Scientific Atlanta DPX2203 Internet Service Troubleshooting, Common Troubleshooting Suggestions

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Internet Service: Troubleshooting

Common Troubleshooting Suggestions

The modem does not register an Ethernet connection.

Even new computers do not always have Ethernet capabilities. Be sure to verify that your computer has a 10/100BaseT Ethernet card and that the Ethernet driver software is properly installed. If you purchase and install an Ethernet card, follow the installation instructions very carefully.

The modem does not register an Ethernet connection after connecting to a hub.

If you are connecting multiple PCs to the cable modem, you should first connect the modem to the up-link port of the hub. The LINK light of the hub illuminates continuously.

The modem does not register a cable connection.

•The modem works with a standard, 75-ohm, RF coaxial cable. If you are using a different cable, your cable modem will not function properly. Contact your cable service provider to determine whether you are using the correct cable.

•Verify that you have followed the procedure for Renewing the IP address for Microsoft Windows 95, 98, 98SE, or ME PCs earlier in this guide.

Note: If you have Microsoft Windows 2000, NT, or XP, consult your user’s manual for the procedure for renewing the IP address on your PC.

•Your USB interface may be malfunctioning. Refer to the troubleshooting information in your USB documentation.

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4004041 Rev A

WebSTAR DPX2203 or EPX2203 VoIP Cable Modem User’s Guide

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Contents WebSTAR DPX2203 EPX2203 VoIP Cable Modem User’s Guide Introduction OverviewThis Guide Important Rules for Safe Operation This SectionPlacement Cleaning the EquipmentRead and Retain These Instructions Important Rules for Safe Operation Power Cord Protection Power SourcesDamage that Requires Service GroundingSection B Before You Begin Equipment Checklist Check Your EquipmentSection C Front and Back Panel Components WebSTAR Cable Modem Front Panel Front Panel ComponentsWebSTAR Cable Modem Back Panel Back Panel ComponentsInitial Power Up, Calibration, and Registration Functions of the Front Panel LightsNormal Operations Front Panel Lights During Normal OperationsSpecial Conditions Front Panel Lights During Special ConditionsSection D Internet Service Installation Internet Service OverviewContacting Your Local Cable Service Provider Internet Service Before You BeginSelecting a Location for Your Modem Internet Service System Requirements Minimum System Requirements for PCsInternet Service Install the Cable Modem Installation DiagramInstalling the Modem for High-Speed Data Service Internet Service Configure TCP/IP Microsoft Windows 95, 98, 98SE, and MEResults Microsoft Windows Microsoft Windows XPMacintosh Internet Service Install USB Drivers Microsoft Windows 98, 98SE, or MEMicrosoft Windows Microsoft Windows XP Internet Service Frequently Asked Questions Frequently Asked QuestionsInternet Service Troubleshooting Common Troubleshooting SuggestionsCheck and Correct Section E Telephone Service Installation Telephone Service OverviewTelephone Service Before You Begin Selecting a Location for Your Modem Telephone Service Telephone Requirements Telephone Wiring RequirementsNumber of Telephone Devices Telephone Device TypesTelephone Service Install the Cable Modem Installing the Cable Modem to Provide Telephone ServiceInstallation Diagram Installing the Cable Modem Telephone Service Frequently Asked Questions Can I use my existing phone number with the cable modem?Telephone Service Troubleshooting There is no dial tone when I lift the telephone handsetTrademarks DisclaimerDocumentation Copyright Notice Software Use NoticeUnited States FCC Compliance FCC ComplianceFCC Declaration of Conformity Canada EMI Regulation FCC PartIC Industry Canada Notice For Information If You Need Technical Assistance