Glossary - Motorola ASTRO XTS 2500 User Manual

Glossary

This is a list of specialized terms used in this manual.
ACK
Active Channel
Analog Signal
ASTRO 25 Trunking Motorola standard for wireless digital trunked
ASTRO
Conventional
Call Alert
Carrier Squelch
Central Controller
Channel
Control Channel
Conventional
ASTRO XTS 2500/XTS 2500I Model I
Acknowledgment of communication.
A channel that has traffic on it.
An RF signal that has a continuous nature
rather than a pulsed or discrete nature.
communications.
Motorola standard for wireless analog or
digital conventional communications.
A page received by your radio, along with an
audible tone.
Feature that responds to the presence of an
RF carrier by opening or unmuting (turning
on) a receiver's audio circuit. A squelch circuit
silences the radio when no signal is being
received so that the user does not have to
listen to noise.
A software controlled, computer-driven device
that receives and generates data for the
trunked radios assigned to it. It monitors and
directs the operations of the trunked
repeaters.
A group of characteristics such as transmit/
receive frequency pairs, radio parameters,
and encryption encoding.
In a trunking system, one of the channels that
is used to provide a continuous, two-way/data
communications path between the central
controller and all radios on the system.
Typically refers to radio-to-radio
communications, sometimes through a
repeater. (See Trunking.)
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