User's Manual

Maintenance, Troubleshooting, and Technical Assistance PRELIMINARY
10-10 InterReach Unison User Guide and Reference Manual
PN 8700-10
620003-0 Rev. A
Downlink pilot
failure
ALARM
Red Cat-5/6 cable failure. Verify that the Cat-5/6 cable
has no shorts or opens.
Verify maximum Cat-5/6 cable
length of 150 meters.
Verify minimum Cat-5/6 cable
length of 10 meters.
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. Or, mark the Expansion
Hub’s port as unusable.
Expansion Hub internal
failure.
If common point of failure for
more than one RAU, replace
the Expansion Hub.
Table 10-3 Remote Access Unit Faults (continued)
Fault Message LED State Possible Causes Action Impact