Cable Modem Troubleshooting: Com21 CP3001/DP1010

Light patterns, images, manuals and more helpful info for the Com21 CP3001/DP1010 cable modem(s) –

Manufacturer: Com21 Model: CP3001/DP1010
Modem Light Indicators

Solid Green – Indicates power is on.
Off – No power.


Solid Green – Modem is acquired.
Green/Amber rapid flashing – Modem image is updating.
Solid Amber – Hardware failure.
Amber flashing – Detecting downstream signal.

TD Flashes in sync with activity over cable network.

Flashes in sync with activity over the PC.


Solid Green – Indicates connection to a functional ethernet connection.

Notes and Useful Information:

Installation and User Manual
Manufacturer Product Website

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