Ericsson RBS 2106 Hardware Reference Manual page 406

Glossary
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Transmitter Antenna B
Transmitter BandPass filter
Radio Transmitter Unit
Unavailable Seconds
UnAvailable STate supervision
Underwriter Laboratories
Signalling direction from the MS to the system.
Uninterrupted Power Supply
Voltage Controlled Oscillator
Voltage Standing Wave Ratio RF signal measure. The
quotient between transmitted and reflected voltage.
The X bus carries transmit air data frames between
transceivers.
The interface between the DXU and each DSP System
in core based TRUs.
The contents of this document are subject to revision without
notice due to continued progress in methodology, design and
Ericsson shall have no liability for any error or damages of any
kind resulting from the use of this document.
© Ericsson 2002 — All Rights Reserved
EN/LZT 720 0283 Uen R1A
RBS 2000
manufacturing.