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http://www.3com.com/

U.S. Robotics

®

 Cable 

Modem TMX
Getting Started Guide

Part No. 10031161
Published February 2000

Summary of Contents for 3CR292B-TR56

Page 1: ...http www 3com com U S Robotics Cable Modem TMX Getting Started Guide Part No 10031161 Published February 2000 ...

Page 2: ... named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at privat...

Page 3: ... Wall Mount Installation 11 Desktop Installation 13 Stacking Installation with OfficeConnect Products 14 Connecting the Cable Modem to Your Computer 15 3 CABLE MODEM CONFIGURATION Configuring Non 3Com U S Robotics Modems for Use with the TMX 22 Using the Cable Modem TMX 24 Summary of Configuration Software Screens24 Dial HangUp 25 Rescan Channels 25 Tune Frequency 26 DHCP Configuration 26 Enroll 2...

Page 4: ... The Cable Status LED never stops blinking 38 Support Resources 38 If You Are Still Having Problems 38 If You Need to Return the Modem to Us 39 World Wide Web 39 90 Day Free Installation Support 39 Technical Support Hotline 39 5 REGULATORY INFORMATION AND LIMITED WARRANTY Manufacturer s Declaration of Conformity 41 Caution to the User 41 Performance Specifications 41 Export Notices 41 License Agre...

Page 5: ...Governing Law 47 6 WALL MOUNTING TEMPLATE ...

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Page 7: ...f the 3Com U S Robotics Cable Modem CMX See the chapter in this guide about two way access for more information If you purchased the TMX Dialup Kit the external analog modem required for dialing into your provider is included If you purchased the TMX modem alone you will need a compatible external serial analog modem This product will not work with an internal or USB only analog modem The diagrams...

Page 8: ...ur computer s resources The capacity of the Internet service you order from your provider Changing network traffic levels depending on when you go online Contacting Your Broadband Service Provider BSP In order to use your cable modem you need to establish an Internet access account with your local BSP Before contacting your BSP to establish an account have the following information handy The modem...

Page 9: ... Wide Web and receive other Internet services This account must be established before you can use your cable modem You have a cable line near your PC and it has been prepared for cable modem service If you do not have a cable line in your home that supports cable modem access or if your current cable connection is not conveniently located near your computer your cable company can install one If yo...

Page 10: ...ur cable company You Will Need These Items Included Cable modem Cable modem power supply Analog modem power supply and DB 25 to DB 9 cable TMX Dialup Kit only RJ 45 network cable Rubber feet and stacking clips kit This Getting Started Guide Not Included A PC running Windows 95 operating system or later or a Macintosh computer running the System 7 5 operating system or later with TCP IP protocol in...

Page 11: ... before you install your cable modem Configure TCP IP as described in the following set of instructions 1 Right click the Network Neighborhood icon on your desktop and then click Properties 2 A list of installed network components appears Look for an entry named TCP IP This entry may be followed by an arrow and a description of the NIC hardware device or USB network interface installed in your com...

Page 12: ...ription of your NIC or dialup adapter 10 Click the Advanced tab and then make sure the box next to Set this protocol to be the default protocol is checked If it is not click the box to put a check in it If this option is grayed out then you do not have TCP IP installed properly 11 Click OK and then click OK again 12 Click the Windows Start button and then click Run 13 When the Run screen appears t...

Page 13: ...mbers on your screen SHOULD be different than those shown in the following example Configuring the TCP IP Protocol on a Macintosh PC You need to make sure that the TCP IP communications protocol is installed on your system before you install your cable modem 1 Click the Apple icon in the upper left corner of the Finder Scroll down to Control Panels and click TCP IP ...

Page 14: ...k User Mode 3 Click the Advanced button then click OK 4 Click the Up Down selector arrows to the right of Connect Via and click Using DHCP Server 5 Click the Options button Then click the Active button NOTE In some cases the Load only when needed button will not appear If it is visible click the box A check mark should appear in the box ...

Page 15: ...nd scroll down to click Close If there is no Hardware Address you must shut down and power off your computer With the power off simultaneously depress and hold down the Command Apple Option P and R keys on your keyboard Keeping those keys depressed power on the Macintosh computer The machine will start and you will hear the Apple chime Keep these keys depressed for up to 3 chimes then release the ...

Page 16: ...10 CHAPTER 1 BEFORE YOU BEGIN Hardware Address please contact your local Apple authorized dealer or Apple support ...

Page 17: ...dem hardware you need to determine how you want to incorporate the modem into your work environment There are three installation options Wall mount installation this page Desktop installation page 13 Stacking installation with OfficeConnect products page 14 Wall Mount Installation Your cable modem is capable of being wall mounted if you choose to do so The bottom panel of the cable modem has two r...

