Cisco Systems DPQ2202 Front Panel LED Status Indicator Functions, Battery

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Front Panel LED Status Indicator Functions

Front Panel LED Status Indicator Functions

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 (Registration Completed), the modem proceeds immediately to Normal Operations. See Normal Operations (AC Power applied) (on page 35).

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

Step		1	2	3	4	5	6	7	8

Front Panel		Power	Self	Downstream	Downstream	Ranging	Requesting	Registering	Registration
Indicator		Up	Test	Scan	Signal Lock		IP Address		Completed
1	POWER	On	On	On	On	On	On	On	On
2	DS	Blinking	On	Blinking	On	On	On	On	On
3	US	Blinking	On	Off	Off	Blinking	On	On	On
4	ONLINE	Blinking	On	Off	Off	Off	Off	Blinking	On
5	LINK	Off	On	On	On	On	On	On	On
				or	or	or	or	or	or
				Blinking	Blinking	Blinking	Blinking	Blinking	Blinking
7	TEL1	Off	On	Off	Off	Off	Off	Off	Off
8	TEL2	Off	On	Off	Off	Off	Off	Off	Off
9	BATTERY	Off	On	Off	Off	Off	Off	Off	Off
	(optional
	model only)

*The ONLINE LED is on whenever a PC is connected to the modem, and it blinks to indicate that data is being transferred. If the modem is used to provide telephone service only and is not connected to a PC, the ONLINE LED is off.

34	4028520 Rev A

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Contents Cisco Model DPQ2202 VoIP Cable Modem User Guide This DocumentImportant Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvPower Source Warning Ground the ProductProtect the Product from Lightning Verify the Power Source from the On/Off Power LightHandling Disposable Batteries Protect the Product When Moving It Provide Ventilation and Select a LocationDeclaration of Conformity Canada EMI RegulationBenefits and Features IntroductionIntroduction Whats In the Carton? Front Panel Description Battery Illuminates when the battery is fully charged Back Panel Description Minimum System Requirements for Macintosh What Are the System Requirements for Internet Service?Minimum System Requirements for a PC System Requirements for an Ethernet ConnectionDo Not Have a High-Speed Internet Access Account Already Have an Existing High-Speed Internet Access AccountWant to Use the Cable Modem for Telephone Service Where Is the Best Location for My Cable Modem? How Do I Mount the Modem on a Wall? Optional Before You BeginLocation and Dimensions of the Wall-Mounting Slots Number of Telephone Devices What Are the Requirements for Telephone Service?Telephone Wiring Requirements Telephone Device TypesConnecting and Installing Internet Devices To connect devicesPort on the back of the cable modem Rev a Installing USB Drivers Installing USB Drivers on Windows 2000 SystemsInstalling USB Drivers on Windows XP Systems Installing USB Drivers on Windows Vista SystemsUsing the Modem Without a Battery How Do I Maintain the Battery Optional Model OnlyCharging the Battery Replacing the BatteryLocation of the Battery Optional Model Only Removing and Replacing the BatteryHow Do I Maintain the Battery Optional Model Only Frequently Asked Questions How do I arrange for cable telephony installation?How many telephones can I connect? Frequently Asked Questions Common Troubleshooting Issues Having Difficulty?Tips for Improved Performance Check and CorrectFront Panel LED Status Indicator Functions BatteryNormal Operations AC Power applied Front Panel LED Status Indicators During Normal OperationsDocumentation Copyright Notice TrademarksDisclaimer Software and Firmware Use NoticeFor Information If You Have Questions