US Robotics 56K Series Manuale utente

3Com U.S. Robotics

56K* Voice Internal PCI

Manual

P/N: 2.024.506

This manual covers installation and operating instructions for the following modems:

3Com U.S. Robotics®56K* Voice Internal PCI

3Com, the 3Com logo, and U.S. Robotics are registered trademarks and x2 is a trademark of

3Com Corporation. Windows is a registered trademark of Microsoft Corp. Other product and

brand names may be trademarks or registered trademarks of their respective owners.

3800 West Golf Road

Rolling Meadows, IL 60008

*IMPORTANT! In accordance with the ITU standard for 56K transmissions (V.90), this modem is

capable of 56 Kbps downloads. However, due to varying line conditions, the actual speeds you

experience may be lower. Uploads from users to server equipment travel at speeds up to 31.2

Kbps. An analogue phone line compatible with the V.90 standard and an Internet provider or

corporate host site compatible with the V.90 standard are necessary for these high-speed

downloads.

See http://www.3com.com/56k for details.

Table of Contents

TABLE OF CONTENTS ............................................................................................3

WELCOME TO 56K* INFORMATION ACCESS...................................................1

PRODUCT FEATURES .............................................................................................2

ERROR CONTROL AND DATA COMPRESSION SCHEMES................................................2

FAX MODULATION SCHEMES......................................................................................2

FAX STANDARDS........................................................................................................2

V.90 FRONT CHANNEL LINK RATES............................................................................2

V.90 BACK CHANNEL LINK RATES .............................................................................2

V.32BIS LINK RATES ..................................................................................................3

ADDITIONAL LINK RATES ...........................................................................................3

FAX LINK RATES........................................................................................................3

VOICE PRODUCT FEATURES................................................................................4

SPEAKERPHONE....................................................................................................... 4

PERSONAL VOICE MAIL .......................................................................................... 4

HARDWARE INSTALLATION (READ ME FIRST) ............................................. 6

INSTALLING THE MODEM WITH WINDOWS® 95, WINDOWS 98, AND

WINDOWS NT 4.0..................................................................................................... 8

PLUG AND PLAY (PNP) INSTALLATION ................................................................... 8

HOW TO INSERT THE MODEM INTO THE COMPUTER.............................................. 8

INSTALLING MODEM DRIVERS WITH WINDOWS 95 ...............................................13

INSTALLING MODEM DRIVERS WITH WINDOWS 98 ...............................................16

INSTALLING MODEM DRIVERS WITH WINDOWS NT 4.0 WITHOUT PNP ENABLED

................................................................................................................................20

INSTALLING MODEM DRIVERS WITH WINDOWS NT 4.0 WITH PNP ENABLED......21

UNINSTALLING THE MODEM WITH WINDOWS® 95, WINDOWS 98, AND

WINDOWS NT 4.0....................................................................................................24

WINDOWS 95 AND WINDOWS 98.............................................................................24

WINDOWS NT 4.0 ...................................................................................................25

TROUBLESHOOTING............................................................................................26

READ THIS FIRST!..................................................................................................26

GLOSSARY...............................................................................................................39

TECHNICAL REFERENCE....................................................................................57

TYPING COMMANDS ...............................................................................................57

BASIC DATA COMMANDS........................................................................................58

EXTENDED DATA COMMANDS................................................................................68

S-REGISTERS ..........................................................................................................78

FAX COMMANDS.....................................................................................................90

SCREEN MESSAGES.................................................................................................93

COMPLIANCE INFORMATION............................................................................94

COMPLIANCE WARNING.........................................................................................94

INTERCONNECTING PORTS.....................................................................................95

COMMAND RESTRICTIONS .....................................................................................95

REGULATORY INFORMATION...........................................................................97

INSTALLATION OF MODEM IN HOST PC..................................................................97

NETWORK COMPATIBILITY DECLARATION ...........................................................97

NOTE:.....................................................................................................................98

CE COMPLIANCE....................................................................................................98

Electromagnetic Compatibility.............................................................................98

This device complies with the following standards in accordance with the

European Directives 89/336/EEC........................................................................98

Safety (Low Voltage Directive).............................................................................98

OPERATION OF PAN-EUROPEAN APPROVED MODEMS ............................................99

WARRANTY...........................................................................................................100

CONTACT DETAILS................................................................................................108

Welcome to 56K* Information Access

The International Telecommunication

Union (ITU) determines the technical

protocols that communications devices

must use to operate with each other.

Modems that comply with ITU standards

can “talk” to other standards-compliant

modems and fax machines worldwide.

The ITU has decided on a worldwide

standard for 56K modem technology.

With a 3Com U.S. Robotics modem, you

can get 56K Internet access from any

service provider who offers the ITU

V.90 standard or 3Com 56K technology.

3Com is working with providers

everywhere to quickly upgrade their

service to the ITU V.90 standard.

* IMPORTANT! In accordance with the ITU

standard for 56K transmissions (V.90), this

modem is capable of 56 Kbps downloads.

However, due to varying line conditions, the

actual speeds you experience may be lower.

Uploads from users to server equipment travel at

speeds up to 31.2 Kbps. An analogue phone line

compatible with the V.90 standard and an

Internet provider or corporate host site

compatible with the V.90 standard are necessary

for these high-speed downloads. See

http://www.3com.com/56k for details.

Product Features

Modulation Schemes

ITU-T V.90

ITU-T V.34 (Inc 33,600)

ITU-T V.32bis

ITU-T V.32

ITU-T V.22bis

ITU-T V.22

ITU-T V 23

ITU-T V.21

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

V.90 Front Channel Link Rates

28000, 29333, 30666, 32000, 33333, 34666,

36000, 37333, 38666, 40000, 41333, 42666,

44000, 45333, 46666, 48000, 49333, 50666,

52000, 53333, 54666, 56000, 57333

V.90 Back Channel Link Rates

4800, 7200, 9600, 12000, 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

Voice Product Features

If your new modem has voice

capabilities, the following information

will apply:

Speakerphone

With the addition of a microphone, a set

of external, powered speakers (each

purchased separately), and the

appropriate software (included on CD-

ROM), your new voice modem provides

all the convenience of a full-duplex

speakerphone. Unlike many half-duplex

speakerphones, your modem allows you

to converse normally without annoying

echoes and distortion. Simply plug the

speakers into the socket on the modem

identified with the and the

microphone into the socket with the

icon and you are ready to go.

Personal Voice Mail

Personal Voice Mail turns your modem

into a full-featured messaging system.

Enjoy the convenience of professional

voice mail in your home or office.

With Personal Voice Mail and the

appropriate software, you can record

Indice

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