GLOSSARY110Cross references are printed in boldface. Crossreferences to items also found in the “TechnicalQuick Reference” chapter are printed in italics.analog loopbackA modem self-test in which data from thekeyboard or an internal test pattern is sent tothe modem's transmitter, turned into analogform, looped back to the receiver, andconverted back into digital form.analog signalsA variety of signals and wavelengths that canbe transmitted over communications lines suchas the sound of a voice over the phone line.answer modeThe mode used by your modem whenanswering an incoming call from an originatingmodem. The transmit/receive frequencies arethe reverse of the originating modem, which isin originate mode.applicationA computer program designed to perform aspecific task or set of tasks. Examples includeword processing and spreadsheet applications.ARQAutomatic Repeat reQuest. A function thatallows your modem to detect flawed data andrequest that it be retransmitted. See MNP andV.42.ASCIIAmerican Standard Code for InformationInterchange. A code used to represent letters,numbers, and special characters such as $, !,and /.
