US Robotics 3Com Uživatelský manuál

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

SPEAKERPHONE FEATURES (EXTERNAL VOICESPEAKERPHONE MODEMS ONLY)3-1Making a Speakerphone Callwith a Telephone1. Make sure your telephone is plugged into

REGULATORY INFORMATION AND LIMITED WARRANTY9-11LIMITATION OF LIABILITY. TO THEFULL EXTENT ALLOWED BY LAW,3COM ALSO EXCLUDES FOR ITSELFAND ITS SUPPLIER

REGULATORY INFORMATION AND LIMITED WARRANTY9-12This warranty gives you specific legal rightswhich may vary depending on local law.GOVERNING LAW: This

SPEAKERPHONE FEATURES (EXTERNAL VOICE SPEAKERPHONE MODEMS ONLY)3-2PHONE jack. If you are using yourcommunications software to dialspeakerphone calls,

MODEM UPDATE WIZARD4-1Windows-based Systems:The Connections CD-ROM, which came withyour modem, includes the U.S. RoboticsModem Update Wizard. This so

MODEM UPDATE WIZARD4-2 NOTE: For more detailedinstructions, see our Web page(http://www.3Com.com/56k).Updating Your Modem1. Click Start, point to Prog

MODEM UPDATE WIZARD4-3Macintosh Computers:The Connections CD-ROM, which came withyour modem, includes the U.S. RoboticsModem Update Wizard. This soft

MODEM UPDATE WIZARD4-4 NOTE: For more detailedinstructions, see our Web page(http://www.3Com.com/56k).Updating Your Modem1. Double-click your Hard Dri

UNINSTALLING A U.S. ROBOTICS MODEM5-1 NOTE: These instructions onlyapply to U.S. Robotics modems. If themodem you’ll be uninstalling was madeby anothe

UNINSTALLING A U.S. ROBOTICS MODEM5-27. Choose the Port Settings tab and thenclick the Uninstall button.8. Windows displays the followingmessage: “War

UNINSTALLING A U.S. ROBOTICS MODEM5-314. Remove the computer’s cover. (If youdo not know how, refer to yourcomputer’s documentation.)15. Find the mode

UNINSTALLING A U.S. ROBOTICS MODEM5-47. Turn off and unplug your computer andall peripherals.8. Remove the computer’s cover. (If youdo not know how, r

UNINSTALLING A U.S. ROBOTICS MODEM5-5 CAUTION: To avoid the risk ofelectric shock, make sure yourcomputer and all peripheral devices areturned off an

UNINSTALLING A U.S. ROBOTICS MODEM5-6Once your modem is disconnected, you’llneed to uninstall the RapidComm software.For more information on uninstall

TROUBLESHOOTING AND HELP RESOURCES6-1When you try to connect to the Internet, you get the error“modem not responding” or “modem in use.”Possible Solut

TROUBLESHOOTING AND HELP RESOURCES6-2• You might have a bad phone cord connection to your modem. The phone cord should beplugged into the TELCO jack o

TROUBLESHOOTING AND HELP RESOURCES6-3ATX3DT18475454248 (the 3Com Macintosh BBS) and press ENTER. If you need todial 9 to obtain outside phone access,

TROUBLESHOOTING AND HELP RESOURCES6-4b. Make sure that the number you’re dialing is an actual V.90 server. Some ISPs mayhave a mixture of V.90 and non

TROUBLESHOOTING AND HELP RESOURCES6-5Possible Solutions:• You may have plugged your modem’s phone cord into the wrong jack on the modem.Make sure the

TROUBLESHOOTING AND HELP RESOURCES6-6Windows 95 has built-in dial-up network support. Using Dial-Up Networking, you are ableto connect to remote serve

TROUBLESHOOTING AND HELP RESOURCES6-7Close all your applications and restart the system. You are now finished with theinstallation process.Configuring

TROUBLESHOOTING AND HELP RESOURCES6-8requires it. Make sure that Wait for dial tone before dialing is checked to make sure thereis no dialing before t

