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problem before working through the WAN connection problems.

Power Problems

Symptoms

Possible Cause

Corrective Action

The LAN LED is Off. The LAN cable is not connected

Check that one end of the LAN cable
is fully plugged into the LAN port on
your modem and the other end is fully
plugged into the local LAN
connection.

The MDI/X switch on the back of
the modem is set to connect to a
single PC but the cable is
connected to a hub (or vice
versa).

Press the switch in to connect to a hub
and out to connect to a PC.

LAN Connection Problems

Symptoms

Possible Cause

Corrective Action

The LAN LED is Off. The LAN cable is not connected

Check that one end of the LAN cable
is fully plugged into the LAN port on
your modem and the other end is fully
plugged into the local LAN
connection.

The MDI/X switch on the back of
the modem is set to connect to a
single PC but the cable is
connected to a hub (or vice
versa).

Press the switch in to connect to a hub
and out to connect to a PC.

The LAN cable has been
damaged.

Replace the cable with another LAN
cable.

USB Connection Problems

Symptoms

Possible Cause

Corrective Action

My Windows-based PC did not
automatically detect the modem
when I plugged in the USB cable
for the first time.

The modem is not
powered on.

Plug in the modem and allow it
enough time to complete the boot
process. (Status LED goes off.)

The USB LED on the modem is
Off.

There's a USB
connection problem.

Check that one end of the USB
cable is fully plugged into the
USB port on the modem and the
other end is fully plugged into
the PC's USB port.

The USB cable has been
damaged.

Replace the USB cable.

Summary of Contents for HomeConnect 3CP4130

Page 1: ...onfigure your PCs as directed by your Internet Service Provider This typically means that you will configure the TCP IP protocol parameters on each local PC according to specific instructions from your service provider To find out more about configuring additional PCs click here The modem installation procedure you have completed installed a program group on your hard drive This program group prov...

Page 2: ...To access the modem group on your desktop click Start Programs Dual Link Modem ...

Page 3: ... Your browser should automatically connect to the modem and display the Dual Link Manager screen This screen contains a summary of your modem s configuration and an indication of whether the ADSL line is operational Besides the summary the Dual Link Manager provides two selections System and Services System settings allow you to monitor the modem and update its software Service settings allow you ...

Page 4: ...perations General Information Troubleshooting FAQs Advanced Procedures From your Start button proceed as follows Start Programs 3Com Dual Link Modem Advanced and select one of the options given Install Instant Update Serial Download Uninstall Modem Utilities ...

Page 5: ...ided in these pages covers points of interest and information that you don t need to know to operate your modem under normal circumstances but that might be of use or interest to you Specifications Safety Information Technical Support Glossary of Terms Manufacturer s Declaration of Conformity 3Com Corporation Limited Warranty Copyright Information ...

Page 6: ...ring boot the modem is checking for the download of new software This lasts for about 4 seconds Flashing Green slowly While the modem is initializing This lasts for 30 to 40 seconds after booting the modem Flashing Green rapidly The reset button is being held in and the modem has just been powered on This lets you know that the modem has recognized the reset request It lasts for about 4 seconds Or...

Page 7: ...dem and the DSL service provider s equipment Flashing Green The link is up and there is data on the ADSL port Troubleshooting Tools The 3Com HomeConnect ADSL Modem Dual Link has a number of features which can be used to help troubleshoot problems The Dual Link Manager has several important diagnostic tools On the Dual Link Manager Summary Page you can see your ADSL line status whether the line is ...

Page 8: ...n your modem and the other end is fully plugged into the local LAN connection The MDI X switch on the back of the modem is set to connect to a single PC but the cable is connected to a hub or vice versa Press the switch in to connect to a hub and out to connect to a PC The LAN cable has been damaged Replace the cable with another LAN cable USB Connection Problems Symptoms Possible Cause Corrective...

Page 9: ...ver is not running De install then re install the 3Com USB driver See the driver installation procedure in Your Installation Guide Control Center Connection Problems Symptoms Possible Cause Corrective Actions From the Dual Link Control Center when I attempt to connect to my service I get a connection timeout The modem is not powered on Plug in the modem and allow it sufficient time about 1 minute ...

