Thomson DCM476 User Manual
CABLE
DCM476 - Digital Cable Modem
User manual
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Important Information
This symbol means that your inoperative electronic appliance must be collected separately and
not mixed with the household waste. The European Union has implemented a specific
collection and recycling system for which producers' are responsible.
This appliance has been designed and manufactured with high quality
materials and components that can be recycled and reused. Electrical and electronic appliances
are liable to contain parts that are necessary in order for the system to work properly but which
can become a health and environmental hazard if they are not handled or disposed of in the
proper way. Consequently, please do not throw out your inoperative appliance with the
household waste.
If you are the owner of the appliance, you must deposit it at the appropriate local collection
point or leave it with the vendor when buying a new appliance.
- If you are a professional user, please follow your supplier's instructions.
- If the appliance is rented to you or left in your care, please contact your service provider.
Help us protect the environment in which we live!
i
Important Information
ii
North American Cable Installer This reminder is provided to call your attention to Article 820.93 of the
National Electrical Code (Section 54 of the Canadian Electrical Code, Part 1) which provides guidelines for proper
grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the
building as close to the point of cable entry as practical.
Power Supply Information
The power supply can be unplugged to turn off main power to the cable modem. It should also be easily
accessible in an emergency.
Power Cord Requirement
This product must be operated with the supplied line cord or with a line cord meeting IEC227 H03 VV-F or
IEC227 H03 VVH2-F having conductors with a cross-sectional area not less than .75mm2.
Operating Information
Operating Temperature: 0˚ to 40˚ C (32˚ to 104˚ F)
Storage Temperature: -20˚ to 70˚ C ( -4˚ to 158˚ F)
If you purchased this product at a retail outlet, please read the following:
Product Registration
Please fill out the product registration card that came with this product and return it immediately.
Returning the card allows us to contact you if needed.
Keep your sales receipt to obtain warranty parts and service and for proof of purchase. Attach it here and record
the serial and model numbers in case you need them. The numbers are located on the back of the product.
Model No. ____________________________ Serial No _____________________________
Purchase Date: _________________________ Dealer/Address/Phone: __________________
Table of Contents
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Table of Contents
Table of ContentsTable of Contents
CHAPTER 1: CONNECTIONS AND SETUP ......................................................................................................... 1
INTRODUCTION ..................................................................................................................................................... 1
C
ABLE MODEM FEATURES
W
HAT’S ON THE
A
CCESSING THE DIAGNOSTICS DISPLAY THROUGH THE
C
OMPUTER REQUIREMENTS
CD-ROM ............................................................................................................................................................ 1
............................................................................................................................................................ 1
CD-ROM ............................................................................................. 1
......................................................................................................................................................... 2
CABLE MODEM OVERVIEW ............................................................................................................................... 3
F
RONT PANEL
R
EAR PANEL
W
ALL MOUNTING
W
HAT THE MODEM DOES
W
HAT THE MODEM NEEDS TO DO ITS JOB
C
ONTACT YOUR LOCAL CABLE COMPANY
................................................................................................................................................................................. 3
................................................................................................................................................................................... 5
.......................................................................................................................................................................... 6
............................................................................................................................................................. 7
................................................................................................................................... 7
................................................................................................................................... 7
CONNECTING THE CABLE MODEM ................................................................................................................. 9
C
ONNECTING THE CABLE MODEM TO A SINGLE COMPUTER
A
TTACHING THE CABLE TV WIRE TO THE CABLE MODEM
E
THERNET CONNECTION TO ONE COMPUTER
C
ONNECTING MORE THAN TWO COMPUTERS TO THE CABLE MODEM
A
CTIVATING THE CABLE MODEM
............................................................................................................................................... 12
........................................................................................................................... 10
...................................................................................................... 9
......................................................................................................... 9
..................................................................................... 11
CHAPTER 2: ADDITIONAL INFORMATION .................................................................................................... 13
FREQUENTLY ASKED QUESTIONS .................................................................................................................. 13
GENERAL TROUBLESHOOTING ...................................................................................................................... 14
FCC DECLARATION OF CONFORMITY AND INDUSTRY CANADA INFORMATION .............................. 15
SERVICE INFORMATION ................................................................................................................................... 15
GLOSSARY ............................................................................................................................................................ 16
Chapter 1: Connections and Setup
1
Chapter 1: Connections and Setup
Introduction
Cable Modem Features
CableLabs DOCSIS 1.0/1.1/2.0/3.0
Support Multiple Provisioning Mode.