TABLE OF CONTENTS56K Faxmodem Product Features ... 1-1Soft

TROUBLESHOOTING AND HELP RESOURCES6-9IP Setting – Possible Scenarios• Your access provider provides you with a specific IP address that you will use e

TROUBLESHOOTING AND HELP RESOURCES6-10Using Dial-Up NetworkingNow that everything is configured, it’s time to dial out. Click Start, point to Programs

TROUBLESHOOTING AND HELP RESOURCES6-11Plug and Play does not detect your modem. You’ve installed themodem and Windows has restarted, but you simply se

TROUBLESHOOTING AND HELP RESOURCES6-12support options. If you do see one of these options, double-click the option. If thedescription that appears mat

TROUBLESHOOTING AND HELP RESOURCES6-13IRQ Assignment0 System Timer1 Keyboard2 Cascade input (mandatory function)3 COM24 COM15 Sound/Parallel Port 2 (L

TROUBLESHOOTING AND HELP RESOURCES6-14its default assignment. This is possible only if the default assignment is not in use. Forexample, you can assig

TROUBLESHOOTING AND HELP RESOURCES6-15• Use the mouse to select the COM port that you are using for your modem.• Click Settings, then Advanced.• Selec

TROUBLESHOOTING AND HELP RESOURCES6-16cards is that many of them share COM4’s memory address space. This can conflict ifyou try putting a modem on COM

TROUBLESHOOTING AND HELP RESOURCES6-17Sometimes it is necessary to change the IRQ setting on an expansion card to free an IRQfor the modem. For exampl

TROUBLESHOOTING AND HELP RESOURCES6-18Help ResourcesConnecting to the 3Com BBSTo connect to the 3Com Bulletin BoardSystem, follow these steps:1. Start

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 RESOURCES6-193Com offers a number of other onlinetechnical support options. Choose any oneof the following options for help w

TROUBLESHOOTING AND HELP RESOURCES6-20Are You Still Having Problems?• Review this manual.• Call or visit your modem dealer. Theymay be able to provide

TROUBLESHOOTING AND HELP RESOURCES6-21For a no-hold call, a $2.00 per minutecharge will appear on your local phonebill. You must be 18 or older or hav

GLOSSARY7-1Cross references are printed in boldface.analog loopbackor an internal test pattern is sent to the modem'stransmitter, turned into ana

GLOSSARY7-2auto-dialA process where your modem dials a call for you.The dialing process is initiated by sending anATDT (dial tone) or ATDP (dial pulse

GLOSSARY7-3characters per second (cps)A data transfer rate generally estimated from the bitrate and the character length. For example, at2400 bps, 8-b

GLOSSARY7-4detect phaseIn the ITU-T V.42 error-control protocol, the firststage in establishing if both modems attempting toconnect have V.42 capabili

GLOSSARY7-5flow controlA mechanism that compensates for differences inthe flow of data into and out of a modem or otherdevice. See commands &Hn, &

GLOSSARY7-6LAPMLink Access Procedure for Modems. An error-control protocol defined in ITU-T recommendationV.42. Like the MNP protocols, LAPM uses cycl

GLOSSARY7-7checking has been surpassed by more reliable andefficient forms of error checking, including V.42and MNP 2-4 protocols. Either the same typ

SOFTWARE INSTALLATION2-1Windows-based Systems:Running the Setup WizardThe instructions for installing yourConnections™ CD-ROM software are onthe insta

GLOSSARY7-8terminal modeSoftware mode that allows direct communicationwith the modem. Also known as command mode.throughputThe amount of actual user d

GLOSSARY7-914,400 bps. V.32 bis modems fall back to the nextlower speed when line quality is impaired, fall backfurther as necessary, and also fall fo

GLOSSARY7-10These protocols are in the public domain and areavailable from many bulletin board services.XON/XOFFStandard ASCII control characters used

TECHNICAL REFERENCE8-1Front-of-the-Case Lights (External Faxmodems) ...8-2Top-of-the-Case Lights (Voice Faxmodem Pro Externals)..8-3Typin

