Nokia of America Corporation BBTRX-14 Benutzerhandbuch

Glossary

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Numerics

3GPP

3rd Generation Partnership Project

A (Ampere)

Base SI unit of electrical current.

A-GPS

Assisted Global Positioning System

AC (Alternating Current)

Continuously variable current, rising to a maximum in one direction, falling to zero, then
reversing direction and repeating the cycle in the other direction.

AC convenience outlet

Sites must be equipped with at least two duplex outlets for installation and maintenance
procedures. The outlets are required to power test equipment and installation tools.

ACF (AC Fail)

The AC Fail (ACF) alarm indicates that AC input to one or more rectifiers in the power plant is
absent or outside of the operating range of the equipment

Ambient temperature

The temperature of air or other media in a designated area, particularly the area

ANSI (American National Standards Institute)

An organization chartered to accredit standards developed by a wide variety of industry groups,
without influence from any one company or organization. Does not develop standards, but
reviews and implements those developed by other organizations. ANSI is a member of the
International Standards Organization (ISO).

Antenna

An elevated device for radiating or receiving radio waves. It changes electrical currents into
electromagnetic waves, and vice versa.

AP (Application Processor)

Network element located at the MSC which provides the radio control logic for managing calls.
The AP is a general purpose computer that can host a number of RCS virtual machines.

December 2013

Alcatel-Lucent – Proprietary

Use pursuant to applicable agreements

GL-1