DCM476 - Digital Cable Modem
Contents
1. Can I watch TV and surf the Internet at the same time A Absolutely Q Can I run more than one computer on the modem A Yes single cable modem can support up to 32 computers using Ethernet connectivity What do you mean by Broadband A Simply put it means you ll be getting information through a bigger pipe with more bandwidth than a standard phone line can offer A wider broader band means more information more quickly What is DOCSIS and what does it mean Data Over Cable Service Interface Specifications is the industry standard that most cable companies are adopting as they upgrade their systems Should you ever decide to move the DOCSIS cable modem will work with all upgraded cable systems that is DOCSIS compliant Chapter 2 Additional Information General Troubleshooting You can correct most problems you have with your product by consulting the troubleshooting list that follows I can t access the internet Check all of the connections to your modem e Your Ethernet card may not be working Check each product s documentation for more information e The Network Properties of your operating system may not be installed correctly or the settings may be incorrect Check with your ISP or cable company Two lights are flashing in sequence DS amp US while 2 others are on Power amp Online e This means the modem is automatically updating its system software Please wa2. DCM476 Digital Cable Modem User manual THOMSON Important Information CAUTION To ensure reliable operation and to prevent overheating provide adequate ventilation for this modem and keep it away CAUTION from heat sources Do not locate near heat registers or other heat producing equipment Provide for free air flow around the cable modem and its power supply CE 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 Disconnect power before servicing 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 He
3. will be connected to the jack which should be labeled either IN CABLE IN CATV CATV IN etc B Connected to a wall mounted cable outlet C Coming out from under a baseboard heater or other location See Figure 1 for the wiring example al TV converter TV converter Cable drop une Notes For optimum performance be sure to connect your cable modem to the first point the cable enters your home The splitter must be rated for at least 1GHz New cable wire B Splitters Fig 1 Basic Home Wiring Chapter 1 Connections and Setup Ethernet Connection to One Computer Make the connections to the modem in the following sequence 1 Connect one end of the coaxial cable to the cable connection in the wall and the other end to the connector on the modem labeled 2 Insert the plug from the AC power supply into the power AC jack on the cable modem and the two prong plug into the AC outlet Note Use only the power supply that accompanied this unit Using other adapters may damage the unit 3 Connect one end of the Ethernet cable straight wired see below to the Ethernet port on the back of your computer and the other end to the ETHERNET port on the cable modem s back panel Make sure that the Ethernet cable is straight wired not null or crossover wired However you will need a crossover type cable if you are connecting the modem to a hub or a hub within a port switch that p
4. AC address THOMSON Chapter 1 Connections and Setup CABLE BOOER 0 uc 6 i Record your information here MODEL XXXXXX WW SERIAL PNMMU TWWDPLO Model MEHR IU MAC 001095 XXXXXX Serial Number Number MAC Address Please verify the following with the cable company e The cable service to your home supports DOCSIS Euro DOCSIS compliant two way modem access e Your Internet account has been set up e You have a cable outlet near your PC and it is ready for cable modem service Note It is important to supply power to the modem at all times Keeping your modem plugged in will keep it connected to the Internet This means that it will always be ready when you are Important Information Your cable company should always be consulted before installing a new cable outlet Do not attempt any rewiring without contacting your cable company first Chapter 1 Connections and Setup Connecting the Cable Modem Connecting the Cable Modem to a Single Computer This section of the manual explains how to connect your cable modem to the Ethernet port on your computer and install the necessary software Please refer to figure 1 to help you connect your cable modem for the best possible connection Attaching the Cable TV wire to the Cable Modem 1 Locate the Cable TV wire You may find it one of three ways Connected directly to a Cable TV converter box or VCR The line
