FHQ552-T and FHQ842-T LCD Touch Panels User Manual
20
020-000839-01 Rev. 1 (09-2015)
•
For best performance and to minimize cable clutter, use high-quality cables that are only as long as
necessary to connect two devices. For example do not use a 20-foot cable when a 6-foot cable will
suffice.
•
Ensure that the cables are securely connected. Tighten any thumbscrews on connectors.
Connecting a Control System or PC
Use a straight-through RS232 cable with a 3.5 mm
stereo connector to connect a PC or control / automation
system to the RS232 port on the display. For more information about using this connection, refer to Serial
Communications on page 40.
P1
P2
Stereo
Tx
1
2
Rx
DSUB9P
3.5 mm
Rx
2
3
Tx
(Female)
Gnd
3
5
Gnd
To Automation /
Control System
or
PC