Page 1 This manual covers installation and operating instructions for the following U.S. Robotics modems: ® Sportster 56 kbps Winmodem™ U.S. Robotics, the USRobotics logo, V.Everything, Winmodem, and Sportster are registered trademarks and Connections, Total Control, Courier, RapidComm, x2, and the x2 logo are trademarks of 3Com Corporation or its subsidiaries.
Page 2: Table Of Contents
ABLE OF ONTENTS Welcome to x ™ Information Access Product Features Windows 95 Hardware Installation Checking Your Version of Windows 95 How to Insert the Modem How to Move Through the “New Hardware Found” Screens in Windows 950 or 950a 10 Installing the Winmodem Software Under Windows 950b Uninstalling the Winmodem Software in Windows 95 Windows 3.x Hardware Installation...
Page 3 ABLE OF ONTENTS U.S. Robotics Modem Update Wizard Installation Operation Troubleshooting and Online Help Resources Online Help Resources Connecting to the 3Com BBS Downloading the Technical Reference Guide World Wide Web CompuServ America Online Fax and Technical Support Hotline RapidComm Trouble Shooting Tips Using Modem Station Installing Modem Station Using Detect New Modems...
Page 4 ABLE OF ONTENTS The Extended Information Screens Glossary Technical Quick Reference Command Summary S-Registers Regulatory Information Fax Branding For Canadian Modem Users Limited Warranty Index...
Page 5: Welcome To X 2 ™ Information Access
x2 T ELCOME TO ECHNOLOGY NFORMATION CCESS but, due to FCC rules which restrict power output of your service provider’s modems, current download speeds are limited to 53 kbps. This modem is software upgradable, allowing easy upgrades to new features and enhancements as they become available.
Page 6 ELCOME TO X NFORMATION CCESS Taking advantage of the Updating x technology is modern telephone network easy and FREE! x2 Technology takes advantage of the typical Read the section of this manual titled “U.S. network configuration found when an analog Robotics Modem Update Wizard”...
Page 7: Product Features
RODUCT EATURES 49333, 50666, 52000, 53333, Error Control and Data Your new x2 modem 54666, 56000, 57333 provides many advanced Compression Schemes Back Channel Link features. Here are just a ITU-T V.42 Rates few: ITU-T V.42bis 4800, 7200, 9600, 12000, 14400, MNP 2-5 16800, 19200, 21600, 24000, Modulation Schemes...
Page 8: Windows 95 Hardware Installation
95 H INDOWS ARDWARE NSTALLATION You’ll need these items from your Sportster modem box: NOTE! These instructions are for Windows 95 users. If your computer is running Windows 3.x, please refer to the modem a phone cord the online documentation included on the Connections CD-ROM.
Page 9: Checking Your Version Of Windows 95
INMODEM ARDWARE NSTALLATION Select Properties. Windows 95 Users To install your Winmodem properly, you must first know which version of Windows 95 you have. Please follow these instructions to check. Checking Your Version of Windows 95 Start Windows Right-click the My Computer icon. Find your version number in the upper right corner of the “General”...
Page 10: How To Insert The Modem
INMODEM ARDWARE NSTALLATION 1. Turn off your computer and unplug it from Make a note of the Windows version you are using. You will follow different instructions for the electrical outlet. navigating the “New Hardware Found” Unplug any peripheral devices (printer, screens depending on which version of monitor, keyboard, mouse, etc.) from the Windows you are using.
Page 11 INMODEM ARDWARE NSTALLATION Remove the screws from your computer’s Find an empty ISA expansion slot that’s at cover and then remove the cover. Your least as long as the gold edge of your computer may look different from this modem. (ISA slots are black plastic drawing, but the basic principle for grooves lined with metal.) Unscrew and removing the cover should be the same.
Page 12 INMODEM ARDWARE NSTALLATION Holding the modem by each corner, align You’ll have to apply a little pressure to seat the gold edge with an empty expansion slot. the modem properly. Sometimes a gentle Push down gently until the modem snaps back-and-forth motion helps get the into the slot.
Page 13 INMODEM ARDWARE NSTALLATION WARNING : Be certain you are plugging the phone line into an ANALOG jack. Many office phones use DIGITAL lines. Attaching your modem to a digital line will damage the modem! Plug the power cords, cables, and peripherals back into the computer and Plug the other end of the cable into the wall turn the computer on.
Page 14: How To Move Through The "New Hardware Found" Screens In Windows 950 Or 950A
INMODEM ARDWARE NSTALLATION How to Move Through the When you see this screen, insert the “New Hardware Found ” Winmodem floppy disk and Click OK. Screens in Windows 950 or 950a. This screen will come up when Windows restarts If the Driver from disk…...
Page 15 INMODEM ARDWARE NSTALLATION Make a note of the COM port and then When Windows restarts, check to see if click OK. You may need this information the Winmodem is correctly installed. Click when installing communications software. Start and point to Settings. Click Control Panel.
Page 16: Installing The Winmodem Software Under Windows 950B
INMODEM ARDWARE NSTALLATION When you see this screen after Windows starts, NOTE: If you did not see a DO NOT click anything Winmodem icon or the screen DO NOT press ENTER. directly preceding, or if you instead got a message that files are corrupt—turn to the section entitled: “Uninstalling the Winmodem Software”.
Page 17 INMODEM ARDWARE NSTALLATION NOTE: If you see the screen below instead of Click Next on this screen to continue. the screen preceding, click the Back button. When you see this screen, click Finish. When you see this screen, click the OK button:...
Page 18 INMODEM ARDWARE NSTALLATION When you see this screen, type A:\. (Be Finally, you will see a screen telling you sure to type the period after the that the modem has been installed. This backslash.) to replace whatever is in the screen will also show the COM port Copy files from box.
