Motorola SB6121, 575319-019-00 manual Troubleshooting Solutions

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Troubleshooting

If the solutions listed here do not solve your problem, contact your service provider.

You may have to reset the SB6121 modem configuration to its original factory settings if the cable modem is not functioning properly.

Your service provider may ask for the status of the icon lights as described in Front Panel Icons and Error Conditions.

Solutions

Table 1 – Troubleshooting Solutions

MODEM PROBLEM

POSSIBLE SOLUTION

 

 

 

 

Power Icon is OFF

Check that the SB6121 is properly plugged into the

 

electrical wall outlet.

 

 

Check that the electrical outlet is working.

 

 

Check that the Energy Conservation switch

is ON

 

(pushed in).

 

 

 

Cannot Send or

On the front panel, note the status of the icons and refer

Receive Data

to Front Panel Icons and Error Conditions to identify the

error.

If you have cable television, check your television to ensure your cable service is operating properly.

Check the coaxial cable connection at the SB6121 and cable wall outlet. Hand-tighten if necessary.

Check the IP address. Follow the steps for verifying the IP address for your system described in Configuring TCP/IP. Call your service provider if you need an IP address.

Check that the Ethernet cable is properly connected to the SB6121 and the computer.

If a device is connected via the Ethernet port, check that the ONLINE icon is ON to verify connectivity.

Call your service provider for further assistance.

Troubleshooting • Solutions

SB6121 DOCSIS 3.0® Cable Modem • Installation Guide

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Contents Motorola SURFboard Page Contents Safety and Regulatory Information Read This Before You BeginFCC Statements Industry Canada IC Statement Contact Information BoxSystem Requirements Introduction System Requirements Product Overview Front PanelRear Panel MAC Label Installing the Modem Connecting the SB6121Using the Energy Conservation Switch Wall Mounting the ModemWall Mounting Template Installing the Modem Wall Mounting the Modem Configuring TCP/IP for Windows Checking for an Internet ConnectionConfiguring TCP/IP for Windows XP Configuring TCP/IP for Windows VistaOpen the Control Panel Verifying the IP Address for Windows Vista Click All Programs Click AccessoriesVerifying the IP Address for Windows Verifying the IP Address for Windows XPRenewing the IP Address for Windows 7, Vista, or XP Starting the Modem Configuration Manager Monitoring Your ModemRestoring Your Modem Settings Click Reset All DefaultsSolutions Troubleshooting SolutionsFront Panel Icons and Error Conditions Front Panel Icons and Error ConditionsYou may Software LicenseYou may not Warranty Information Government Restricted RightsSoftware License & Warranty Warranty Information Motorola, Inc Tournament Drive Horsham, PA 19044 U.S.A
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