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Troubleshooting the Motorola SURFboard® SBG900 Wireless Gateway Cable Modem

Last Updated: Wed, 23 Nov 2011 > Related Articles

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Summary

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.

Solution


Installation

If you need help setting up your cable modem, refer to the following articles.

 


The Motorola SBG900 is a DOCSIS 2.0 cable modem.

Front View

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.

Back View

The Motorola SBG900 has the following ports available on the back of the modem:

  • ETHERNET - Connects to the Ethernet port on your computer.
  • USB - Connects to the USB port on your computer.
  • CABLE - Connects to the cable wall outlet.
  • Power - Connects the cable modem to the power adapter.

Modem Lights

The modem lights indicate the current status of your cable modem. To troubleshoot any connection problems, use the table below.

Ethernet Connection or USB Connection - Modem functioning correctly

Wireless Connection - Modem functioning correctly

Modem Looking for Cable Connection 

Modem LightStatusProblemSolution
PowerOffNo 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.
FlashingAn error has occurred during normal operation.Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
ReceiveSlow
Flashing		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 ModemSearching 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.
OffNo 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.
SendFlashingScanning 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.
OnlineFlashingScanning for the network connection.Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work, contact Customer Support.
ActivityBlinkingNone. Transmitting or receiving data.N/A
WirelessFlashing GreenNone. Modem is transferring data via wireless connection.N/A

MAC Address Label

MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F). A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device.

Manufacturer Resources




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