Cisco Model DPC2420 and EPC2420
Wireless Residential Gateway with
Embedded Digital Voice Adapter
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, Cisco Systems, the Cisco logo, and the Cisco Systems logo are registered
trademarks or trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S.
and certain other countries.
DOCSIS is a registered trademark of Cable Television Laboratories, Inc.
EuroDOCSIS, EuroPacketCable, and PacketCable are trademarks of Cable
Television Laboratories, Inc.
Wi-Fi Protected Setup is a trademark of the Wi-Fi Alliance.
All other trademarks mentioned in this document are the property of their respective
owners.
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.
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.
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 d'emploi 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
4021194 Rev A iii
Contents
IMPORTANT SAFETY INSTRUCTIONS v
United States FCC Compliance viii
CE Compliance x
About This Guide xiii
Chapter 1 Introducing the DOCSIS Residential Gateway 1
Common Troubleshooting Issues ...................................................................................... 108
Tips for Improved Performance ........................................................................................ 110
Chapter 6 Customer Information 111
Customer Support ................................................................................................................ 112
Index 115
IMPORTANT SAFETY INSTRUCTIONS
4021194 Rev A v
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-type plug. 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 power-supply 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.
WARNING: Avoid electric shock and fire hazard! If this product connects to coaxial
cable wiring, be sure the cable system is grounded (earthed). Grounding provides
some protection against voltage surges and built-up static charges.
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
IMPORTANT SAFETY INSTRUCTIONS
vi 4021194 Rev A
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.
WARNING: Avoid electric shock and fire hazard! Do not expose this product to
dripping or splashing liquids, rain, or moisture. Objects filled with liquids, such as
vases, should not be placed on this apparatus.
WARNING: Avoid electric shock and fire hazard! Unplug this product before cleaning.
Do not use a liquid cleaner or an aerosol cleaner. Do not use a magnetic/static cleaning
device (dust remover) to clean this product.
WARNING: Avoid electric shock and fire hazard! Never push objects through the
openings in this product. Foreign objects can cause electrical shorts that can result in
electric shock or fire.
WARNING: Avoid electric shock! Do not open the cover of this product. Opening or
removing the cover may expose you to dangerous voltages. If you open the cover, your
warranty will be void. This product contains no user-serviceable parts.
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 illuminated, the apparatus may still be connected to the power
source. The light may go out when the apparatus is turned off, regardless of whether it is still plugged
into an AC power source.
Eliminate AC Mains Overloads
Provide Ventilation and Select a Location
Remove all packaging material before applying power to the product.
Do not place this apparatus on a bed, sofa, rug, or similar surface.
Do not place this apparatus on an unstable surface.
Do not install this apparatus 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.
Protect from Exposure to Moisture and Foreign Objects
Service Warnings
IMPORTANT SAFETY INSTRUCTIONS
4021194 Rev A vii
Check Product Safety
CAUTION: To reduce the risk of fire, use only No. 26 AWG or larger
telecommunication line cord.
Upon completion of any service or repairs to this product, the service technician must perform safety
checks to determine that this product is in proper operating condition.
Protect the Product When Moving It
Always disconnect the power source when moving the apparatus or connecting or disconnecting
cables.
Telephone Equipment Notice
When using your telephone equipment, basic safety precautions should always be followed to reduce
the risk of fire, electric stock and injury to persons, including the following:
1. Do not use this product near water, for example, near a bath tub, wash bowl, kitchen sink or laundry
tub, in a wet basement or near a swimming pool.
2. Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a
remote risk of electric shock from lightning.
3. Do not use the telephone to report a gas leak in the vicinity of the leak.
SAVE THESE INSTRUCTIONS
20090915_Modem No Battery_Safety
United States FCC Compliance
viii 4021194 Rev A
United States FCC Compliance
This device complies with Part 15 of FCC
Rules. Operation is subject to the following
two conditions: 1) the device may not cause
harmful interference, and 2) the device must
accept any interference received, including
interference that may cause undesired
operation.
DOCSIS Residential Gateway
Model(s): DPC2420 EPC2420
Manufactured by:
Cisco Systems, Inc.
5030 Sugarloaf Parkway
Lawrenceville, Georgia 30044 USA
Telephone: 770-236-1077
This device has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against such interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy. If not installed and used in accordance with the
instructions, it may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by
turning the equipment OFF and ON, the user is encouraged to try to correct the interference
by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the service provider or an experienced radio/television technician for help.
Any changes or modifications not expressly approved by Cisco Systems, Inc., could void the
user's authority to operate the equipment.
