THOMSON TCM470, DCM475 User Manual

User manual

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TCM470/DCM475 - Digital Cable Modem

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!

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.

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Important Information

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: __________________

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Table of Contents

CHAPTER 1: CONNECTIONS AND SETUP............................................................................................................. 1

INTRODUCTION........................................................................................................................................................... 1

CABLE MODEM FEATURES............................................................................................................................................................ 1

WHAT’S ON THE CD-ROM............................................................................................................................................................ 1

ACCESSING THE DIAGNOSTICS DISPLAY THROUGH THE CD-ROM.............................................................................................1

COMPUTER REQUIREMENTS ......................................................................................................................................................... 2

CABLE MODEM OVERVIEW....................................................................................................................................3

FRONT PANEL................................................................................................................................................................................. 3

REAR PANEL................................................................................................................................................................................... 4

WALL MOUNTING.......................................................................................................................................................................... 5

RELATIONSHIP AMONG THE DEVICES........................................................................................................................................... 6

WHA T TH E MODEM DOES ............................................................................................................................................................. 6

WHA T TH E MODEM NEEDS TO DO ITS JOB .................................................................................................................................. 6

CONTACT YOUR LOCAL CABLE COMPANY................................................................................................................................... 7

CONNECTING THE CABLE MODEM...................................................................................................................... 8

CONNECTING THE CABLE MODEM TO A SINGLE COMPUTER ......................................................................................................8

ATTACHING THE CABLE TV WIRE TO THE CABLE MODEM ......................................................................................................... 8

ETHERNET CONNECTION TO ONE COMPUTER .............................................................................................................................9

CONNECTING MORE THAN TWO COMPUTERS TO THE CABLE MODEM.................................................................................... 10

ACTIVATING THE CABLE MODEM................................................................................................................................................11

CHAPTER 2: ADDITIONAL INFORMATION........................................................................................................ 12

FREQUENTL Y ASKED QUESTIONS....................................................................................................................... 12

GENERAL TROUBLESHOOTING........................................................................................................................... 13

FCC DECLARATION OF CONFORMITY AND INDUSTRY CANADA INFORMATION............................... 14

SERVICE INFORMATION.........................................................................................................................................14

GLOSSARY...................................................................................................................................................................15

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Chapter 1: Connections and Setup

Chapter 1: Connections and Setup

Introduction

Cable Modem Features

• CableLabs DOCSIS(option)/Cable Europe Labs EuroDOCSIS 1.0/1.1/2.0/3.0 compliant.

• Support Multiple Provisioning Modes.

• Standard RJ-45 connector for 10/100/1000 BaseT Ethernet with auto-negotiation and MDIX functions; Support

maximum Ethernet cable length up to 100m (Category 5).

• Support 8 downstream channels and 4 upstream channels.

• Giga tuner design.

• Maximum data rate upstream up to 120 Mbps (Theoretical) and downstream up to 340 Mbps (440 Mbps

EuroDOCSIS) (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).

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Chapter 1: Connections and Setup

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):

CPU
System RAM

Operating System
Available Disk

Space
Sound Card

Video
CD-ROM Drive

Ethernet

IBM PC COMPATIBLE MACINTOSH**

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.

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Chapter 1: Connections and Setup

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):

DCM475

TCM470

Boot-up

Operation

DOCSIS
Start-up

Operation

Channel
Bonding

Operation

Power DS US ONLINE LINK

ON ON ON ON ON Power on 0.25 sec

X FLASH FLASH FLASH X

ON FLASH OFF OFF X During DS scanning and acquiring SYNC

ON ON FLASH OFF X From SYNC completed, receiving UCD to ranging completed

ON ON ON FLASH X

ON ON ON ON X Operational (NACO=ON)

ON FLASH FLASH OFF X Operational (NACO=OFF)

FLASH FLASH FLASH FLASH FLASH

X X X X OFF

OFF X X X X From 1 to 4 US, from 1 to 4 LEDs are ON.

Following system initialization complete to (before) DS scanning

During DHCP, configuration file download, registration, and
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

Wait registration with all DS and all US – Lights Flash
sequentially 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

Description

FLASH FLASH FLASH FLASH FLASH

CPE

Operation

SW Download

Operation

X X X X

ON FLASH FLASH ON X A software download and while updating the FLASH memory

OFF

ON

FLASH

Wait registration with all DS and all US – Lights Flash
sequentially from the left to right
Minimum duration 3 seconds

No Ethernet Link
Ethernet Link
TX/RX Ethernet Traffic

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