User's Manual
Advanced RF Technologies, Inc.
9
Terms and Abbreviations
The following is a list of abbreviations and terms used throughout this document.
Abbreviation/Term
Definition
AGC Automatic Gain Control
ALC Automatic Level Control
AROMS ADRF’ Repeater Operation and Management System
BCU Band Combiner Unit
BTS Base Transceiver Station
CDMA Code Division Multiple Access
CHC Channel combiner
CW Continuous Wave (un-modulated signal)
DAS Distributed Antenna System
DL Downlink
Downlink The path covered from the Base Transceiver Station (BTS) to the subscribers’ service
area via the repeater
HE Head End
HPA High Power Amplifier
HW Hardware
IF Intermediate Frequency
LNA Low Noise Amplifier
LPR Low Power Remote Unit
LTE Long Term Evolution
MPR Medium Power Remote Unit
MS Mobile Station
NMS Network Management System
ODU Optic Donor Unit which is located in ADXD-HE.
OEU Optic Expansion Unit
ORU Optic Remote Unit which is located in ADXD-MPR.
PLL Phased Locked Loop
POI Point Of Interface
PSU Power Supply Unit
RF Radio Frequency
RU Remote Unit which is composed of ORU and RMs of plural bands
RM Remote Module which is assigned per band
SW Software
UL Uplink
Uplink The path covered from the subscribers’ service area to the Base Transceiver Station
(BTS) via the repeater
VSWR Voltage Standing Wave Ratio