The information shown in the FCC Declaration of Conformity paragraph below is a
requirement of the FCC and is intended to supply you with information regarding the FCC
approval of this device. The phone numbers listed are for FCC-related questions only and not
intended for questions regarding the connection or operation for this device. Please contact your
service provider for any questions you may have regarding the operation or installation of this device.
Declaration of Conformity
Canada EMI Regulation
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la class B est conforme à la norme NMB-003 du Canada.
Dynamic Frequency Selection (DFS) Dual Band Frequencies
Some configurations of this product may operate in the 5150-5250 MHz and 5470-5725 MHz
bands. If you select any channel in these frequency ranges, the product is restricted to indoor
operation only per FCC guidance. The use of this product on the affected frequencies when
outside is in non compliance of the FCC regulations and guidelines.
United States FCC Compliance
4021194 Rev A ix
RF Exposure Statements
Note: This transmitter must not be co-located or operated in conjunction with any other
antenna or transmitter. This equipment should be installed and operated with a minimum
distance of 7.9 inches (20 cm) between the radiator and your body.
US
This system has been evaluated for RF exposure for humans in reference to ANSI C 95.1
(American National Standards Institute) limits. The evaluation was based in accordance with
FCC OET Bulletin 65C rev 01.01 in compliance with Part 2.1091 and Part 15.27. The minimum
separation distance from the antenna to general bystander is 7.9 inches (20 cm) to maintain
compliance.
Canada
This system has been evaluated for RF exposure for humans in reference to Canada Health
Code 6 (2009) limits. The evaluation was based on evaluation per RSS-102 Rev 4. The
minimum separation distance from the antenna to general bystander is 7.9 inches (20 cm) to
maintain compliance.
EU
This system has been evaluated for RF exposure for humans in reference to the ICNIRP
(International Commission on Non-Ionizing Radiation Protection) limits. The evaluation was
based on the EN 50385 Product Standard to Demonstrate Compliance of Radio Base Stations
and Fixed Terminals for Wireless Telecommunications Systems with basic restrictions or
reference levels related to Human Exposure to Radio Frequency Electromagnetic Fields from
300 MHz to 40 GHz. The minimum separation distance from the antenna to general
bystander is 20 cm (7.9 inches).
Australia
This system has been evaluated for RF exposure for humans as referenced in the Australian
Radiation Protection standard and has been evaluated to the ICNIRP (International
Commission on Non-Ionizing Radiation Protection) limits. The minimum separation distance
from the antenna to general bystander is 20 cm (7.9 inches).
20091016 FCC DSL_Dom and Intl
CE Compliance
x 4021194 Rev A
CE Compliance
Declaration of Conformity with Regard to the EU Directive 1999/5/EC
(R&TTE Directive)
This declaration is only valid for configurations (combinations of software, firmware and
hardware) supported or provided by Cisco Systems for use within the EU. The use of
software or firmware not supported or provided by Cisco Systems may result in the
equipment no longer being compliant with the regulatory requirements.
CE Compliance
4021194 Rev A xi
Note: The full declaration of conformity for this product can be found in the Declarations of
-1999/5/EC
Conformity and Regulatory Information section of the appropriate product hardware
installation guide, which is available on Cisco.com.
The following standards were applied during the assessment of the product against the
requirements of the Directive 1999/5/EC:
EMC: EN 55022 and EN 55024
EN 61000-3-2 and EN 61000-3-3
Safety: EN 60950-1
This product conforms to the following European directives:
20090724 CE_Modem/EMTA
About This Guide
4021194 Rev A xiii
About This Guide
Introduction
Welcome. This guide provides instructions and recommendations for placing,
installing, configuring, operating, maintaining, and troubleshooting the DPC2420
and EPC2420 DOCSIS Residential Gateways.
All features described in this guide are standard to these models of residential
gateways 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.
Audience
This guide is written for the home subscriber.
Document Version
This is the first formal release of this document.
4021194 Rev A 1
Introduction
This chapter provides an overview of residential gateway features,
indicators, and connectors to help you become familiar with the
residential gateway and the benefits it offers. This chapter also lists the
accessories and equipment that are provided with the residential
gateway so you can verify that you received all of these items.
What's In the Carton? ............................................................................. 3
Front Panel Description ......................................................................... 4
Back Panel Description .......................................................................... 5
Chapter 1 Introducing the DOCSIS Residential Gateway
2 4021194 Rev A
Introduction
Welcome to the exciting world of high-speed Internet and high-quality digital
telephone service. Your new residential gateway is a cable modem that meets
industry standards for high-speed data connectivity along with reliable digital
telephone service. The residential gateway delivers data, voice and wired (Ethernet)
or wireless gateway capabilities to connect a variety of devices in the home or small
office and support high-speed data access and cost-effective voice services, all in one
device. With a residential gateway, your Internet enjoyment, home and business
communications, and personal productivity will surely soar.
