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Last Updated: Mon, 19 May 2014 > Related Articles
Learn about the available ports and an explanation of the status lights on a Motorola SB6121 cable modem.
The Motorola SB6121 is a DOCSIS 3.0 cable modem. If this modem is used with the Ultimate Internet, only available in limited markets, and 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 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 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 is in progress.||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 is established on one channel.||N/A|
|Solid Blue||None. The modem is operating on more than one channel (downstream bond mode).||N/A|
|Off||Upstream channel is 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 is in progress.|
|Solid Green||None. Connection from the Internet to the computer is established on one channel.||N/A|
|Solid Blue||None. The modem is operating on more than one channel (upstream bond mode).||N/A|
|Solid Green||None. Cable modem is operational.||N/A|
|Flashing||None. Scanning for configuration parameters.||N/A|
|Off||No devices connected.|
|Flashing||None. A single device is connected to the Ethernet port and data is being transferred between the PC 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|