User's Manual

Table Of Contents
Help Hot Line (U.S. only): 1-800-530-9960 9-7
D-620616-0-20 Rev A CONFIDENTIAL
Troubleshooting
Table 9-2 Troubleshooting Main Hub Status LEDs During Normal Operation
During
Normal
Operation
Main Hub
Status
LEDs State Action Impact
At Any
Time
MAIN HUB
STATUS
Red Use AdminBrowser to determine the
exact cause of the fault.
Power cycle one time. If the fault
remains, replace the Main Hub.
Internal Main Hub fault.
Use AdminBrowser to check if the
Main Hub is commanded
Out-of-Service (every Expansion
Hub port status LED will be red as
well).
A power cycle will not clear a com-
manded Out-of-Service, you must
use AdminBrowser to clear this
state.
The Main Hub and all downstream
units are off-line.
MAIN HUB
STATUS
Flashing
Red
(60ppm)
Reduce input signal power. Signal compression.
At Any
Time
POWER
Red Replace the Main Hub. One or more power supplies are out of
specification.