US Robotics 3Com Manuel d'utilisateur

This manual covers 3Com U.S. Robotics® faxmodems.3Com, the 3Com logo, U.S. Robotics, and Winmodem are registered trademarks and Connections, RapidCom

UNINSTALLING A U.S. ROBOTICS MODEM5-2 CAUTION: To avoid the risk of electric shock, makesure your computer and all peripheral devices are turnedoff an

UNINSTALLING A U.S. ROBOTICS MODEM5-34. Double-click the Modems icon.5. Click to highlight the name of the modem you wish toremove.6. Click the Remove

TROUBLESHOOTING AND HELP RESOURCES6-1External Modems ...

TROUBLESHOOTING AND HELP RESOURCES6-2Internal ISA Modems ...

TROUBLESHOOTING AND HELP RESOURCES6-3EXTERNAL MODEMSBasic Troubleshooting Steps1. Is your modem turned on? When your modem is properly connected to p

TROUBLESHOOTING AND HELP RESOURCES6-44. If there are DIP switches on the back of your modem, are they set correctly? DIP switches 3, 5, and 8 should

TROUBLESHOOTING AND HELP RESOURCES6-5Windows 95/98Make sure your COM port is not already in use by another modem. Click Windows Start, Settings, and C

TROUBLESHOOTING AND HELP RESOURCES6-6Possible solution:Make sure the modem is plugged in and turned on. If it is, check the outlet with another electr

TROUBLESHOOTING AND HELP RESOURCES6-7Possible solution:You might have a bad phone cord connection to your modem, or your phone cord may be plugged int

TROUBLESHOOTING AND HELP RESOURCES6-8Windows 98Windows NTPossible solution:Make sure the DIP switches on the back of your modem are set correctly. DIP

TROUBLESHOOTING AND HELP RESOURCES6-9PROBLEM: My modem isn’t achieving a 56K Internet connection.Note: Due to current FCC regulations, maximum downloa

TROUBLESHOOTING AND HELP RESOURCES6-10EXTERNAL USB MODEMSBasic Troubleshooting Steps1. Is your modem turned on? When your modem is properly connected

TROUBLESHOOTING AND HELP RESOURCES6-11USB A to B cableNOTE: You should NOT attempt to connect or use your modem with both the USB and serial cable con

TROUBLESHOOTING AND HELP RESOURCES6-12IF YOU ARE USING THIS MODEM AS A USB DEVICE: Possible solution:Your USB port may not be enabled. To ensure USB

TROUBLESHOOTING AND HELP RESOURCES6-13Possible solution:If the modem has worked previously and you removed the USB cable from the computer and then re

TROUBLESHOOTING AND HELP RESOURCES6-14PROBLEM: My software isn’t recognizing my modem.Possible solution:Your communications software may not function

TROUBLESHOOTING AND HELP RESOURCES6-15select Properties. Make sure that the description in the modem box matches the description of the modem you are

TROUBLESHOOTING AND HELP RESOURCES6-16Possible solution:You may have a poor connection. All calls are routed differently, so try placing the call agai

TROUBLESHOOTING AND HELP RESOURCES6-17PROBLEM: My modem isn’t achieving a 56K Internet connection.Note: Due to current FCC regulations, maximum downlo

TROUBLESHOOTING AND HELP RESOURCES6-18Macintosh ModemsBasic Troubleshooting Steps1. Is your modem turned on? When your modem is properly connected to

TABLE OF CONTENTS56K Faxmodem Product Features ...1-1Software Instal

TROUBLESHOOTING AND HELP RESOURCES6-19PROBLEM: My computer isn’t recognizing my modem.Possible solution:Make sure the modem is plugged in and turned o

TROUBLESHOOTING AND HELP RESOURCES6-20PROBLEM: My modem won't dial out or doesn't answer incoming calls.FOR BOTH DIALING AND ANSWERING PROBL

TROUBLESHOOTING AND HELP RESOURCES6-21DIALING PROBLEMS FOR VOICE MAIL USERS:Possible solution:If you have voice mail provided by your local phone comp

TROUBLESHOOTING AND HELP RESOURCES6-22• The server you’re dialing in to must support and provide a digital V.90 signal. Your ISP can provide you with

TROUBLESHOOTING AND HELP RESOURCES6-23INTERNAL WINMODEM MODEMSBasic Troubleshooting Steps1. Make sure that your phone cord is properly connected. Rem

