US Robotics 002605-00

This manual covers installation and operating instructions for the following U.S. Robotics modems:

•• Sportster Voice 56K∗∗ internal and external modems

U.S. Robotics, the USRobotics logo, and Sportster are registered trademarks and Connections,

Total Control, Courier, RapidComm, x2, and the x2 logo are trademarks of U.S. Robotics. Windows

is a registered trademark of Microsoft Corp. CompuServe is a registered trademark of CompuServe

Inc. America Online is a registered trademark of America Online Inc. Any other trademarks, trade

names, service marks, or service names owned or registered by any other company and used in this

manual are the property of their respective companies.

7770 North Frontage Road

Skokie, IL 60077-2690

∗∗ IMPORTANT! This modem is 56Kbps capable. However, current FCC rules limit download

speeds to 53Kbps. See page 3 for details.

TABLE OF CONTENTS

U.S. Robotics: The Intelligent Choice in Information Access 1

Welcome to x2 Information Access 2

Product Features 4

Read This First! 6

Part I - Internal Modem Installation 6

Section A: Internal Modem Installation with Windows 3.x 7

A Word about COM Ports and IRQs 8

How to Use ComTest to Determine Your Modem’s Settings 9

What to Do with ComTest’s Recommendation 13

How to Change the Factory Settings 16

How to Insert the Modem 17

Installing RapidComm Voice with the Setup Wizard 24

Sending Your First Fax 37

Section B: Internal Modem Installation with Windows 95 40

Plug and Play Installation 40

How to Prepare for Plug and Play Installation 41

How to Insert the Modem 42

How to Move Through the “New Hardware Found” Screens 46

Installing RapidComm Voice with the Setup Wizard 49

TABLE OF CONTENTS

iii

Sending Your First Fax 63

Part II - External Modem Installation 66

Section A: External Modem Installation with Windows 3.x 67

How to Determine Which Serial Cable to Buy 67

How to Hook Up the Modem 69

Installing RapidComm Voice with the Setup Wizard 70

Sending Your First Fax 83

Section B: External Modem Installation with Windows 95 86

How to Determine Which Serial Cable to Buy 86

How to Hook Up the Modem 88

How to Move Through the “New Hardware Found” Screens 89

Installing RapidComm Voice with the Setup Wizard 92

Sending Your First Fax 106

Part III - Beyond Setup 109

Section A: Installing Other Fax/Data/Voice Software 110

Type of Modem 110

Initialization String 110

Flow Control 111

UART (External Modems Only) 111

Section B: Troubleshooting and Online Help Resources 112

TABLE OF CONTENTS

Internal Modem Users Only 118

If You Are Running DOS 6.0 or Higher 118

Online Help Resources 119

Are You Still Having Problems? 123

If You Must Return the Modem to Us 123

RapidComm Voice Troubleshooting Tips 124

A Note to Users with Older Versions of RapidComm on Their Systems 125

Section C: Glossary 126

Section D: Technical Quick Reference 139

Front Panel Lights 140

Command Summary 141

DIP Switches (Modems with DIP Switches Only) 156

S-Registers 158

The Serial Interface 169

Section E: Regulatory Information 171

Manufacturer’s Declaration of Conformity 171

Caution to the User 172

IC (Canada) 172

UL Listing/CUL Listing 173

Connecting to the Telephone Company 173

TABLE OF CONTENTS

Fax Branding 173

Radio and Television Interference 174

For Canadian Modem Users 175

Limited Warranty 179

Index 181

U.S. ROBOTICS: THE INTELLIGENT CHOICE IN

INFORMATION ACCESS

ongratulations! You have just purchased the

Sportster®Voice 56K faxmodem. Since

1976, U.S. Robotics has grown to become a key

manufacturer and developer of information access

technology. U.S. Robotics’ advanced technology

allows you to use your faxmodem to open up a

new world of information access. And now you

can take advantage of the highest transfer rates

available today with our new x2™technology!

As an innovator in the data communications field,

U.S. Robotics has a history of bringing the latest

technology to market at an affordable price.

