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Sportster Winmodem 33600 & x2/56K - User's manual 61
Glossary
Analog signals
Variable and continuous waves, such as voice tones carried by
telephone lines. Compare with digital signals.
ARQ
General term qualifying error correction protocols that detect
errors and automatically re-transmit the incorrect data blocks.
See MNP and V.42.
ASCII
Acronym for American Standard Code for Information
Interchange. 7 bit binary code (0 and 1) used to represent
letters, numbers and special characters such as $,! and /.
Asynchronous transmission
Data transmission during which the time between transmission of
characters can vary. Since the time delays between characters
are not uniform, the receiving modem must be signaled when the
start and end of a characters data bits occur. Stop and start bits
are therefore added to each character transmitted.
Baud rate
Number of state transitions per second on a communications
channel. Even though it is incorrect from a strictly technical point
of view, the baud rate is often used to indicate the transmission
rate.