Page 19 INMODEM ARDWARE NSTALLATION Click the Winmodem icon: NOTE : If you did not see a Winmodem icon or the screen directly above—if you instead got a message that files are corrupt—turn to the section entitled: “Re- Installing the Winmodem Software”. 11.
Page 20: Uninstalling The Winmodem Software In Windows 95
INMODEM ARDWARE NSTALLATION Uninstalling the Winmodem Start the Windows Explorer program. Software in Windows 95. From the Start Menu, point to Settings and then click Control Panel. Click the Winmodem icon and then select Uninstall. Follow the onscreen prompts. After running the uninstall, please follow these steps to insure that the Winmodem software has been completely removed from your system.
Page 21 INMODEM ARDWARE NSTALLATION Double-click the Wmregcln file. that “No Winmodem was found.” Otherwise, when you see this screen, click Yes. When you see this screen, click OK. Shut down your computer. Start Windows. If you are uninstalling your Winmodem Software due to a failed installation, please proceed to the section entitled “Installing the Winmodem Software under Windows If the uninstall program completely...
Page 22 INMODEM ARDWARE NSTALLATION These instructions cover the installation of the 13). If you are not sure which version of Winmodem hardware and the accompanying Windows 95 you are using, please refer to the software under Windows 3.x. These section entitled “Checking your Windows instructions are for users of either Windows Version”...
Page 23: Windows 3.X Hardware Installation
INDOWS ARDWARE NSTALLATION This chapter will walk you through the installation of your Winmodem. There are two You’ll need these items from your parts to the installation: hardware (the modem) Sportster modem box: and software. The modem must be installed before the software.
Page 24: How To Insert The Modem
INMODEM NSTALLATION UNDER INDOWS Unplug any peripheral devices (printer, How to Insert the Modem monitor, keyboard, mouse, etc.) from the computer. NOTE: Before installing your TIP: If you haven’t added modem, write down the modem's accessories to your computer before, we serial number in the manual.
Page 25 INMODEM NSTALLATION UNDER INDOWS removing the cover should be the same. Find an empty ISA expansion slot that’s at Refer to your computer manufacturer’s least as long as the gold edge of your manual if you need further instructions. modem. (ISA slots are black plastic grooves lined with metal.) Unscrew and remove the expansion slot cover (the long narrow piece of metal that keeps dust from...
Page 26 INMODEM NSTALLATION UNDER INDOWS Holding the modem by each corner, align You’ll have to apply a little pressure to seat the gold edge with an empty expansion slot. the modem properly. Sometimes a gentle Push down gently until the modem snaps back-and-forth motion helps get the into the slot.
Page 27: Running The Installation Program On A Windows 3.1 Or 3.11 System
INMODEM NSTALLATION UNDER INDOWS Plug the power cords, cables, and peripherals back into the computer and WARNING : Be certain you turn the computer on. are plugging the phone line into an If Windows does not start automatically, ANALOG jack. Many office phones please start it now.
Page 28 INMODEM NSTALLATION UNDER INDOWS Insert the installation diskette. Click File and select Run. In the Command Line text box, type a:\install.exe. Click OK. This screen tells you that the software will create the new Winmodem directory. Click Yes. The next screen will tell you where the Winmodem installation files will be located.
Page 29 INMODEM NSTALLATION UNDER INDOWS The following screen lets you know the This next screen tells you that the software installation software is being loaded to your will automatically detect available hard drive. Let it finish. communications ports for the Winmodem. Click OK.
Page 30 INMODEM NSTALLATION UNDER INDOWS After the software detects the available Congratulations, your Winmodem COM ports, it will ask you select one for software has been installed. Click the Winmodem. Highlight any free one Restart Windows to finish the and then click OK. See the process.
Page 31 INMODEM NSTALLATION UNDER INDOWS the one shown below. For the IRQ: The COM port/IRQ combinations shown here work with most computer set-ups: 1....4 2....3 3....5, 7, or 9 (Note: if you do not see a new 4....5, 7, or 9 Winmodem group, you will instead see the Configuration screen.
Page 32 INMODEM NSTALLATION UNDER INDOWS Once you’ve chosen a combination, Once you’ve finished installing your modem, restart Windows. You should see the you are ready to install the RapidComm Winmodem group. If you do not see communications software. Please turn to the this group, try a different combination of section entitled “Software Installation and resources.
Page 33: Software Installation And Testing
OFTWARE NSTALLATION AND ESTING Software Installation and Registration advantage of this access to enter a new world Using the Setup Wizard of information and entertainment. This section guides you through the U.S. Robotics Setup Wizard, the NOTE: The following instructions Connections CD-ROM interface, and the apply to Windows 3.x and Windows 95 installation of RapidComm (fax/data software).
Page 34 OFTWARE NSTALLATION AND ESTING From the Windows 95 desktop, click You will briefly see a screen that looks like Start and select Run. this. When you are asked if you wish to run the Setup Wizard, click Yes. In the Run text box, type D:\setup.exe. (If your CD-ROM drive has a letter name other than D, type that letter in place of D.) Click OK.
Page 35 OFTWARE NSTALLATION AND ESTING This is the introduction to the Setup When you see the following screen, Wizard. After reading this screen, click select your modem from the list, verify Next. that the COM port setting is correct, and then click Next.
Page 36 OFTWARE NSTALLATION AND ESTING When you see the next two screens, fill in You will see the following screen as the the blank boxes with the appropriate Setup Wizard creates a U.S. Robotics information, pressing the TAB key to move Connections program group.
Page 37 OFTWARE NSTALLATION AND ESTING 10. The next screen introduces the U.S. Robotics Registration Wizard. After you read the screen, click Next. Read through each of the next two screens and verify or correct the information you typed earlier. Click Next on each screen to move on.
Page 38 OFTWARE NSTALLATION AND ESTING When you see this screen, you are ready When you see this screen… to register your new Sportster. By Modem will already be selected. We recommend you choose the By Modem option because it’s a great way to verify that your Sportster is correctly installed.
