3Com 005605-00 Manual 

U.S. Robotics 56 Kbps∗ Voice internal and external modems 3Com, the 3Com logo, and U.S. Robotics are registered trademarks and Connections, RapidComm, and x2 are trademarks of 3Com Corporation or its subsidiaries. Windows is a registered trademark of Microsoft Corp. CompuServe is a registered trademark of CompuServe Inc. America Online is a registered trademark of A ...

Welcome to 56K Information Access 1 Product Features 2 Before You Begin (Windows 95 Users) 3 Determining Available Resources 3 Determining Your Version of Windows 95 4 Internal Modem Installation with Windows 3.x 5 A Word about COM Ports and IRQs 5 How to Use ComTest to Determine Your Modem’s Settings 7 Testing an Installed Modem 9 What to Do with ComTest’s Recommendation 10 How to Change the Modem’s Settings 12 How to Insert the Mo ...

Software Installation 47 Running the Setup Wizard 47 Using Connections 48 Installing the RapidComm™ Voice Fax/Data/Voice Software 48 Installing Other Fax/Data Software 50 Type of Modem 50 Initialization String 50 Flow Control 51 UART (External Modems Only) 51 Using Modem Station 52 What Does Modem Station Do? 52 Why Modem Station? 52 Installing Modem Station 52 Starting Modem Station 55 Using Detect New Modems 57 Using Terminal 58 Using ...

U.S. Robotics Modem Update Wizard 74 Installing the Wizard 74 Updating Your Modem 75 Troubleshooting and Online Help Resources 76 RapidComm Voice Troubleshooting Tips 82 If Plug and Play Does Not Detect Your Modem 83 Online Help Resources 84 Are You Still Having Problems? 87 If You Need to Return the Modem to Us for Repair 87 Glossary 88 Regulatory Information 102 Manufacturer’s Declaration of Conformity 102 Limited Warranty 109 ...

1 The International Telecommunications Union (ITU) determines the technical protocols communications devices must use to interoperate with each other. Modems that comply with ITU standards can “talk” to other standards-compliant modems and fax machines worldwide. The ITU has determined a worldwide standard for 56K modem technology . With a U.S. Robotics modem, you can get all the Internet you want from any service pro ...

x2™ technology ITU-T V.34+ ITU-T V.34 ITU-T V.32bis ITU-T V.32 ITU-T V.22bis ITU-T V.22 ITU-T V.23 Bell 212A ITU-T V.21 Bell 103 Error Control and Data Compression Schemes ITU-T V.42 ITU-T V.42bis MNP 2-5 Fax Modulation Schemes ITU-T V.17 ITU-T V.29 ITU-T V.27ter ITU-T V.21 Fax Standards EIA 578 Class 1 FAX EIA 592 Class 2.0 FAX Front Channel Link Rates 28000, 29333, 30666, 32000, 33333, 34666, 360 ...

® 95 USERS) 3 Determining Available Resources Your U.S. Robotics® 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. Here’s how you can verify that yo ...

4 Determining Your Version of Windows 95 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). The number following the text “Mi ...

® 3.X 5 You will need these items from your U.S. Robotics ® modem box: modem phone cord Connections™ CD microphone Plus: screwdriver (not included) A Word about COM Ports and IRQs Most computer accessories — 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 communicatio ...

6 Each COM port uses an interrupt request (IRQ). An accessory uses an IRQ to get the attention of your computer’s centralprocessing 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 pe ...

7 NOTE: Some communications software programs require a particular setting for your modem (the RapidComm software, which shipped with your modem, does not). If you wish to use a program other than RapidComm, now is a good time to read that software’s manual to determine what setting is required. How to Use ComTest to Determine Your Modem’s Settings 1. Insert the Connections CD into your CD- ROM drive. 2. ...

8 4. Click Internal Modem. Then click Next. 5. If you have a free setting, you will see a screen like this. (COM2/IRQ3 is free in this example.) Write down the displayed settings here: COM Port_________ IRQ_________ You will need to know these settings later. Click Next. If you do not have a free setting, you will see a screen like the follwoing. Click Finish to exit ComTest. Go to “What to Do with ComTest’ ...

9 6. When you see this screen, click Finish to exit ComTest. If ComTest recommended COM 1/IRQ 4 or COM 2/IRQ 3, turn to “How to Change the Modem’s Settings” on page 12. Otherwise, go to “What to Do with ComTest’s Recommendation” on page 10. 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 m ...

10 What to Do with ComTest’s Recommendation NOTE: If your communications software requires a modem setting 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 12. If ComTest recommended COM3/IRQ4 or COM4/IRQ3 Do no ...

11 • Find out how to disable the COM port. • Find out which of the sockets on the back of your computer COM 2. • If you have something plugged into that port, find out if you can plug it in somewhere else. Any accessory plugged into that port will not work after the port has been disabled. • Then return to this point in this manual to continue. After disabling COM2, you can use the COM2/IRQ3 setting. Wri ...

12 accessories elsewhere so that you can disable its COM port. The accessory will not work once its port is disabled. If you’ve disabled COM1, you can now use the COM1/IRQ4 setting. Write this setting down where it will be convenient during the software installation. If you’ve disabled COM2, you can now use the COM2/IRQ3 setting. Write the setting down where it will be convenient during the software installa ...

13 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. Do not touch any other part of the modem or your computer with the tweezers/pliers. A jumper shunt needs to be sitting on both jumper pins in order to effectively set the modem to the desired setting. 4. M ...

14 How to Insert the Modem into the Computer NOTE: Before installing your modem, write its serial number in the space provided here: SERIAL NUMBER:_____________ You will 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 ...

15 3. Remove the screws from your computer’s cover and then remove the cover, as shown 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. Contact your computer manufacturer or review their manual if you need further instructions. 4. Find an empty ISA expansion slot at least as long as the gold edge of your mo ...

16 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. (The drawings show 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 to ...