User's Manual

PN 8700-10 Help Hot Line (U.S. only): 1-800-530-9960 10-9
620003-0 Rev. A
PRELIMINARY Fault Indications
Remote Access Unit Faults
Table 10-3 Remote Access Unit Faults
Fault Message LED State Possible Causes Action Impact
Hardware failure
ALARM
Red Internal hardware failure. Replace the RAU. RAU is off-line.
Frequency band
not programmed
ALARM
Red Wrong version of RAU for
frequency band desired.
Replace the RAU if not valid
for desired frequency band.
RAU is off-line.
RAU is over
temperature
ALARM
Red Ambient temperature
above maximum.
Check environmental controls;
move the RAU to cooler envi-
ronment.
RAU is off-line.
Power supplied
by Expansion
Hub is too low
ALARM
Red Cat-5/6 cable failure. Verify Cat-5/6 cable has no
shorts or opens.
RAU is off-line.
RAU internal failure.
or
Expansion Hub port fail-
ure.
Move the RAU cable to another
Expansion Hub port. If fault
persists, replace the RAU; oth-
erwise, replace the Expansion
Hub.
Expansion Hub internal
failure.
If common point of failure for
more than one RAU, replace
the Expansion Hub.
Power supplied
by Expansion
Hub is too high
ALARM
Red Cat-5/6 cable failure. Verify Cat-5/6 cable has no
shorts or opens.
RAU is off-line.
Expansion Hub internal
failure.
or
RAU internal failure.
Move RAU cable to another
Expansion Hub port. If fault
persists, replace the RAU, oth-
erwise replace the Expansion
Hub.
Cat-5/6 cable too
long
ALARM Red Cat-5/6 cable is too long. Verify that the Cat-5/6 cable
has no shorts or opens.
Verify maximum Cat-5/6 cable
length of 150 meters.
RAU is off-line.