User's Manual Part 3

RBS 2109 User’s Guide
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 PC application for O&M of an RBS.
Operation
Operation is the normal, everyday running of the RBS
with full functions.
OPI
OPerational Instructions
OTU
Outdoor Terminating Unit
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 independent of the processor system.
PBA
Printed Board Assembly
PBC
Power and Battery Cabinet
PC
Personal Computer
PCB
Printed Circuit Board
PCH
Paging CHannel
Downlink only subchannel of CCCH for system paging
of MSs.
⇒ CCCH
PCM
Pulse Code Modulation
233EN/LZT 720 0090 Uen R1A 2004-09-17