5. ASH memory Reset Button behavior a Push and hold the button between 0 and 5 seconds Reboot the device b Between 6 and 10 seconds Display the channel bonding status for DS and US Note This is the same as the above Channel Bonding display after the registration c After 11 seconds Perform the factory reset This operation should only be performed upon your Cable Operator s request Chapter 1 Connections and Setup Rear Panel DCM476 ooooooooooQo e GIGA ETHERNET Ethernet 10 100 1000BaseT RJ 45 connector e RESET Reset CM e CABLE F Connector e 12VDC AC power socket Chapter 1 Connections and Setup Wall Mounting The number of the screw 2 pcs Direction for wall mounting Tuner downward or leftward or rightward Dimension for the screw diameter 3 5 mm length 10 mm There are 2 slots on the underside of the CABLE MODEM that can be used for wall mounting FL RK 600 do this 1 For THE CABLE MODEM ensure that the wall you use is smooth flat dry and sturdy and use the 2 screws holes 2 The unit can be to use solid concrete wall and or hard wood wall OU AN Chapter 1 Connections and Setup Relationship Among the Devices This illustration shows a cable company that offe
6. TION scccsssssssscsssscssressescessceesssecsessessnsesecsessesssesceesessnesesecsssaseeseseenessesassesessssesesssesesasees 15 GLOSSARY 16 Chapter 1 Connections and Setup Chapter 1 Connections and Setup Introduction Cable Modem Features e CableLabs DOCSIS 1 0 1 1 2 0 3 0 e Support Multiple Provisioning Mode e Standard RJ 45 connector for 10 100 1000BaseT Ethernet with auto negotiation and functions Support maximum Ethernet cable length up to 100m Category 5 e Support 8 downstream and 4 upstream bonded channels e Giga tuner design e Maximum data rate upstream up to 131Mbps Theoretical and downstream up to 340Mbps Theoretical e Transparent bridging for IP traffic e RSA and 56 bit DES data encryption security e SNMP network management support e Remote operating firmware downloading e 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 inter
7. al Information FCC Declaration of Conformity and Industry Canada Information This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Trade Name Model DCM476 Equipment Classification Computing Device Accessory Responsible Party Thomson Inc 101 W 1039 St INH700 Indianapolis IN 46290 USA This equipment 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 harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions 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 and correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect this equipment into an outlet on a circuit di
8. entially H FLASH FLASH FLASH FLASH from the right to left Minimum duration 3 seconds From 1 to 4 DS from 1 to 4 LEDs are ON X X X X OFF From 5 to 8 DS from 1 to 4 LEDs are flashing Channel Duration 3 seconds Bonding Operation From 1 to 2 US from 2 to 3 LEDS are ON FI X X O OFF From 3 to 4 US from 2 to 3 LEDS are flashing Duration 3 seconds FLAS Wait registration with all DS and all US Lights Flash sequentially H FLASH FLASH FLASH FLASH from the left to right Minimum duration 3 seconds ON ON ON ON x No US DS Channel Bonding and Registered with Pre D30 CMTS CM Green LEDs Registration Flavors i i i ON ON ON ON x eee Channel Bonding and Registered with D30 mode BLUE Chapter 1 Connections and Setup ON ON ON ON X 05 Channel Bonding BLUE LEDs ON ON ON ON X US Channel Bonding BLUE LEDs Installation 3 0 R FLASH ON ON X DS Partial service US Channel bonding Installation D3 0 ON ON FLASH ON X US Partial service DS channel bonding Installation D3 0 DS amp US Partial service ON FLASH FLASH ON X ON ON ON ON X US DS Channel Bonding but Registered with D30 mode OFF No Ethernet Link A X X X X ON ON Ethernet Link if connect to Giga port will be lit blue FLASH FLASH TX RX Ethernet Traffic Note the color of this LED will be Blue if it s linked to Gigabit E ON FLASH FLASH ON X Asoftware download and while updating the FL