Page 39 OFTWARE NSTALLATION AND ESTING If you do not need to dial a prefix, NOTE: If the Setup Wizard detected simply click Dial. Internet Explorer on your system during the You will see a screen indicating that the setup process, your computer will launch registration information has been sent (see the Connections CD-ROM when you click the circled text in the screen below).
Page 40 OFTWARE NSTALLATION AND ESTING Windows 95 users: Windows will restart and the Connections CD will launch automatically upon restart. Windows 3.x users: Windows will restart. When your desktop reappears, you will see a Connections icon (shown below) in the Connections program group. Double-click on this icon to launch the CD.
Page 41 OFTWARE NSTALLATION AND ESTING When the main Connections menu Double-click the RapidComm button on appears, click Business & Productivity the Business & Productivity menu in the menu on the left hand side of the (circled in the following screen shot). screen (circled below).
Page 42 OFTWARE NSTALLATION AND ESTING The next screen contains another menu on The next screen displays information about the right hand side of the screen. Click RapidComm. You can use the scroll bar Learn More & Get Software (circled in on the right hand side of the screen to the screen image below).
Page 43 OFTWARE NSTALLATION AND ESTING The screen shown below is the first of the You will see this screen as files are copied. RapidComm Setup screens. When this screen appears, make sure the location shown in the text box is where you would like the files copied to and then click Install.
Page 44 OFTWARE NSTALLATION AND ESTING want to send a fax, you must select Clicking OK returns you to the RapidComm as the printer in the Connections interface. Click Exit (circled program from which you are printing. in the following screen image). This screen marks the end of the RapidComm installation.
Page 45 OFTWARE NSTALLATION AND ESTING Restart Windows by selecting the Restart The following screen is the first screen of the Computer? option from the Shut the RapidComm Setup Wizard. After you Down menu in the Windows Start menu. read the screen, click Next. When your desktop appears, launch RapidComm from the Windows Start menu.
Page 46 OFTWARE NSTALLATION AND ESTING When you see this screen, verify the After you verify the information on this information shown and then fill in the Data screen, click Next. box (if you have a third phone number just for your modem) and the Local Area Code box.
Page 47 OFTWARE NSTALLATION AND ESTING Select the correct modem in the text box When you see this screen… on the following screen. Then click Next. If you want RapidComm to launch with every Windows startup, click on the box to the left of Run RapidComm at Windows startup.
Page 48: Sending Your First Fax
OFTWARE NSTALLATION AND ESTING You will see this screen. eliminate the need for an expensive fax machine. Once you learn the basics of sending faxes, you can learn more involved fax functions, such as sending documents to groups of numbers at assigned times and how to transfer data files.
Page 49 OFTWARE NSTALLATION AND ESTING document to the U.S. Robotics fax number, 847-676-3559. NOTE: If you need to enter a prefix (such as 9) to dial a number outside your building, type the prefix before the fax number in the Fax Number field.
Page 50 OFTWARE NSTALLATION AND ESTING You will see a series of screens as the fax Congratulations —you are is being transmitted. When the fax has now ready to start using been successfully transmitted, you will see your Winmodem! a screen that looks like the screen on the right.
Page 51: Using Other Communications Software
SING THER OMMUNICATIONS OFTWARE V.Everything® or one of the other Courier Your new Winmodem was designed and high speed modems. tested using a wide range of Windows communications software. If you’d like to use KEY POINT : Refer to the manual another package instead of RapidComm, this that came with your software for its section will provide you with some of the...
Page 52: Flow Control
SING THER OMMUNICATIONS OFTWARE Flow Control NOTE : DO NOT select a 28,800, 14,400, or 12,000 bps serial port rate if For hardware flow control (highly offered. Your modem will NOT work recommended), select RTS/CTS correctly with any of these settings. Fix For software flow control, select or lock the serial port (baud) rate (if it’s XON/XOFF.
Page 53: U.s. Robotics Modem Update Wizard
U.S. R OBOTICS ODEM PDATE IZARD Your Connections CD-ROM includes the NOTE : Complete the instructions U.S. Robotics Modem Update Wizard. in the “Software Installation and Periodically, we make enhancements to the Testing” section of this manual before Winmodem software. The Modem Update installing the Modem Update Wizard.
Page 54: Installation
U.S. R OBOTICS ODEM PDATE IZARD Installation 1. Insert the Connections CD-ROM into your CD-ROM drive. NOTE: Windows 3.x users launch From the Windows Start menu, point to the CD-ROM by clicking on the Programs, point to Connections icon in the Connections U.S.
Page 55 U.S. R OBOTICS ODEM PDATE IZARD When the Customer Support menu appears, click on the Modem Update Wizard button (circled in the following screen shot).
Page 56 U.S. R OBOTICS ODEM PDATE IZARD Next, click on the Learn More & Get In the following screen, click on the Software button (circled in the following Install button (circled below). screen shot).
Page 57 U.S. R OBOTICS ODEM PDATE IZARD This launches the U.S. Robotics Modem The screen that follows is the welcome Update Wizard Installer. You will see the screen for the installer. After you read this following screen for a moment. screen, click Next.
Page 58: Operation
U.S. R OBOTICS ODEM PDATE IZARD The next screen indicates where the You will see the following screen for a installer will store the files for the Update moment as the installer creates the Wizard. If the indicated location is Modem Update Wizard program group.
Page 59 U.S. R OBOTICS ODEM PDATE IZARD Select Modem Update Wizard from the system.) U.S. Robotics Modem Update Wizard program group. Highlight the U.S. Robotics modem you wish to upgrade and click Next to continue. Click Next on the welcome screen to A screen will tell you to have a blank, bring up the license agreement.
