User Manual

Table Of Contents
RBS 2000Glossary
MAC
Medium Access Controller
MADT
Mean Accumulated DownTime
magazine A magazine is a reserved space in the cabinet, which
may hold one or more RUs.
Main RU
Contains one or more processors, to which software
can be downloaded from the BSC. A Main RU is either
Central (CMRU) or Distributed (DMRU). A Main RU
may or may not have a direct signalling link to the BSC.
MBU Mounting Base Unit
MCB
MultiCasting Box
MHS
Modification Handling System
Ericsson trouble report database
MMI
Man-Machine Interface
MO
Managed Object
MR
Measurement Receiver
MRT Mean Repair Time
MS
Mobile Station
MSC
Mobile services Switching Centre
GSM network unit for switching, routing and controlling
calls to and from the Public Switched Telephone
Network (PSTN) and other networks.
MSTP
Mobile Station Test Point
MTBF Mean Time Between Failure
MTBCF
Mean Time Between Catastrophe Failure
Multidrop Two or more RBSs connected in a chain to the same
transmission system. All the relevant time slots are
dropped out by each RBS. (This function is sometimes
called cascading.)
NCS
National Colour System
NEBS
Network Equipment Building System
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N/LZT 720 0283 Uen R2A