Reference Manual

Table Of Contents
Glossary
MMI Man-Machine Interface
MO Managed Object
MR Measurement Receiver
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
Multidrop Two or more RBSs are connected in a
chain to the same transmission system.
All the relevant timeslots are dropped out
by each RBS. (This function is sometime
called cascading.)
NEBS Network Equipment Building System
NMS Ericsson Network Management System in
DXX
Nominal Power The nominal power is the power level
dened when conguring the transceiver.
N terminal Neutral terminal in a AC mains connection
O&M Operation and Maintenance
General term for activities such as
conguration, utilization of channels
(frequency bands), cell planning, system
supervision, hardware and software
maintenance, subscriber administration,
and so forth.
OMC Operation and Maintenance Centre
OML Operation and Maintenance Link
Layer 2 communication link for operation
and maintenance services on Abis.
OMT Operation and Maintenance Terminal
The OMT is a terminal that supports
functions for handling the RBS on site.
The terminal can be a portable PC.
Operation Operation is the normal, everyday running
of the RBS with full functionality.
OPI OPerational Instructions
EN/LZT 720 0008 R1A
2001-06-26
415 (421)
© Ericsson Radio Systems AB
All Rights Reserved