Page 10: ...aged Replace the ADSL cable The ADSL cable wiring inner pair versus outer pair is not set correctly Make sure it is set as specified by your service provider or use the Auto Detect setting to allow the modem to select the correct pair There is a problem at the other end of the ADSL connection that causes the ADSL negotiation to fail Contact your service provider My ADSL link is not stable goes up ...

Page 11: ...Web browsing is slower than expected ADSL level connection problem Use Dual Link Manager to reset the ADSL line then reconnect to your service Contact your service provider ...

Page 12: ...Bridging Mode Getting Started Using your modem Advanced Operations General Information Troubleshooting FAQs The Dual Link Manager Summary Page The Systems Page ...

Page 13: ...The Services Page ...

Page 14: ... the DSL Line How do I uninstall the software on my PC How can I delete the configuration On the back of the Dual Link modem there is a small button that you can use to reset the modem Unplug the modem hold the reset button in for 5 seconds while plugging the modem back in to its power source How can I re install the modem To reinstall the modem first the software should be removed from any PCs yo...

Page 15: ... Operating System for a demonstration of what you will see Windows 95 Windows 98 Windows NT Each PC on which you perform the above installation will have immediate transparent access to the WAN connection That is the connection to the service provider is always on and you do not have to connect and disconnect each time you access the remote network For example if your service gives you Internet ac...

Page 16: ...s Go to the Neighborhood Network icon on the desktop Right click on the icon to bring up the quick menu and click on the properties command In the Network menu click on the configuration tab Then look for and highlight the TCP IP adapter either your Ethernet adapter or USB adapter as appropriate Windows 95 Operating Systems were enabled for USB in later versions ...

Page 17: ...dapter is installed then this window will not contain the required icon You must have either an Ethernet or USB driver adapter on each PC Once you have highlighted the proper adapter click on the Properties button ...

Page 18: ...Go to the IP address tab Set up the The IP address information as specified by the service provider Once you have added the IP Address and Subnet Mask information click on the Gateway tab ...

Page 19: ...his PC has immediate transparent access to the WAN connection That is the connection to the service provider is always on and you do not have to connect and disconnect each time you access the remote network For example if your service gives you Internet access you can browse the web at any time ...

Page 20: ...ndows 98 Operating Systems Go to the Neighborhood Network icon on the desktop Right click on the icon to bring up the quick menu and click on the properties command In the Network window click on the configuration tab In the dialog window look for and highlight the TCP IP adapter either your Ethernet adapter or USB adapter as appropriate ...

Page 21: ...NOTE If no adapter is installed then this window will not contain the required icon You must have either an Ethernet or USB driver adapter on each PC Click Properties and proceed to the IP address tab ...

Page 22: ...Set up the The IP address information as specified by the service provider Once you have added the IP Address and Subnet Mask information click the Gateway tab ...

Page 23: ...Once you reboot this PC will have immediate transparent access to the WAN connection That is the connection to the service provider is always on and you do not have to connect and disconnect each time you access the remote network For example if your service gives you Internet access you can browse the web at any time ...

Page 24: ... Advanced Operations General Information Troubleshooting FAQs Configuring additonal PCs with NT Operating Systems Go to the Neighborhood Network icon on the desktop Right click on the icon to bring up the quick menu Click on the properties command ...

Page 25: ...rts only Ethernet adapter at this time NOTE If no adapter is installed then this window will not contain the required icon You must have either an Ethernet or USB driver adapter on each PC Click Properties When the next screen appears go to the IP Address tab and select Specify an IP address ...

Page 26: ...you to reboot This PC now has immediate transparent access to the WAN connection That is the connection to the service provider is always on and you do not have to connect and disconnect each time you access the remote network For example if your service gives you Internet access you can browse the web at any time ...

Page 27: ... the Dual Link Manager This screen gives you information that may help solve problems should they arise The statistics on the left side of the chart give the general status of the ADSL line The right hand side provides detailed information This information may be of use if you need to talk to your DSL provider about performance ...

Page 28: ... Information Troubleshooting FAQs This is a representation of the back of your 3Com modem Dual Link Note the Reset button has been highlighted If you need to reset the modem s configuration unplug the modem then plug it back in while holding the reset button in for 5 seconds ...