Page 60 U.S. R OBOTICS ODEM PDATE IZARD When you see this screen, click Next to When you see this screen, continue. Insert a blank, formatted diskette. (If you prefer to copy the files to your hard drive, The next screen automatically dials the click Browse to select the drive and folder U.S.
Page 61 U.S. R OBOTICS ODEM PDATE IZARD When you see the screen telling you to Remove the diskette from the drive. remove the diskette after clicking the OK Restart Windows by turning the computer button, click OK. back on. You must now restart your system in When your system restarts, order to complete the installation.
Page 62 U.S. R OBOTICS ODEM PDATE IZARD (If you saved the file to your hard drive, The next screen will ask you to restart type in the path to the Winmodem files, Windows. Click OK to restart Windows. instead.) When Windows restarts, you will see the You will see a screen displaying the screen on the next page.
Page 63 U.S. R OBOTICS ODEM PDATE IZARD Note : If you do not know what the settings are, try different settings. Note : If you do not see this screen up front on your desktop, look behind your Program Manager screen. Select the IRQ and I/O Address settings that your Winmodem has been using and click...
Page 64 U.S. R OBOTICS ODEM PDATE IZARD If you have Windows 95: When you see this screen, click OK. You will see a series of “New Hardware Found” screens after Windows restarts. You will then see a screen asking you to select which driver to use to install your new hardware.
Page 65 U.S. R OBOTICS ODEM PDATE IZARD installed to. Make a note of this Turn on your computer and restart information if you haven’t already. Windows. Windows will now restart. If you have Windows 95: After the system finishes testing your Windows will automatically shut down your modem, you will see a screen indicating system.
Page 66: Troubleshooting And Online Help Resources
ROUBLESHOOTING AND NLINE ESOURCES This section provides you with some fast solutions to common modem problems. It also explains how to contact us via our various Internet sites, and how to use our BBS.
Page 67 ROUBLESHOOTING AND NLINE ESOURCES Problem Diagnoses Solutions The computer or software will not You may not be using fully Windows- The Winmodem requires FULLY recognize the modem. based software Windows-based software. Some software may run in Windows, but have DOS- components.
Page 68 ROUBLESHOOTING AND NLINE ESOURCES Problem Diagnoses Solutions The modem won’t go off hook to dial or The phone cord may not be properly The phone cord should run from the wall won’t answer the phone. connected. jack to the TELCO jack on the modem. Do not use a cord longer than 12 feet.
Page 69 ROUBLESHOOTING AND NLINE ESOURCES Problem Diagnoses Solutions The modem won’t go off hook to dial or The software you are using may not have Check to make sure that auto-answer is won’t answer the phone. (cont.) auto-answer enabled. enabled in your software. In RapidComm, type ATS0=1 in Terminal Mode.
Page 70 ROUBLESHOOTING AND NLINE ESOURCES Problem Diagnoses Solutions Your communications software is You may have a bad phone connection. Try placing the call again. The phone reporting many cyclic redundancy check company routes calls differently each (CRC) errors and low characters per time.
Page 71 ROUBLESHOOTING AND NLINE ESOURCES Problem Diagnoses Solutions Errors are occurring constantly in your You may not be using the ideal modem Enter the following initialization string in V.17 fax transmissions. initialization string for fax transmissions. your software setup screen: AT&H3&I2&R2S7=90. You may have a memory resident Some memory resident programs can program running in the background.
Page 72: Online Help Resources
ROUBLESHOOTING AND NLINE ESOURCES Online Help Resources Connecting to the 3Com BBS To connect to the 3Com Bulletin Board System, follow these steps: 1. Start RapidComm. The software settings for the BBS are: ANSI terminal emulation Data Bits: 8 3. Type the following command: ATDS0 and Parity: None press ENTER.
Page 73: Downloading The Technical Reference Guide
ROUBLESHOOTING AND NLINE ESOURCES If this is your first time connecting to our BBS, Using the BBS, you can send a message to you will be asked to enter your name and a Technical Support, or access the password and to fill out a questionnaire. U.S.
Page 74 ROUBLESHOOTING AND NLINE ESOURCES (This is what the main menu will look like.) Protocol Type for Transfer. Your A Filename to Download: text box selection depends on what your software appears on the screen. supports. If possible, make Zmodem your first choice.
Page 75: World Wide Web
ROUBLESHOOTING AND NLINE ESOURCES Internet FTP CompuServe The FTP site contains the same files as the Access U.S. Robotics Support and Service by BBS site. FTP to ftp.usr.com. selecting GO USRobotics. Internet on Demand America Online Provides automatic technical support through a Connect to U.S.
Page 76 ROUBLESHOOTING AND NLINE ESOURCES No-Hold Service When you call, specify your modem serial number (found on the modem and on the U. S. Robotics also staffs its own 900 toll outside of the box), the software being number for immediate assistance. These lines used, and, if possible, the contents of your are staffed from 8 a.m.
Page 77: Rapidcomm Troubleshooting Tips
ROUBLESHOOTING AND NLINE ESOURCES PROBLEM: The station ID works Ship to the following address: intermittently. 3Com Corporation DIAGNOSIS: Under certain circumstances Attn: RMA (including receiving a fax), the station ID may SRO# not work properly. 6201 W. Oakton, East Dock Morton Grove, IL 60053 PROBLEM: RapidComm does not work properly at 115.2 Kbps.
Page 78 ROUBLESHOOTING AND NLINE ESOURCES A Note to Users with Older Versions of RapidComm on Their Systems You must uninstall older versions of RapidComm from your system before installing the most recent version (contained on the CD- ROM that came with your new 56K modem). Otherwise you may introduce conflicts in your system that will hamper RapidComm’s ability to work properly.
Page 79: Using Modem Station
SING ODEM TATION Modem Station can automatically detect Why Modem Station? your modem and provide you with all the Modem commands can be confusing and technical information you need, whenever difficult to memorize. you need it! Communications software often needs Installing Modem Station technical information about your modem.
