This manual covers installation and operating instructions for the following 3Com® U.S. Robotics® modems: Sportster® Voice 33.6 kbps internal modems 3Com, the 3Com logo, U.S. Robotics, the USRobotics logo, and Sportster are registered trademarks; Connections, Total Control, Courier, RapidComm, x2, and the x2 logo are trademarks and Towne Square 2000 is a service mark of 3Com Corporation or its subsidiaries. Windows and Internet Explorer are registered trademarks of Microsoft Corp.
TABLE OF CONTENTS Before You Begin (Windows 95 Users) Determining Available Resources Determining Your Version of Windows 95 Upgrading to x2 Technology Modem Installation with Windows 3.
TABLE OF CONTENTS Installing Other Fax/Data Software Type of Modem Initialization String Flow Control U.S.
TABLE OF CONTENTS Caution to the User IC (Canada) UL Listing/CUL Listing Connecting to the Telephone Company Fax Branding Radio and Television Interference For Canadian Modem Users Limited Warranty Index iv 139 139 139 140 140 141 142 145 148
BEFORE YOU BEGIN (WINDOWS® 95 USERS) Determining Available Resources Your Sportster® Voice modem is a Plug and Play device. Windows™ 95 can automatically identify a Plug and Play device and determine if your system has the resources necessary to support the device. However, Plug and Play will not work if you do not have resources available or if devices on your system are not reporting resource usage correctly.
BEFORE YOU BEGIN (WINDOWS 95 USERS) Determining Your Version of Windows 95 Windows 95 version _________________ Follow these steps to determine your version of Windows 95. This information will be important during installation. 1. Click the My Computer icon on your desktop with the right mouse button. 2. Click Properties. 3. In the “System Properties” screen, look at the system information under the General tab (circled in the following screen image).
MODEM INSTALLATION WITH WINDOWS® 3.X You’ll need these items from your Sportster ® modem box: modem phone cord Connections™ CD microphone Plus: a screwdriver (not included) A Word about COM Ports and IRQs Most computer accessories — a mouse, sound card, enhanced graphics card, scanner, etc. — require a special connection through which they can communicate with the computer. For some devices, this connection is called a communications (or COM) port.
MODEM INSTALLATION WITH WINDOWS 3.X processing unit (CPU) so that the accessory can perform a task. The computer stops what it’s doing, depending on the priority of the request, to help the accessory perform its task. When two accessories share an IRQ, it’s like two people asking different questions in unison to a third person.
MODEM INSTALLATION WITH WINDOWS 3.X How to Use ComTest to Determine Your Modem’s Settings 1. Insert the Connections CD into your CDROM drive. determine which COM and IRQ settings the older modem is using. • If a modem is not currently installed in your computer, click Recommend settings for a new modem. 2. In Windows’ Program Manager, click Run on the File menu. Type d:\comtest.exe and press ENTER.
MODEM INSTALLATION WITH WINDOWS 3.X 4. Click Internal Modem. Then click Next. 5. If you have a free setting, you will see a screen like this. 6 COM2/IRQ3 is free in this example. ComTest might instead recommend COM1/IRQ4, COM3/IRQ4, or COM4/IRQ3 for your modem. Write down the displayed settings. You’ll need to know these settings later. Click Next. If you do not have a free setting, you will see a screen like this.
MODEM INSTALLATION WITH WINDOWS 3.X Click Finish to exit ComTest. Go to “What to Do with ComTest’s Recommendation” on page 8. 6. When you see this screen, click Finish to exit ComTest. Go to “What to Do with ComTest’s Recommendation” on page 8. Testing an Installed Modem If there is a modem already installed in your computer, you can determine its COM and IRQ settings by selecting the Test an installed modem option.
MODEM INSTALLATION WITH WINDOWS 3.X What to Do with ComTest’s Recommendation NOTE: If your communications software requires a modem that ComTest does not recommend, there is a good chance that the setting is being used by another device in your system. To free that setting in your system, consult your computer’s manual. Go to “How to Change the Modem’s Settings” on page 10. If ComTest recommended COM1/IRQ4 Write down “COM1” and “IRQ4” somewhere where it will be handy during software installation.
MODEM INSTALLATION WITH WINDOWS 3.X If you do not have a sound card, use COM3/IRQ5. Write “COM3” and “IRQ5” somewhere where it will be handy during software installation. You will have to change the settings on your modem. Go to “How to Change the Modem’s Settings” on page 10. into that port will not work after the port has been disabled. • Then return to this point in this manual to continue. If you do have a sound card, use COM2/IRQ3.
MODEM INSTALLATION WITH WINDOWS 3.X • Find out which socket is COM1 and which is COM2. • If nothing is plugged into either port, you may choose either of the ports to disable. Your computer manufacturer’s manual will tell you how to disable the COM port. • If one port does not have anything plugged into it, note if the port is COM1 or COM2. This is the port you’ll want to disable for your modem.
MODEM INSTALLATION WITH WINDOWS 3.X modem’s jumper pins (see the following diagram). 3. To change the COM port and IRQ settings, you need to reposition the jumper shunts on the COM port and IRQ pins. To do this, lift the jumper shunts off the pins. TIP: Grasp the jumper shunts with a tweezers or needle-nosed pliers. DO NOT grasp too firmly, as you may crush the jumper shunts. If a jumper shunt seems stuck, gently rock it back and forth as you lift.
MODEM INSTALLATION WITH WINDOWS 3.X 4. Move the jumper shunt to the new setting. • The COM port setting can involve one to three shunts. The four possible COM port settings are as follows: 0 0 1 1 SE L COM 1 SE L COM 2 0 0 1 1 SE L COM 3 SE L COM 4 • Unlike most COM port settings, the IRQ setting involves only one jumper shunt. Simply move the jumper shunt to the pins labeled with the IRQ you need.
MODEM INSTALLATION WITH WINDOWS 3.X 1. Turn off your computer and unplug it from the electrical outlet. 2. Unplug any peripheral devices (printer, monitor, keyboard, mouse, etc.) from the computer. TIP: Before you unplug anything, label the cords or make a sketch of how things are connected. This can be helpful when you plug things back in later. 3. Remove the screws from your computer’s cover and then remove the cover, as shown in the following diagrams.
MODEM INSTALLATION WITH WINDOWS 3.X 4. Find an empty ISA expansion slot at least as long as the gold edge of your modem. (ISA slots have black plastic grooves lined with silver.) Unscrew and remove the expansion slot cover (the long narrow piece of metal that keeps dust from entering through the opening perpendicular to the slot). Be careful not to drop the screw into the computer. You will need it later to screw the modem into place. 14 5.
MODEM INSTALLATION WITH WINDOWS 3.X modem all the way into the slot. If you feel resistance, the modem may not be properly lined up with the slot. Do not force it into the slot. Remove the modem and try again. 8. If you currently have a phone plugged into the wall jack you plan to use for the modem, disconnect the phone’s cord from the jack. WARNING : The phone jack you use must be for an ANALOG phone line (the type found in most homes). Many office buildings have digital phone lines.