Your new residential gateway offers the following outstanding benefits and features:
Compliant with DOCSIS 2.0 and 1.x standards along with PacketCable™ and
EuroPacketCable™ specifications to deliver high-end performance and reliability
High performance broadband Internet connectivity to energize your online
experience
Two-line embedded digital voice adapter for wired telephony service
One 100/10BASE-T Ethernet port to provide wired connectivity
802.11g Wireless Access Point
Wi-Fi Protected Setup™ (WPS), including a push button switch to activate WPS
for simplified and secure wireless setup
User configurable Parental Control blocks access to undesirable Internet sites
Advanced firewall technology deters hackers and protects the home network
from unauthorized access
Attractive compact design that allows for vertical, horizontal, or wall-mounted
operation
Color-coded interface ports and corresponding cables simplify installation and
setup
DOCSIS-5 compliant LED labeling and behavior provides a user and technician
friendly method to check operational status and act as a troubleshooting tool
Allows automatic software upgrades by your service provider
What's In the Carton?
4021194 Rev A 3
What's In the Carton?
One DPC2420 or EPC2420 DOCSIS
Residential Gateway
One Ethernet cable (May not be
provided with all products.)
One AC power adapter with power
cord (May not be provided with all
products.)
When you receive your residential gateway, you should check the equipment and
accessories to verify that each item is in the carton and that each item is undamaged.
The carton contains the following items:
If any of these items are missing or damaged, please contact your service provider
for assistance.
Notes:
You need an optional cable signal splitter and additional standard RF coaxial
cables if you want to connect a VCR, a Digital Home Communications Terminal
(DHCT) or a set-top converter, or a TV to the same cable connection as your
residential gateway.
Cables and other equipment needed for telephone service must be purchased
separately. Contact your service provider to inquire about the equipment and
cables you need for telephone service.
Chapter 1 Introducing the DOCSIS Residential Gateway
4 4021194 Rev A
Front Panel Description
The front panel of your residential gateway provides LED status indicators that
indicate how well and at what state your residential gateway is operating. See
Operation of Front Panel Indicators (on page 95), for more information on front
panel LED status indicator functions.
1 POWER—ON, power is applied to the residential gateway
2 DS—ON, the residential gateway is receiving data from the cable network
3 US—ON, the residential gateway is sending data to the cable network
4 ONLINE—ON, the residential gateway is registered on the network and fully
operational
5 PC—ON, power is applied to the residential gateway
6 WLAN—ON, the wireless access point is operational. BLINKING indicates that
data is being transferred over the wireless connection. OFF indicates that the
wireless access point has been disabled by the user
7WLAN SETUP—OFF (normal condition), wireless setup is not active.
BLINKING indicates the user has activated wireless setup to add new wireless
clients on the wireless network
8LINE1—ON indicates telephony service is enabled. Blinks when LINE1 is in use.
OFF indicates that phone service for LINE1 is not enabled
9LINE2—ON indicates telephony service is enabled. Blinks when LINE2 is in use.
OFF indicates that phone service for LINE2 is not enabled (OPTIONAL)
Note: After the residential gateway is successfully registered on the network, the
POWER, DS, US, and ONLINE LEDs illuminate continuously to indicate that the
residential gateway is active and fully operational.
Back Panel Description
4021194 Rev A 5
Back Panel Description
CAUTION:
Avoid damage to your equipment. Only use the power supply that is provided
with your residential gateway.
CAUTION:
The Reboot EMTA button is for maintenance purposes only. Do
not use unless instructed to do so by your cable or telephone
service provider. Doing so may cause you to lose any cable
modem settings you have selected.
The following illustration identifies the back panel components on the DPC2420 and
EPC2420 residential gateways. Descriptions for each component follow the
illustration.
1POWER—Connects the residential gateway to the AC power adapter that is
provided with your residential gateway
2ON/OFF SWITCH (European models only)—Allows you to turn off of the
residential gateway without removing the power cord. Turning the residential
gateway off using this switch ensures that all AC power is removed from the
unit and that it is consuming no energy.
3TELEPHONE 1 and 2—RJ-11 telephone ports connect to home telephone wiring
to conventional telephones or fax machines
Note: The Telephone 2 is optional.
