User's Manual

Table Of Contents
DRAFT 1
TB9300 Installation and Operation Manual Glossary 119
© Tait Limited May 2013
isolator A passive two-port device which transmits power in one direction, and
absorbs power in the other direction. It is used with a PA to prevent damage
to the RF circuitry from high reverse power.
kernel The core executable of an operating system.
LAN Local Area Network. A computer network that interconnects computers in
a limited area, such as a single building or group of buildings.
LED Light Emitting Diode. Also the screen representation of a physical LED.
license Some operational functions of the base station are controlled by licenses.
Purchasing a license from Tait allows you to enable the feature set which
includes the required functionality.
logical channel One of the two timeslots provided in each TB9300 radio frequency. Each
timeslot can function as a separate logical channel, independent of the other
timeslot. One radio frequency can therefore carry two separate voice or
data streams, one in each timeslot.
mobile station The term used in the ETSI DMR standard documents for a two-way radio
(generally a mobile or a portable radio) conforming to the DMR
specifications.
mute Prevents audio from being passed to the radio’s speaker.
MS Mobile Station (see above).
NAT Network Address Translation allows the use of a single IP address for a whole
network of computers. A NAT sits between the public Internet and the
network it serves, and works by rewriting IP addresses and port numbers in
IP headers on the fly so the packets all appear to be coming from (or going
to) the single public IP address of the NAT device instead of the actual
source or destination.
network element Any device that is network-connected. A TaitNet digital network consists
of a number of network elements. The TB9300 base station is a network
element designed and manufactured by Tait.
NTP Network Time Protocol is a protocol and software implementation for
synchronizing the clocks of computer systems across a network. An NTP
server obtains the correct time from a time source and sets the local time in
each connected computer.
octet A set of 8 bits.