Page 80 SING ODEM TATION Double-click the umssetup icon. When you see this screen, click Next to accept the default directory or choose You will be asked whether you wish to Browse to change directories. install Modem Station. Click Yes. Wait a few moments for the Installation Wizard to load.
Page 81 SING ODEM TATION 10. Clicking Next in the following screen 11. When you see the next screen, click Finish accepts the default program folder. You to complete the installation. can place Modem Station in an existing folder by selecting one from the list. If this is the first time you’ve installed Modem Station, you may be asked to restart your computer.
Page 82: Starting Modem Station
SING ODEM TATION Starting Modem Station If you didn’t start Modem Station from the Setup Program, please start it now. Click Start and point to Programs. Select U.S. Robotics Modem Station (or the folder you selected during installation). Double-click the Modem Station icon. This brings up the main menu shown on the right.
Page 83 SING ODEM TATION The main menu gives you direct access to responses. You can use Terminal to dial up the following options: BBSs. In addition, you can configure your modem using Terminal. However, it is much DETECT NEW MODEMS easier to use the Modem Configurator. TERMINAL MODEM CONFIGURATOR MODEM CONFIGURATOR...
Page 84: Using Detect New Modems
SING ODEM TATION CONTACT/SUPPORT This option details how to get in touch with U.S. Robotics. TIP: For your convenience, we provide many on-line support avenues. For specific questions, our fax-on-demand service is a good place to start. You can download FAQs, software, and help files from our Web sites and BBS, The screen consists of four columns, one for or receive individualized support...
Page 85 SING ODEM TATION When the scan finishes, you will see the OK” under the heading. If a port displays a following display. Your display may differ “Port Error”, it usually means that the port is depending on the type and number of disabled in system setup.
Page 86: Using Terminal
SING ODEM TATION previous connections, firmware dates, etc. This next section details using the Terminal option. Using Terminal You can access Terminal from either the main menu or the Detect New Modems screen. Clicking Terminal to bring up the Terminal window.
Page 87 SING ODEM TATION modem. We discuss port speed settings in detail later in this section. NOTE: Modem Station’s Terminal includes a basic auto dialer. Terminal window is provided To have Terminal dial a number for you, click primarily for troubleshooting convenience.
Page 88: Using Modem Configurator
SING ODEM TATION When you are finished using Terminal, click on The Modem Configurator menu gives you Exit to return to the screen you accessed it access to the following options: from. DATA CONTROL CONNECTION CONTROL Using Modem Configurator MODEM TO COMPUTER CONNECTION RATES You can access Modem Configurator from DIALING/ANSWERING...
Page 89 SING ODEM TATION The Data Control screen allows you to assign the settings so that you do not have to re-enter the following basic communications settings: them. PORT SPEED This screen also displays the default DIP PARITY switch settings. STOP BITS WORD FLOW CONTROL TECHNICAL STUFF:...
Page 90 SING ODEM TATION Click on the Connection Control button to Use the Connections Control screen to bring up this screen. configure the following settings: DATA TERMINAL READY (DTR) ERROR CORRECTION DATA COMPRESSION CARRIER DETECT For detailed information about these settings, refer to the Glossary or the Technical Quick Reference sections of this manual.
Page 91: Using Modem To Computer
SING ODEM TATION control what you see on your terminal screen Click on the Help button for quick definitions and how results are displayed. of terminology used in this screen. If you look in the upper right hand corner of the display, you will see the commands Once you have configured your Connection currently in use.
Page 92 SING ODEM TATION Once you configure your settings, click on TIP: Save To Modem to save your choices. There are few things more annoying than typing ATDT and seeing CONNECTION RATES ‘AATTDDTT’ on your screen. This The Connection Rates screen allows you to happens when both your software and configure modem speeds and protocols.
Page 93 SING ODEM TATION DIALING/ANSWERING In the upper left hand corner of the screen you will see the current connection commands. The next screen allows you to adjust how your modem initiates and receives calls. This screen allows you to configure the following settings: MODULATIONS V.34 SYMBOL RATES...
Page 94 SING ODEM TATION TECHNICAL STUFF: “Negotiation” is what all that squawking is about when two modems connect. The modems exchange information about their respective protocols and configurations. Once they agree on the fastest protocol they can both To store a number in your modem’s memory, handle, transmission begins.
Page 95 SING ODEM TATION You can change stored numbers by highlighting Modem Station. When you select Restore them and then typing the new numbers in their Defaults, you will see a confirmation screen place. Once you store your numbers, you can asking if you are dial them by entering this command from sure you want to Restore Defaults.
Page 96: The Extended Information Screens
SING ODEM TATION The Extended Information Screens Extended Information provides access to specialized technical information about your modem. Extended Information makes it more efficient and convenient for a technician to gain access to that information. If you need to call Customer Support for assistance with your modem, the Support representative may instruct you to go into the Extended Information screens if needed to...
Page 97: Glossary
LOSSARY answer mode Cross references are printed in boldface. The mode used by your modem when Cross references with items in the Command answering an incoming call from an originating Summary, found in the Technical Quick modem. The transmit/receive frequencies are Reference, are printed in italics.
Page 98 LOSSARY ASCII auto dial American Standard Code for Information A process where your modem dials a call for Interchange. A code used to represent letters, you. The dialing process is initiated by sending numbers, and special characters such as $, !, an ATDT (dial tone) or ATDP (dial pulse) and /.
Page 99 LOSSARY bit rate byte Also referred to as transmission rate. The A group of binary digits stored and operated number of binary digits, or bits, transmitted upon as a unit. In user documentation, the term per second (bps). Communications channels usually refers to 8-bit units or characters.