Page 29: ...Between Failures 65 000 hours Jacks The HomeConnect ADSL Modem Dual Link has one RJ 11 jack for the ADSL Modem one RJ 45 jack for the LAN interface one Type B jack for the USB interface one DB 9 jack for the console interface and one DC jack ADSL Interface one RJ 11 jack Inner Pair Pin 1 Not Connected NC Pin 2 Not used Pin 3 Ring Pin 4 Tip Pin 5 Not used Pin 6 NC Outer Pair Pin 1 NC Pin 2 Ring Pin...

Page 30: ...in 1 5V Pin 2 Data Pin 3 Data Pin 4 Ground Console Interface DB 9 Default configured as DCE Pin 1 DCD LL PC Pin 2 Transmit Data LL PC Pin 3 Receive Data LL PC Pin 4 DTR LL PC Pin 5 Ground Pin 6 DSR LL PC Pin 7 RTS LL PC Pin 8 CTS LL PC Pin 9 RI LL PC ...

Page 31: ...and in accordance with their instructions and recommendations Should any of the following conditions occur isolate the electricity supply and refer to your 3Com reseller If the case or cover is not correctly fitted If the case is damaged If the unit begins to make an odd noise smell or emit smoke If the unit shows signs of a distinct change in performance Never install telephone wires during a thu...

Page 32: ...ety standards Refer to the Conformity statement for more details Disconnect the power adapter before moving the unit Power can only be disconnected from the unit by removing the power adapter from the unit or from the socket outlet Only connect apparatus complying with the relevant interface requirements to the ports on this unit The safety status of the ports on this equipment are as follows Port...

Page 33: ... Sie die Verbindung des Netzadapters entweder von Einheit oder der Stromquelle trennen Schließen Sie nur Geräte an den Schnittstellen dieser Einheit an die den Interface Voraussetzungen entsprechen Die Sicherheitsmerkmale der Schnittstellen dieses Geräts sind Schnittstellen mit der Bezeichnung XXXX und YYYY TNV TNV Telecoms Network Voltage ist ein Schaltkreis auf dem unter normalen Betriebsbedingu...

Page 34: ...RNUNG Twisted Pair RJ45 Datenschnittstellen Dies sind abgeschirmte RJ45 Schnittstellen die nicht für Telefonsignale verwendet werden können Schließen Sie an diesen Schnittstellen nur RJ45 Datenstecker an ...

Page 35: ...e de courant Ne connectez l appareil qu en conformité avec les exigences techniques des ports de connexion de l appareil Les normes de sécurité de chaque port sont les suivantes Les ports identifiés par les étiquettes XXXX et YYYY TNV Les circuits TNV Telecoms Network Voltage tension du réseau de télécommunications sont des circuits qui en condition normale d utilisation transportent les signaux d...

Page 36: ...données RJ45 blindées Elles ne peuvent être utilisées comme prises de téléphone Elles ne doivent recevoir que les connecteurs de données RJ45 ...

Page 37: ...te en desenchufar el adaptador de la unidad o de la toma de corriente No deben conectarse a los puertos de la unidad aparatos que no cumplan los requisitos de la interfaz en uso Los puertos de la unidad son de los siguientes tipos Puertos con etiqueta XXXX o YYYY TNV TNV Telecoms Network Voltage es un circuito que en condiciones normales transmite señales de telecomunicación Puertos con etiqueta A...

Page 38: ... Le specifiche riguardanti la sicurezza delle porte sono le seguenti Porte contrassegnate dalle targhette XXXX e YYYY TNV TNV Telecoms Network Voltage è un circuito che in normali condizioni di esercizio trasmette segnali di telecomunicazione Porte contrassegnate dalle targhette AAAA e BBBB SELV SELV Safety Extra Low Voltage è un circuito secondario ideato e protetto in modo tale che in condizioni...

Page 39: ...ollowing number 847 262 3700 Online Technical Support 3Com offers product support 24 hours a day 7 days a week through World Wide Web consumer 3com com dsl You can send a message to technical support by selecting Contact Us from the Site Tools section on the Web site 3Com BBS 847 262 6000 If You Need to Return the Modem to Us Contact 3Com Customer Support If the support representative determines t...

Page 40: ...Prospect IL 60056 Customers in Canada needing to return a modem for repair or replacement should send the modem to the following address Keating Technologies 25 Royal Crest Court Suite 120 Markham ONT L3R 9X4 ...

