User's Manual
PN 8700-10 Help Hot Line (U.S. only): 1-800-530-9960 9-9
620003-0 Rev. B
RAU Faults
RAUn discon-
nected
and
LINK
Red RAU was connected
and is now discon-
nected.
If RAUn is disconnected,
reconnect it or use AdminMan-
ager’s “Clear All Disconnect
Status” command to clear the
disconnect fault.
RAUn is off-line.
RAU
Off
Cat-5/6 cable failure. Check Cat-5/6 cable for shorts
or opens.
RAU internal failure or
Expansion Hub port
bad.
Move the RAU to another port.
If fault persists, replace the
RAU. If no fault, flag previous
port as unusable and replace the
Expansion Hub when possible.
No communica-
tion with RAUn
and
LINK
Red Cat-5/6 cable failure. Verify that the Cat-5/6 cable
has no shorts or opens.
Degraded perfor-
mance.
RAU
Off
RAU internal failure.
or
Expansion Hub port
failure.
Move the RAU cables to
another port. If fault persists,
replace the RAU; otherwise,
the Expansion Hub port is bad,
mark the port as unusable and
replace the Expansion Hub
when possible.
RAUn over
current
and
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.
Table 9-2 Faults Reported by the Expansion Hub (continued)
Fault Message LED State Possible Causes Action Impact