Tait TB9100, Инструкция по установке и эксплуатации

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TB9100 Installation and Operation Manual
Glossary131
© Tait Electronics Limited May 2006
Glossary
This glossary contains an alphabetical list of terms and
abbreviations related to the TB9100 base station.
A
administrator
A special type of access to CSS functions, used for activities such
as changing passwords.
ADC
Analog-to-Digital Converter. A device for converting an analog
signal to a digital signal that represents the same information.
AGC
Automatic Gain Control. A device that optimizes signal level.
Alarm Center
Alarm Center is the Tait name for a utility that receives, stores,
and displays syslog messages from elements in the TaitNet P25
network.
analog FM mode
A mode of operation in which the RF interface transmits and
receives analog FM signal. The digital line sends and receives the
analog signal as G. 711 speech packets.
analog valid
Analog valid is a signal that indicates that the base station is
presenting a valid output on the analog line. This output can
originate from an analog FM or from a digital P25 call. The M-
line carries the analog valid signal.
ANI
Automatic Number Identification. A service that provides the
receiver of a call the number of the caller.
APCO
The Association of Public Safety Communications Officials in
the United States. The APCO Project 25 standards committee
defined a digital radio standard. The standard is often referred to
as APCO or P25.