23
*ORVVDU\
Cross references are printed in boldface. Cross references with items in the Command Summary chapter 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,
modulated into analog form, looped back to the receiver, and demodulated 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. Contrast with digital signals.
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 function, such as a word processor or a spreadsheet.
ARQ
Automatic Repeat reQuest. A general term for a function that automatically allows your modem to detect flawed
data and retransmit it. See MNP and V.42.
ASCII
American Standard Code for Information Interchange.
A 7bit binary code (0's, 1's) used to represent letters, numbers, and special characters such as $, !, and /.