Us robotics 33.600, 28.800 User Manual
User’s Guide
SPORTSTER VOICE
33.600 and 28.800 Faxmodem
U.S. Robotics and the U.S. Robotics logo are registered trademarks of U.S. Robotics. Any 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.
© 1996 by U.S. Robotics.
7770 North Frontage Road
Skokie, IL 60077-2690
All Rights Reserved
This manual covers installation and operating instructions for the following U.S. Robotics modems:
· Sportster Voice 33.600 and 28.800 Faxmodem
This product complies with the Low Voltage Directive (LVD) and Electromagnetic Compatibility (EMC) directive.
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Introduction to U.S. Robotics..............................................................1
Introduction to Modem Technology ...................................................2
Features.............................................................................................3
External Modem Installation...............................................................5
Internal Modem Installation ................................................................8
Communications Software...............................................................13
Troubleshooting................................................................................16
U.S. Robotics Online Resources......................................................21
Glossary...........................................................................................24
7DEOHRI&RQWHQWV
Quick Reference ..............................................................................34
S-Registers..........................................................................47
Warranty...........................................................................................55
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Congratulations! You have just purchased the Sportster Voice 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.
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.
For more information on U.S. Robotics, visit the U.S. Robotics World Wide Web Home Page at:
http://www.usr.com
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A modem is a computer peripheral that allows you to connect and communicate with other computers via telephone
lines. Modems allow you to combine the power of your computer with the global reach of the telephone system.
Because ordinary telephone lines cannot carry digital information, a modem changes the digital data from your
computer into analog data, a format that can be carried. In a similar manner, the modem receiving the call then
changes the analog signal back into digital data that the computer can digest. This shift of digital data into analog
data and back again allows two computers to “speak” with one another. Called modulation/ demodulation, this
transformation of signals is how the modem received its name.
With a modem and a standard telephone line, you can send faxes to the office or important customers without
leaving your computer. And with an online or internet connection, you can share recipes with fellow gourmets, catch
up on the latest news, view a weather map from Singapore, keep in touch with distant friends by electronic mail,
surf the World Wide Web and much more.
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Data Communications
Your modem offers a range of internationally accepted standard modulation methods and protocols. It utilizes
hardware-based V.42/MNP 2-4 error control and V.42 bis/ MNP 5 data compression.
Your modem will transmit at speeds up to 33.600 bps with throughput to 115.200 bps. Also, it is universally
compatible with the following standards: V.34, V.FC, V.32 bis, V.32, V.22 bis, Bell 212A/V.22, V.23, V.25 and Bell
103/V.21 modems.
Fax Capability
You can use your modem with Class 1 or Class 2.0 fax software to exchange faxes with Group 3 fax machines
worldwide at speeds up to 14.400 bps.
Plug and Play
Plug and Play allows a computer to configure the modem's settings automatically. Your computer sets the optimal
configuration for the modem and your software applications automatically adjust to that configuration.
Once your system sets the configuration, it will use this configuration every time you turn on your machine.
3
Speakerphone
You can use your new Sportster as a full-duplex speakerphone without the echoing sound of some speakerphones.
The full-duplex feature allows you to speak at the same time as someone on the other end without losing any sound
quality. This affords you all the convenience of a speakerphone without the extra hardware and cords for the home
or office.
External modems have built-in microphones and you can attach a microphone and speaker to the internal models.
Personal Voice Mail
With Personal Voice Mail, your modem is a full-featured messaging system offering business-quality voice mail
features in the convenience of your home or office.
Using this feature, you can send voice greetings and record voice messages like a standard answering machine
with several “voice mailboxes” on one system. You can even access your voice messages remotely. Your modem
will autodetect incoming fax/voice/data calls and provides fax-on-demand services you can tailor to your needs.
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Getting Started
This chapter will walk you through the installation of your external modem with your personal computer.
Before getting started, make sure that you have the following items:
· Modem
· Serial Cable
· Data/Fax/Voice software and Manual
· RJ11 phone cord
· Power Adapter
· Telephone plug
· Analog (Standard) Telephone Jack
· This Guide
There are two parts to installation: software and hardware. Software allows you to communicate with your modem
so that you can send and receive data and faxes, as well as activate voice features. Software installation is
discussed in your communications software manual. Hardware is the modem itself, which will be connected to your
computer by the serial cable.
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Hardware Installation Steps
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Before you begin the modem installation, turn off your computer and any attached devices, such as a printer. Follow
these steps to install your modem. Refer to the drawing below of the back panel.
