Table 9-4 Troubleshooting Expansion Hub Status Leds - ADC InterReach Fusion Installation, Operation And Reference Manual

Expansion
During Hub
Normal Status
Operation LEDs
At Any Time UL STATUS
DL STATUS
E-H
STATUS
D-620610-0-20 Rev D
Troubleshooting Expansion Hub Status LEDs During Normal
Table 9-4
Operation
State Action
Red Check uplink fiber for optical loss.
Power cycle Expansion Hub one
time to check uplink laser.
Red Check the downlink fiber for opti-
cal loss
Red If either the
UL STATUS
are also red, see above.
STATUS
Cycle power on the Expansion
Hub. If fault remains, replace the
Expansion Hub.
Help Hot Line (U.S. only): 1-800-530-9960
Impact
No communications between the Main
Hub and the Expansion Hub.
Uplink laser failure.
No communications with the Main Hub.
or the Internal Expansion Hub fault (including
DL
either of the above
states).
STATUS
Troubleshooting
or
UL STATUS DL
9-9
CONFIDENTIAL