Cisco Comcast Xfinity DPC3939 User manual

OL-29163-01
CiscoModel DPC3939 DOCSIS 3.0
16x4 WirelessResidentialVoice
Gateway
User Guide

PleaseRead
Important
Read this entire guide. If this guide provides installation or operation instructions,
give particular attention to all safety statements included in this guide.

Notices
TrademarkAcknowledgments
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its
affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this
URL: www.cisco.com/go/trademarks. DOCSIS is a registered trademark of Cable
Television Laboratories, Inc. EuroDOCSIS, EuroPacketCable, and PacketCable are
trademarks of Cable Television Laboratories, Inc. The Wi-Fi Protected Setup mark is
a mark of the Wi-Fi Alliance. Wi-Fi Protected Setup is a trademark of the Wi-Fi
Alliance.
Other third party trademarks mentioned are the property of their respective owners.
The use of the word partner does not imply a partnership relationship between
Cisco and any other company. (1110R)
Publication Disclaimer
Cisco Systems, Inc. assumes no responsibility for errors or omissions that may
appear in this publication. We reserve the right to change this publication at any
time without notice. This document is not to be construed as conferring by
implication, estoppel, or otherwise any license or right under any copyright or
patent, whether or not the use of any information in this document employs an
invention claimed in any existing or later issued patent.
Disclaimer
The maximum performance for wireless is derived from IEEE Standard 802.11
specifications. Actual performance can vary, including lower wireless network
capacity, data throughput rate, range and coverage. Performance depends on many
factors, conditions and variables, including distance from the access point, volume of
network traffic, building materials and construction, operating system used, mix of
wireless products used, interference and other adverse conditions.
Software andFirmware 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.

Copyright
© 2013 Cisco Systems, Inc. All rights reserved.
Information in this publication is subject to change without notice. No part of this
publication may be reproduced or transmitted in any form, by photocopy,
microfilm, xerography, or any other means, or incorporated into any information
retrieval system, electronic or mechanical, for any purpose, without the express
permission of Cisco Systems, Inc.

NoticetoInstallers
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.
Notice àl’attention desinstallateurs deréseaux 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.

MitteilungfürCATV-Techniker
Die in dieser Mitteilung aufgeführten Wartungsanweisungen sind ausschließlich 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.
Avisoa losinstaladores desistemas 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.
20080814_Installer820_Intl

OL-29163-01 iii
Contents
IMPORTANT SAFETYINSTRUCTIONS v
United States FCC Compliance xi
CECompliance xiii
About This Guide xv
Chapter 1 Introducing the ResidentialGateway 1
Introduction .........................................................................................................................2
What's In th e Carto n? ..........................................................................................................4
Front Panel Description ......................................................................................................5
Top Panel Desc ription.........................................................................................................7
Bottom Panel Desc ription ...................................................................................................8
Back Panel Desc ription .......................................................................................................9
Chapter 2 Installing theResidentialGateway 11
Installation P reparations ...................................................................................................12
Install the Resid ential Gateway........................................................................................17
Install the Battery ..............................................................................................................20
MoCA Installation Guidelines .........................................................................................22
Chapter 3 Configuringthe ResidentialGateway 25
Configure Wireless Settings .............................................................................................26
Chapter 4 Operation of Front Panel Indicators 37
Initial Power Up, Calibration, and Registration (AC Power applied) ...........................38
Normal Op erations (AC Power Applied) .......................................................................40
Special Conditio ns .............................................................................................................41

Contents
iv OL-29163-01
Chapter 5 Maintaining theBattery 43
Location of the Battery ......................................................................................................44
Battery Mai nte nanc e .........................................................................................................45
Chapter 6 Troubleshooting the Residential Gateway 47
Fre que ntly Ask ed Questio ns ............................................................................................48
Common Troubleshooting Issues ....................................................................................54
Tips for Improved Performa nce .......................................................................................56
Chapter 7 Customer Information 57