Cable Modem Troubleshooting: Motorola SB5120

Light patterns, images, manuals and more helpful info for the Motorola SB5120 cable modem –

Manufacturer: MotorolaModel: SB5120
Modem Light Indicators
Power

Flashing – Startup diagnostics in progress.
On – Cable modem is powered on.

Receive

Flashing – Scanning for a downstream channel.
On – Downstream channel is connected.

SendFlashing – Scanning for an upstream channel.
On – Upstream channel is connected.
Online

Flashing – Scanning for a network connection.
On – Startup process complete. Modem aqcuired.

Activity

Flashing or On – Transmitting or receiving data.

Standby

This light turns on when the standby button is pressed and standby
mode is activated. If this light is on, all other lights will be off.
Notes and Useful Information:

Installation and User Manual (Requires Adobe Acrobat)
Motorola Product Website


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