GND
RS422232 DB9 Pin Out
Figure 10 – Interfacing to MRC and Serial Control