User's Manual

1 General
Page 5
1. GENERAL
1.1. USED ABBREVIATIONS
3GPP 3
rd
Generation Partnership Project
AC/DC Alternating current / Direct Current
ALC Automatic Level Control
BITE Built-In Test Equipment
BTS Base Transceiver Station
CE "Conformité Européenne" ("European Conformity")
CD Compact Disk
CFR Code of Federal Regulations
DL Downlink
DoC Declaration of Conformity
EDGE Enhanced Data Rates for GSM Evolution
EN European Norm
EP Extension Port
ESD Electrostatic Discharge
ETS European Telecommunication Standard
EU Extension Unit
GSM Global System for Mobile Communication
GND Ground
GUI Graphical User Interface
ICP3 Intercept Point 3rd order
ID No Identification Number
ION Intelligent Optical Network
IP Ingress Protection
ISO International Organization for Standardization
LED Light Emitting Diode
LMT Local Maintenance Terminal
LTE Long Term Evolution
MIMO Multiple Input Multiple Output
MS Mobile Station
MU Main Unit
NF Noise Figure
OTRx Optical Transceiver = SRMU (Subrack Master Unit)
PG Packing Gland
PIM Passive Intermodulation
P
in
Input power
P
out
Output power
R&TTE Radio & Telecommunications Terminal Equipment
RF Radio Frequency
RU Remote Unit
RX Receiver
SNMP Simple Network Management Protocol
TS Technical Specification
TX Transmitter
UL Uplink
UMTS Universal Mobile Telecommunication System
UPS Uninterruptible Power Supply
WCDMA Wideband Code Division Multiple Access
WDM Wavelength Division Multiplex