TROUBLESHOOTING AND HELP RESOURCES6-24your modem, double-click the Computer icon. The “Computer Properties” screen will appear. When it does, click th

TROUBLESHOOTING AND HELP RESOURCES6-25Possible solution:You may not have the correct modem type selected in your software or in Windows. Click on Wind

TROUBLESHOOTING AND HELP RESOURCES6-26Possible solution:If you have voice mail provided by your local phone company, your dial tone may be altered whe

TROUBLESHOOTING AND HELP RESOURCES6-27Windows NTPROBLEM: My modem isn’t achieving a 56K Internet connection.Note: Due to current FCC regulations, maxi

TROUBLESHOOTING AND HELP RESOURCES6-28INTERNAL ISA MODEMSBasic Troubleshooting Steps1. Make sure that your phone cord is properly connected. Remove th

56K FAXMODEM PRODUCT FEATURES1-1Modulation SchemesITU-T V.90x2™ technologyITU-T V.34+ITU-T V.34ITU-T V.32bisITU-T V.32ITU-T V.22bisITU-T V.22ITU-T V.2

TROUBLESHOOTING AND HELP RESOURCES6-29Locate your modem in the list of devices. If a yellow exclamation point appears over the modem’s description, yo

TROUBLESHOOTING AND HELP RESOURCES6-30Windows NTTurn off your computer and remove your modem. Restart and click Windows Start, Settings, and then Cont

TROUBLESHOOTING AND HELP RESOURCES6-31Possible solution:If you are using Dial-Up Networking, it may not be configured correctly. Check your configurat

TROUBLESHOOTING AND HELP RESOURCES6-32VOICE MAIL USERS:Possible solution:If you have voice mail provided by your local phone company, your dial tone m

TROUBLESHOOTING AND HELP RESOURCES6-33PROBLEM: My modem isn’t achieving a 56K Internet connection.Note: Due to current FCC regulations, maximum downlo

TROUBLESHOOTING AND HELP RESOURCES6-34Internal PCI ModemsBasic Troubleshooting Steps1. Make sure that your phone cord is properly connected. Remove th

TROUBLESHOOTING AND HELP RESOURCES6-35If a usable, free IRQ does not exist, you may need to remove, disable, or relocate another device. Refer to that

TROUBLESHOOTING AND HELP RESOURCES6-36Windows NTTurn off your computer and remove your modem. Restart and click Windows Start, Settings, and then Cont

TROUBLESHOOTING AND HELP RESOURCES6-37FOR BOTH DIALING AND ANSWERING PROBLEMS:Possible solution:You may have a bad phone cord connection to your modem

TROUBLESHOOTING AND HELP RESOURCES6-38PROBLEM: My modem sounds like it’s trying to connect to another modem but fails.Possible solution:You may have a

SOFTWARE INSTALLATION2-1Running the Setup WizardThe instructions for installing your Connections™ CD-ROMsoftware are on the installation map included

TROUBLESHOOTING AND HELP RESOURCES6-39Help ResourcesWorld Wide WebContains useful product information, documents, and manuals.Log on to:http://consume

TROUBLESHOOTING AND HELP RESOURCES6-40 NOTE: If you can, have your ati7 information writtendown on a piece of paper before you call techsupport.Regula

GLOSSARY7-1Cross references are printed in boldface.analog loopbackA modem self-test in which data from the keyboard or an internal testpattern is sen

GLOSSARY7-2characterA representation, coded in binary digits, of a letter, number, or othersymbol.characters per second (cps)A data transfer rate gene

GLOSSARY7-3defaultAny setting assumed, at startup or reset, by the computer's software andattached devices. The computer or software will use the

GLOSSARY7-4facsimileA method for transmitting the image on a page from one point to another.Commonly referred to as fax.fax modeThe mode used by a mod

GLOSSARY7-5online fall back/fall forwardA feature that allows high-speed, error-control modems to monitor linequality and fall back to the next lower

GLOSSARY7-6V.22 bisAn ITU-T standard for modem communications at 2400 bps. The standardincludes an automatic link negotiation fallback to 1200 bps and

GLOSSARY7-7uses the digital telephone network to increase the bit rate of the receivechannel by eliminating the analog to digital conversion commonly

TECHNICAL REFERENCE8-1Front-of-the-Case Lights (External Faxmodems)...8-2Top-of-the-Case Lights (Voice

