Glossary:

ATIS Telecom Glossary

Search Keyword By: all

Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

armor

Of a communications cable, a component intended to protect the critical internal components, e.g., buffer tubes or fibers, or electrical conductors, from damage from external mechanical attack, e.g., rodent attack or abrasion. [After FAA]
Note: Armor usually takes the form of a steel or aluminum tape wrapped about an inner jacket that covers the critical internal components. An outer jacket… (Read More →)

ARPANET

Abbreviation for Advanced Research Projects Agency Network. A packet-switching network used by the Department of Defense, later evolved into the Internet.

ARPT

Active Reader Passive Tag

ARQ

Abbreviation for automatic repeat-request. Error control for data transmission in which the receiver detects transmission errors in a message and automatically requests a retransmission from the transmitter.
Note: Usually, when the transmitter receives the ARQ, the transmitter retransmits the message until it is either correctly received or the error persists beyond a predetermined number of retransmissions. Synonyms error-detecting-and-feedback system, repeat-request… (Read More →)

array

1. An arrangement of elements in one or more dimensions.
2. In a programming language, an aggregate that consists of data objects with identical attributes, each of which may be uniquely referenced by subscription.

arrester

A device that protects hardware, such as systems, subsystems, circuits, and equipment, from voltage or current surges produced by lightning or electromagnetic pulses.
Note: If the hardware is adequately protected, associated software may also be adequately protected. Synonymssurge protective device, surge suppressor.

Showing 471–480 of 9,487 results