A
bbreviations
Abbreviations used in this manual, in the software, and in the repeater:
AGC
Automatic Gain Control
AMPS
Advanced Mobile Phone Service
BCCH
Broadcast Control Channel (GSM broadcast channel time slot)
BS
Base Station, BS antenna = towards the base station
BSC
Band Selective Compact repeater board for adjustable bandwidth
CDMA
Code Division Multiple Access
CW
Continuous Wave
DCC
Directional Coupler, Compact
DAMPS
Digital Advanced Mobile Phone Service
DCS
Digital Communication System (same as PCN)
DL
Downlink signal direction (from base station via repeater to mobile station)
DPX
Duplex filter
EEPROM
Electrical Erasable Programmable Read Only Memory
EGSM
Extended Global System for Mobile communication
ETACS
Extended Total Access Communication System
ETSI
European Telecommunications Standard Institute
GSM
Global System for Mobile communication
HW
Hardware
LED
Light Emitting Diode
MS
Mobile Station, MS antenna = towards the mobile station
MSC
Mobile Switching Center
NMT
Nordic Mobile Telephone system
OMS
Operation and Maintenance System
OMS/PC
Desktop or notebook with installed OMS software
OMT32
Operation and Maintenance Terminal
OMT32/PC Desktop or notebook with installed OMT32 software
PCN
Personal Communication Network (same as DCS)
PCS
Personal Communication System
PSM
Power Supply Module
PTFE
Polytetrafluoro Ethylene (Teflon)
RCC
Remote Control unit for Compact repeater
RF
Radio Frequency
RSSI
Received Signal Strength Indication
RTC
Real Time Clock
SW
Software
TACS
Total Access Communication System
TDMA
Time Division Multiple Access
UL
Uplink signal direction (from mobile station via repeater to base station)
UPS
Uninterruptible Power Supply
ALLGON Systems AB
ALR Compact Repeater
VD203 67/EN - User’s Manual
Rev. 1A 2000-07
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