9. esscusscusscesessenssosecsones 7 CONTACT YOUR LOCAL CABLE eee sees sen sneen enets 7 CONNECTING THE CABLE MODEM 9 CONNECTING THE CABLE MODEM SINGLE COMPUTER tans tonta snes sen seen sner tens sneen 9 ATTACHING THE CABLE WIRE TO THE CABLE MODEM s ssssssssssssesssesssesssssesssesssssesesesssescesesssesscesucesscesessoessousecesusseussoesecsonss 9 ETHERNET CONNECTION TO ONE COMPUTER csssssseesssessorecasoessoeseorscasscacoeseaeseaesescaeseaeseseaeseaeseaeseseseseasseassesessseessensecssessecesentees 10 CONNECTING MORE THAN TWO COMPUTERS TO THE CABLE MODEM sssssosssoseessosseesscssecasoesearseasecseoeseaeseseseeasseaeseeseneeess 11 ACTIVATING THE CABLE MODEM sen 12 CHAPTER 2 eren eene eene nennen nenne 13 FREQUENTLY ASKED QUESTIONS sssseneeeseeseesseesseesseessenseesseensensseessenseess sense sees sees esse sees essens sense sees een sense 13 GENERAL TROUBLESHOOTING setas seen seen asses sense sensa eene sun 14 FCC DECLARATION OF CONFORMITY AND INDUSTRY CANADA INFORMATION eene 15 SERVICE INFORMA
10. fferent from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help FCC regulations state that unauthorized changes or modifications to this equipment may void the user s authority to operate it This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Service Information If you purchased or leased your cable modem directly from your cable company then warranty service for the cable modem may be provided through your cable provider or its authorized representative For information on 1 Order Service 2 Obtaining Customer Support or 3 Additional Service Information please contact your cable company If you purchased your cable modem from a retailer see the enclosed warranty card Chapter 2 Additional Information Glossary 10 100 1000BaseT Unshielded twisted pair cable with RJ 45 connector used with Ethernet LAN Local Area Network 10 100 1000 indicates auto sensing speed 10 Mbps or 100 Mbps or 1Gbps Base refers to baseband technology and T means twisted pair cable DHCP Dynamic Host Control Protocol A protocol which allows a server to dynamically assign IP addresses to workstations on the fly DOCSIS Data Over Cable Service Interface Specifications A project with the objective of developing a set of necessary specifications and operations support interface speci
11. fications for cable modems and associated equipment Ethernet card A plug in circuit board installed in an expansion slot of a personal computer The Ethernet card sometimes called a Network Interface Card or NIC takes parallel data from the computer converts it to serial data puts it into a packet format and sends it over the 10BaseT or 100BaseT or 1000BaseT LAN cable F Connector A type of coaxial connector labeled CABLE IN on the rear of the cable modem that connects the modem to the cable system HTTP HyperText Transfer Protocol Invisible to the user HTTP is used by servers and clients to communicate and display information on a client browser Hub A device used to connect multiple computers to the cable modem IP Address A unique 32 bit address assigned to every device in a network An IP Internet Protocol address has two parts a network address and a host address This modem receives a new IP address from your cable operator via DHCP each time it goes through Initialization Mode MAC Address The permanent identity for a device programmed into the Media Access Control layer in the network architecture during the modem s manufacture Network Driver A file that is loaded on the computer to allow the computer to recognize the Ethernet card TCP IP Transmission Control Protocol Internet Protocol A networking protocol that provides communication across interconnected networks between com
12. hing lights on the front of the modem Note All indicators flash once prior to the initialization sequence If only the LEDs Power and Online are lit and the LEDs DS and US are flashing this indicates the cable modem is automatically updating its system software Please wait for the LEDs to stop flashing You cannot use your modem during this time Do not remove the power supply switch off of off switch or reset the cable modem during this process OY AV Chapter 2 Additional Information Chapter 2 Additional Information Frequently Asked Questions Q What if I don t subscribe to cable TV A If cable TV is available in your area data service may be made available with or without cable TV service Contact your local cable company for complete information on cable services including high speed internet access Q How do I get the system installed Professional installation from your cable provider is strongly recommended They will ensure proper cable connection to the modem and your computer However your retailer may have offered a self installation kit including the necessary software to communicate with your cable ISP Once my cable modem is connected how do I get access to the Internet A Your local cable company provides your internet service offering a wide range of services including email chat and news and information services and a connection to the World Wide Web