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

TECHNICAL REFERENCE8-3Top-of-the-Case Lights (Voice Faxmodem Pro Externals)Light What It Means When LightedPOWER ...The modem is turn

TECHNICAL REFERENCE8-4Typing Commands• Type commands in either upper or lower case, not a combination. Use theBackspace key to delete errors. (You can

TECHNICAL REFERENCE8-5Basic Data Commands<control key>SStop or restart help screens.<control key>C or <control key>KStop help screen

TECHNICAL REFERENCE8-6Dn Dials the specified phonenumber. Includes thefollowing:0-9 Numeric digits#, * Extended touch-tonepad tonesL Dials the last d

TECHNICAL REFERENCE8-7En Sets local echo.E0 Echo OFFE1 Modem displayskeyboard commandsFn Sets online local echo oftransmitted data ON/OFF.F0 Local ech

SOFTWARE INSTALLATION2-1The Connections CD contains theRapidComm communications software.RapidComm is used with the standard

TECHNICAL REFERENCE8-8Mn Operates speaker.M0 Speaker always OFF.M1 Speaker ON untilCONNECT.M2 Speaker always ON.M3 Speaker ON afterdial, untilCONNECT.

TECHNICAL REFERENCE8-9Xn Sets result code displayed. Default is X4.(NOTE: Result codes 0 through 155 are for 33.6 products and V.90 products. Result c

TECHNICAL REFERENCE8-10Xn Result Codes (cont.) X0 X1 X2 X3

TECHNICAL REFERENCE8-11Yn Selects power-on/resetdefault configuration.Y0 Use profile 0 settingin NVRAMY1 Use profile 1 settingin NVRAMY2 Use factoryco

TECHNICAL REFERENCE8-12Extended Data Commands&$ Displays a list of ampersand (&)commands.&An Enables/disables additional resultcode subset

TECHNICAL REFERENCE8-13&Gn Sets Guard Tone.&G0 No guard tone, U.S. andCanada&G1 550 Hz guard tone, someEuropean countries, requiresB0 sett

TECHNICAL REFERENCE8-14&Mn Sets Error Control (ARQ)for connections at 1200 bpsand higher.&M0 Normal mode, error controldisabled&M1 Reserve

TECHNICAL REFERENCE8-15&N19 30,666 bps&N20 32,000 bps&N21 33,333 bps&N22 34,666 bps&N23 36,000 bps&N24 37,333 bps&N25 38,6

TECHNICAL REFERENCE8-16&Tn Begins test modes.&T0 Ends testing&T1 Analog Loopback&T2 Reserved&T3 Local DigitalLoopback&T4 Enabl

TECHNICAL REFERENCE8-17&U0 No restrictions on theminimum speed for theconnection.&U1 300 bps&U2 1200 bps&U3 2400 bps&U4 4800 bps&a

SOFTWARE INSTALLATION2-2modems; RapidComm Voice is used withmodems with voice functionality.Once you have installed the Connectionsprogram group, you

TECHNICAL REFERENCE8-18&Wn Writes current configuration toNVRAM templates.&W0 Modifies the NVRAM 0template (Y0)&W1 Modifies the NVRAM 1tem

TECHNICAL REFERENCE8-20DIP 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.

TECHNICAL REFERENCE8-21FactorySwitch Setting Function6 OFF Carrier Detect (CD) OverrideOFF Modem sends CD signal when it connects with another modem,

TECHNICAL REFERENCE8-22S-RegistersTo change a setting, use the ATSr=n command, where r is the register and n is adecimal value from 0 − 255 (unless ot

TECHNICAL REFERENCE8-23Register Default FunctionS6 2 Sets the number of seconds the modem waits before dialing. If Xn is set to X2or X4, this is the

TECHNICAL REFERENCE8-24Register Default FunctionS13 0 Bit-mapped register. Select the bit(s) you want on and set S13 to the total of thevalues in the

TECHNICAL REFERENCE8-25Register Default FunctionS14 0 ReservedS15 0 Bit-mapped register setup. To set the register, see instructions for S13.Bit Valu

TECHNICAL REFERENCE8-26Register Default FunctionS18 0 Test timer for &T loopback testing. Sets the time in seconds of testing beforethe modem auto

