3Com OfficeConnect 3CRWDR200A-75 User Manual

Contents

3Com OfficeConnect 3CRWDR200A-75 User Manual Manual pdf 101 page image

6 TROUBLESHOOTINGBasic ConnectionChecks■ Check that the Router is connected to your computers, and that allthe equipment is powered on. Check that the LAN Status and SyncDSL Status LEDs on the Router are illuminated, and that anycorresponding LEDs on NIC are also illuminated.■ Ensure that the computers have completed their start-up procedureand are ready for use. Some network interfaces may not be correctlyinitialized until the start-up procedure has completed.■ If the link status LED does not illuminate for a port that is connected,check that you do not have a faulty cable. Try a different cable.Browsing to theRouterConfigurationScreensIf you have connected your Router and computers together but cannotbrowse to the Router configuration screens, check the following:■ Confirm that the physical connection between your computer and theRouter is OK, and that the LAN Status LEDs on the Router and NIC areilluminated and indicating the same speed (10Mbps or 100Mbps).Some NICs do not have status LEDs, in which case a diagnosticprogram may be available that can give you this information.■ Ensure that you have configured your computer as described inChapter 3, Setting Up Your Computers. Restart your computer while itis connected to the Router to ensure that your computer receives an IPaddress.■ When entering the address of the Router into your web browser,ensure that you use the full URL including the http:// prefix (e.g.http://192.168.1.1).■ Ensure that you do not have a Web proxy enabled on your computer.Go to the Control Panel and click on Internet Options. Select theConnections tab and click on the LAN Settings button at the bottom.Make sure that the Proxy Server option is unchecked.