13. it for the lights to stop flashing The updating process typically lasts less than one minute e Do not remove the power supply or reset the modem during this process I can t get the modem to establish an Ethernet connection e Even new computers don t always have Ethernet capabilities be sure to verify that your computer has a properly installed Ethernet card and the driver software to support it e Check to see that you are using the right type of Ethernet cable The modem won t register a cable connection Online light not on continuously e Ifthe modem is in Initialization Mode the ONLINE lights will be flashing Call your Cable Company if it has not completed this 5 step process within 30 minutes and note which step it is getting stuck on The modem should work with a standard RG 6 coaxial cable but if you re using a cable other than the one your Cable Company recommends or if the terminal connections are loose it may not work Check with your Cable Company to determine whether you re using the correct cable e If you subscribe to video service over cable the cable signal may not be reaching the modem Confirm that good quality cable television pictures are available to the coaxial connector you are using by connecting a television to it If your cable outlet is dead call your Cable Company e Verify that the Cable Modem service is DOCSIS compliant by calling your cable provider THOMSON Chapter 2 Addition
14. l No Serial No Purchase Date Dealer Address Phone Table of Contents CHAPTER 1 CONNECTIONS AND essensen sen sense n sense 1 INTRODUCTION cccccsssssssssssscssssesscecsssscsnssesseesescesseessesceesseeseessescsssaeeesesecessessesesecsssaceesseeeseasesssssesesseessesseseees 1 CABLE MODEM FEATURES s scssssssssssssssssssnsscsscsssssssnsesssesssesescsesssesscesesesesscesscusscesesscususususssussoeseassuasouseoussaescaeou 1 WHAT S ON THE CD ROM ccsssssssssssssessscsssssecssessscsssssecssenssessessesssssseesssssesssesesssesssesesssessesssesscessssesscusscesscesesseessousesesesseussousessonss 1 ACCESSING THE DIAGNOSTICS DISPLAY THROUGH THE CD ROM cssssssssssssssssssssssssssesssesscesesssesscescesecesnssoessonsecesuasonssossecsoess 1 COMPUTER 2 CABLE UTM 3 FRONT PANEL 3 REAR PANEL risene eee Eao ERE EEN EEN ERNE 5 WALL MOUNTING seeeeseseeseessesesseseseseseesesesesee sene sesen essensen snes enes nes oussusesseussousecsonss 6 WHAT THE MODEM DOES sssssssssssssosecaseesssescarscasoescoescasscsecescoeseaessseaesentsesesssessseatscsecssesssensucscesescsseecesssesscesesscesseusecusscsonssousecsonss 7 WHAT THE MODEM NEEDS TO DO ITS JOB sscsssssssssesssessssssessecssssssessesssesesesssssesscesssssesesesssescesesssesscesscussces
15. lp us protect the environment in which we live Important Information 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 VVH2 F having conductors with a cross sectional area not less than 75mm Operating Information Operating Temperature 0 to 40 C 32 to 104 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 Mode
16. nal diagnostics and other valuable information CD ROM Contents e Electronic file of the instruction book in additional languages e 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 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 Pentium preferred PowerPC or higher System RAM 16MB 32MB preferred 24MB 32MB preferred Operating System Windows 2000 XP VISTA Mac OS 7 6 1 or higher Available Disk Space Sound Card Preferred N A 125MB 50MB Video or better SVGA preferred or better SVGA built in preferred CD ROM Drive Required Required Ethernet 10BaseT 100BaseT 1000BaseT 10BaseT 100BaseT 1000BaseT An Ethernet card makes it possible for your computer to pass data to and from the interne
