Reference Manual

Glossary
A 0.577 ms period (TDMA frame subunit)
corresponding to 156.25 raw bits of
information. The eight time slots of each
TDMA frame are numbered 0...7.
⇒ Burst
TT Total Time
TU Timing Unit
TX Transmitter
TXA Transmitter Antenna A
TXB Transmitter Antenna B
TXBP Transmitter BandPass filter
TXU Radio Transmitter Unit
UAS Unavailable Seconds
UL Underwriter Laboratories
Uplink Signalling direction from the MS to the
system
UPS Uninterrupted Power Supply
VCO Voltage Controlled Oscillator
VSWR Voltage Standing Wave Ratio RF signal
measure. The quotient between
transmitted and reflected voltage.
X-bus The X-bus carries transmit air data frames
between transceivers.
Y-link The interface between the DXU and each
DSP System in core based TRUs
EN/LZT 720 0008 P2A
2001-11-28
485 (485)
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Preliminary