Manual Part 7
RBS 2000Glossary
O&M
Operation and Maintenance
General term for activities such as configuration,
utilization of channels (frequency bands), cell
planning, system supervision, hardware and software
maintenance, subscriber administration, and so on.
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 functions.
OPI
OPerational Instructions
OVP
OverVoltage Protection
OXU
Space for Optional Expansion
P-GSM
Primary GSM
PA Power Amplifier
PAM
Power Amplifier Module
Passive RU A passive replaceable unit has a very low level of
intelligence and is independen
t of the processor system.
PBA
Printed Board Assembly
PBC
Power and Battery Cabinet
PC
Personal Computer
PCAT
Product CATalogue
A web-based ordering system on Ericsson’s Intranet.
PCB
Printed Circuit Board
16 (24)
EN/LZT 720 0283 Uen R1B