SPEAKERPHONE FEATURES (EXTERNAL VOICE SPEAKERPHONE MODEMS ONLY)3-1Making a Speakerphone Call with aTelephone1. Make sure your telephone is plugged int

TECHNICAL REFERENCE8-2Front-of-the-Case Lights (External Faxmodems)Symbol Meaning StatusAA...Auto Answer Answer mode: ON when register S0 is

TECHNICAL REFERENCE8-3Typing Commands• Type commands in either upper or lower case, not a combination. Use the Backspace key to delete errors. (You ca

TECHNICAL REFERENCEBasic Data Commands8-4<control key>SStop or restart help screens.<control key>C or <control key>KStop help screen

TECHNICAL REFERENCEBasic Data Commands8-5En Sets local echo.E0 Echo OFFE1 Modem displays keyboard commandsFn Sets online local echo of transmitted dat

TECHNICAL REFERENCEBasic Data Commands8-6Vn Displays verbal/numeric result codes.V0 Numeric codesV1 Verbal codesXn Sets result code displayed. Default

TECHNICAL REFERENCEBasic Data Commands8-7Yn Selects power-on/reset default configuration.Y0 Use profile 0 setting in NVRAMY1 Use profile 1 setting in

TECHNICAL REFERENCEExtended Data Commands8-8&$ Displays a list of ampersand (&) commands.&An Enables/disables added result code subsets (s

TECHNICAL REFERENCEExtended Data Commands8-9&M3 Reserved&M4 Normal/ARQ&M5 ARQ mode&Nn Sets connect speed. If connection cannot be made

TECHNICAL REFERENCEExtended Data Commands8-10&Rn Sets Receive Data (RD) hardware flow control, Request to Send (RTS) (seealso &Hn).&R0 Res

TECHNICAL REFERENCEExtended Data Commands8-11Note: &U17 through &U39 apply only to V.90 products.&U17 28,000 bps&U18 29,333 bps&U1

SPEAKERPHONE FEATURES (EXTERNAL VOICE SPEAKERPHONE MODEMS ONLY)3-2Muting a CallIf you’d like to say something without the receiving partyhearing you,

TECHNICAL REFERENCEDIP Switches (External Modems with DIP Switches Only)Note: If a DIP switch is on, it is down. If a DIP switch is off, it is up. Def

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCES RegistersNote: To change a setting use ATSr=n, where r is the register and n is a decimal value from 0 − 255 (unless otherwise in

TECHNICAL REFERENCE8-21Fax Commands+FCLASS=n Sets the mode of operation.FCLASS=0 Data modeFCLASS=1 Group 3 Facsimile Service Class 1 modeFCLASS=2.0 Gr

INTERNET UPDATE WIZARD4-1The Connections CD-ROM, which came with your modem,includes the 3Com Internet Update Wizard. This software isdesigned to qui

TECHNICAL REFERENCEScreen Messages8-22Screen MessagesNumeric TextMessage Message Description0 OK The previous command has been processed successfully.

TECHNICAL REFERENCE8-23The Serial InterfaceThe serial interface is a standard developed by the Electronic Industries Association (EIA). It defines the

REGULATORY INFORMATION AND LIMITED WARRANTYNotice: This modem was not designed or approved for usein Europe, Australia, or New Zealand.Manufacturer’s

REGULATORY INFORMATION AND LIMITED WARRANTYhave installation instructions detailing user installation of cardaccessories.Fax BrandingThe Telephone Con

REGULATORY INFORMATION AND LIMITED WARRANTYFor Canadian Modem UsersIndustry Canada (IC)This digital apparatus does not exceed the Class B limits forra

REGULATORY INFORMATION AND LIMITED WARRANTYLes réparations de matériel homologué doivent êtrecoordonnées par un représentant désigné par le fournisseu

REGULATORY INFORMATION AND LIMITED WARRANTYOBTAINING WARRANTY SERVICE: Customer must contact a3Com Corporate Service Center or an Authorized 3ComServi

REGULATORY INFORMATION AND LIMITED WARRANTYRANGE OF THE INTENDED USE, OR BY ACCIDENT,FIRE, LIGHTNING, OTHER HAZARDS, OR ACTS OFGOD.LIMITATION OF LIABI

UNINSTALLING A U.S. ROBOTICS MODEM5-1 NOTE: These instructions only apply to current U.S.Robotics modems. If the modem you’ll be uninstallingwas made