Cisco Systems DPC3008CC User Manual
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User Guide

Linksys DPC3008/EPC3008 Cable Modem

Linksys DPC3008/EPC3008

Contents

Contents

Notices

About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Where to find more help . . . . . . . . . . . . . . . . . . . . . . . . . .1 Software and firmware use . . . . . . . . . . . . . . . . . . . . . . . . 1

Important Safety Instructions

Notice to installers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Important safety instructions . . . . . . . . . . . . . . . . . . . . . . .3 Regulatory compliance statements . . . . . . . . . . . . . . . . . . . 5

CE compliance

6

Product Overview

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

DOCSIS

8

Connections

8

Design and function

8

Management

9

Front panel

9

Back panel

9

Installing Your Modem

Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

System requirements for Internet service

10

Getting a high-speedInternet account

10

If you already have a high-speedInternet account

10

Modem information

10

Positioning your modem. . . . . . . . . . . . . . . . . . . . . . . . . 10

Wall-mountingthe modem (optional)

11

Installing the modem . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Connect devices to the modem

12

Connect the modem

13

Understanding the Front Panel

Indicators

Indicator charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Normal operations (power up)

14

Normal operations (AC power applied)

14

Special conditions

14

FAQs and Troubleshooting

Frequently asked questions . . . . . . . . . . . . . . . . . . . . . . . 15

Common troubleshooting issues

17

Tips for improved performance

18

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Linksys DPC3008/EPC3008

 

Notices

Notices

 

Important Safety Instructions

 

 

 

 

 

 

About this guide

This guide provides instructions and recommendations for installing, configuring, operating, maintaining, and troubleshooting the DPC3008 and EPC3008 DOCSIS 3..0 cable modems..

All features described in this guide are standard to these models of cable modems unless otherwise noted.. For the purpose of this guide, whenever a feature or option applies to only a specific model, the model number is specified.. If a model number is not specified, then the feature or option applies to both of the models..

Where to find more help

In addition to this User Guide, you can find help atLinksys.com/support..

Software and firmware use

The software described in this document is protected by copyright law and furnished to you under a license agreement.. You may only use or copy this software in accordance with the terms of your license agreement..

The firmware in this equipment is protected by copyright law.. You may only use the firmware in the equipment in which it is provided.. Any reproduction or distribution of this firmware, or any portion of it, without our express written consent is prohibited..

Notice to installers

The servicing instructions in this notice are for use by qualified service personnel only.. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions, unless you are qualified to do so..

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Linksys DPC3008/EPC3008

Important Safety Instructions

Notice à l’attention des installateurs de réseaux câblés

Les instructions relatives aux interventions d’entretien, fournies dans la présente notice, s’adressent exclusivement au personnel technique qualifié.. Pour réduire les risques de chocs électriques, n’effectuer aucune intervention autre que celles décrites dans le mode d’emploi et les instructions relatives au fonctionnement, à moins que vous ne soyez qualifié pour ce faire..

Mitteilung für CATV-Techniker

DieindieserMitteilungaufgeführtenWartungsanweisungensindausschließlich für qualifiziertes Fachpersonal bestimmt.. Um die Gefahr eines elektrischen Schlags zu reduzieren, sollten Sie keine Wartungsarbeiten durchführen, die nicht ausdrücklich in der Bedienungsanleitung aufgeführt sind, außer Sie sind zur Durchführung solcher Arbeiten qualifiziert..

Aviso a los instaladores de sistemas CATV

Las instrucciones de reparación contenidas en el presente aviso son para uso exclusivo por parte de personal de mantenimiento cualificado.. Con el fin de reducir el riesgo de descarga eléctrica, no realice ninguna otra operación de reparación distinta a las contenidas en las instrucciones de funcionamiento, a menos que posea la cualificación necesaria para hacerlo..

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Linksys DPC3008/EPC3008

Important safety instructions

1.Read these instructions..

2.Keep these instructions..

3.Heed all warnings..

4.Follow all instructions..

5.Do not use this apparatus near water..

6.Clean only with dry cloth..

7.Do not block any ventilation openings.. Install in accordance with the manufacturer’s instructions..

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat..

9.Do not defeat the safety purpose of the polarized or grounding-typeplug.. A polarized plug has two blades with one wider than the other.. A grounding type plug has two blades and a third grounding prong.. The wide blade or the third prong are provided for your safety.. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet..

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus..

11.Only use attachments/accessories specified by the manufacturer..

12.Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.. When a cart is used,

use caution when moving the cart/apparatus combination to avoid injury from tip-over..

13.Unplug this apparatus during lightning storms or when unused for long periods of time..

14.Refer all servicing to qualified service personnel.. Servicing is required when the apparatus has been damaged in any way, such as a powersupply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped..

Important Safety Instructions

Power source warning

A label on this product indicates the correct power source for this product.. Operate this product only from an electrical outlet with the voltage and frequency indicated on the product label.. If you are uncertain of the type of power supply to your home or business, consult your service provider or your local power company..

The AC inlet on the unit must remain accessible and operable at all times..

Ground the product

WARNING

Avoid electric shock and fire hazard! If this product connects to coaxial cable wiring, make sure the cable system is grounded (earthed).. Grounding provides some protection against voltage surges and built-upstatic charges..

Outdoor grounding system

If this product connects to an outdoor antenna or cable system, be sure the antenna or cable system is grounded (earthed).. This provides some protection against voltage surges and built-upstatic charges..

Article 810 of the National Electric Code (NEC) ANSI/NFPA No.. 70-1990,provides the following information:

Grounding of the mast and supporting structure

Grounding thelead-inwire to an antenna discharge unit

Size of the grounding conductors

Location of theantenna-dischargeunit

Connection to grounding electrodes

Requirements for the grounding electrodes (see the following antenna grounding diagram as recommended by NEC ANSI/NFPA 70)

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Linksys DPC3008/EPC3008

WARNING

Avoid electric shock and fire hazard! Do not locate an outside antenna system in the vicinity of overhead power lines or power circuits.. Touching power lines or circuits might be fatal..

Protect the product from lightning

In addition to disconnecting the AC power from the wall outlet, disconnect the signal inputs..

Verify the power source from the On/Off power light

When the on/off power light is not on, the modem may still be connected to the power source.. The light may go out when the modem is turned off, regardless of whether it is still plugged into an AC power source..

Important Safety Instructions

Eliminate AC mains overloads

WARNING

Avoid electric shock and fire hazard! Do not overload AC mains, outlets, extension cords, or integral convenience receptacles.. For products that require battery power or other power sources to operate them, refer to the operating instructions for those products..

Provide ventilation and select a location

Remove all packaging material before applying power to the product..

Do not place this product on a bed, sofa, rug, or similar surface..

Do not place this product on an unstable surface..

Do not install this product in an enclosure, such as a bookcase or rack, unless the installation provides proper ventilation..

Do not place entertainment devices (such as VCRs or DVDs), lamps, books, vases with liquids, or other objects on top of this product..

Do not block ventilation openings..

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