3Com OfficeConnect 3CRWE53172 User Manual

Also see for OfficeConnect 3CRWE53172: Datasheet Installation guide

Contents

6 TROUBLESHOOTINGBasic ConnectionChecks■ Check that the Gateway is connected to your computers and to thecable/DSL modem, and that all the equipment is powered on. Checkthat the LAN Status and Cable/DSL Status LEDs on the Gateway areilluminated, and that any corresponding LEDs on the cable/DSLmodem and the 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 theGatewayConfigurationScreensIf you have connected your Gateway and computers together but cannotbrowse to the Gateway configuration screens, check the following:■ Confirm that the physical connection between your computer and theGateway is OK, and that the LAN Status LEDs on the Gateway and NICare illuminated 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 Gateway to ensure that your computer receives anIP address.■ When entering the address of the Gateway 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 the