User's Manual Part 4

RBS 2308 and RBS 2309 User’s Guide
Layer 2 communication link for operation and
maintenance services on Abis.
OMT Operation and Maintenance Terminal
PC application for RBS O&M.
operation
The normal everyday fully functional running of an RBS.
OPI Operational Instructions
OSS Operations Support System
OTU Outdoor Terminating Unit
OVP Overvoltage Protection
OXU Space for optional expansion.
PA
Power Amplifier
PAM
Power Amplifier Module
passive RU
RU with a very low level of intelligence and 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 CCCH subchannel for system paging
MSs.
⇒ CCCH
PCM Pulse-Code Modulation
PCU Packet Control Unit
PDCH Packet Data Channel
PE terminal
Protective Earth terminal [AC power]
PFWD Power Forward
P-GSM Primary GSM
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EN
/LZT 720 0027 Uen R8A 2006-06-27