1. Connect the serial cable to the modem and to the computer. When looking for your serial port label on
the back of your computer, select COM, MODEM, RS-232, or SERIAL.
Do NOT select AUX, GAME, LPT, or PARALLEL.
Note which serial port you selected.
This information will be necessary when installing your communications software.
2. Plug the power adapter into the power jack and into a standard wall outlet.
3. Plug one end of the phone cord into the telephone jack (labeled with a wall plug icon on the bottom of the
case) and the other end into a phone wall jack.
4. If you wish to use your modem and phone through the same phone wall jack, plug your phone's cord
into the modem's other jack (labeled with a phone icon on the bottom of the case). (Country
Specific)
5. You can also use the speaker jack if you have your own speaker. For more information, see the
next page and consult your software manual.
To computer
To speaker
To wall
ack
To phone
To power
source
Volume
Power
on/off
6
Speaker Attachment
An optional 8 ohm speaker or headset can be connected to the 3.5 mm speaker jack located on the back of your
Sportster. This accessory may provide higher sound quality, but it is not necessary to utilize your voice features.
Microphone
The microphone that is built into your modem is located on the front panel.
Installing your Software
1. Insert the software diskette included with your modem or another modem software disk. If using
other software, consult its own manual for installation procedures.
2. From Program Manager, choose File. Then choose Run and type a:\install and press <Enter>.
3. Once the software is installed, enter the software group and click on the application icon.
You have successfully finished installing your modem and software.
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Getting Started
This chapter will walk you through the installation of your internal modem. Before getting started, make sure that
you have the following items:
· Modem
· Data/Fax/Voice software and Manual
· RJ11phone cord
· Telephone plug
· Analog (Standard) Telephone Jack
· Phillips Head Screwdriver or 1/4" Hex Screwdriver
· This Guide
Also, be sure that you have an available 8- or 16-bit expansion slot in your computer.
Installation
There are two parts to the installation of your modem: hardware and software. Hardware is the modem itself, which
will be installed inside of your computer. Your modem should be installed before your software.
Software allows you to communicate with your modem so that you can send and receive faxes, call an online
service to access e- mail, call a local Bulletin Board (BBS), or surf the Internet via the Wor ld Wide Web. Software
installation is discussed in your communications software manual.
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Plug and Play Feature
Your new modem features Plug and Play installation, the fastest, easiest way to add new devices to your PC.
Plug and Play allows a computer to configure the modem's settings automatically. Your computer sets the optimal
configuration for the modem and your software applications automatically adjust to that configuration.
Most operating systems, including Windows 95, support Plug and Play. Configuring your new modem with
Windows 95 is addressed near the end of this chapter.
Consult your software manual or computer manufacturer to see whether your system supports the Plug and Play
features.
Once your system sets the configuration, it will use this configuration every time you turn on your machine.
In order to activate the Plug and Play feature with your modem, you must take off all the contacts on the COM port
and IRQ jumpers on the modem. You will be able to tell which COM port your modem has been set to by having
your communications software search for the COM port. Later sections of this chapter will explain how to locate
and change the COM port and IRQ settings.
Locating the Jumpers
Using the drawing of the modem to the right, find where the COM port and IRQ jumpers are located on your
modem.
COM
0 1 SEL
IRQ
23457
9
If You are Using Plug and Play...
0
0
L
Take off all of the connections on the COM port and IRQ jumpers. Your jumpers should look like the following
illustration.
C O M
0 1 S E L
IRQ
2 3 4 5 7
If You are NOT Using Plug and Play...
Your modem was shipped with jumpers set at COM 2 and IRQ 3. See the figure in the section titled Locating the
Jumpers.
To change the settings on your modem, lift the black plastic pieces and place them on the contacts to match the
desired settings. The settings are as follows:
COM 1
COM 3
1 SEL
0 1 SEL
COM 2
COM 4
1 SE
0 1 SEL
To change the settings on your modem, lift the black plastic pieces and place them on the contacts to match the
desired settings. The settings are as follows:
The following is a list of recommended combinations of COM port and IRQ settings when not using Plug and Play:
COM 1, IRQ 4. COM 2, IRQ 3
COM 3, IRQ 4. COM 4, IRQ 3
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Installing the Modem
1. Before installing your modem, write your modem's serial number here:________________________.
2. (You can find the serial number on the white sticker under the bar code on the modem and on the
outside of the box.)
