Ericsson RBS 2106 Reference Manual page 474

Glossary
Channel Combination
Channel group
CM
CMD
CMRU
CNU
Compr
CON
Config
Co-siting
CPI
CPI
CPU
CRC
CS
CSA
CSES
CSU
CU
CXU
Dannie
DB
472 (485)
A physical channel on an air interface
carrying a defined set of logical channels.
A channel group is a group of dedicated
logical channels to a specific MS.
Control Module (for TMA)
Digital Radio Communication Tester
Central Main Replaceable Unit. Main RU.
The RBS is physically connected to the
Base Station Controller (BSC) via the
CMRU. There is only one CMRU in each
RBS.
Combining Network Unit
Compressor
LAPD concentrator
LAPD concentration is used to reduce the
number of required physical links between
the BSC and BTS.
Configuration
Co-siting is the operation of a radio base
station in GSM together with the radio
base station in Total Access
Communication System (TACS) or Nordic
Mobile Telephone system (NMT) on the
same site by sharing common equipment.
Communication and Power Interface
Customer Product Information
Central Processing Unit
Cyclic Redundancy Check
Coding Scheme
Canadian Standards Association
Consecutive Severely Errored Second
Channel Service Unit
Combining Unit (RU in CDU_D)
Configuration Switch Unit
ASIC in the TRU
DataBase
© Ericsson Radio Systems AB
— All Rights Reserved —
EN/LZT 720 0008 P2A
2001-11-28