Page 100 LOSSARY characters per second (CPS) cyclic redundancy checking (CRC) A data transfer rate generally estimated from An error-detection technique consisting of a the bit rate and the character length. For test performed on each block or frame of data example, at 2400 bps, 8-bit characters with by both sending and receiving modems.
Page 101 LOSSARY data mode dictionary The mode used by a faxmodem to send and The term used for compression codes built by receive data. the V.42 bis data compression algorithm. digital loopback Data communications (or Circuit- A test that checks the modem's RS-232 Terminating) equipment, such as dial-up interface and the cable that connects the modems that establish and control the data link...
Page 102 LOSSARY facsimile Data terminal (or terminating) equipment. A A method for transmitting the image on a page computer that generates or is the final from one point to another. Commonly referred destination of data. to as fax. duplex fax mode Indicates a communications channel capable of The mode in which the faxmodem is capable of carrying signals in both directions.
Page 103 LOSSARY frame A data communications term for a block of Hertz, a frequency measurement unit used data with header and trailer information internationally to indicate one cycle per attached. The added information usually second. includes a frame number, block size data, ITU-T error-check codes, and Start/End indicators.
Page 104 LOSSARY LAPM Link Access Procedure for Modems. An Microcom Networking Protocol, an error- error-control protocol defined in ITU-T control protocol developed by Microcom, Recommendation V.42. Like the MNP Inc., and now in the public domain. There are protocols, LAPM uses cyclic redundancy several different MNP protocols, but the most checking (CRC) and retransmission of commonly used one ensures error-free...
Page 105 LOSSARY nonvolatile memory (NVRAM) originate mode User-programmable random access memory The mode used by your modem when initiating whose data is retained when power is turned an outgoing call to a destination modem. The off. On the Sportster, it includes four stored transmit/receive frequencies are the reverse of phone numbers and the modem settings.
Page 106 LOSSARY protocol remote echo A system of rules and procedures governing The sending system displays data sent to the communications between two or more devices. remote system. Remote echoing is a function of Protocols vary, but communicating devices the remote system. must follow the same protocol in order to exchange data.
Page 107 LOSSARY terminal A device whose keyboard and display are The ITU-T standard specification that covers used for sending and receiving data over a the initial handshaking process. communications link. Differs from a V.17 fax microcomputer or a mainframe in that it has An ITU-T standard for making facsimile little or no internal processing capabilities.
Page 108 LOSSARY V.22 bis V.32 An ITU-T standard for modem An ITU-T standard for modem communications at 2400 bps. The standard communications at 9600 bps and 4800 bps. includes an automatic link negotiation fallback V.32 modems fall back to 4800 bps when line to 1200 bps and compatibility with Bell quality is impaired.
Page 109 LOSSARY V.42 Xmodem An ITU-T standard for modem The first of a family of error control software communications that defines a two-stage protocols used to transfer files between process of detection and negotiation for modems. These protocols are in the public LAPM error control.
Page 110 LOSSARY Ymodem G Similar to Ymodem, except it includes no error checking, which makes it faster. Zmodem Similar to Xmodem and Ymodem, except it includes batch transfer, the ability to recover from a partially complete transfer, an autostart feature, and improved efficiency...
Page 111: Technical Quick Reference
ECHNICAL UICK EFERENCE This section includes information about: Command Summary S-Registers...
Page 112: Command Summary
ECHNICAL UICK EFERENCE Command Summary The maximum command length is 58 characters. The modem doesn’t Type commands in either count the AT prefix, carriage upper or lower case, not a returns, or spaces. combination. Use the Backspace key to delete errors.
Page 113 ECHNICAL UICK EFERENCE Command Set U.S./ITU-T answer Displays a basic command list; sequence. online help. ITU-T answer Manual Answer: goes off hook sequence in answer mode. Pressing any U.S. answer tone key aborts the operations. Dials the specified phone Re-executes the last issued number.
Page 114 ECHNICAL UICK EFERENCE (n = 0 3). Phone numbers are stored Wait for second dial with the &Zn=s tone (X2 or X4); command. linked to S6 register. Tone dial Dials, waits for quiet (Comma) Pause, See answer, and continues S8 definition; to which (X3 or higher).
Page 115 ECHNICAL UICK EFERENCE Results of ROM Sets online local echo of checksum transmitted data ON/OFF. Results of RAM Local echo ON. checksum Modem sends a copy Product type of data it sends to the Current modem remote system to your settings screen.
Page 116 ECHNICAL UICK EFERENCE Displays contents of S- Returns online. Register r. Returns online. Returns online and Displays a list of the S- retrains. Registers. Sets pulse dial (for phone Sets tone dial. lines that don’t support Displays verbal/numeric touch-tone dialing). result codes.
Page 117 ECHNICAL UICK EFERENCE Sets result code displayed. Default is X4. Xn Setting Result Codes 0/OK 1/CONNECT 2/RING 3/NO CARRIER 4/ERROR 5/CONNECT 1200 6/NO DIAL TONE 7/BUSY 8/NO ANSWER* 10/CONNECT 2400 13/CONNECT 9600 18/CONNECT 4800 20/CONNECT 7200 21/CONNECT 12000 25/CONNECT 14400 43/CONNECT 16800 85/CONNECT 19200 91/CONNECT 21600...
Page 118 ECHNICAL UICK EFERENCE Xn (continued) Xn Setting Functions X3 X4 Adaptive Dialing Wait for 2nd Dial Tone (W) Wait for Answer (@) Fast Dial *Requires @ in dial string; replaces NO CARRIER...
Page 119 ECHNICAL UICK EFERENCE Resets modem to Selects power-on/reset factory default profile default configuration. 1 (&F1) Default is profile 0 Resets modem to setting in NVRAM factory default profile Default is profile 1 2 (&F2) setting in NVRAM &$ Displays a list of Resets modem.