TECHNICAL REFERENCE8-27Register Default FunctionS27 0 Bit-mapped register setup. To set the register, see instructions for S13.Bit Value Result0 1 Ena

TECHNICAL REFERENCE8-28Register Default Function S28 0 Eliminates the V.32 answer tones for a faster connection.8 Default item, all times are in

SOFTWARE INSTALLATION2-3Macintosh Computers:Running the Setup WizardThe instructions for installing yourConnections™ CD-ROM software are onthe install

TECHNICAL REFERENCE8-29Register Default FunctionS33 0 Bit-mapped register setup. To set the register, see the instructions for S13.Bit Value Result0

TECHNICAL REFERENCE8-307 128 Disable Pre-coding.

TECHNICAL REFERENCE8-31Register Default FunctionS35-S37 ReservedS38 0 Sets an optional delay, in seconds, before a forced hang-up and clearing of th

TECHNICAL REFERENCE8-32S42 0 Reserved

TECHNICAL REFERENCE8-33Fax Commands+FCLASS=n Sets the mode of operation.FCLASS=0 Data modeFCLASS=1 Group 3 Facsimile Service Class 1 modeFCLASS=2.0 Gr

TECHNICAL REFERENCE8-34+FTM=n Transmits data using the modulation specified by n.(n = 3, 24, 48, 72, 96, 97, 98, 121, 122, 145, or 146)Note: See the “

TECHNICAL REFERENCE8-35Note: See the “Screen Messages” table at the end of this section for an explanation of messages that appear in responseto this

TECHNICAL REFERENCE8-36Screen MessagesNumeric TextMessage Message Description0 OK The previous command has been processed successfully.1 CONNECT The m

TECHNICAL REFERENCE8-37The Serial InterfaceThe serial interface is a standard developed by the Electronic IndustriesAssociation (EIA). It defines the

TECHNICAL REFERENCE8-38Serial Interface Pin DefinitionsSignal SourceDB-25 DB-9 Circuit Function Computer/Modem1 — AA Chassis Ground Both2 3 BA Transmi

SOFTWARE INSTALLATION2-4modems; RapidComm Voice is used withmodems with voice functionality.Once you have installed Connections, youcan install the Ra

REGULATORY INFORMATION AND LIMITEDWARRANTY9-1Notice: This modem was not designedor approved for use in Europe,Australia, and New Zealand.Manufacturer’

REGULATORY INFORMATION AND LIMITED WARRANTY9-2 You must provide this information to thetelephone company if requested.The REN is used to determine the

REGULATORY INFORMATION AND LIMITED WARRANTY9-3 dans la norme sur le matériel brouilleur:Appareils Numériques, NMB-003 édictéepar l'Industrie Cana

REGULATORY INFORMATION AND LIMITED WARRANTY9-4 to correct the problem with one or more ofthe following measures:• Reorient the receiving antenna (fort

REGULATORY INFORMATION AND LIMITED WARRANTY9-5appropriate Terminal Equipment TechnicalRequirements document(s). TheDepartment does not guarantee theeq

REGULATORY INFORMATION AND LIMITED WARRANTY9-6CAUTION: Do NOT attempt to make suchconnections yourself. Instead, contact anelectric inspection authori

REGULATORY INFORMATION AND LIMITED WARRANTY9-7Pour sa propre protection, l'utilisateur doits'assurer que tous les fils de mise à la terrede

REGULATORY INFORMATION AND LIMITED WARRANTY9-83Com warrants any replaced or repairedproduct or part for ninety (90) days fromshipment, or the remainde

REGULATORY INFORMATION AND LIMITED WARRANTY9-9OBTAINING WARRANTY SERVICE:Customer must contact a 3Com CorporateService Center or an Authorized 3ComSer

REGULATORY INFORMATION AND LIMITED WARRANTY9-10LAW, THE FOREGOING WARRANTIESAND REMEDIES ARE EXCLUSIVEAND ARE IN LIEU OF ALL OTHERWARRANTIES, TERMS, O