User's Manual

PN 8700-10 Help Hot Line (U.S. only): 1-800-530-9960 9-13
620003-0 Rev. B
Expansion Hub Status Messages
NOTE: If your equipment is using release 3.1 firmware, the icon is displayed
instead of , except for “unit not system tested”.
Table 9-8 Expansion Hub Status Messages
Message Icon Action Impact
Downlink fiber optical
loss greater than recom-
mended maximum
Check the downlink fiber cable for exces-
sive optical loss.
Clean the cable connector.
(Refer to Section 9.2.)
Clean the fiber ports.
(Refer to Section 9.2.)
Degraded system performance.
Uplink laser is failing Replace the Expansion Hub when possi-
ble.
The uplink laser will eventually fail
resulting in the Expansion Hub and con-
nected RAUs being off-line.
Unit not system tested Use AdminManager to command System
Test. Note that the system will be off-line
for 30 seconds during test.
System not operating at optimum perfor-
mance.
Fann failure Check the Expansion Hub fans for rota-
tion, air flow blockage, dust
Use AdminManager to check Expansion
Hub status.
If fans are not operating, replace the
Expansion Hub.
If fans are operating, check room environ-
mental controls.
Temperature may rise to fault level result-
ing in the Expansion Hub and connected
RAUs being off-line.
Cat-5/6 cable between
RAUn and Expansion
Hub is longer than recom-
mended maximum
Check that the Cat-5/6 cable does not
exceed the recommended maximum
length.
Degraded system performance.
Command out of service Command unit into service using Admin-
Manager
Expansion Hub and connected RAUs are
off-line.
MH Commanded Fault
Lockout
Use AdminManager to check Main Hub
faults and replace Main Hub as required.
Expansion Hub and connected RAUs are
off-line.