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Scientific Atlanta DPX2203 Internet Service Troubleshooting, Common Troubleshooting Suggestions

Models: DPX2203 EPX2203

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Internet Service: Troubleshooting

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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Scientific Atlanta DPX2203, EPX2203 manual Internet Service Troubleshooting, Common Troubleshooting Suggestions

Contents

WebSTAR DPX2203 and EPX2203 VoIP Cable Modem User’s Guide WebSTAR DPX2203 or EPX2203 VoIP Cable Modem User’s Guide OverviewIntroduction In This GuideSection A IMPORTANT RULES FOR SAFE OPERATION In this SectionIMPORTANT RULES FOR SAFE OPERATION OverviewNote to Installer Cleaning the EquipmentPlacement IMPORTANT RULES FOR SAFE OPERATIONAccessories Lightning and Power SurgesIMPORTANT RULES FOR SAFE OPERATION, Continued VentilationPower Cord Protection Power SourcesDamage that Requires Service GroundingSection B Before You Begin OverviewIntroduction In this SectionEquipment Checklist Check Your EquipmentSection C Front and Back Panel Components OverviewIntroduction In this SectionWebSTAR 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 Functions of the Front Panel Lights, ContinuedFront Panel Lights During Normal Operations Functions of the Front Panel Lights, Continued Special ConditionsFront Panel Lights During Special Conditions Section D Internet Service Installation Internet Service OverviewIntroduction In this SectionContacting Your Local Cable Service Provider Internet Service Before You BeginSelecting a Location for Your Modem Internet Service System Requirements Minimum System Requirements for PCsMinimum System Requirements for Macintosh System Requirements for an Ethernet ConnectionInternet Service Install the Cable Modem Installation DiagramInternet Service Install the Cable Modem, Continued Installing the Modem for High-Speed Data ServiceMicrosoft Windows 95, 98, 98SE, and ME Internet Service Configure TCP/IPIntroduction Results Internet Service Configure TCP/IP, ContinuedRenewing the IP Address for Microsoft Windows 95, 98, 98SE, and ME Microsoft Windows Microsoft Windows XPInternet Service Configure TCP/IP, Continued ResultsMacintosh Internet Service Configure TCP/IP, ContinuedInternet Service Install USB Drivers Microsoft Windows 98, 98SE, or MEIntroduction ResultsInternet Service Install USB Drivers, Continued Microsoft WindowsInternet Service Install USB Drivers, Continued Microsoft Windows XPInternet Service Frequently Asked Questions Frequently Asked QuestionsQ. How do I arrange for installation? Q. Once my cable modem is connected, how do I access the Internet?Internet Service Troubleshooting Common Troubleshooting SuggestionsThe modem does not register an Ethernet connection The modem does not register a cable connectionInternet Service Troubleshooting, Continued Check and CorrectSection E Telephone Service Installation Telephone Service OverviewIntroduction In this SectionTelephone Service Before You Begin Contacting Your Local Cable Service ProviderTelephone Service Before You Begin, Continued Selecting a Location for Your ModemTelephone Service Telephone Requirements Telephone Wiring RequirementsNumber of Telephone Devices Telephone Device TypesInstalling the Cable Modem to Provide Telephone Service Telephone Service Install the Cable ModemIntroduction Telephone Service Install the Cable Modem, Continued Installation DiagramInstalling the Cable Modem Telephone Service Install the Cable Modem, ContinuedTelephone Service Frequently Asked Questions Q. Can I use my existing phone number with the cable modem?Q. How many telephones can I connect? Q. Can I surf the Internet and make telephone calls at the same time?Telephone Service Troubleshooting There is no dial tone when I lift the telephone handsetCommon Troubleshooting Suggestions Check and CorrectNotices TrademarksDisclaimer Documentation Copyright NoticeFCC Compliance United States FCC ComplianceFCC Declaration of Conformity TelephoneCanada EMI Regulation FCC Compliance, ContinuedFCC Part IC Industry Canada Notice FCC Compliance, ContinuedFor Information If You Need Technical Assistance2003 Scientific-Atlanta, Inc. All rights reserved WebSTAR DPX2203 or EPX2203 VoIP Cable Modem User’s GuideProduct and service availability is subject to change without notice Scientific-Atlanta, Inc5030 Sugarloaf Parkway, Box Lawrenceville, GA