Page 120 ECHNICAL UICK EFERENCE (error control) and &D1 DTR toggle causes V42 bis/MNP5 (data online Command compression) mode &D2 Normal DTR &Bn Manages modem’s serial operations port rate. &D3 Resets on receipt of &B0 Variable, follows connection rate &Fn Loads a read-only (non- &B1 Fixed serial port rate programmable) factory...
Page 121 ECHNICAL UICK EFERENCE &H3 Hardware and &Gn Sets Guard Tone. software flow control &G0 No guard tone, U.S. &In Sets Receive Data (RD) and Canada software flow control (see &G1 550 Hz guard tone, also &Rn). some European countries, requires B0 &I0 Software flow setting.
Page 122 ECHNICAL UICK EFERENCE &K0 Data compression disabled &Nn Sets connect speed. If modem cannot connect at &K1 Auto enable/disable this speed, the modem will &K2 Data compression hang up. Sets ceiling enabled connect speed if &Un is &K3 MNP5 compression greater than 0.
Page 123 ECHNICAL UICK EFERENCE &N14 28,800 bps &Pn Sets pulse (rotary) dial &N15 31,200 bps make/break ratio. &N16 33,600 bps &P0 U.S./Canada ratio, &N17 33,333 bps 39%/61% &N18 37,333 bps &P1 U.K. ratio, 33%/67% &N19 41,333 bps &N20 42,666 bps &Rn Sets Receive Data (RD) &N21 44,000 bps hardware flow control, &N22 45,333 bps...
Page 124 ECHNICAL UICK EFERENCE &Tn Begins test modes. &Un Sets floor connect speed &T0 Ends testing when &Un is set greater &T1 Analog Loopback than 0. &Nn is the ceiling &T2 Reserved connect speed. See &Nn. &T3 Local Digital &U0 Disabled Loopback &U1 300 bps &T4...
Page 125 ECHNICAL UICK EFERENCE &U16 33,600 bps &Wn Writes current &U17 33,333 bps configuration to NVRAM &U18 37,333 bps templates. &U19 41,333 bps &W0 Modifies the NVRAM &U20 42,666 bps 0 template (Y0) &U21 44,000 bps &W1 Modifies the NVRAM &U22 45,333 bps 1 template (Y1) &U23 46,666 bps &U24 48,000 bps...
Page 126 ECHNICAL UICK EFERENCE &Zn=s Writes phone number string s to NVRAM at position n (n = 0 3). &Zn=L Writes last executed dial string to NVRAM at position n (n = 0 3). &Zn? Displays the phone number stored at position n (n = 0 &ZL? Displays the last executed dial string.
Page 127: S-Registers
ECHNICAL UICK EFERENCE S-Registers To change a setting, use the ATSr=n command, where r is the register and n is a decimal value from 0 255 (unless otherwise indicated). Register Default Function Sets the number of rings on which to answer in Auto Answer Mode. When set to 0, Auto Answer is disabled.
Page 128 ECHNICAL UICK EFERENCE Register Default Function Sets the number of seconds the modem waits before dialing. If Xn is set to X2 or X4, this is the time-out length if there isn' t a dial tone. Sets the number of seconds the modem waits for a carrier. May be set for much longer duration if, for example, the modem is originating an international connection.
Page 129 ECHNICAL UICK EFERENCE Register Default Function (continued) A better alternative is to ask your phone company how to temporarily disable call waiting (usually *70W). For example: ATDT *70W phone number. Note: If you set S10 = 255, the modem will not hang up when carrier is lost. Dropping DTR hangs up the modem.
Page 130 ECHNICAL UICK EFERENCE Register Default Function S13 (cont.) Value Result On DTR signal, auto dial the number stored in NVRAM at position 0. At power on/reset, Auto Dial the number stored in NVRAM at position 0. Reserved Reserved Disconnect on escape code. * The 1.5K-byte non-ARQ buffer allows data transfer with Xmodem- and Ymodem-type file transfer protocols without using flow control.
Page 131 ECHNICAL UICK EFERENCE Register Default Function S15 (cont.) Value Result Disable ARQ/MNP for V.22. Disable ARQ/MNP for .22bis. Disable ARQ/MNP V.32/V.32bis/V.32terbo. Disable MNP handshake. Disable MNP level 4. Disable MNP level 3. MNP incompatibility. Disable V.42 operation. Bit-mapped register setup. To set the register, see instructions for S13. Value Result Reserved Touch tone dialing test.
Page 132 ECHNICAL UICK EFERENCE Register Default Function Test timer for &T loopback testing. Sets the time in seconds of testing before the modem automatically times out and terminates the test. When set to 0, the timer is disabled. Valid range is 1-255. Sets the duration, in minutes, for the inactivity timer.
Page 133 ECHNICAL UICK EFERENCE Register Default Function Sets the duration, in hundredths of a second, that DTR must be dropped so that the modem doesn’t interpret a random glitch as a DTR loss. (Most users will want to use the default; this register is useful for setting compatibility with older systems running under older operating software.) Reserved Bit-mapped register setup.
Page 134 ECHNICAL UICK EFERENCE Register Default Function S27 (cont.) Value Result Disables V.32bis mode. Reserved Software compatibility mode. This setting disables the codes and displays the 9600 code instead. The actual rate of the call can be viewed on the ATI6 screen.
Page 135 ECHNICAL UICK EFERENCE Register Default Function Bit mapped register setup for the 28.8 and higher speed modems only. To set the register, see the instructions for S13. Value Result V.8 Call Indicate enabled. Enables V.8 mode. Disable V.34 modulation. Disable 33.6 Kbps support. 32-128 Reserved Bit mapped register setup for the 28.8 and higher speed modems only.
Page 136 ECHNICAL UICK EFERENCE Register Default Function S33 (cont.) Value Result Reserved Disable shaping. Bit mapped register setup for the 28.8 and higher speed modems only. To set registers, see instructions for S13. Value Result Disable 8S-2D trellis encoding. Disable 16S-4D trellis encoding. Disable 32S-2D trellis encoding.
