3Com 005683-00 - Manuale utente
This manual covers installation and operating instructions for the following 3Com modem:
U.S. Robotics 56 kbps∗Winmodem™
U.S. Robotics is a registered trademark and Connections, RapidComm, and x2 are trademarks of
3Com Corporation and 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 America Online Inc. Any other trademarks, trade names, or service marks used in this manual are
the property of their respective owners.
© 1998 3Com Corporation
7770 North Frontage Road
Skokie, IL 60077-2690
All Rights Reserved
∗∗ IMPORTANT! In accordance with the ITU-T standard for 56K transmissions, this modem is capable
of 56 Kbps downloads. However, due to FCC rules which restrict power output of the service
providers’ modems, current download speeds are limited to 53 Kbps. Actual speeds may vary
depending on line conditions and other factors. Uploads from users to server equipment travel at
speeds up to 31.2 Kbps. An analog phone line compatible with the ITU-T 56K standard or x2
technology, and an Internet provider or corporate host site compatible with the ITU-T 56K standard
or x2 technology are necessary for these high-speed downloads.
TABLE OF CONTENTS
Welcome to 56k Information Access 1
Product Features 2
Windows 3.x Installation 3
How to Insert the Modem 4
Running the Installation on a Windows 3.1 or 3.11 System 8
Before You Begin (Windows 95 Users) 13
Windows 95 Installation 14
How to Prepare For Plug and Play 14
Checking Your Version of Windows 95 14
Checking Your System’s Resources 16
How to Insert the Modem 17
Installing the Winmodem Software in Windows 950a 21
Installing the Winmodem Software in Windows 950b 22
Un-Installing the Winmodem Software in Windows 26
Software Installation and Testing 29
Software Installation and Registration Using the Update Wizard 29
Starting the Wizard 30
Installing the RapidComm Fax/Data Software 31
TABLE OF CONTENTS
Installing Other Fax/Data Software 32
Type of Modem 32
Initialization String 32
Flow Control 33
Using Modem Station 34
Why Modem Station? 34
What Does Modem Station Do? 34
Installing Modem Station 34
Starting Modem Station 37
Using Detect New Modems 39
Using Terminal 40
Using Modem Configurator 43
Using Modem to Computer 46
Using the Extended Information Screens 50
U.S. Robotics Update Wizard 56
Installing the Wizard 57
Updating Your Modem 57
Troubleshooting and Online Help Resources 58
Problems and Solutions 58
Online Help Resources 69
Are You Still Having Problems? 72
If You Need to Return the Modem to 3Com 73
TABLE OF CONTENTS
Glossary 74
Regulatory Information 88
Manufacturer’s Declaration of Conformity 88
Caution to the User 89
(Canada) IC 89
UL Listing/CUL Listing 89
Connecting to the Telephone Company 90
Fax Branding 90
Radio and Television Interference 91
For Canadian Modem Users 92
Limited Warranty 95
WELCOME TO 56K INFORMATION ACCESS
1
The International Telecommunications Union
(ITU) decides 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 decided on a worldwide 56K
standard technology. So, now with a
U.S. Robotics modem you can get all the
Internet you want from any service provider
who offers the ITU standard 56K technology
or x2™ technology.
This modem will give you the most
compatibility with high speed downloads from
service providers that offer the ITU 56K
standard technology or x2 technology to their
customers. 3Com is working with providers
everywhere to quickly upgrade their service to
the ITU 56K standard.
*Capable of receiving up to 56 Kbps and sending
up to 31.2 Kbps. Due to FCC regulations, receiving
speeds are limited to 53 Kbps. Actual speeds may
vary. Requires compatible phone line and server
equipment. Complies with both the proposed ITU
56K standard and x2 protocols. ITU 56K standard
officially determined in February, 1998; expected to
be ratified in September, 1998. See
www.3com.com/56k
PRODUCT FEATURES
2
Modulation Schemes
56K ITU-T standard
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, 36000, 37333,
38666, 40000, 41333, 42666,
44000, 45333, 46666, 48000,
49333, 50666, 52000, 53333,
54666, 56000, 57333
Back Channel Link Rates
4800, 7200, 9600, 12000, 14400,
16800, 19200, 21600, 24000,
26400, 28800, 31200
33600
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 Rates2400, 4800, 7200,
9600,
12000, 14400
WINDOWS 3.X INSTALLATION
3
These instructions cover the installation of the
Winmodem hardware and the accompanying
software under Windows 3.x. These
instructions are for users of either Windows
3.1, Windows 3.11, or Windows for
Workgroups.
You’ll need these items from your
U.S. Robotics modem box:
the modem a phone cord
Connections CD
Winmodem disk Installation
Guide
Plus: a screwdriver (not included)
WINMODEMINSTALLATIONUNDERWINDOWS3.X
4
This chapter will walk you through the
installation of your Winmodem. There are two
parts to the installation: hardware (the modem)
and software. The modem must be installed
before the software.
NOTE:Your Winmodem supports
Plug and Play installation, the fastest,
easiest way to add new features (a
modem, a sound card, etc.) to your PC.
Howto Insertthe Modem
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
modem.
1. Shut down Windows, turn off your
computer and unplug it from the electrical
outlet.
2. Unplug any peripheral devices (printer,
monitor, keyboard) from the computer.
WINMODEMINSTALLATIONUNDERWINDOWS3.X
5
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.
CAUTION:To avoid the risk of electric
shock, make sure your computer and all
peripheral devices are turned off and
unplugged.
3. Remove the screws from your computer’s
cover and then remove the cover. Your
computer may look different from the
drawing on the right, but the basic principle
for removing the cover should be the same.
Refer to your computer manufacturer’s
manual if you need further instructions.
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 metal.) 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.
WINMODEMINSTALLATIONUNDERWINDOWS3.X
6
5. Holding the modem by each corner, align
the gold edge with an empty expansion
slot. Push down gently until the modem
snaps into the slot. (Note: The drawing
shows horizontally aligned expansion slots.
Some computers have vertically aligned
slots. The instructions apply to both styles.)
You’ll have to apply a little pressure to
seat the modem properly. Sometimes a
gentle back-and-forth motion helps get the
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. Take the modem all the way out
and try again.
6. Once the modem is seated, secure it using
the screw you removed in step 3.
7. Put the computer’s cover back on and
replace the screws.
8. If you currently have a phone plugged into
the wall jack you’re going to use for the
modem, disconnect the phone’s cable from
the jack. (See Warning statement on next
page.)
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