3. Turn off and unplug your computer and any peripheral devices, such as a printer.
4. Remove the computer's cover. Refer to the computer manual, if necessary, to see which rear panel
screws to remove before sliding the cover off.
5. Unscrew and remove the solid bracket at the back of any available expansion slot.
6. Insert the modem board into the slot you have chosen with the gold leads on the modem board's edge
firmly in the slot's groove.
7. Once the modem is in place, screw the bracket at the back of the modem firmly to the computer's rear
panel. This ensures that the modem board is firmly in place.
8. Replace the computer cover and all its screws. Reattach all cables and power cords.
9. If you currently have a phone plugged into the wall jack, disconnect it. Plug one end of the phone
cable that came with the modem into the TELCO jack at the rear of the modem. Plug the other end of the cable
into the wall jack.
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Configuring with Windows 95
After removing all the connectors from the modem’s jumpers and installing the modem, turn your computer on.
Then follow these steps:
1. In the New Hardware Found dialog box, select the Select from a list of alternate drivers option. Then click
on the OK button.
2. In the Select Hardware Type dialog box, find and click on the Modem selection. Then click on the OK
button.
3. In the Install New Modem dialog box, find and click on the U.S. Robotics selection in the Manufacturers
list.
4. Next, find and click on your modem model listed in the Models list. Then click on the OK button.
Windows 95 has now been configured to work with your new modem. Now you’re ready to install your software.
Installing your Software
1. Insert the software diskette included with your modem or another modem software disk. If using other
software, consult its own manual for installation procedures.
2. From Program Manager, choose File. Then choose Run and type a:\install and press <Enter>.
3. Once the software is installed, enter the software group and click on the application icon.
You have successfully finished installing your modem and software.
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Note: If you are using the communications software included with your modem, you can disregard this chapter.
However, if you are using your own communications software, please refer to the software's manual and this
chapter.
Communications software allows you to change settings and issue commands to your modem.
The software included with your modem is preconfigured for optimal performance with the Sportster. Refer to the
software manual for any additional information. Be sure to install software after the modem is installed.
Configuring Your Modem
Some programs allow you to select your modem type from a menu. Select the appropriate U.S. Robotics Sportster
High Speed modem. If yours is not present, try a Courier Dual Standard, V.32 bis, V.FC, or V. 34.
Other programs require you to enter an initialization string in the software Modem Setup screen. If this is the case,
enter the following string to initialize your modem with the optimal settings for your pc:
AT&F1<Enter>.
These settings include: hardware flow control, a fixed serial port rate, and full result codes.
If you must use software flow control, enter the following string:
AT&F2<Enter>
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Configuring Your Software
1. Turn on your computer (and modem if you have an external).
2. Install your communications software (refer to the software's documentation).
3. If you have an external modem, follow this step. Otherwise, skip to step 4.
· From DOS, change to your Windows directory and type MSD.
· Type C for COM Ports. Find the line UART Chip Used and match it with the COM Port
column to which you attached your modem to determine the UART type (usually 8250,
16450, or 16550). Remember your UART type for step 5.
4. Start your communications software program.
5. Set the software's serial port (baud) rate based on your UART type. Also, fix or lock the serial port rate (if
referred to as autobaud, select OFF).
UART Serial Rate
16550 115.2K or 57.6K bps
16450 38.4K bps
8250 19.2K bps
Note: All internal Sportsters have a 16550 UART on the modem. Some software packages offer 12.000 bps
as a serial port rate. Do NOT select this option. Your modem will not function properly with that setting.
6. Specify the serial (COM) port used by the modem in your communications software if working in
DOS. The default configuration on internal modems is COM 2, IRQ 3, unless you have changed it.
For external modems, check the serial port to which your modem is connected.
7. Specify your modem's flow control setting: RTS/CTS for hardware flow control (highly
recommended) or XON/XOFF for software flow control. You should disable the flow control
method you are not using.
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Testing Your Installation
1. To test your modem and software installation, perform the software function that puts your computer
in Terminal mode. In Terminal mode, a cursor appears on your screen, allowing you to send commands
directly to the modem.
2. To determine if your computer and modem are communicating properly, type the following
command: AT E1 Q V1<Enter>
· If the COM port and IRQ settings are correct on your modem and in your software, the
modem responds: OK
· If the characters you type do not appear, no OK appears, or double characters appear, see
the Troubleshooting section in this guide.
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