Radio Shack 25-3090 Owner's Manual

©

 2002 RadioShack Corporation.

All Rights Reserved.

RadioShack and RadioShack.com are trademarks 

used by RadioShack Corporation.

25-3090

OWNER’S MANUAL — Please read before using this equipment.

Thank you for purchasing the RadioShack USB 56K Fax/Modem. It lets you easily connect a 

notebook or desktop computer running Microsoft Windows 98, 2000, ME, or XP to the 

Internet, and to send and receive faxes or e-mail. It is light and compact, so it fits conveniently 

in your pocket. It complies fully with USB specification 1.1(0) and comes complete with a built-

in USB cable, a USB extension cable, and an RJ11 cable.

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This device complies with Part 15 of the 

FCC Rules. Operation is subject to the 

following two conditions: (1) this device may 

not cause harmful interference, and (2) this 

device must accept any interference 

received, including interference that may 

cause undesired operation. 

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Before connecting the fax/modem, verify 

that your computer’s processor is an Intel 

Pentium or compatible, running Windows 

98/98SE, Windows 2000, Windows ME, or 

Windows XP, and has an available USB 

port.

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1. Turn on your computer.

2. Flip up the phone line jack cover on the 

fax/modem. With the locking tab facing 

up, insert one end of the supplied RJ-11 

cable plug into the phone line jack until 

it clicks. Then connect the other end to 

the telephone line wall jack.

3. Connect the fax/modem’s USB plug to 

your computer’s USB port, using the 

supplied USB extension cable if 

necessary. The 

Add New Hardware 

Wizard screen appears. 

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4. Click 

Next

. The following screen 

appears.

5. Select 

Search for the best driver for your 

device (Recommended), 

then click 

Next

. 

The following screen appears.

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If an icon appears at the end of a paragraph, go 

to the box on that page with the corresponding 

icon for pertinent information.

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— Warning

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 — Important

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 — Caution

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 — Note

• Designed for both notebook 

and desktop PCs

• Complies with 56Kbps 

modem ITU V.90 standard

• Fax rates up to 14,400 bps

• Supports ITU-V.80 video 

conferencing

• Plug and play

• Low power consumption

• Power, on-hook, and 

transmit LED indicators 

Product:

USB 56K Fax/Modem

Model:

25-3090

Responsible

Party:

RadioShack

100 Throckmorton

Fort Worth, TX 76102

Phone:

817-415-3200

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If you need a longer USB cable, connect the 

supplied USB extension cable’s USB jack to 

the fax/modem’s USB plug by matching the 

USB icons on the fax/modem’s USB plug and 

the extension cable. Then connect the 

extension cable’s USB plug to the computer’s 

USB port.

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Installing the Fax/Modem ................................  1

Windows 98  .................................................  1

Windows 2000  .............................................  2

Windows ME ................................................  3

Windows XP  ................................................  4

Uninstalling the Fax/Modem Driver .................  5

Windows 98  .................................................  5

Windows 2000  .............................................  5

Windows ME ................................................  6

Windows XP  ................................................  6

Installing SuperVoice  ......................................  7

Operation ........................................................  7

Parts and Accessories  ....................................  8