Cisco Systems EPC3208, DPC3208 manual Operation of Front Panel Indicators

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

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