User's Manual

Maintenance, Troubleshooting, and Technical Assistance PRELIMINARY
10-8 InterReach Unison User Guide and Reference Manual
PN 8700-10
620003-0 Rev. A
Failed to perform
system test
STATUS
Red Main Hub internal fail-
ure.
If common point of failure for
more than one Expansion Hub,
replace the Main Hub.
Degraded perfor-
mance.
Internal failure. Perform System Test, if failure
persists, replace the Expansion
Hub.
RAUn uplink
AGC failure
LINK
Red Cat-5/6 cable length. Check Cat-5/6 cable length. RAU is off-line.
RAU
Off Expansion Hub uplink
port failure or RAU
failure.
Move RAU to another port. If
no fault reported, replace the
Expansion Hub. If fault
reported, replace RAU.
Expansion Hub internal
failure.
If common point of failure for
more than one RAU, replace
the Expansion Hub.
No communica-
tion with RAUn
LINK
Red Cat-5/6 cable failure. Verify that the Cat-5/6 cable
has no shorts or opens.
RAUn is off-line.
RAU
Off
RAU internal failure.
or
Expansion Hub port
failure.
Move the RAU to another port.
If fault persists, replace the
RAU; otherwise, replace the
Expansion Hub.
RAUn over cur-
rent
LINK
Green Cat-5/6 cable failure. Verify Cat-5/6 cable has no
shorts or opens.
RAUn is off-line.
RAU
Red
RAU internal failure. Move RAU to another port. If
fault persists, replace the RAU.
If no fault reported, remove the
RAU, power cycle the Expan-
sion Hub, connect known good
RAU to port. If fault reported,
replace the Expansion Hub.
RAUn downlink
port failure
LINK
Green Expansion Hub internal
failure.
Move the RAU to another port.
If fault persists, replace the
Expansion Hub. If no fault, flag
previous port as unusable and
replace the Expansion Hub
when possible.
RAUn is off-line.
RAU
Red
Table 10-2 Expansion Hub Faults (continued)
Fault Message LED State Possible Causes Action Impact