U.S. Robotics owns the core technology, known

as the data pump, that works in its access

products. This allows U.S. Robotics to bring new

technologies and features to market faster and at

a lower cost while passing the savings on to you.

Be sure to read the following section to learn

more about the latest U.S. Robotics

breakthrough, x2 technology. Your new Sportster

takes advantage of this technology to make

connecting over analog lines faster than ever

before.

For more information on U.S. Robotics, visit the

U.S. Robotics World Wide Web Home Page at:

http://www.usr.com.

WELCOME TO X2INFORMATION ACCESS

Thelatestbreakthroughin

onlinecommunications

Until now, 33.6 Kbps was thought to be the

practical limit for speed over standard phone

lines. Now, x2 shatters that barrier, to bring

you download speeds of up to 56 Kbps.

However, due to FCC rules which restrict

power output of your service provider’s

modems, current download speeds are limited

to 53Kbps. This modem is easily upgradable

to new features and enhancements as they

become available.

Anintegratedend-to-end

solutionfromtheleader

U.S. Robotics is well positioned to bring you

x2 technology. Our Sportster modems are the

world's number one seller, and our Total

ControlTM and CourierTM product lines are

favored by many Internet service providers.

This widespread acceptance allows U.S.

Robotics to offer x2 technology to virtually

anyone.

WELCOME TO X2 INFORMATION ACCESS

Takingadvantageofthe

moderntelephonenetwork

x2 technology uses the increasingly digital

telephone network to bring you faster

downloads, by eliminating the analog-to-digital

conversion in the downstream path.

x2 takes advantage of the typical network

configuration found when an analog subscriber

connects to a digitally connected server.

Because it bypasses the analog-to-digital

conversion in the downstream path, x2 can use

nearly all of the available 64K network

bandwidth. (Upstream data, typically less

speed sensitive, travels at the standard V.34

rate.)

The result is a completely new kind of

transmission technique. Based on “encoding”

rather than “modulation,” it can give you

download speeds that you never thought

possible. What’s more, with standard V.42 bis

compression, x2 can download at speeds up

to a blistering 115.2 Kbps.

Thenewstandardforonline

speed

U.S. Robotics has already submitted x2 to the

ITU-T standards committee for acceptance as

the next online standard.

For more information on U.S. Robotics’ x2

technology, see our World Wide Web page at

http://x2.usr.com.

PRODUCT FEATURES

Your new x2 modem

provides many advanced

features. Here are just a

few:

Modulation Schemes

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

33333, 37333, 41333, 42666,

44000, 45333, 46666, 48000,

49333, 50666, 52000, 53333,

54666, 56000, 57333

Back Channel Link Rates

14400, 16800, 19200, 21600,

24000, 26400, 28800, 31200

V.34+ Link Rates

4800, 7200, 9600, 12000, 14400,

16800, 19200, 21600, 24000,

26400, 28800, 31200, 33600

V.32bis Link Rates

4800, 7200, 9600, 12000, 14400

Additional Link Rates

300, 1200/75 (V.23), 1200, 2400

Fax Link Rates

2400, 4800, 7200, 9600, 12000,

14400

PRODUCT FEATURES

Speakerphone

With the addition of an inexpensive set of

externally powered speakers, your new

Sportster Voice modem provides all the

convenience of a full-duplex speakerphone.

Unlike many half-duplex speakerphones, your

Sportster allows you to converse normally

without annoying echoes and distortion. Simply

plug the speakers into the SPEAKER jack on

the modem and you’re ready to go.

PersonalVoiceMail

Personal Voice Mail turns your modem into a

full-featured messaging system. Enjoy the

convenience of professional voice mail in your

home or office for a fraction of the cost.

With Personal Voice Mail, you can record

custom greetings, receive messages, and set up

multiple voice “mailboxes”. You can even

access your voice messages remotely.

Your modem will automatically detect

incoming fax/voice/data calls and route them

appropriately. The included fax-on-demand

feature allows callers to select information from

a list and have it automatically faxed to them.

If you have an internal modem and are using

the Windows 3.x operating system, start at

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