Page 41: ...all cell size allows ATM equipment to transmit video audio and computer data over the same network without any type of data consuming the entire capacity of the line ATM differs from TCP IP where message packets take different routes from source to endpoint ATM defines connections by two main parameters Virtual Path Identifier VPI and Virtual Channel Identifier VCI VPI and VCI are defined in this ...

Page 42: ...tworking encapsulation means wrapping a data set in a protocol header This allows one network to send its data via another network s connections Ethernet Ethernet is a LAN local area network protocol that was developed by Xerox Corporation in cooperation with DEC and Intel in 1976 It is one of the most widely implemented LAN standards Its function is to move data packets from one computer to anoth...

Page 43: ...phone lines and vice versa Simply stated digital data is based on discrete on off switching 1 and 0 whereas analog data consists of infinitely variable data such as sound waves Nac file A Nac file is a file with the extension nac The file extension was coined by U S Robotics from the words Network Application Code or Network Application Card It contains information essential to network communicati...

Page 44: ...net with a standard dial up telephone line and a high speed modem In order to use PPP your service provider must support it PPPoE Point to Point Protocol over Ethernet PPPoE was developed to allow users to connect a LAN to connect to the Internet over a single link Virtual Circuit In PPP and RFC 1483 connections exist between the HomeConnect ADSL Modem Dual Link and the ISP while in PPPoE the link...

Page 45: ...onnectors are more common RJ 45 Jack Short for Registered Jack 45 an eight wire connector used commonly to connect computers onto local area networks LANs especially Ethernets RJ 45 connectors look similar to the ubiquitous RJ 11 connectors used for connecting telephone equipment but they are somewhat wider SDSL symmetric digital subscriber line SDSL is called symmetric because it supports the sam...

Page 46: ...ferent routes before arriving at their destination VPI Virtual Path Identifier Virtual path refers in networking to the location of a file or directory on a server being accessed remotely via the Web The VPI is the address of the file WAN Wide Area Network A computer network that spans a relatively large geographical area Typically a WAN consists of two or more local area networks LANs Computers c...

Page 47: ...use undesired operation WARNING 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 and the Canadian Department of Communications Equipment Standards entitled Digital Apparatus ICES 003 These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment ...

Page 48: ...mériques de Classe B préscrites dans la norme sur le matériel brouilleur Appareils Numériques NMB 003 édictée par l Industrie Canada Canadian Installations NOTICE The Industry Canada IC label identifies certified equipment This certification means the equipment meets certain telecommunications network protective operational and safety requirements as prescribed in the appropriate Terminal Equipmen...

Page 49: ...terprise locale de télécommunication Le matériel doit également être installé en suivant une méthode acceptée draccordment L abonné ne doit pas oublier qu il est possible que la conformité aux conditions énoncées ci dessus n empêche pas le dégradation du service dans certaines situations Les réparations de matériel homologué doivent être effectuées par un centre d entretien canadien autorisé désig...

Page 50: ...m licensed from it will perform in substantial conformance to its program specifications for a period of ninety 90 days from the date of purchase from 3Com or its authorized reseller 3Com warrants the media containing software against 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 pur...

Page 51: ...ization Dated proof of purchase from 3Com or its authorized reseller may be required Products returned to 3Com s Corporate Service Center must be pre authorized by 3Com with a Return Material Authorization RMA number or User Service Order USO number marked on the outside of the package and sent prepaid and packaged appropriately for safe shipment and it is recommended that they be insured or sent ...

Page 52: ...GLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE or profits LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH...

Page 53: ...P O Box 58145 Santa Clara CA 95052 8145 408 326 5000 June 7 1999 ...

Page 54: ...umentation and the software described herein are provided to you subject to the following United States Government Legend All technical data and computer software is commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided wi...

Page 55: ... 2 are registered trademarks and Warp is a trademark of International Business Machines Corporation Internet Explorer Microsoft MS DOS Windows Windows 95 and Windows NT are registered trademarks of Microsoft Corporation Novell and NetWare are registered trademarks of Novell Inc PictureTel is a registered trademark of PictureTel Corporation UNIX is a registered trademark of X Open Company Ltd in th...