Page 18: ...parallel to and at least 20 inches 50 cm from the floor Insert pushpins through the template cross hairs into the wall to mark the locations for the screws 3 Secure the mounting screws into the wall Do not drive the screws flush to the wall The screw head should be at least 6 mm away from the wall so it can lock into the slots on the modem s case 4 Fit the slots in the brackets on the modem s unde...

Page 19: ...use the four self adhesive rubber feet included in your modem s package to prevent your modem from sliding around Stick the feet to the marked areas at each corner of the underside of your modem Turn to Connecting the Cable Modem to Your Computer page 15 20 50 cm INSTRUCTIONS FORWALL MOUNTINGTHE CABLE MODEM Wall mounting Template See other side for basic instructions For complete instructions see ...

Page 20: ...t in the positions on the side of the unit as shown in step 1 of the illustration on the next page 2 Position a clip over one of these holes and push it in until it clicks into place as shown in step 2 of the illustration on the next page Repeat this for the other clip position on the same side 3 Keeping the front of the units aligned position the top most OfficeConnect device and rest the bottom ...

Page 21: ... when you plug them back in later CAUTION To avoid risk of electric shock make sure your computer and all peripheral devices are turned off and unplugged from electrical outlets NOTE Refer to the diagram on the following page while following these steps 1 Turn off your computer and unplug it from the electrical outlet 2 Using the following illustrations as a guide make the following connections ...

Page 22: ...e cable modem s power supply into a wall socket or surge protector and into the cable modem s power jack labeled with a graphic that looks like this Plug one end of the RJ 45 network cable into the cable modem s RJ 45 jack and the other end into the existing network interface card installed in your computer Plug the included RS 232 connector cable to the serial port on your cable modem and to the ...

Page 23: ...our setup should resemble the following diagram 3 Turn the analog modem on The power switch is located on the top front of the modem s case 4 Turn your computer on You are now ready to configure your Cable Modem TMX using our Web based configuration software See the next chapter for details to serial jack on the cable modem to an electrical outlet to a telephone to an analog phone jack 13 2 12 3 1...

Page 24: ...18 CHAPTER 2 HARDWARE INSTALLATION ...

Page 25: ...rs Netscape Navigator and Microsoft s Internet Explorer on the Cable ConnectionsTM CD ROM included with your kit 1 Open your Web browser and click on your home or start up page which you should have set as the following URL in the Before You Begin section of this manual http 149 112 50 65 2 The Configuration Screens menu is the first that appears Click Enroll 3 On the Enroll screen highlight your ...

Page 26: ...20 CHAPTER 3 CABLE MODEM CONFIGURATION ...

Page 27: ...l Up Parameters screen Click Dialing Information 5 Fill in the Dialing Information fields with the information that should have been already provided to you by your BSP When you are finished entering the information click Submit ...

Page 28: ...rmation about configuring non 3Com U S Robotics modems Configuring Non 3Com U S Robotics Modems for Use with the TMX The TMX cable modem is designed to work with a variety of external V 34 modems If you re using an external modem other then a 3Com U S Robotics external modem please verify that your modem meets these minimum requirements Modem must be AT command set addressable Modem must support t...

Page 29: ...the parameters are often manufacturer specific list below is the optimal configuration The characters in brackets are the equivalent 3Com U S Robotics modem commands Please refer to your analog modem s user manual for the exactAT commands It is not necessary to enter AT into the parameter field only the command parameter Return result codes in words V Serial port rate higher than connect rate B1 T...

Page 30: ...t your browser at any site you wish or launch your Internet software As soon as you initiate Web based activity the Cable Modem should dial out to your BSP s server and establish your connection This should happen every time you start your computer now that you have configured your TMX Some Internet applications may produce a time out error while waiting for your connection to be established This ...

Page 31: ...oftware Screens 25 Dial HangUp If you would like to hang up the current connection you can do so by accessing this menu and clicking HangUp Phone Once you are ready to establish a new connection click Dial Phone Rescan Channels ...

Page 32: ...w button This is useful if for some reason the cable modem is not currently locked on to an active signal Tune Frequency This screen allows you to tune the cable modem to an exact frequency Type the frequency you want to tune to in the Frequency Hz box and then click Tune Now to set the modem to that frequency DHCP Configuration ...

Page 33: ...ows you to select options for detecting selecting source IP addresses for out bound DHCP packets Choose your method of detection and then click Submit Enroll Access this screen to enroll into a new cable modem access account with a Broadband Service Provider BSP ...

