GLOSSARY
103
Cross references are printed in boldface. Cross references
with items in the Command Summary, found in the
Technical Quick Reference (Section D), are printed in
italics.
analog loopback
A modem self-test in which data from the keyboard or an
internal test pattern is sent to the modem's transmitter,
turned into analog form, looped back to the receiver, and
converted back into digital form.
analog signals
A variety of signals and wavelengths that can be
transmitted over communications lines such as the sound
of a voice over the phone line.
answer mode
The mode used by your modem when answering an
incoming call from an originating modem. The
transmit/receive frequencies are the reverse of the
originating modem, which is in originate mode.
application
A computer program designed to perform a specific task
or set of tasks. Examples include word processing and
spreadsheet applications.
ARQ
Automatic Repeat reQuest. A function that allows your
modem to detect flawed data and request that it be
retransmitted. See MNP and V.42.
ASCII
American Standard Code for Information Interchange. A
code used to represent letters, numbers, and special
characters such as $, !, and /.
asynchronous transmission
Data transmission in which the length of time between
transmitted characters may vary. Because characters may
not be transmitted at set intervals, start/stop bits are used
to mark the beginning and end of each character.