Page 56: ...ng this Dual Link utility Once the new software is stored on your PC use the Manager to update the Dual Link modem Installing Instant Update Configuring Instant Update Updating your modem software Serial download Installing Instant Update The Instant Update package allows you to automatically obtain software updates for your modem over the Internet To install it from your Install CD click on Start...

Page 57: ...You will be asked to accept or choose the destination directory And given the opportunity to change the program folder name Click Finish to complete the setup of the utility ...

Page 58: ...nfiguration This gives you a series of screens that allow you to control the operation and frequency of the Instant Update By default the Instant Update will check for code updates from the 3Com web site every 30 days You may not wish to change the defaults On the scheduling tab if you think there may be an updated file available you can select Update Now Click Close to exit the Instant Update con...

Page 59: ...ur Dual Link Modem and download an update file when one is found This file will be downloaded to your PC and stored in a folder on your hard drive By default the file location is C Program Files 3Com Dlcc Update You can then download it to your Dual Link at your convenience To retrieve a downloaded nac file and install it on your Dual Link first open your Dual Link Modem Settings Screen ...

Page 60: ...From the Main page select System Under the category System Maintenance click on Upgrade Software ...

Page 61: ...is not the preferred method but we ve documented it here in case you need to use it This procedure requires that you first connect your Dual Link unit to a Com port on your PC using a DB 9 to DB 9 cable Once this is done click Start Programs 3Com Dual Link Modem Advanced Serial Download to start the serial download You will see the following screen You will be asked to input the Com port and baud ...

Page 62: ...It will direct you to Turn OFF unplug the Dual Link unit 1 Press Return to start the download 2 Turn on the Dual Link unit 3 This will write the new nac file onto the Dual Link ...

Page 63: ...d Operations General Information Troubleshooting FAQs To uninstall your modem If you need to uninstall the Dual Link modem use the Uninstall utility shown in the Dual Link Manager Before the uninstall procedure begins you will receive the following warning ...

Page 64: ...lower left side of your screen You will find a program group that looks similar to the one shown below on your hard drive The Dual Link Modem program group contains some shortcuts which you can drag onto your desktop for easy access if you wish To find the Dual Link program group just right click the Start button click on Open Double click the Programs folder and open the 3Com Dual Link Modem wind...

Page 65: ...e the software Reset the ADSL line View diagnostics System Parameters include the Traffic sharing setting and ADSL Wire Pair selected on your Dual Link installation if you want to allow information sharing between the USB and Ethernet ports you will need to ensure that the Traffic Sharing function is set to YES ADSL uses one of two sets of wires in the connecting line to access your service Genera...

Page 66: ......

Page 67: ...tting Started Using your modem Advanced Operations General Information Troubleshooting FAQs Rebooting the Dual Link If you press the Reboot button you ll see the following warning Rebooting should be done with caution ...

Page 68: ...et button you will see a message warning you that if you reset the ADSL line all currently active services will be dropped While this allows you to reset the ADSL line connection you should rarely ever have to use this function If your ADSL line is not functioning properly you could use this function to require that the modem relearn the connection ...

Page 69: ...es are used by the modem to store information about connections over the ADSL line The installation procedure for your modem automatically stores the configuration information for your connections into one or more service profiles Normally there is a single profile that is called ISP Typically you will not need to access the profiles directly For more information see the following topics Display S...

Page 70: ...shows you statistics for the service you selected and gives you the opportunity if this service was set up by mistake or is no longer your service provider to delete the entry Deleting services manually from this page is not recommended If you need to reinstall your modem we would suggest uninstalling the software from your PC and deleting the current configuration ...

Page 71: ...dvanced Operations General Information Troubleshooting FAQs Add New Services Should you need to add a new Service Provider this function allows you to do so This is an advanced function In Bridging Mode it is unlikely that you would have to use this ...

Page 72: ...rk That is computers that are attached to the Dual Link Ethernet port can share files and resources with a computer attached to the USB port For example you may have a desktop computer in your home office and a laptop computer that you also take with you to a remote office Typically you might use an Ethernet card in your laptop to connect to the corporate network At home you can connect your deskt...

Page 73: ......

Page 74: ...Bridging Mode Getting Started Using your modem Advanced Operations General Information Troubleshooting FAQs The Online User s Guide This guide is accessed from your 3Com ADSL Dual Link Program Group ...

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