User's Manual Part 4

RBS 2308 and RBS 2309 User’s Guide
CM Control M odule [for TMA]
CMCN Central Main CPU Node
CMD Digital Radio Communication Tester
CME 20 Cellular Mobile Europe
• CME 20 Ericsson digital land mobile
telecommunication system based on the
GSM standards
• CME 201 Ericsson GSM system consisting of
Ericsson equipment only
CMRU Central Main Replaceable Unit
A DXU- or IXU-equipped RBS is physically connected
to the BSC through a single CMRU. An RBS without a
DXU or IXU is regarded as a CMRU.
Macro
CMRU = DX U
Micro
CMRU = entire RBS
RBS 2308 CMRU = IXU
RBS 2309 CMRU = IXU
RBS 2109 CMRU = IXU
CMS 40 Cellular Mobile System
Ericsson digital land mobile telecommunication system
based on the Joint Technical Committee (JTC)
specification for PCS 1900.
CNU Combining Network Un
it
compr
Compressor
CON LAPD concentrator, used to reduce the number of
physical links between the BSC and BTS.
config Configuration
co-siting
Operating radio equipment from more than one mobile
telephone system and/or frequency on the same site,
using s hared equipment.
CPI Communication and Power Interface
Customer Product Information
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EN
/LZT 720 0027 Uen R8A 2006-06-27