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Welcome to 56K*Information Access
56K Voice Faxmodem Internal - User’s Guide 1
The International Telecommunications Union (ITU) decides 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 determined a worldwide standard for 56K modem technology.
With a U.S. Robotics modem, you can get 56K Internet access from any
service provider who offers the ITU V.90 standard or 3Com’s proprietary
56K technology. 3Com is working with providers everywhere to quickly
upgrade their service to the ITU V.90 standard.
∗ In accordance with the ITU standard for V.90 transmissions, this modem is capable of
56 Kbps downloads. However, the download speeds you experience may be lower due
to varying line conditions and other factors. Uploads from users to server equipment
travel at speeds up to 31.2 Kbps. An analogue phone line compatible with the ITU V.90
standard or 3Com’s proprietary 56K technology, and an Internet provider or corporate
host site with the ITU V.90 standard or 3Com’s proprietary 56K technology are
necessary for these high-speed downloads. The ITU V.90 standard was officially
determined in February, 1998 and is expected to be ratified in September, 1998. See
www.3com.com/56k for details.