17. puters with diverse hardware architectures and various operating systems THOMSON Chapter 2 Additional Information Applicable power supplies list a Global Yeou Diann Electric Industrial Co Ltd AMS6 1201000SV Europe Plug AMS6 1201000SB United Kingdom Plug or Singapore Plug AMS6 1201000SS Australian Plug or Korea Plug AMS6 1201000SC China Plug AMS6 1201000SR Russia Plug AMS6 1201000SI India Plug AMS6 1201000SA Argentina Plug AMS6 1201000SX Brazil Plug AMS6 1201000SH Thailand Plug AMS6 1201000SU US Plug b Leader Electronics Inc MV12 Y120100 A2 Europe Plug MV12 Y120100 B2 United Kingdom Plug MV12 Y120100 C5 China Plug MT12 Y120100 A1 US Plug Please do not send any products to the Indianapolis address listed in this manual or on the carton This will only add delays in service for your product Thomson Inc 101 W 103 St INH700 Indianapolis IN 46290 USA THOMSON
18. rovides the same function Cables Cable Splitter ooo ooooooo oo oo ooooo 000000000000 oooooooooooo ooooooooooco Chapter 1 Connections and Setup Connecting More Than Two Computers to the Cable Modem If you need to connect two or more computers you ll need the following additional equipment if supported by your cable operator e Crossover wired or null category 5 Ethernet cable for the cable modem to be connected to the hub e 10 100 1000BaseT Hub or Switch e Straight through or standard category 5 Ethernet cable one for each computer to be connected If you have a hub with an uplink port a straight through cable can be used in combination with that port in lieu of the crossover cable An uplink port has a small switch on it to change the polarity of the connection It can accept either a crossover or a straight cable depending on the setting Fig 3 Note You may need to check with your service provider in order to connect multiple computers Chapter 1 Connections and Setup Activating the Cable Modem After you install the cable modem and turn it on for the first time and each time the modem is reconnected to the power it goes through several steps before it can be used Each of these steps is represented by a different pattern of flas
19. rs DOCSIS compliant Internet services Computer Cable Modem Cable Company Internet Internet Service Provider What the Modem Does The Thomson digital cable modem serves as a two way high speed bridge between your personal computer and a cable Internet Service Provider ISP It converts information that originates from the Internet or your computer into electronic messages that can be transported over the same wires your cable company uses to transport video signals What the Modem Needs to Do Its Job e The Right Cable Company Make sure your local cable company provides data services that use cable industry standard DOCSIS technology compatible with your cable modem e The Internet Service Provider ISP Your cable company provides you access to an Internet Service Provider ISP The ISP is your gateway to the Internet It provides you with a pipeline to access Internet content on the World Wide Web WWW Check with your cable company to make sure you have everything you need to begin they ll know if you need to install special software or re configure your computer to make your cable internet service work for you Contact Your Local Cable Company You will need to contact your cable company to establish an internet account before you can use your modem You should have the following information which you will find on the sticker on the modem ready e The serial number e The model number of the modem e The Media Access Control M
20. t 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 Cable Modem Overview Front Panel The following illustration shows the front p anel f the model LLD Zu u I IE uu m 2 The LEDs the front panel described in the table below from left to right DCM476 Power DS US es IN LINK Description ON ON ON ON ON Power on 0 25 sec Boot up Operation X FLASH FLASH FLASH Following system initialization complete to before DS scanning ON FLASH OFI X During DS scanning and acquiring SYNC ON ON FLASH OI X From SYNC completed receiving UCD to ranging completed During DHCP configuration file download registration and DOCAS Baseline Privacy initialization ON ON ON X DHCP status LED SHOULD be ON sec and OFF 1 sec P TFTP status LED SHOULD be ON 0 25 sec and OFF 0 25 sec ON ON ON ON X Operational NACO ON ON FLASH FLASH X JOperational NACO OFF FLAS Wait registration with all DS and all US Lights Flash sequ
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