Page 34: ...28 CHAPTER 3 CABLE MODEM CONFIGURATION Dial Up Parameters This screen provides links to screens which allow you to modify the dial up parameters for your cable modem Here s an overview of these screens ...

Page 35: ...ialing Parameters This screen allows you to enter primary and backup phone numbers into which your analog modem can dial to access your Broadband Service Provider s BSP s cable modem service Your BSP should provide you with numbers for these fields ...

Page 36: ...30 CHAPTER 3 CABLE MODEM CONFIGURATION Access Parameters This screen allows you to modify your account s login name password and radius realm information ...

Page 37: ...iguration Software Screens 31 DHCP PPP Parameters Here you can view your curent provider information select authentication and server IP address and set PPP authentication to PAP only CHAP only or a negotiated setting ...

Page 38: ...32 CHAPTER 3 CABLE MODEM CONFIGURATION Cable Modem Configuration This screen displays information concerning your cable modem s configuration and allows you to edit your user initial ...

Page 39: ...Summary of Configuration Software Screens 33 Session Status This option displays information concerning your cable modem s current connection Message Log ...

Page 40: ...r window that monitors generated messages in real time The Message Log will continue to show generated messages until you click Stop Log Capture This option is helpful for analyzing a specific period of time during a given connection when troubleshooting problems Interpreting Your Cable Modem s LED Lights Here s a quick overview of the LED lights on the front panel of your modem and what they can ...

Page 41: ...port Upgrading to CMX Functionality If your BSP decides to upgrade their service to two way functionality they may automatically upgrade your TMX to CMX functionality You will be alerted if this happens In this even you will want to download our 3Com U S Robotics Cable Modem CMX documentation at http consumer 3com com cable LED STATE REPEATING DESCRIPTION SHORT OFF LONG ORANGE YES Startup power on...

Page 42: ...36 CHAPTER 3 CABLE MODEM CONFIGURATION ...

Page 43: ...ompany s cable modem service Make sure the telephone cord is plugged into the analog modem you have connected to the TMX My computer went into power save mode When it came out of power save mode my screen was frozen If the upstream analog modem connection is active when a computer goes into power save mode the computer may freeze when coming out of power save mode Either hang up the analog modem b...

Page 44: ...Release and then click Renew Exit out of the IP Configuration window and attempt to access the 149 112 50 65 URL again IMAC AND LINUX USERS Restart your computer or wait for your current DHCP lease to expire The Cable Status LED never stops blinking The signal from your cable company s equipment may be too weak or the cable line may not be properly attached to the modem If the cable line is proper...

Page 45: ...acking the progress of the shipment Ship to the following address 3Com USO ________ Dock 15 1800 W Central Ave Mount Prospect IL 60056 World Wide Web To visit our online support home page log on to http consumer 3com com cable You can send a message to technical support by clicking Contact Us in the Site Tools section of this Web site 90 Day Free Installation Support 3Com offers free installation ...

Page 46: ...40 CHAPTER 4 TROUBLESHOOTING AND SUPPORT RESOURCES ...

Page 47: ...red operations Caution to the User The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Performance Specifications This equipment has a bit error rate BER less than 10 8 when the signal to noise ratio SNR is 23 5 dB or greater when operating in 64 QAM mode and when the SNR is ...

Page 48: ...tation without obtaining written authorization from the U S Department of Commerce Industry Canada IC This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of Industry Canada Cet appareil numérique respecte les limites de bruits radioélectriques applicable...

Page 49: ...ceiver so that they are on separate branch circuits If necessary consult your dealer or an experienced radio television technician for additional suggestions You may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems Stock No 004 000 0345 4 U S Government Printing Office Washington DC 20402 In accordance w...

Page 50: ...t failure during the warranty period No updates are provided 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to refund the purchase price paid by Customer for any defective software product or to replace any defective media with software which substantially conforms to applicable 3Com published specifications Customer assumes responsibility for the selectio...

Page 51: ...ducts identified at 3Com s Web site http www 3com com products yr2000 html as not meeting this standard If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1 2000 and Customer notifies 3Com before the later of April 1 2000 or ninety 90 days after purchase of the product from 3Com or its authorized reseller...

Page 52: ...ION TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES TERMS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION AND NON INFRINGEMENT ALL...

Page 53: ...MER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE Disclaimer Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the limitation of liability for personal injury so the above limitations...

Page 54: ...48 CHAPTER 5 REGULATORY INFORMATION AND LIMITED WARRANTY ...

Page 55: ...6 W ALL MOUNTING T EMPLATE 3Com U S Robotics Cable Modem CMX Wall mounting Template For complete instructions see the Getting Started Guide ...

Page 56: ...50 CHAPTER 6 WALL MOUNTING TEMPLATE ...

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