MODEM INSTALLATION WITH WINDOWS 3.X 13.If you have your modem set to COM1/IRQ4 or COM2/IRQ3, go to “Software Installation and Testing” on page 33. If you have your modem configured to any other setting, open Program Manager and double-click the Main icon. NOTE: You cannot use the modem and a phone at the same time if they share the same telephone line. 11. Plug the microphone included with your modem into the MIC jack on the modem. 12.
MODEM INSTALLATION WITH WINDOWS 3.X 14.Double-click the Control Panel icon. 16.If it’s not already selected, click the COM port for your modem. Then click Settings. 15.Double-click the Ports icon. 17. Click Advanced.
MODEM INSTALLATION WITH WINDOWS 3.X 18.In the Interrupt Request Line (IRQ) box, select the IRQ that ComTest recommended. 19.Click OK. 18 You will see a brief series of screens after the preceding screen. Click OK on each screen until you see a screen with a Close button. Click Close to exit Program Manager. You are now ready to install the software on the Connections CD-ROM (included with your Sportster modem).
® MODEM INSTALLATION WITH WINDOWS 95 You will need these items from your Sportster ™ modem box: modem Connections™ CD Plus: a screwdriver (not included) phone cord microphone Since your new Sportster is a “Plug and Play” device, Windows 95 may be able to detect your modem automatically after you plug it into your computer. The operating system should do all the work of recognizing the modem for you. How to Prepare for Plug and Play Installation 1.
MODEM INSTALLATION WITH WINDOWS 95 3. Find the jumper shunts (small black plastic pieces) on the COM port and IRQ jumper pins on your modem. They should be in roughly the area indicated in the following illustration. When doing a “Plug and Play” installation, the jumper shunts should be placed so that they are hanging from single jumper pins rather than on pairs of pins. Move your 20 jumper shunts so they are hanging as in the following diagram.
MODEM INSTALLATION WITH WINDOWS 95 How to Insert the Modem into the Computer NOTE: Before installing your modem, write down its serial number. (You’ll find the serial number underneath the bar code on the white sticker on the modem and on the outside of the box the modem came in.) If you ever need to call our customer support department, a customer support representative will ask you for the serial number. This will help him or her identify your Sportster modem. 1.
MODEM INSTALLATION WITH WINDOWS 95 in the following diagrams. Your computer may differ in appearance from these diagrams, but the basic principle for removing the cover should be the same. Refer to your computer manufacturer’s manual if you need further instructions. 22 4. Find an empty ISA expansion slot that’s at least as long as the gold edge of your modem. (ISA slots are black plastic grooves lined with metal.
MODEM INSTALLATION WITH WINDOWS 95 5. Holding the modem at each corner, with the gold edge facing the slot, push the modem down as gently as possible until it snaps into the expansion slot. (NOTE: The following diagram shows horizontally aligned expansion slots. Some computers have vertically aligned slots. The instructions apply to both styles.) You need to apply a little pressure to seat the modem properly. Sometimes a gentle back-and-forth motion helps fit the modem all the way into the slot.
MODEM INSTALLATION WITH WINDOWS 95 this jack, disconnect the telephone cord from the jack. WARNING : The phone jack you use must be for an ANALOG phone line (the type found in most homes). Many office buildings have digital phone lines. Be sure you know which type of line you have. The modem will be damaged if you use a digital phone line. 9. Plug one end of the phone cord included with the modem into the TELCO jack at the rear of the modem. Plug the other end of the cable into the wall jack. 10.
MODEM INSTALLATION WITH WINDOWS 95 13.Plug the power cords, cables, and peripherals back into the computer and turn on the computer. Installing the Modem Drivers NOTE: If you wrote “950b” on page 2 of this User’s Guide, go to “Installing Modem Drivers with Windows 95 Version 950b” on page 29. Otherwise, follow these instructions. Installing Modem Drivers with Windows 95 Versions 950 and 950a Click Driver from disk provided by hardware manufacturer. Then click OK.
MODEM INSTALLATION WITH WINDOWS 95 2. When you see this screen, insert the Connections CD into your CD-ROM drive and type D:\ to replace the A:\. (NOTE: If your CD-ROM drive has a different letter name, type that letter instead of D.) Click OK. Windows will load the modem’s drivers. 26 3. Once Windows finishes loading the information from the CD-ROM, you should verify that the modem installation was a success. When your desktop returns, click the Windows Start button and point to Settings.
MODEM INSTALLATION WITH WINDOWS 95 4. Double-click the Modems icon (circled in the screen image below). 5. In the “Modems Properties” screen, you should see “Sportster 33600 Voice Internal PnP” listed.
MODEM INSTALLATION WITH WINDOWS 95 This means the installation was a success. Click OK. NOTE: If you do not see your modem listed in the preceding screen, the Plug and Play installation was unsuccessful. Please refer to “When Plug and Play Fails” on page 95. 6. Next, click the Diagnostics tab at the top of the “Modems Properties” screen. Write down the COM setting for your modem. (NOTE: Your screen may show a different setting than that shown in the following screen.
MODEM INSTALLATION WITH WINDOWS 95 Installing Modem Drivers with Windows 95 Version 950b 2. When you see the following screen, click Finish. 1. When Windows restarts, it should detect the modem (see following screen image). Insert the Connections CD and click Next. NOTE: If this screen does not appear, go to the section titled “When Plug and Play Fails” on page 95.
MODEM INSTALLATION WITH WINDOWS 95 3. Once Windows 95 has installed the modem’s drivers, you will see the following screen. This screen tells you which communications port your modem is installed to. (NOTE: Your screen may show a different COM port.) Make a note of the COM port setting. You will need this information later when you installing the software on the CD-ROM. Remove the CD from your CD-ROM drive and click OK. Windows will restart. 30 4.
MODEM INSTALLATION WITH WINDOWS 95 5. Double-click the Modems icon (circled in the screen image below). 6. In the “Modems Properties” screen, you should see “Sportster 33600 Voice Internal PnP” listed.
MODEM INSTALLATION WITH WINDOWS 95 This means the installation was a success. Click OK. NOTE: If you do not see your modem listed in the preceding screen, the Plug and Play installation was unsuccessful. Please refer to “When Plug and Play Fails” on page 95. 7. Next, click the Diagnostics tab at the top of the “Modems Properties” screen. Write down the COM setting for your modem. (NOTE: Your screen may show a different setting than that shown in the following screen.
SOFTWARE INSTALLATION AND TESTING Software Installation and Registration Using the Setup Wizard This section guides you through the U.S. Robotics Setup Wizard, the Connections™ CD-ROM interface, and the installation of RapidComm™ Voice fax/data/voice software. It also shows you how to register and test your new Sportster modem. RapidComm Voice fax/data/voice software simplifies sending and receiving faxes directly from your computer desktop.
SOFTWARE INSTALLATION AND TESTING 1. From the Windows 95 desktop, click the Start button and then click Run. 3. You will briefly see a screen that looks like this. 4. When you are asked if you wish to run the Setup Wizard, click Yes. 2. In the 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.
