Cable Modem Troubleshooting: Cisco UBR904

by Ross McKillop on August 16, 2006

Cable Modems

Light patterns, manuals and more helpful info for the Cisco UBR904 cable modem -

Manufacturer: Cisco Model: UBR 904
no photo available
Modem Light Indicators
LED Description Function
OK System status Solid Light = System OK
Blinking Light = Fault
Off = No Power
Act Cable activity Blinking Light = Cable Activity
Off = No Activity
1 Ethernet 1 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
2 Ethernet 2 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
3 Ethernet 3 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
4 Ethernet 4 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
MSG Message Used by your cable service provider to provide additional information. Contact your service provider for status details.
Link Cable Link Solid Light = Link Up
Off = Link down
User 1 User LED 1 Downstream OK
User 2 User LED 2 Upstream OK
User 3 User LED 3 Signal strength OK
Notes and Useful Information:
Installation and User Manual
Manufacturer Product Website
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