It is important to remember that your line conditions may change, so
you may be able to make faster connections in the future. To make
sure that you can use V.90 or 3Com 56K technology, perform the
First, make sure your modem supports V.90. You can verify
that your modem supports V.90 by opening a terminal
), typing
ati7,
and pressing
. If the Options line has V.90 listed, then your modem
supports V.90 and 3Com 56K technology.
Make sure that the number you’re dialing is an actual V.90 or
3Com 56K technology server. Some ISPs may have a
mixture of V.90 and non-V.90 servers. You can check this by
contacting your ISP and asking them about 56K technology
If it is a V.90 or 3Com 56K server, you may want to try calling
it a few more times. Remember, the phone company routes
each call differently. For testing purposes, you may want to
call into the 3Com BBS at 847 262 6000, which has V.90
If you are able to connect at V.90 speeds on the 3Com BBS,
there may be something between you and your ISP that is
preventing a V.90 connection from being negotiated. Contact
your ISP and see if they have received similar reports from
If you do not make a V.90 connection to our BBS, your
phone line might not be capable of supporting V.90 or 3Com
56K technology speeds. If you are experiencing consistent
problems with V.90 connections (i.e., not making a high
speed connection, abrupt disconnections, etc.), you can call
3Com Technical Support for U.S. Robotics modems at 847
e fails to initialize the modem.
Your software’s port settings may be incorrect. Make sure the
software’s port settings match those for your modem.
If you have an older version of RapidComm software on your system,
before installing the most recent version (con-
CD-ROM that comes with your new mo-
dem). Otherwise, system conflicts may hamper the RapidComm
If you are using an external modem, make sure the modem is plugged
in and turned on. Use only the power adapter included with the modem.
The CS light on the front panel should be illuminated. (An internal
modem should turn on automatically when the computer is turned on.)
Support Resources
If you have not fixed a problem after trying the suggestions in the
“Troubleshooting” section, you can receive additional help via one of
these convenient resources:
World Wide Web
Provides the same information as the Internet on Demand listing. Log
on to
www.usr.com/home/online
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
.
•
To have a document e-mailed to you, send the
document’s number as the subject.
Internet FTP
Provides a free library containing the same files as the BBS site. FTP to
ftp.usr.com
.
The 3Com BBS
Gives you access to customer and technical support documents and
hundreds of files and tips to help simplify using your modem.To connect
to the 3Com Bulletin Board System, follow these steps:
1.
Start your fax/data communications software. The software
settings for the BBS are:
•
ANSI terminal emulation
•
Data Bits: 8
•
Parity: None
•
Stop Bits: 1
2.
Put the software in terminal mode.
3.
Type
ATDT18472626000
and press
ENTER
. This dials
the 3Com BBS.
.
If you must dial a number (such as “9”) to reach an outside line, type
that number right after
ATDT
.
If this is your first time connecting to our BBS, you will be asked to
enter your name, create a password of your choice, and fill out a
questionnaire.
When you are ready to leave the BBS, type
G
(for “good-bye”) from the
main menu.
CompuServe
Provides resources such as file libraries, message boards, online
customer support, and product announcements.
•
Go to this address:
GO THREECOM
•
Address private messages to
76711,707
This equipment may not be used on coin se
telephone company. Connection to party li
An FCC compliant telephone cord and modu
equipment, which is designed to connect to
premises wiring using a Part 68 compliant c
tion instructions for details.
If you have an external modem:
UL Listing/CSA Certified
This information technology equipment is U
the uses described in the users guide.
If you have an internal modem:
UL Listing/CUL Listing
This information technology equipment is U
use with UL-Listed personal computers tha
detailing user installation of card accessori
Fax Branding
The Telephone Consumer Protection Act of
person to use a computer or other electron
machines, to send any message unless su
the margin at the top or bottom of each tran
page of the transmission, the date and time
the business or other entity, or other individ
and the telephone number of the sending m
other entity, or individual. (The telephone n
900 number or any other number for which
distance transmission charges.)
In order to program this information into yo
RapidComm manual on the CD-ROM that sh
you are using a different communication so
manual.
Radio and Television Interference
This equipment generates and uses radio f
installed and used properly, in strict accord
instructions, may cause interference to rad
The modem has been tested and found to c
Class B computing device in accordance wi
of FCC rules, which are designed to provide
against such interference in a residential ins
generates, uses and can radiate radio freq
installed and used in accordance with the in
interference to radio and television commu
