Cable Modem Troubleshooting: Cisco UBR904

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

Manufacturer: CiscoModel: UBR 904
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Modem Light Indicators
LEDDescriptionFunction
OKSystem statusSolid Light = System OK
Blinking Light = Fault
Off = No Power
ActCable activityBlinking Light = Cable Activity
Off = No Activity
1Ethernet 1Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
2Ethernet 2Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
3Ethernet 3Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
4Ethernet 4Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
MSGMessageUsed by your cable service provider to provide additional information. Contact your service provider for status details.
LinkCable LinkSolid Light = Link Up
Off = Link down
User 1User LED 1Downstream OK
User 2User LED 2Upstream OK
User 3User LED 3Signal strength OK
Notes and Useful Information:
Installation and User Manual
Manufacturer Product Website

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