User's Manual

DRAFT 1
122 Glossary TB9300 Installation and Operation Manual
© Tait Limited May 2013
SNMP Simple Network Management Protocol. A protocol used (for example) by
the trunking site controller to monitor the status of the channel group and
its members.
system control bus Provides the following physical paths in a TB9300 base station:
■ I
2
C and RS-485 communications between the modules in the subrack
■ fan power from the PMU
■ power connections for the reciter and front panel.
TaitNet Brand name for any PMR network designed and manufactured by Tait
Limited.
TaitNet DMR
network
A set of Tait base stations interconnected by an IP network that can carry
voice and data traffic.
TB9300 Base
Station
A DMR-compliant base station consisting of the equipment necessary to
receive and transmit on one channel. Generally, this means a reciter, a PA,
and a PMU. Often abbreviated to TB9300 or base station.
TCP Transmission Control Protocol. A complex protocol on top of IP for
sending reliable streams of data with flow control.
TDMA Time Division Multiple Access. In the TB9300 each radio frequency
provides two timeslots, with each timeslot representing one logical
channel.
TELCO Telephone company.
TIA Telecommunications Industry Association
toggle Describes the switching between two states. If something is on, toggling it
turns it off. If it is off, toggling it turns it on.
tone A sound wave of a particular frequency.
Tx Transmitter.
UDP User Datagram Protocol. A simple protocol on top of IP for sending
streams of data.
uplink The transmission path from mobile stations to fixed equipment.