Reference Manual

Table Of Contents
Product Description 39 (33)
SRN/X-00:146 Rev B 2001-05-16 © Ericsson. Commercial in confidence
11 Acronyms and Abbreviations
ACCU AC Connection Unit
AO Application Object
BCCH Broadcast Control Channel
BDM Battery Distribution Module
BFU Battery Fuse Unit
BSC Base Station Controller
BSS Base Station System
BTS Base Transceiver Station
CDU Combining and Distribution Unit
CXU Configuration Switch Unit
dB Decibel
dBm Decibel relative to 1 milliwatt
DTX Discontinuous Transmission
DUPL Duplex
DXU Distribution Switch Unit
DXX digital cross-connect
EACU External Alarm Connection Unit
ECU Energy Control Unit
ECSD EDGE Circuit Switched Data
EDGE Enhanced Data rates for Global
Evolution
EGPRS EDGE GPRS
EMC Electromagnetic Compatibility
FCOMB Filter Combiner
GMSK Gaussian Minimum Shift Keying
GPRS General Packet Radio Services
GSM Global System for Mobile
Communications
HCOMB Hybrid Combiner
HCS Hierarchical Cell Structure
HSCSD High Speed Circuit Switched
Data
HW Hardware
IDB Installation Data Base
IDM Internal Distribution Module
kbit/s kilobits per second
kg kilogram
kW kilowatt
llitre
lb pound
LAPD Link Access Protocol on
D-channel
LED Light Emitting Diode
LTE Line Transmission Equipment
Mbit/s Megabit per second
MCU Measuring Coupler Unit
mm millimetre
MMI Man Machine Interface
MO Managed Object
MS Mobile Station
NMC Network Management Centre
O&M Operation and Maintenance
OML Operation and Maintenance Link
OMT Operation and Maintenance
Terminal
OS Operating System
OSS Operation Support System
PC Personal Computer
PCM Pulse Code Modulation
PSK Phase Shift Keying
PSTN Public Switched Telephone Network
PSU Power Supply Unit
RBS Radio Base Station
RX Receiver
RF Radio Frequency
RSL Radio Signalling Link
RU Replaceable Unit
RXBP Receiver Band Pass Filter
RXD Receiver Divider
RXDA Receiver Divider Amplifier
SDCCH Stand Alone Dedicated Control
Channel
SO Service Object
STC Signalling Terminal Central
TCH Traffic Channel
TDMA Time Division Multiple Access
TMA Tower Mounted Amplifier
TRU Transceiver Unit
TS Time Slot
TX Transmitter
TXBP Transmitter Band Bass Filter
VAC Volts, Alternating Current
VDC Volts, Direct Current
VSWR Voltage Standing Wave Ratio
W Watt