Standard RJ-45 connector for 10/100/1000BaseT Ethernet with auto-negotiation and MDIX functions;
Support maximum Ethernet cable length up to 100m (Category 5)
Support 8 downstream and 4 upstream bonded channels.
Giga tuner design.
Maximum data rate upstream up to 131Mbps(Theoretical) and downstream up to 340Mbps (Theoretical)
Transparent bridging for IP traffic
RSA and 56 bit DES data encryption security
SNMP network management support
Remote operating firmware downloading
Support Web pages and private DHCP server for status monitoring
The following may affect the speed of your cable modem: your computer equipment and configuration (processor
speed, amount of RAM, available disk space); the number of programs you are running at the same time; the
capacity of your ISP; network traffic levels; the Ethernet device in use on your computer. Your cable company
may or may not fully support the speed capabilities of this modem.
What’s on the CD-ROM
Insert the cable modem CD-ROM into your CD-ROM drive to view troubleshooting tips, the internal
diagnostics, and other valuable information.
CD-ROM Contents:
Electronic file of the instruction book in additional languages
Usage and troubleshooting tips
Accessing the Diagnostics Display through the CD-ROM
A button on the CD-ROM menu called “Look at Diagnostics” (found under the “About My Cable Modem” menu)
launches your browser and displays status and diagnostic information stored within the modem in HTML format
(if allowed by the cable operator).
Chapter 1: Connections and Setup
2
Please note that before this page can be displayed, your PC must receive an IP address assignment from the
Cable company’s server, over the cable network. You may want to “bookmark” the IP address in your
browser after the diagnostics page is displayed.
Computer Requirements
Personal computer with the following minimum system requirements (note that the minimum requirements may
vary by Cable company):
IBM PC COMPATIBLE MACINTOSH**
CPU
System RAM
Operating System
Available Disk
Space
Sound Card
Video
CD-ROM Drive
Ethernet
Pentium preferred PowerPC or higher
16MB (32MB preferred) 24MB (32MB preferred)
Windows* 2000/XP/VISTA Mac OS** 7.6.1 or higher
125MB 50MB
Preferred N/A
VGA or better (SVGA preferred) VGA or better (SVGA built-in preferred)
Required Required
10BaseT, 100BaseT,1000BaseT 10BaseT, 100BaseT,1000BaseT
An Ethernet card makes it possible for your computer to pass data to
and from the internet. You must have an Ethernet card and software
drivers installed in your computer. You will also need a standard
Ethernet cable to connect the Ethernet card to your cable modem.
*Windows is a trademark of the Microsoft Corporation.
**Macintosh and the Mac OS are trademarks of Apple Computer, Inc.
Chapter 1: Connections and Setup
3
During DHCP, configuration file download, registration, and
Lights Flash sequentially
Lights Flash sequentially
CMTS
US/DS Channel Bonding and Registered with D30 mode (BLUE
Cable Modem Overview
Front Panel
The following illustration shows the front panel of the model:
The LEDs on the front panel are described in the table below (from left to right):
DCM476
Boot-up
Operation
DOCSIS
Start-up
Operation
Channel
Bonding
Operation
Power DS US
ON
X FLASH FLASH FLASH X Following system initialization complete to (before) DS scanning
ON FLASH OFF OFF
ON
ON
ON
ON FLASH FLASH OFF
FLAS
H
X X X X OFF
OFF
FLAS
H
ON ON ON ON Power on 0.25 sec
ON FLASH OFF
ON ON FLASH X
ON ON ON X Operational (NACO=ON)
FLASH FLASH FLASH FLASH
X X OFF OFF
FLASH FLASH FLASH FLASH
ONLIN
E
LINK
X During DS scanning and acquiring SYNC
X From SYNC completed, receiving UCD to ranging completed
Baseline Privacy initialization
DHCP status, LED SHOULD be ON 1 sec, and OFF 1 sec
TFTP status, LED SHOULD be ON 0.25 sec, and OFF 0.25 sec
X Operational (NACO=OFF)
Wait registration with all DS and all US –
from the right to left
Minimum duration 3 seconds
From 1 to 4 DS, from 1 to 4 LEDs are ON.
From 5 to 8 DS, from 1 to 4 LEDs are flashing
Duration 3 seconds
From 1 to 2 US, from 2 to 3 LEDS are ON.
From 3 to 4 US, from 2 to 3 LEDS are flashing.
Duration 3 seconds
Wait registration with all DS and all US –
from the left to right
Minimum duration 3 seconds
Description
CM
Registration
Flavors
ON
ON
ON
ON
ON
X
ON ON ON X
No US/DS Channel Bonding and Registered with Pre-D30
(Green LEDs)
LEDs)
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