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Hz
Hz
Hertz, a frequency measurement unit used
internationally to indicate one cycle per
second.
ITU-T
ITU-T
An international organization that
defines
standards for telegraphic and telephone
equipment. For example, the Bell 212A
standard for 1200-bps communication in
North America is observed internationally as
ITU-T V.22. For 2400-bps communication,
most U.S. manufacturers observe V.22 bis.
The initials ITU-T represent the French
name; in English it's known as the
International Telegraph and Telephone
Consultative Committee.
LAPM
LAPM
Link Access Procedure for Modems, an
error-control protocol defined in ITU-T
Recommendation V.42. Like the MNP
protocols, LAPM uses cyclic redundancy
checking (CRC) and retransmission of
corrupted data (ARQ) to ensure data
reliability.
Local Echo
Local Echo
A modem feature that enables the modem to
display keyboard commands and transmitted
data on the screen. See command En.
Summary of Contents for 005689-03
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