Tait TB9100, Инструкция по установке и эксплуатации

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TB9100 Installation and Operation Manual
Glossary139
© Tait Electronics Limited May 2006
N
NAC
Network Access Code. The 12 most significant bits of the
network identifier information that precedes every packet sent
on the CAI. The NAC identifies which network the data
belongs to, allowing base stations and mobiles to ignore packets
belonging to interfering networks.
navigation pane
The navigation pane is the left-hand pane of the CSS application
window. It displays a hierarchical list of items. When you click
an item, the main pane displays the corresponding form.
normal squelch
A type of squelch operation in which the receiver unmutes on
any signal with the correct NAC (digital P25) or subaudible
signaling (analog FM).
O
octet
A set of 8 bits.
operating range
Operating range is another term for switching range.
outbound
Outbound describes the direction of a signal: from a fixed station
over the air interface to a subscriber unit.
over
A single transmission, which begins when a user presses PTT and
ends when the user stops pressing.
P
P25
Project 25. A suite of standards and requirements intended for
digital public safety radio communications systems.
PA
The PA (power amplifier) is a base station module that boosts the
exciter output to transmit level.
packet domain
The speech processing area that deals with speech data that has
been collected up into a packet. IP networks convey packets.
The opposite of circuit domain.
PCB
Printed Circuit Board