SOFTWARE INSTALLATION AND TESTING 5. This is the Setup Wizard’s “Welcome” screen. After reading the screen, click Next. NOTE: Check the COM port setting against the setting you wrote down during the hardware installation. 6. When you see the following screen, select your modem from the list and select the correct COM port setting in the Port box. Then click Next.
SOFTWARE INSTALLATION AND TESTING 7. When you see the next two screens, fill in the blank boxes with the appropriate information, using the TAB key to move between fields. Click Next on each screen when you have filled in all of the necessary information. 8. You will see the following screen as the Setup Wizard creates a U.S. Robotics Connections program group. 9. Next, the Setup Wizard looks for Netscape Navigator on your system.
SOFTWARE INSTALLATION AND TESTING 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.
SOFTWARE INSTALLATION AND TESTING 11. When you see this screen, you are ready to register your new modem. Click By Modem. We recommend you choose the By Modem option because it’s a great way to verify that your Sportster modem is correctly installed. 12.When you see this screen… • If you need to dial a prefix (such as 9) to make a call outside your building, type the prefix before the 1 in the Prefix box and then click Dial.
SOFTWARE INSTALLATION AND TESTING • If you do not need to dial a prefix, simply click Dial. 13.You will see a screen indicating that the registration information has been sent (see circled text in the screen below). 14.The next screen indicates that the Setup Wizard is finished. Click OK to launch the Connections CD-ROM. NOTE: If the Setup Wizard detected Internet Explorer on your system during the setup process, your computer will launch the Connections CD-ROM when you click OK. Continue at step 15.
SOFTWARE INSTALLATION AND TESTING 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 the icon to launch the CD. At the end of the installation process, you will see the following screen. Click Yes. Windows 95 users: Windows will restart and the Connections CD will launch automatically upon restart.
SOFTWARE INSTALLATION AND TESTING 15.When the main Connections menu appears, click Business & Productivity on the menu on the left hand side of the screen (circled below). 16.On the Business & Productivity menu is a RapidComm Voice button (circled in the following screen shot). RapidComm Voice is the fax/data/voice software you can use to send faxes directly from your desktop, transfer files electronically, set up multiple voice mail boxes, or dial into a BBS. Click RapidComm Voice.
SOFTWARE INSTALLATION AND TESTING 17. The next screen contains another menu on the right hand side of the screen. Included on the menu is a Learn More & Get Software button (circled in the screen image below). Click this button. 42 18.The next screen displays information about the RapidComm Voice software. When you are ready to install the RapidComm Voice software, click Install (circled in the lower left hand corner of the following screen image).
SOFTWARE INSTALLATION AND TESTING NOTE: If you are using Netscape Navigator to view your Connections CDROM, you may be asked to save the application’s installer to your computer when you click the Install button. Note the installer’s file name and its location on your computer. To run the installer or demo, find the file on your computer and double-click it. The installer will start. 19.The next screen is the first of the “RapidComm Voice Setup” screens.
SOFTWARE INSTALLATION AND TESTING This screen marks the end of the RapidComm Voice installation. Click OK to return the Connections. 21.When you see this screen, click either Yes or No. 23.Click Exit (circled in the following screen image). • If you clickYes, every document you print will be treated as a fax unless you change the printer selection in the program from which you are printing. • If you clickNo, RapidComm Voice will not be selected as the default printer.
SOFTWARE INSTALLATION AND TESTING 24.Restart Windows by clicking the Windows Start button and pointing to Shut Down. Click Restart the Computer? on the “Shut Down Windows” screen. Then click Yes. 26.The following is the first “RapidComm Voice Setup Wizard” screen. After you read the screen, click Next. 25.When your desktop appears, click Windows Start. Point to Programs. Then point to RapidComm Voice.
SOFTWARE INSTALLATION AND TESTING 27.When you see this screen, verify the information shown and then fill in the Data box (if you have a third phone number just for your modem) and the Local Area Code box. Then click Next. 46 28.After you verify the information on this screen, click Next.
SOFTWARE INSTALLATION AND TESTING 29.Select the correct modem in the text box on the following screen. Then click Next. 30.The next screen allows you to select single or multiple mailboxes for your personal voice mail system. Click Single or Multiple and then click Next.
SOFTWARE INSTALLATION AND TESTING 31.When you see this screen… • If you want the RapidComm Voice program to launch at Windows startup, select the box to the left of Run RapidComm Voice at Windows startup. A check will appear in the box. Then click Finish. 48 • If you do not want RapidComm Voice to start every time you start Windows, simply click Finish. 32.You will see this screen. This is the main RapidComm Voice screen. To send your first fax, keep this screen open.
SOFTWARE INSTALLATION AND TESTING functions, such as sending documents to groups of numbers at assigned times and how to transfer data files. These more advanced functions are explained in the electronic RapidComm Voice manual on your Connections CD. This chapter will walk you through sending your first fax. 1. Open an application in which you can create documents that you might want to fax (e.g., a word processing application). Create a document containing only a sentence or two. Name the document tester.
SOFTWARE INSTALLATION AND TESTING 5. When you see the following screen, fill in the necessary information in the text boxes. For testing purposes, send your “tester” document to the 3Com fax number, 847676-3559. 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. When you finish, click Send Fax. 6. You will see a series of screens as the fax is being transmitted.
SOFTWARE INSTALLATION AND TESTING Congratulations —you are now ready to start using your Sportster modem! Go to the electronic RapidComm Voice manual on your Connections CD for more detailed instructions on sending faxes and other things you can do using your Sportster modem and RapidComm Voice software.
INSTALLING OTHER FAX/DATA SOFTWARE Your modem was designed for and tested using a wide range of communications software packages. This section will guide you through some of the details you may need to know when installing communications software packages other than RapidComm Voice (included on the Connections CD-ROM). Type of Modem Most communications software programs will ask you to select the type of modem you are using. Select a U.S. Robotics Sportster high speed modem.
U.S. ROBOTICS MODEM UPDATE WIZARD Your Connections™ CD-ROM includes the U.S. Robotics Modem Update Wizard. This software is designed to quickly update your modem, whether to a newer version of its current code or to 3Com’s revolutionary new x2™ technology. You can update your modem in any of the following 3 ways: 33.6 K to 33.6 K (update) = FREE 33.6 K to 56 K (upgrade) = $FEE* 56 K to 56 K (update) = FREE * Fee for upgrades is subject to change.
U.S. ROBOTICS MODEM UPDATE WIZARD 2. Click the Windows Start menu and point to Programs. Point to U.S. Robotics Connections. Then click Connections. NOTE: Windows 3.x users launch the CD-ROM by clicking the Connections icon in the Connections program group. 54 3. From the main Connections menu, click Customer Support (circled in the following screen shot).
U.S. ROBOTICS MODEM UPDATE WIZARD 4. When the Customer Support menu appears, click Modem Update Wizard (circled in the following screen shot). 5. Next, click Learn More & Get Software (circled in the following screen shot).