Page 137 ECHNICAL UICK EFERENCE Register Default Function Sets an optional delay, in seconds, before a forced hang-up and clearing of the Transmit buffer when DTR drops during an ARQ call. This allows time for a remote modem to acknowledge receipt of all transmitted data before it is disconnected.
Page 138 EGULATORY NFORMATION received including interference that may cause Manufacturer’s Declaration undesired operations. of Conformity Part 68: 3Com Corporation This equipment complies with FCC Rules Part 7770 North Frontage Road 68. Located on the bottom of the modem is Skokie, Illinois 60077-2690 the FCC Registration Number and Ringer U.S.A.
Page 139 EGULATORY NFORMATION IC (Canada) This equipment uses the following USOC This digital apparatus does not exceed the jacks: RJ11C. Class B limits for radio noise emissions from digital apparatus set out in the interference- This equipment may not be used on coin causing equipment standard entitled Digital service provided by the telephone company.
Page 140: Regulatory Information
EGULATORY NFORMATION Connecting to the Telephone Company Fax Branding It is not necessary to notify the telephone The Telephone Consumer Protection Act of company before installing the modem. 1991 makes it unlawful for any person to use a However, the telephone company may computer or other electronic device, including request the telephone number(s) to which the fax machines, to send any message unless such...
Page 141: Radio And Television Interference
EGULATORY NFORMATION In order to program this information into your However, there is no guarantee that Sportster, refer to the RapidComm manual on interference will not occur in a particular the CD-ROM that shipped with your modem. installation. If this device does cause If you’re using a different communications interference to radio or television reception, software program, refer to its manual.
Page 142: For Canadian Modem Users
EGULATORY NFORMATION For Canadian Modem Users If necessary, consult your dealer or an NOTICE: The Industry Canada (IC) label experienced radio/television technician for identifies certified equipment. This certification additional suggestions. You may find the means the equipment meets certain following booklet, prepared by the Federal telecommunications network protective, Communications Commission, helpful: operational, and safety...
Page 143 EGULATORY NFORMATION In some cases, the company’s inside wiring For your own protection, make sure that the associated with a single-line, individual service electrical ground connections of the power may be extended by means of a certified utility, telephone lines, and internal metallic connector assembly (telephone extension water pipe system, if present, are connected cord.) The customer should be aware that...
Page 144 EGULATORY NFORMATION The Ringer Equivalence Number is located on l’utilisateur. Avant d’installer ce matériel, the bottom of the modem’s case (external l’utilisateur doit s’assurer qu’il est permis de le modems) or on the modem’s circuit board raccorder aux installations de l’enterprise (internal modems).
Page 145 EGULATORY NFORMATION électrique, des lignes téléphoniques et des L'Indice d'Equivalence de la Sonnerie (IES) canalisations d’eau métalliques, s’il y en a, sont est situé au revers du modem (modems raccordé ensemble. Cette précaution est externes), ou sur le circuit imprimé (modems particulièrement importante dans les régions internes).
Page 146: Limited Warranty
EGULATORY NFORMATION UNINTERRUPTED SERVICE. REPAIR Limited Warranty OR REPLACEMENT AS PROVIDED U.S. Robotics Access Corp., a subsidiary UNDER THIS LIMITED WARRANTY of 3Com Corporation, warrants to the IS THE EXCLUSIVE REMEDY OF THE original end-user purchaser that this PURCHASER. THIS LIMITED product will be free from defects in WARRANTY IS IN LIEU OF ALL materials and workmanship for a period of...
Page 147 EGULATORY NFORMATION REALIZE SAVINGS OR OTHER 3Com Corporation, 7770 N. Frontage Road, BENEFITS, LOSS OF DATA OR USE, Attn.: Technical Support Dept., Skokie, Illinois DAMAGE TO EQUIPMENT, AND 60077-2690. You will be given a Service CLAIMS AGAINST THE PURCHASER Repair Order (“SRO”) number to help 3Com BY ANY THIRD PERSON, EVEN IF keep track of your limited warranty request.
Page 148: Index
INDEX America Online, U.S. Robotics online support baud rate, 98 and, 75 binary digit, 98 American Standard Code for Information bit rate, 98 Interchange. See ASCII bits per second (bps), 98 analog loopback, 97, 119 buffer, 98 analog phone lines, vs. digital, 5 byte, 98 analog signals, 97 answer mode, 97...
Page 149 INDEX comdrivers, outdated, 71 digital loopback, 100, 119 commands summary, 108-121 digital signals, 100 communications software and, DTE. See data terminal (terminating) flow control, 51 equipment installation 51-52 duplex, 101 CompuServe, U.S. Robotics online support and, 75 CRC. See Cyclic Redundancy Checking error control, 90, 101, 115, 117 Cyclic Redundancy Checking (CRC), 70, 99 facsimile (fax), 101...
Page 150 INDEX memory resident programs, 70, 71 half duplex, 101 Microcom Networking Protocol (MNP), 102, hertz (Hz), 102 International Telegraph and Telephone Nonvolatile memory (NVRAM), 103, 108, Consultative Committee (ITU-T), 102 IRQs, 55 NVRAM. See Nonvolatile memory ISA expansion slots, 3 ITU-T.
Page 151 INDEX RAM(random access memory), 103 Technical Reference Guide, downloading, 73- random access memory. See RAM RapidComm throughput, 104 faxing with, 48-50 troubleshooting, 67-78 installing, 33-48 troubleshooting, 77-78 read-only memory (ROM), 104 V.17 fax transmissions, errors and, 59 remote digital loopback, 104, 119, 127 remote echo, 104 World Wide Web (WWW), U.S.
Page 152 INDEX Ymodem, 106 Ymodem G, 106 Zmodem, 106...

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