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Troubleshooting the Motorola SURFboard® SBG900 Wireless Gateway Cable Modem
Last Updated: Fri, 15 Nov 2013 > Related Articles
This article provides an overview of the available ports and an explanation of the status lights on a Motorola Surfboard SBG900 Wireless Gateway cable modem.
The Motorola SBG900 is a DOCSIS 2.0 cable modem.
After the cable modem has successfully registered on the network, the Power, Receive, Send, and Online indicators illuminate continuously to indicate that the cable modem is online and fully operational. For more details, refer to the Modem Lights section.
|Power||Off||No power.||Verify power supply connections, the power switch on the modem itself, the electrical outlet, and make sure the outlet is not connected to a switch.|
|Flashing||An error has occurred during normal operation.|
|Searching for cable connection.||Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work, contact Customer Support.|
|Fast Flashing Modem||Searching for cable connection.||If this is a new modem or a replacement modem, contact Cox with the MAC address. If there are several MAC addresses on the modem, use the HFC or RF MAC address. View MAC Address Label.|
|Off||No connection cable connection.||Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work, contact Customer Support.|
|Send||Flashing||Scanning for the upstream frequency.||Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work, contact Customer Support.|
|Online||Flashing||Scanning for the network connection.|
|Activity||Blinking||None. Transmitting or receiving data.||N/A|
|Wireless||Flashing Green||None. Modem is transferring data via wireless connection.||N/A|
Data Sheet (PDF)