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ARRIS / Motorola SB6121
Last Updated: Fri, 05 Dec 2014 > Related Articles
Learn about the available ports and an explanation of the status lights on an ARRIS / Motorola SB6121 cable modem.
If you need help setting up your cable modem, refer to the following articles.
The ARRIS / Motorola SB6121 is a DOCSIS 3.0 cable modem. This modem is currently only recommended for the Preferred package and below. If used with a Microsoft operating system other than Vista or Windows 7, the registry keys must be updated to enable maximum speed performance.
After the cable modem is 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.
|Off||No power||Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.|
|Flashing||Scanning for downstream channel||Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.|
|Solid Green||None - connection from the computer to the Internet established on one channel||N/A|
|Solid Blue||None - operating on more than one channel (downstream bond mode)||N/A|
|Off||Upstream channel inactive||Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.|
|Flashing||Scanning for upstream channel|
|Solid Green||None - connection from the Internet to the computer established on one channel||N/A|
|Solid Blue||None - operating on more than one channel (upstream bond mode).||N/A|
|Solid Green||None - operational||N/A|
|Flashing||None - scanning for configuration parameters||N/A|
|Off||No devices connected|
|Flashing||None - a single device connected to the Ethernet port and data is being transferred between the computer and the cable modem||N/A|
|Solid Blue||None - connected to 1000 Mbps||N/A|
|Solid Amber||None - connected at 10 or 100 Mbps||N/A|