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Glossary
M
MNP
Microcom Networking Protocol. Levels 2—4 of this protocol
detect and correct data errors caused by poor telephone line
conditions. Level 5 includes data compression.
modem
MOdulator/DEModulator. A device used to convert data from a
digital signal to an analog signal so that data can be transmitted
over a telephone line. Once the data is received, the analog
signal is converted back into a digital signal.
modem port
The modem port is the connection between the modem and the
telephone line.
modulation
A modem modulation is a set of guidelines that determines
how the modems connect and at what speed they communicate.
Modulations, such as V.32bis, V.32, V.22bis, V.22, Bell 212A,
and Bell 103, have a maximum and minimum data rate. See
also data rate.
N
Nonvolatile
This term describes memory which does not lose its contents
when the device is powered down. Modem options are saved in
nonvolatile memory when you use the &W command.
Issue 1 November 1994
GL-7
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