Cisco Systems DPC3208, EPC3208 manual Troubleshooting the Docsis Cable Modem

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5 Chapter 5

Troubleshooting the DOCSIS

Cable Modem

Introduction

This chapter describes the most common issues that may occur after the cable modem is installed and provides possible solutions and tips for improved performance of the cable modem.

In This Chapter

Frequently Asked Questions

32

Common Troubleshooting Issues

37

Tips for Improved Performance

39

4027620 Rev A

31

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Contents
Page Page Please Read Publication Disclaimer Trademark AcknowledgmentsSoftware and Firmware Use Copyright Page Aviso a los instaladores de sistemas Catv Mitteilung für CATV-TechnikerPage Contents Customer Information Ground the Product Power Source WarningProtect the Product from Lightning Verify the Power Source from the On/Off Power LightBattery Safety Battery DisposalProvide Ventilation and Select a Location Protect the Product When Moving ItTelephone Equipment Notice Viii Rev a Important Safety Instructions RF Exposure Statements United States FCC ComplianceDeclaration of Conformity Canada EMI RegulationAustralia CanadaPage Rev a Xiii CE Compliance CEModem/EMTA Page Xvii Audience About This GuideIntroduction PurposeThis Chapter ChapterConnections IntroductionHigh-Speed Data Digital VoiceSoftware and Documentation ManagementWhats In the Carton? Front Panel Description Introducing the Docsis Cable Modem Back Panel Description Page Installing the Docsis Cable Modem What Are the System Requirements for Internet Service? Installation PreparationsWhat Are the Requirements for Telephone Service? Dialing Requirements What Types of Service Accounts Do I Need?Telephone Wiring Requirements Telephone Device TypesHigh-Speed Internet Access Account Install the Battery Optional Where Is the Best Location for My Cable Modem?Telephone Service Close the battery compartment door Installing the BatteryPosition the Cable Modem How Do I Mount the Cable Modem on a Wall? OptionalSelect an Appropriate Place to Mount the Cable Modem Equipment NeededLocation and Dimensions of the Wall-Mounting Slots Mounting the Cable Modem on a Wall Connect Devices to the Cable Modem Install the Cable ModemConnect the Cable Modem Install the Cable Modem Installing the Docsis Cable Modem Operation of Front Panel Indicators Operation of Front Panel Indicators Rev a Front Panel LED Status Indicators During Normal Conditions Normal Operations AC Power AppliedSpecial Conditions Page Maintaining the Battery Location of the Battery Charging the Battery Battery MaintenanceRemoving and Replacing the Battery Using the Cable Modem Without a Battery Troubleshooting the Docsis Cable Modem How Do I Configure TCP/IP Protocol? Frequently Asked QuestionsConfiguring TCP/IP on Macintosh Systems How Do I Renew the IP Address on My PC? Can I Watch TV and Surf the Internet at the Same Time? How Do I Arrange for Installation?What if I Dont Subscribe to Cable TV? How Does the Cable Modem Connect to My Computer?How Many Telephones Can I Connect? Can I Use my Existing Phone Number with the Cable Modem?Cable Modem does not register an Ethernet connection Common Troubleshooting IssuesDont understand the front panel status indicators There is no dial tone when I lift the handsetTroubleshooting the Docsis Cable Modem Tips for Improved Performance Page Customer Information If You Have Questions Customer SupportAustralia Page Index Index
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