Cisco Systems EPC3208, DPC3208 manual Operation of Front Panel Indicators

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Chapter 3 Operation of Front Panel Indicators

Initial Power Up, Calibration, and Registration (AC Power applied)

The following chart illustrates the sequence of steps and the corresponding appearance of the cable modem front panel LED status indicators during power up, calibration, and registration on the network when AC power is applied to the cable modem. Use this chart to troubleshoot the power up, calibration, and registration process of your cable modem.

Note: After the cable modem completes Step 7 (Data Network Registration Complete), the cable modem proceeds immediately to Normal Operations. See Normal Operations (AC Power applied) (on page 24).

Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration

Part 1, High Speed Data Registration

Step:		1		2	3	4	5	6

Front Panel		Self		Downstream	Downstream	Ranging	Requesting IP	Request High Speed
Indicator		Test		Scan	Signal Lock		Address	Data Provisioning
								File
1	POWER	On		On	On	On	On	On

2	DS	On		Blinking	On	On	On	On

3	US	On		Off	Off	Blinking	On	On
4	ONLINE	On		Off	Off	Off	Off	Blinking

5	LINK	Off		On or Blinking	On or Blinking	On or	On or Blinking	On or
						Blinking		Blinking
6	TEL 1	On		Off	Off	Off	Off	Off
7	TEL 2	On		Off	Off	Off	Off	Off

8	BATTERY		On – When battery is charged

Blinks – When battery charge is low

Off – When there is no battery in the unit

Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration

Part 2, Telephone Registration

Step:		7	8	9	10	11

Front Panel		Data Network	Requesting	Request	Restarting Voice	Telephone
Indicator		Registration	Telephone IP	Telephone	Service	Registration
		Complete	Address	Provisioning File		Complete

1	POWER	On	On	On	On	On
2	DS	On	On	On	On	On

3	US	On	On	On	On	On
4	ONLINE	On	On	On	On	On

22	4027620 Rev A

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Contents Page Page Please Read Publication Disclaimer Trademark AcknowledgmentsSoftware and Firmware Use Copyright Page Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvPage Contents Customer Information Power Source Warning Ground the ProductBattery Disposal Verify the Power Source from the On/Off Power LightBattery Safety Protect the Product from LightningProvide Ventilation and Select a Location Protect the Product When Moving ItTelephone Equipment Notice Viii Rev a Important Safety Instructions Canada EMI Regulation United States FCC ComplianceDeclaration of Conformity RF Exposure StatementsCanada AustraliaPage Rev a Xiii CE Compliance CEModem/EMTA Page Xvii Purpose About This GuideIntroduction AudienceChapter This ChapterDigital Voice IntroductionHigh-Speed Data ConnectionsManagement Software and DocumentationWhats 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? Telephone Device Types What Types of Service Accounts Do I Need?Telephone Wiring Requirements Dialing RequirementsHigh-Speed Internet Access Account Install the Battery Optional Where Is the Best Location for My Cable Modem?Telephone Service Installing the Battery Close the battery compartment doorEquipment Needed How Do I Mount the Cable Modem on a Wall? OptionalSelect an Appropriate Place to Mount the Cable Modem Position the Cable ModemLocation 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 Normal Operations AC Power Applied Front Panel LED Status Indicators During Normal ConditionsSpecial 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 Frequently Asked Questions How Do I Configure TCP/IP Protocol?Configuring TCP/IP on Macintosh Systems How Do I Renew the IP Address on My PC? How Does the Cable Modem Connect to My Computer? How Do I Arrange for Installation?What if I Dont Subscribe to Cable TV? Can I Watch TV and Surf the Internet at the Same Time?Can I Use my Existing Phone Number with the Cable Modem? How Many Telephones Can I Connect?There is no dial tone when I lift the handset Common Troubleshooting IssuesDont understand the front panel status indicators Cable Modem does not register an Ethernet connectionTroubleshooting the Docsis Cable Modem Tips for Improved Performance Page Customer Information Customer Support If You Have QuestionsAustralia Page Index Index