User's Manual

INSTALLATION GUIDE FOR UHF DAS
ENU STATUS : 1-0-0
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Page 7
0.4 GLOSSARY OF TERMS
Abbreviation
Definition
ALC
Automatic Level Control
ATT
Attenuator
BTS
Base Transceiver Station
CH
Channel
CSA
Cross Sectional Area
dB
Decibel
dBm
Decibels relative to 1 milliwatt
DL
Downlink
DT
Donor Terminal
DPX
Duplexer
FOU
Fiber Optical Unit
FS
Frequency Selection
Hz
Hertz
ID
Identification
IF
Intermediate Frequency
LNA
Low Noise Amplifier
LOS
Line-of-Sight
MCU
Main Control Unit
MHz
Megahertz
MT
Mobile Terminal
MTBF
Mean Time Between Failures
MU
Master Unit
NF
Noise Figure
OMC
Operation & Maintenance Center
OMT
Operation & Maintenance Terminal
OP
Optical Fiber
PA
Power Amplifier
PLL
Phase Locked Loop
PSU
Power Supply Unit
RF
Radio Frequency
RFU
Radio Frequency Unit
RU
Remote Unit
SMA
Sub-Miniature A Connector
TX/RX
Transmit/Receive
UL
Uplink
VAC
Volts Alternating Current
VDC
Volts Direct Current
VSWR
Voltage Standing Wave Ratio