U.S. ROBOTICS MODEM UPDATE WIZARD 6. In the following screen, click Install (circled below). 56 7. This launches the U.S. Robotics Modem Update Wizard Installer. The screen that follows is the welcome screen for the installer. After you read this screen, click Next.
U.S. ROBOTICS MODEM UPDATE WIZARD 8. The next screen indicates where the installer will store the files for the Update Wizard. If the indicated location is acceptable, click Next. Otherwise, click Browse to find an acceptable directory. 9. You will see the following screen for a moment as the installer creates the Modem Update Wizard program group. 10.This screen indicates that the setup is complete. Click OK.
U.S. ROBOTICS MODEM UPDATE WIZARD Operation 1. Click the Windows Start button. Point to Programs. Then point to U.S. Robotics Modem Update Wizard. Finally, click Modem Update Wizard. 2. After you read the “Welcome” screen, click Next. 58 3. This brings up the license agreement. After reading the license agreement, click Accept to continue.
U.S. ROBOTICS MODEM UPDATE WIZARD 4. The software will now detect any modems installed on your system. When the detection phase finishes, you will see the following screen (the modems shown on your screen may differ). Click the modem you wish to upgrade and then click Next to continue. 5. The program will now determine if the selected modem is software upgradable. Non-Upgradable Modems If your modem IS NOT software upgradable, the program will display the following screen. • Click U.S.
U.S. ROBOTICS MODEM UPDATE WIZARD • Click Other to learn more about how to purchase a U.S. Robotics x2 modem. Upgradable Modems If the modem IS software upgradable, you will see the following screen. Click Dial U.S. Robotics (which should be the default selection) in the pull-down menu. Click Upgrade to x2 Technology if you wish 60 to upgrade a 33.6 kbps modem to 56 kbps code or click Update my modem’s code to update your modem with the most recent version of its original code. Then click Next. 6.
U.S. ROBOTICS MODEM UPDATE WIZARD 7. The following screen dials the U.S. Robotics Update Server. Click Tone or Pulse dialing as necessary. If you normally dial a prefix (such as 9) to dial out on your phone line, type that prefix before the 1 in the Prefix box. Then click Dial. NOTE: Your screen may show a different number in the Number field.
U.S. ROBOTICS MODEM UPDATE WIZARD 8. Once connected, the server will compare available upgrades with the current code in your modem. If they differ, the server will automatically initiate the download procedure. NOTE: Users purchasing a 56K upgrade are asked if the charge is acceptable (see the following screen image). Unless you have already been charged for an upgrade, click Yes to continue. If you have already been through this process once before, DO NOT click Yes.
U.S. ROBOTICS MODEM UPDATE WIZARD 9. You will see this screen as the Wizard downloads the file for your modem. WARNING! To avoid the risk of damaging your modem, DO NOT turn off the modem while it is being updated. 11. When updating is complete, the progress bar will be full and an “Update/Upgrade Complete” message appears. Click Next. 10.When the download is complete, the modem disconnects from the server.
U.S. ROBOTICS MODEM UPDATE WIZARD 12.You will see a “Congratulations!” screen. Click Details. 13.Click OK once you verify that the process was a success. When you return to the “Congratulations!” screen, click Finished.
USING MODEM STATION What Does Modem Station Do? ♦ Modem Station provides a simple to use interface that makes communicating with your modem even easier. ♦ Modem Station allows you to point and click your way through configuration. ♦ Modem Station can automatically detect your modem and provide you with all the technical information you need, whenever you need it! Why Modem Station? ♦ Modem commands can be confusing and difficult to memorize.
USING MODEM STATION 6. You will be asked whether you wish to install Modem Station. Click Yes. 7. Wait a few moments for the Installation Wizard to load. 8. After reading the information on the “Welcome” screen, click Next. 66 9. When you see this screen, click Next to accept the default directory or click Browse to change directories.
USING MODEM STATION 10.Click Next on the following screen to accept the default program folder. You can place Modem Station in an existing folder by selecting one from the list. 11. When you see the following screen, click Finish to complete the installation. If this is the first time you’ve installed Modem Station, you may be asked to restart your computer.
USING MODEM STATION Starting Modem Station 1. If you didn’t start Modem Station from the Setup program, please start it now. 2. Click Windows Start button and then point to Programs. Click U.S. Robotics Modem Station (or the folder you selected during installation). 3. Click the Modem Station icon. This brings up the main menu.
USING MODEM STATION The main menu gives you direct access to the following options: ♦ ♦ ♦ ♦ ♦ DETECT NEW MODEMS TERMINAL MODEM CONFIGURATOR ABOUT CONTACT/SUPPORT DETECT NEW MODEMS This option detects US Robotics modems installed on your system and shows what COM port they are using. Click this option if you are running Modem Station for the first time, if you are changing modems, or if you simply need to know what port your modem is using.
USING MODEM STATION CONTACT/SUPPORT This option details how to get in touch with U.S. Robotics. Using Detect New Modems 1. Click Detect New Modems to bring up the following screen. 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, or receive individualized support via support@usr.com.
USING MODEM STATION 2. Click Scan to have Modem Station check for installed modems. This may take a few moments. 3. When the scan finishes, you will see the following display. Your display may differ depending on the type and number of modems installed. If your modem is installed and configured correctly, Modem Station will find the modem and display make and model information under the assigned port. All currently active ports should display “Port OK” under the heading.
USING MODEM STATION If you look at the information for the port your modem is using, you will see three buttons. These allow you to access Terminal and Modem Configurator without going back to the main menu. Extended Information provides detailed information about your modem, 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.
USING MODEM STATION NOTE: Modem Station’s Terminal window is provided primarily for troubleshooting convenience. If you frequently use BBSs, you will probably want to use a separate, full-featured Terminal program like the one provided in our RapidComm software. On the lower part of the Terminal screen, you will see the COM port your modem is currently using. To select another modem, simply click on the arrow and select that modem’s assigned port.
USING MODEM STATION modem. We will discuss port speed settings in detail later in this section. Terminal includes a basic auto dialer. To have Terminal dial a number for you, click Dial to bring up the “Dial” screen. You need to tell the Dialer a few things about your phone system, such as whether it uses tone or pulse dialing, what digit, if any, you need to dial to get an outside line, and whether the dialer should wait between dialing that digit and the rest of the number.
USING MODEM STATION The Modem Configurator menu gives you access to the following options: ♦ DATA CONTROL ♦ CONNECTION CONTROL ♦ MODEM TO COMPUTER ♦ CONNECTION RATES ♦ DIALING/ANSWERING ♦ STORED NUMBERS ♦ RESTORE DEFAULTS ♦ EXIT Data Control This is the “Data Control” screen.
USING MODEM STATION Once you have entered the Data Control settings, click Save to Modem. This stores the settings so that you do not have to re-enter them. This screen also displays the default DIP switch settings. CONNECTION CONTROL This is where you adjust your modem’s connection and transmission settings. Click Connection Control to bring up this screen. TECHNICAL STUFF: DIP switches are tiny switches that control a few basic functions on some external modems.
