4
FX Supervisory Controllers LON Card Installation Instructions
Operation
LEDs
Two LEDs are visible on the top of the LON Option
Card. To see them, remove the cover from the FX
Supervisory Controller. The LEDs operate as follows:
•
RX (green): Receive—indicates that another
L
ON
W
ORKS
device is transmitting a message.
•
TX (yellow): Transmit—indicates that the FX
Supervisory Controller is transmitting a message
on the L
ON
W
ORKS
network.
These LEDs are labeled on the top of the LON card
(see Figure 1).
Repair Information
If the LON Option Card fails to operate within its
specifications, replace the unit. For a replacement
Option Card, contact the nearest Johnson Controls®
representative.
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
Johnson Controls® is a registered trademark of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners. © 2014 Johnson Controls, Inc.
