Appendix A: For 56K Users 35
Appendix A: For 56K Users
Your 56K faxmodem supports both the V.90 ITU (Inter-
national Telecommunications Union) Standard, and
K56flex, the most commonly used pre-standard 56K
technology. This 56K faxmodem can detect the standard
supported by a central site and automatically set itself for
maximum performance.
Memory Upgrades
Your modem has drivers that allow you to easily upgrade
its onboard software or firmware. This is useful for code
updates and feature upgrades. You simply download the
new software files and then load the files into your PC’s
memory. Visit the www.modems.com web site to get the
latest code.
Other Important Things to Remember
• To connect at speeds faster than 33.6 Kbps, you must
be connected to a central site that is enabled for V.90
or 56Kflex (such as an Internet Service Provider), not
another 56K modem.
• The technology is capable of receiving data at speeds
up to 56 Kbps. Typical connection speeds range from
42 to 52 Kbps. However there are a number of factors
that can affect the actual connection speed, including
the following:
− the physical distance between you and the tele-
phone company.
− the quality and type of connection between you
and your ISP.
• Some office phone systems reduce data rates, and
may even prevent performance over V.34 speeds (33.6
Kbps or slower).
• Line coding varies by country and phone service pro-
vider. The USA, Canada, Japan, and South America
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