USING MODEM STATION Use the “Connections Control” screen to 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. TIP: On external modems, receiving a Data Terminal Ready signal causes the TR light to light up. Click Help for quick definitions of terminology used in this screen.
USING MODEM STATION TIP: If you type ATDT and see ‘AATTDDTT’ on your screen, it is possible that both your software and modem have Local Echo set to ‘ON’. Turn Local Echo ‘OFF’ on EITHER the modem or the software to solve this problem. If you look in the upper left hand corner of the display, you will see the commands currently in use. For details on using the commands in this screen, refer to the “Glossary” or “Technical Quick Reference” sections of this manual.
USING MODEM STATION CONNECTION RATES The “Connection Rates” screen allows you to configure modem speeds and protocols. WARNING! Use caution when changing connection settings. Improper settings may cause your modem to function incorrectly, disconnect, or fail to connect at all. In the upper left hand corner of the screen you will see the current connection commands. This screen allows you to configure the following settings: ♦ MODULATIONS ♦ V.
USING MODEM STATION DIALING/ANSWERING The next screen allows you to adjust how your modem initiates and receives calls. Using this screen, you can configure the following dial settings: ♦ ♦ ♦ ♦ ♦ 80 WAIT FOR CARRIER AUTO-ANSWER # OF RINGS SPEAKER OPERATION DIALING METHOD SPEAKER VOLUME TECHNICAL STUFF: “Negotiation” is the noise we hear when two modems connect. The modems exchange information about their respective protocols and configurations.
USING MODEM STATION You can change stored numbers by highlighting them and then typing the new numbers in their place. Once you store your numbers, you can dial them by entering this command from Terminal Mode: ATDS0, ATDS1, ATDS2, etc. To store a number in your modem’s memory, simply click in one of the entry boxes. Type in the phone number exactly as you would dial it. NOTE: Position Zero has a special feature.
USING MODEM STATION available from many of the screens within Modem Station. When you click Restore Defaults, you will see a confirmation screen asking if you are sure you want to restore defaults. Click OK to proceed. TIP: Restore Defaults will set your modem back to factory specifications. It is a good place to start when troubleshooting. We devote a separate section to the Extended Information screens so that we can explain what you’ll see (and why it is important to you) as fully as possible.
USING MODEM STATION ♦ ♦ ♦ ♦ CONFIGURATION PROFILE LINK DIAGNOSTICS VxD CONFIGURATION DIAL/SECURITY Winmodem users will have access to VxD information via these screens. Courier users will have access to Dial/Security information. Click ROM Checksum to bring up the following screen. Technicians use the ROM Checksum to verify information stored in the modem’s Read Only Memory. You can check the ROM Checksum from any Terminal program by typing ATI1 and pressing ENTER.
USING MODEM STATION To see information about the profile in use, click Active Profile to bring up the next screen. The “Product” screen displays the make and model of your modem. It is the equivalent of the ATI3 command. Your modem is able to store two configurations or “profiles.” Only one can be active at any time. 84 This screen contains information about your modem’s current configuration. Starting from the top, you will see the make and model of your modem.
USING MODEM STATION The two lines below the connection settings are the advanced commands currently in use. Below them is a display of the contents of the ‘S-Registers’ for your modem. These registers are special programmable areas of your modem’s memory. They are used to store commands that are too complex to be handled by the standard (or ‘AT’) commands. same format as the “Active Profile” screen with the addition of stored phone numbers.
USING MODEM STATION The “Configuration” screen displays the following information about your modem. • Product Type displays the information relating to the make and model of your modem. • Options displays the protocols available to your modem. • Fax Options displays your fax compatibility. • Clock Frequency displays the speed of the tiny “clock” that controls the timing of operations within the modem. • EPROM displays how much information can be stored in the EPROM (or Supervisor) chip.
USING MODEM STATION • DAA Country displays the countries your modem is designed for. This is important because phone systems and telecommunications laws vary from country to country. Click Link Diagnostics to bring up the “Link Diagnostics” screen. The “Link Diagnostics” screen displays statistics about your last connection. This screen is most often used as an aid in diagnosing connection failures, but it also can provide information about connection speeds and phone line conditions.
USING MODEM STATION The rest of the screen contains information about CRC errors, Block Errors (Blers), resent data, and other data. This information is very important if you experience problems transmitting or receiving data or if you suspect problems with your phone service. Only our U.S. Robotics Winmodem™ faxmodems use VxDs, or Virtual Device Drivers. The Winmodem product uses special software (called a ‘driver’) to manage many of the functions handled by hardware in our other modems.
TROUBLESHOOTING AND ONLINE HELP RESOURCES PROBLEM DIAGNOSIS POSSIBLE SOLUTION The computer or Your modem might not Make sure the modem is turned on. The power switch is on top of external software will not be turned on. modems. The CS light on the front panel should be lit. If you installed an recognize the internal modem, it should power up when the computer is turned on. modem. When entering commands in a terminal program, type in all upper case (AT) or You may not be entering all lower case (at).
TROUBLESHOOTING AND ONLINE H ELP RESOURCES PROBLEM DIAGNOSIS POSSIBLE SOLUTION The computer or software will not recognize the modem (cont.). You may have a COM port/IRQ conflict (cont.). Make sure you have the correct COM port and IRQ settings in your software and/or in the Windows Device Manager. The modem displays double characters on your monitor. Both the modem’s and software’s local character echoes are turned on. Disable Local Echo in your software OR on your modem (not both).