4 ETHERNET—One RJ-45 Ethernet port connects to the Ethernet port on your PC
or your home network
5REBOOT EMTA—A momentary pressing (1-2 seconds) of this switch reboots
the EMTA. Pressing the switch for more than ten seconds first causes a reset-tofactory-default of all settings and then reboots the gateway
Chapter 1 Introducing the DOCSIS Residential Gateway
6 4021194 Rev A
6 MAC ADDRESS LABEL—Displays the MAC address of the residential gateway
7 CABLE—F-connector connects to an active cable signal from your service
provider
8WIRELESS SETUP—Pressing this switch initiates the wireless setup feature,
which allows you to add new Wireless Protected Setup-compliant (WPScompliant) clients to your home network
4021194 Rev A 7
Introduction
This chapter describes how to properly install the residential gateway
and to connect the residential gateway to a computer and other
devices.
Install the Residential Gateway .......................................................... 17
Chapter 2 Installing the DOCSIS Residential Gateway
8 4021194 Rev A
Installation Preparations
Before installing the residential gateway make sure that your system meets or
exceeds the requirements listed in this section. Also make sure that your have
prepared your home and home devices as described in this section.
What Are the System Requirements for Internet Service?
To ensure that your residential gateway operates efficiently for high-speed Internet
service, verify that all of the Internet devices on your system meet or exceed the
following minimum hardware and software requirements.
Note: You will also need an active cable input line and an Internet connection.
Minimum System Requirements for a PC
A PC with a Pentium MMX 133 processor or greater
32 MB of RAM
Web browsing software
CD-ROM drive
Minimum System Requirements for a Macintosh
MAC OS 7.5 or later
32 MB of RAM
Minimum System Requirements for an Ethernet Connection
A PC with Microsoft Windows 2000 operating system (or later) with TCP/IP
protocol installed, or an Apple Macintosh computer with TCP/IP protocol
installed
An active 10/100/1000BASE-T Ethernet network interface card (NIC) installed
Installation Preparations
4021194 Rev A 9
What Are the Requirements for Telephone Service?
If you intend to use the residential gateway for digital telephone service, verify that
your home meets or exceeds all of the following requirements.
Maximum Number of Telephones
The RJ-11 telephone-style connectors on the residential gateway can each provide
telephone service to multiple telephones, fax machines, and analog modems.
The maximum number of telephone devices connected to each RJ-11 port is limited
by the total Ringing Load of the telephone devices that are connected. Many
telephone devices are marked with a Ringer Equivalent Number (REN). Each
telephone port on the residential gateway can support up to a 5 REN load.
The sum of the REN load on all of the telephone devices attached to each port must
not exceed 5 REN.
Telephone Device Types
You can use telephone devices that are not labeled with a REN number, but the
maximum number of attached telephone devices cannot be accurately calculated.
With telephone devices that are not labeled, each device should be connected and
the ring signal should be tested before adding more devices. If too many telephone
devices are attached and the ring signal can no longer be heard, telephone devices
should be removed until the ring signal works properly.
Telephones, fax machines, and other telephone devices should use the center 2 pins
of the RJ-11 connectors to connect to the residential gateway telephone ports. Some
telephones use other pins on the RJ-11 connectors and require adapters in order to
work.
Dialing Requirements
All your telephones should be set to use Dual-Tone Multi-Frequency (DTMF)
dialing. Pulse dialing is typically not enabled by your local provider.
Telephone Wiring Requirements
The residential gateway supports connecting to the interior telephone wiring as well
as connecting directly to a telephone or fax machine. The maximum distance from
the unit to the most distant telephone device must not exceed 1000 feet (300 meters).
Use 26-gauge twisted-pair, or larger, telephone wiring.
Important: Connection to an existing or a new permanently installed home
telephone wiring network must be done by a qualified installer.
Chapter 2 Installing the DOCSIS Residential Gateway
10 4021194 Rev A
What Types of Service Accounts Do I Need?
Depending upon the features your residential gateway provides, you may need to
establish any of the following accounts with a service provider in order to take full
advantage of these features:
A high-speed Internet access account, if your residential gateway supports an
Internet connection
An account for telephone service, if your residential gateway supports digital
telephone service
Refer to one of the following topics to learn more about the types of service accounts
that you may need to establish.
I Do Not Have a High-Speed Internet Access Account
If you do not have a high-speed Internet access account, your service provider will
set up your account and become your Internet Service Provider (ISP). Internet access
enables you to send and receive e-mail, access the World Wide Web, and receive
other Internet services.
You will need to give your service provider information about the residential
gateway in order to use the high-speed internet feature that this product offers. Refer
to Information Your Service Provider Needs (on page 11) to learn how to locate the
information your service provider needs to establish a high-speed Internet access
account for the residential gateway
I Already Have a High-Speed Internet Access Account
If you have an existing high-speed Internet access account, you will need to give
your service provider the serial number and MAC address of the residential gateway
in order to use the high-speed internet feature that this product offers. Refer to
Information Your Service Provider Needs (on page 11) to learn how to locate this
information.
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