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GLOSSARY

Cross references are printed in boldface. Cross

references to items also found in the “Technical

Quick Reference” 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, 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.

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US Robotics x2/56K Istruzioni per gli Interventi Pagina 92