TROUBLESHOOTING AND ONLINE H ELP RESOURCES PROBLEM DIAGNOSIS POSSIBLE SOLUTION The modem won’t go off hook to dial or doesn’t answer the phone (cont.) If you have voice mail, your dial tone may be altered when messages are waiting. Answer your voice mail to restore your normal dial tone. Your software may not have auto answer enabled. Enable the auto answer feature. In RapidComm’s Terminal mode, type ATS0=1 and press ENTER.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES PROBLEM DIAGNOSIS POSSIBLE SOLUTION Your modem won’t connect at 2400 bps with a 2400 bps modem. The modem you’re trying to connect with could be an older model that doesn’t support error control. You can disable error control on your modem by typing AT&M0 in terminal mode and pressing ENTER. Now try placing the call to the remote modem again. When finished, reset your modem to enable the error control features. In terminal mode, type ATZ and press ENTER.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES PROBLEM DIAGNOSIS POSSIBLE SOLUTION Your communications software is reporting many cyclic redundancy check (CRC) errors and low characters per second (CPS). You may have a bad phone line. Try placing the call again. The phone company routes calls differently each time. Optimum flow control settings may not be enabled on your modem. In terminal mode, type AT&F1 and press ENTER to load the optimum hardware flow control settings.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES PROBLEM DIAGNOSIS POSSIBLE SOLUTION Your communications software is reporting many cyclic redundancy check (CRC) errors and low characters per second (CPS) (cont.). You may be trying to download a file to a compressed area of your hard disk. Download to an uncompressed area on your hard drive. Your modem initialization string could be insufficient for fax transmissions.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES When Plug and Play Fails If you have been directed to this section, your Plug and Play installation was not successful. Try the following possible solutions: 1. Click Windows 95 Start and click Shut Down. When asked if you wish to shut down your computer, click Yes. When Windows 95 indicates that it is safe to turn off your computer, turn it off and wait 15 seconds. Then turn the computer back on.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES reading to learn about our support options. Online Help Resources Connecting to the 3Com BBS To connect to the 3Com Bulletin Board System, follow these steps: 3. Type ATDS0 and press ENTER. NOTE: ATDS0 automatically dials 1-847-982-5092, the 3Com BBS. 1. Start the RapidComm Voice program. The software settings for the BBS are: ANSI terminal emulation Data Bits: 8 Parity: None Stop Bits: 1 2.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES Downloading the User’s Guide To download theUser’s Guide, follow these steps: 1. In the main menu, type D. The preceding screen shot is what the introduction screen of the 3Com BBS will look like. The BBS gives you access to customer and technical support documents and the BBS library which contains hundreds of helpful files and tips to help simplify using your modem. 2. A Filename to Download: text box appears on the screen.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES 3. Type the name of the file you wish to receive. You have three manual formats from which to choose: • VOICE336.EXE—The guide in a selfextracting Word for Windows v6.0 format. • VOICE336.PDF—The guide in .pdf format (readable using Adobe Acrobat, which is available on the Connections CD-ROM). 98 4. Protocol Type for Transfer. Your selection depends on what your software supports. If possible, make Zmodem your first choice. 5.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES Internet FTP Provides free library containing the same files as the BBS site. FTP to ftp.usr.com. Internet on Demand Provides automatic technical support through a library containing product information, quick reference cards, and installation help. To obtain an index of available documents, send a blank e-mail to support@usr.com. To have a document e-mailed to you, send the document's number as the subject. World Wide Web A U.S.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES call. In order to save both time and expense, you should do the following before calling: 1. Click the Windows 95 Start button. 2. Point to Programs and then click RapidComm Voice. (If you have not installed RapidComm Voice, see the section title “Software Installation and Testing” on page 33.) 3. Enter RapidComm Voice’s terminal mode by clicking the Terminal button. 4. Type ATI7 and press ENTER. 5.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES • more efficient and time-saving than returning the modem to U.S. Robotics. If your dealer can't help you, contact 3Com Customer Support. When you call, specify your modem serial number (found on the modem and on the outside of the box), the software being used, and, if possible, have the contents of your ATI7 screen available. If You Need to Return the Modem to Us Contact 3Com Customer Support.
TROUBLESHOOTING AND ONLINE H ELP RESOURCES RapidComm Troubleshooting Tips PROBLEM: The lights in the RapidComm Voice software’s modem light monitor do not correspond to the actual lights on an external modem. DIAGNOSIS: Under certain circumstances, the modem light monitor does not correctly report the activity of the modem. We are aware of this problem and are working to rectify the situation in upcoming versions of the software. PROBLEM: The station ID works intermittently.
GLOSSARY Cross references are printed boldface. in Cross references with items in the Command Summary, found in the Technical Quick Reference (Section D), are printed in italics. application A computer program designed to perform a specific task or set of tasks. Examples include word processing and spreadsheet applications.
GLOSSARY auto answer Sets the modem to pick up the phone line when it detects a certain number of rings. See S-register S0 in the “Technical Quick Reference.” auto dial A process where your modem dials a call for you. The dialing process is initiated by sending an ATDT (dial tone) or ATDP (dial pulse) command followed by the telephone number. Auto dial is used to dial voice numbers. See command Dn. baud rate A term used to measure the speed of an analog transmission from one point to another.
GLOSSARY carrier The basic signal altered or modulated by the modem in order to carry information. character A representation, coded binary in digits, of a letter, number, or other symbol. characters per second (CPS) A data transfer rate generally estimated frombit therate and thecharacterlength. For example, at 2400 bps, 8-bit characters withstart/stop bits(for a total of ten bits per character) will be transmitted at a rate of approximately 240 characters per secondcps).
GLOSSARY data mode Mode used by a modem when sending and receiving data files. DCE Data Communications (or Circuit-Terminating) Equipment, such as dial-up modems that establish and control the data link via the telephone network. default Any setting assumed, at startup or reset, by the computer's software and attached devices. The computer or software will use these settings until changed by the user or other software. detect phase In theITU-T V.
GLOSSARY Electronic Industries Association (EIA) Group which defines electronic standards in the U.S. error control Various techniques that check the reliability characters of (parity) or blocks of data.V.42and MNP error-control protocolsuse error detectionCRC) ( and retransmission of flawedframes (ARQ). facsimile A method for transmitting the image on a page from one point to another. Commonly referred to as fax. fax mode The mode used by a modem to send and receive data in facsimile format.
GLOSSARY Hz Hertz, a frequency measurement unit used internationally to indicate cycles per second. ITU-T An international organization that defines standards for telegraphic and telephone equipment. For example, the Bell 212A standard for 1200-bps communication in North America is observed internationallyITU-T as V.22. For 2400-bps communication, most U.S. manufacturers observe V.22bis. LAPM Link Access Procedure for Modems. An error-control protocol defined inITU-T Recommendation V.42.
GLOSSARY online fall back/fall forward A feature that allows high-speed, error-control modems to monitor line quality and fall back to the next lower speed in a defined range if line quality diminishes. As line conditions improve, the modems switch up to the next higher speed. originate mode The mode used by your modem when initiating an outgoing call to a destination modem. The transmit/receive frequencies are the reverse of the called modem, which is in answer mode.
GLOSSARY ROM Read Only Memory. Permanent memory, not userprogrammable. serial transmission The consecutive flow of data in a single channel. Compare to parallel transmissions where data flows simultaneously in multiple channels. start/stop bits The signaling bits attached to character a before and after the character is transmitted during asynchronous transmission. terminal A device whose keyboard and display are used for sending and receiving data over a communications link.
GLOSSARY V.22 bis An ITU-T standard for modem communications at 2400 bps. The standard includes an automatic link negotiation fallback to 1200bps and compatibility with Bell 212A/V.22 modems. V.27 ter An ITU-T standard forfacsimile operations that specifies modulation at 4800bps, with fallback to 2400bps. V.29 An ITU-T standard forfacsimile operations that specifies modulation at 9600bps, with fallback to 7200bps. V.32 An ITU-T standard for modem communications at 9600 bps and 4800bps. V.
GLOSSARY Xmodem The first of a family oferror controlsoftwareprotocols used to transfer files between modems. These protocols are in the public domain and are available from many bulletin board services. XON/XOFF StandardASCII controlcharactersused to tell an intelligent device to stop/resume transmitting data. Ymodem An error-checking protocol that can send several files of data at a time in 1024byte (1K) blocks. This protocol can use either checksums or CRC for error checking.
