Cisco Router DPC3208 User Manual

							 
 
 
40 2 76 20  Rev   A 
Cisco Model DPC3208 and EPC3208 
8x4 DOCSIS 3.0 Cable Modem 
User Guide 
 
 
  
						

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

							 
 
Notices 
Trademark Acknowledgments 
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its 
affiliates in the U.S. and other countries. A listing of Ciscos trademarks can be found 
at 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. (1009R) 
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 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.  
						

							 
 
Copyright 
© 2011 Cisco and/or its affiliates.  All rights reserved.  Printed in the United States of 
America. 
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. 
  
						

							 
 
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. 
 
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 demploi et les instructions relatives au 
fonctionnement, à moins que vous ne soyez qualifié pour ce faire. 
  
						

							 
 
Mitteilung für CATV-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. 
 
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. 
 20080814_Installer820_Intl 
  
						

							 
 
4027620 Rev A iii 
 
Contents 
IMPORTANT SAFETY INSTRUCTIONS v 
United States FCC Compliance x 
CE Compliance xiv 
About This Guide xviii 
Chapter 1  Introducing the DOCSIS Cable Modem 1 
Introduction .............................................................................................................................. 2 
Whats In the Carton? .............................................................................................................. 4 
Front Panel Description .......................................................................................................... 5 
Back Panel Description ............................................................................................................ 7 
Chapter 2  Installing the DOCSIS Cable Modem 9 
Installation Preparations ....................................................................................................... 10 
Install the Cable Modem ....................................................................................................... 18 
Chapter 3  Operation of Front Panel Indicators 21 
Initial Power Up, Calibration, and Registration (AC Power applied)............................ 22 
Normal Operations (AC Power Applied) .......................................................................... 24 
Special Conditions ................................................................................................................. 25 
Chapter 4  Maintaining the Battery 27 
Location of the Battery .......................................................................................................... 28 
Battery Maintenance .............................................................................................................. 29 
Chapter 5  Troubleshooting the DOCSIS Cable Modem 31 
Frequently Asked Questions ................................................................................................ 32 
Common Troubleshooting Issues ........................................................................................ 37 
Tips for Improved Performance .......................................................................................... 39  
						

							 
Contents  
 
iv 4027620 Rev A 
Chapter 6  Customer Information 41 
Customer Support .................................................................................................................. 42 
Index 45