Tait TB9100, Инструкция по установке и эксплуатации

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140Glossary
TB9100 Installation and Operation Manual
© Tait Electronics Limited May 2006
PMU
The PMU (power management unit) is a module that provides
power to the base station.
pre-emphasis
Pre-emphasis is a process in the transmitter that boosts higher
audio frequencies.
program
The act of sending a configuration data set from the CSS to the
base station.
Project 25
A project set up by APCO (the Association of Public Safety
Communications Officials International), together with other
US governmental organizations, to develop standards for
interoperable digital radios to meet the needs of public safety
users.
PSTN
Public Switched Telephone Network: The public telephone
network.
PTT
Push To Talk. The button on a radio terminal that keys the
transmitter.
Q
QoS
Quality Of Service.
R
reciter
The reciter is a module of a TB9100 base station that acts as
receiver and exciter.
repeater talkaround
Repeater talkaround allows the radio user to bypass repeater
operation and so communicate directly with other radios. While
repeater talkaround is active, all transmissions are made on the
receive frequency programmed for the channel.
reverse tone burst
Reverse tone bursts can be used with CTCSS. When reverse
tone bursts are enabled, the phase of the generated tones is
reversed for a number of cycles just before transmission ceases. If
the receiver is configured for reverse tone burst, it responds by
closing its gate.