TECHNICAL QUICK REFERENCE This section includes information about: • • AT Command Summary S-Registers 113
TECHNICAL QUICK REFERENCE AT Command Summary • • Type commands in either upper or lower case, not a combination. Use the Backspace key to delete errors. (You cannot delete the original AT command since it is stored in the modem buffer.) If a command has numeric options and you don’t include a number, zero is assumed. For example, if you type ATB, the command ATB0 is assumed. Every command except A/, A>, and +++ must begin with the AT prefix and be entered by pressing ENTER.
TECHNICAL QUICK REFERENCE Command Set $ A A/ A> Any key Use in conjunction with D, S, or & commands (or just AT) to display a basic command list; online help. Manual Answer: goes off hook in answer mode. Pressing any key aborts the operations. Re-executes the last issued command. Used mainly to redial. This does not require the AT prefix or a Carriage Return. Re-executes the last-issued command continually. Aborts off-hook dial/answer operation and hangs up.
TECHNICAL QUICK REFERENCE Sn T , ; “ 116 Dials the phone number string stored in NVRAM at position n (n = 0−3). Phone numbers are stored with the &Zn=s command. Tone dial (Comma) Pause, See S8 definition; which it’s linked to. (Semicolon) Return to Command mode after dialing. Dials the letters that follow (in an alphabetical phone number). ! / W @ $ En (Exclamation point) Flashes the switch hook. Delays for 125 ms. before proceeding with dial string.
TECHNICAL QUICK REFERENCE Fn Hn In Sets online local echo of transmitted data ON/OFF. F0 Local echo ON. Modem sends a copy of data it sends to the remote system to your screen. F1 Local echo OFF. Receiving system may send a remote echo of data it receives. Controls ON/OFF hook. H0 Hangs up (goes on hook). H1 Goes off hook. Displays the following information.
TECHNICAL QUICK REFERENCE Mn On P Qn 118 Operates speaker. M0 Speaker always OFF. M1 Speaker ON until CONNECT. M2 Speaker always ON. M3 Speaker ON after dial, until CONNECT. Returns online. O0 Returns online. O1 Returns online and retrains. Sets pulse dial (for phone lines that don’t support touch-tone dialing). Displays/suppresses result codes. Q0 Displays result codes. Q1 Q2 Quiet mode; no result codes. Displays result codes only in Originate mode. Sr.b=n Sets bit .
TECHNICAL QUICK REFERENCE Xn Sets result code displayed. Default is X4.
TECHNICAL QUICK REFERENCE Xn (continued) Xn Result Codes (cont.
TECHNICAL QUICK REFERENCE Yn Z Z4 Selects power-on/reset default configuration. Y0 Default is profile 0 setting in NVRAM Y1 Default is profile 1 setting in NVRAM Resets modem. Z0 Resets modem to NVRAM profile selected by Y command or dip 7.
TECHNICAL QUICK REFERENCE &A3 &Bn &Cn 122 Protocol indicators added LAPM/MNP/NONE (error control) and V42bis/MNP5 (data compression) Manages modem’s serial port rate. &B0 Variable, follows connection rate &B1 Fixed serial port rate &B2 Fixed in ARQ mode, variable in non-ARQ mode Controls Carrier Detect (CD) signal. &C0 CD override &C1 Normal CD operations &Dn Controls Data Terminal Ready (DTR) operations.
TECHNICAL QUICK REFERENCE &Gn Sets Guard Tone. &G0 No guard tone, U.S. and Canada &G1 550 Hz guard tone, some European countries, requires B0 setting. &G2 1800 Hz guard tone, U.K., requires B0 setting. &Hn Sets Transmit Data (TD) flow control (see also &Rn). &H0 Flow control disabled &H1 Hardware flow control, Clear to Send (CTS) &H2 Software flow control, XON/XOFF &H3 &In Hardware and software flow control Sets Receive Data (RD) software flow control (see also &Rn).
TECHNICAL QUICK REFERENCE &K3 MNP5 compression disabled &Mn Sets Error Control (ARQ) for connections at 1200 bps and higher. &M0 Normal mode, error control disabled &M1 Reserved &M2 Reserved &M3 Reserved &M4 Normal/ARQ &M5 ARQ mode &Nn 124 Sets connect speed. If connection cannot be established at this speed, the modem will hang up. Sets ceiling connect speed if &Un is greater than 0. See &Un.
TECHNICAL QUICK REFERENCE &Pn Sets pulse (rotary) dial make/break ratio. &P0 U.S./Canada ratio, 39%/61% &P1 U.K. ratio, 33%/67% &Rn Sets Receive Data (RD) hardware flow control, Request to Send (RTS) (see also &Hn). &R0 Reserved &R1 Modem ignores RTS &R2 Received Data to computer only on RTS &Sn Controls Data Set Ready (DSR) operations. &S0 DSR override; always ON &S1 Modem controls DSR &Tn Begins test modes (used in conjunction with s register 18).
TECHNICAL QUICK REFERENCE &T8 &Un 126 Analog Loopback with self-test and error detector Sets floor connect speed when &Un is set greater than 0. &Nn is the ceiling connect speed. See &Nn. &U0 Disabled &U1 300 bps &U2 1200 bps &U3 2400 bps &U4 4800 bps &U5 7200 bps &U6 9600 bps &U7 12,000 bps &U8 14,400 bps &U9 16,800 bps &U10 19,200 bps &U11 21,600 bps &U12 &U13 &U14 &U15 &U16 24,000 bps 26,400 bps 28,800 bps 31,200 bps 33,600 bps &Wn Writes current configuration to NVRAM templates.
TECHNICAL QUICK REFERENCE &Y3 Nondestructive, unexpedited &Zn=s Writes phone number string s to NVRAM at position n (n = 0−3). #CID=2 Caller ID enabled with extended information, including caller’s name. +++ Escapes to online-command mode. &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− 3). &ZL? Displays the last executed dial string. #CID=n Controls Caller ID feature. #CID=0 Caller ID disabled.
TECHNICAL QUICK REFERENCE 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 S0 0 Sets the number of rings on which to answer in Auto Answer Mode. When set to 0, Auto Answer is disabled. S1 0 Counts and stores the number of rings from an incoming call. (S0 must be greater than 0.) S2 43 Stores the ASCII decimal code for the escape code character. Default character is +.
TECHNICAL QUICK REFERENCE Register Default Function S6 2 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. S7 60 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. S8 2 Sets the duration, in seconds, for the pause (,) option in the Dial command.
TECHNICAL QUICK REFERENCE Register Default S10 (cont.) Function 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. S11 70 Sets the duration and spacing, in milliseconds, for tone dialing. S12 50 Sets the duration, in fiftieths of a second, of the guard time for the escape code sequence (+++).
TECHNICAL QUICK REFERENCE Register Default S13 (cont.) Function Bit 4 Value 16 5 6 7 32 64 128 Result At power on/reset, Auto Dial the number stored in NVRAM at position 0. Reserved Disable quick retrains. Disconnect on escape code. * The 1.5K-byte non-ARQ buffer allows data transfer with Xmodem- andYmodem-type file transfer protocols without using flow control. The 128-byte option lets remote users with slower modems keep data you’re sending from scrolling off their screens.
