144 Glossary TB9300 Installation and Operation Manual
© Tait International Limited April 2024
TDMA
Time Division Multiple Access. In the TB9300 each radio frequency
provides two timeslots, with each timeslot representing one logical
channel.
tone A sound wave of a particular frequency.
Tx Transmitter.
uplink The transmission path from mobile stations to fixed equipment.
voice stream A digitized voice signal that passes through the main switch.
VoIP Voice over IP. The name for the technology that puts speech signals in
packets and then routes them over an IP backbone network.
VSWR Voltage Standing Wave Ratio is the ratio of the maximum peak voltage
anywhere on the transmission line to the minimum value anywhere on the
transmission line. A perfectly matched line has a VSWR of 1:1. A high
ratio indicates that the antenna subsystem is poorly matched.
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