TECHNICAL QUICK REFERENCE Register Default S15 (cont.) Function Bit Value Result 6 64 MNP incompatibility. 7 128 Disable V.42 operation. To disable V.42 detect phase, select the total of the values for bits 3 and 7. S16 0 Bit-mapped register setup. To set the register, see instructions for S13. Bit Value Result 0 1 Reserved 1 2 Reserved 2 4 Touch tone test. 4 8 Use internal test pattern. S18 0 Test timer for &T loopback testing.
TECHNICAL QUICK REFERENCE Register Default Function S22 17 Stores the ASCII decimal code for the XON character. S23 19 Stores the ASCII decimal code for the XOFF character. S25 20 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.
TECHNICAL QUICK REFERENCE Register Default Function S27 (cont.) Bit 7 S28 Value 128 Result 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. Used for unusual software incompatibilities. Some software may not accept 7200, 12,000, and 14,400 bps or greater result codes. 0 Eliminates the V.32 answer tones for a faster connection. 8 Default item, all times are in tenths of seconds.
TECHNICAL QUICK REFERENCE Register Default Function S32 (cont.) Bit 2 3 4 5-7 S33 0 0 Result Reserved. Disable V.34 modulation. Disable V.34+ modulation. Reserved. Bit-mapped register setup. To set the register, see the instructions for S13. Bit 0 1 2 3 4 5 6 7 S34 Value 4 8 16 32-128 Value 1 2 4 8 16 32 64 128 Result Disable 2400 symbol rate. Disable 2743 symbol rate. Disable 2800 symbol rate. Disable 3000 symbol rate. Disable 3200 symbol rate. Disable 3429 symbol rate.
TECHNICAL QUICK REFERENCE Register Default S34 (cont.) S35 136 Function Bit 2 3 4 5 6 7 0 Value 4 8 16 32 64 128 Result Disable 32S-2D trellis encoding. Disable 64S-4D trellis encoding. Disable non-linear coding. Disable TX level deviation. Disable Pre-emphasis. Disable Pre-coding. Bit-mapped register setup. To set registers, see instructions for S13. Bit Value Result 0-2 1-7 Limit back channel rate. 1 = 28800 max. 2 = 26400 max. 3 = 24000 max. 4 = 21600 max. 5 = 19200 max. 6 = 16800 max.
TECHNICAL QUICK REFERENCE Register Default S38 0 S39-S40 Reserved S41 0 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. The modem immediately hangs up when DTR drops. This option only applies to connections terminated by dropping DTR.
REGULATORY INFORMATION Manufacturer’s Declaration of Conformity received including interference that may cause undesired operations. 3Com 7770 North Frontage Road Skokie, Illinois 60077-2690 U.S.A. Part 68: This equipment complies with FCC Rules Part 68. Located on the bottom of the modem is the FCC Registration Number and Ringer Equivalence Number (REN). You must provide this information to the telephone company when requested. declares that the product U.S.
REGULATORY INFORMATION This equipment uses the following USOC jacks: RJ-11C. This equipment may not be used on coin service provided by the telephone company. Connection to party lines is subject to state tariffs. An FCC compliant telephone cord and modular plug are provided with this equipment, which is designed to connect to the telephone network or premises wiring using a Part 68 compliant compatible jack. See installation instructions for details.
REGULATORY INFORMATION Connecting to the Telephone Company It is not necessary to notify the telephone company before installing the modem. However, the telephone company may request the telephone number(s) to which the Sportster modem is connected and the declaration of conformity to FCC Parts 15 and Part 68 on the first page of this section. Be sure that the telephone line you are connecting the modem to is a standard analog line and not a digital (PBX), party, or coin telephone line.
REGULATORY INFORMATION your modem. If you’re using a different communications software program, refer to its manual. Radio and Television Interference This equipment generates and uses radio frequency energy and if not installed and used properly, in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception. This modem complies with FCC Part 15, Class B of the FCC rules for digital devices.
REGULATORY INFORMATION How to Identify and Resolve RadioTV Interference Problems Stock No. 004-000-0345-4 U.S. Government Printing Office Washington, DC 20402 In accordance with Part 15 of the FCC rules, the user is cautioned that any changes or modifications to the equipment described in this manual that are not expressly approved by 3Com could void the user’s authority to operate the equipment. For Canadian Modem Users NOTICE: The Industry Canada (IC) label identifies certified equipment.
REGULATORY INFORMATION equipment to jacks except in precise situations that are spelled out in tariffing arrangements with those companies. Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.
REGULATORY INFORMATION Keating Technologies 25 Royal Crest Court, Suite 200 Markham, ONT L3R 9X4 «AVIS : L'étiquette d'Industrie Canada identifie le matériel homologué. Cette étiquette certifie que le matériel est conforme aux normes de protection, d'exploitation et de sécurité des réseaux de télécommunications, comme le prescrivent les documents concernant les exigences techniques relatives au matériel terminal.
REGULATORY INFORMATION ensemble. Cette précaution est particulièrement importante dans les régions rurales. Avertissement: L'utilisateur ne doit pas tenter de faire ces raccordements lui même; il doit avoir recours à un service d'inspection des installations électriques, ou à un électricien, selon le cas. «AVIS : L'indice d'équivalence de la sonnerie (IES) assigné à chaque dispositif terminal indique le nombre maximal de terminaux qui peuvent être raccordés à une interface.
REGULATORY INFORMATION tampered with, misused, or subjected to abnormal working conditions (including, but not limited to, lightning and water damage). THIS LIMITED WARRANTY DOES NOT GUARANTEE YOU UNINTERRUPTED SERVICE. REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS LIMITED WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER.
REGULATORY INFORMATION exclusion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you. To obtain service under this limited warranty, contact the 3Com Technical Support Department at 847-982-5151 or by mail at 3Com, 7770 N. Frontage Road, Attn.: Technical Support Dept., Skokie, Illinois 60077-2690. You will be given a Service Repair Order (“SRO”) number to help 3Com keep track of your limited warranty request.
INDEX A America Online, U.S. Robotics online support and, 99 analog phone lines, vs. digital, 15, 24 AOL. See America Online, U.S. Robotics online support and Connections CD-ROM Modem Update Wizard, 53-64 software installation, 33-50 D drivers, modem installing, 25-32 B BBS, 3Com, 96-98 E C characters per second (cps) low, errors and, 93-94 COM ports conflicts, 89-90 and Plug and Play installations, 19-20 CompuServe, U.S.
Index I IRQs, 1, 3-12, 20 conflicts, 89-90 ISA expansion slots, 14, 22 J jumper pins, 10-12, 20 jumper shunts, 10-12, 20 M microphone installation, 16, 24 modem installation Plug and Play, 19-32 With Windows 3.
Index T Technical Support Hotline, 99 terminal mode, 96, 99 Terminate and Stay Resident programs, errors and, 93, 94 troubleshooting, 89-94 RapidComm Voice software, 101-102 TSR. See Terminate and Stay Resident programs U upgrading/updating modems, 53-64 V V.