Reference Manual

Glossary
OVP OverVoltage Protection
OXU Space for Optional Expansion
P-GSM Primary GSM
Passive RU A passive replaceable unit has a very low
level of intelligence and is independent of
the processor system.
PCAT Product CATalogue
A web-based ordering system in
Ericsson’s intranet.
PCH Paging CHannel
Downlink only subchannel of CCCH for
system paging of MSs.
-> CCCH
PCM Pulse Code Modulation
PCU Packet Control Unit
PE terminal Protective Earth terminal in a AC mains
connection
PFWD Power Forward
Physical Channel An air interface physical channel carries
one or more logical channels. A physical
channel uses a combination of frequency
and time division multiplexing and is
defined as a sequence of radio frequency
channels and time slots.
-> TDMA frame -> Logical channel
PIN Personal Identification Number
PLB Payload Loop Back
PLMN Public Land Mobile Network
A network, established and operated by an
administration or its licensed operator(s),
for the specific purpose of providing land
mobile communication services to the
public. It provides communication
possibilities for mobile users. For
communication between mobile and fixed
users, interworking with a fixed network is
necessary.
PPE Personal Protective Equipment
PREFL Power Reflected
416 (421)
EN/LZT 720 0008 R1A
2001-06-26
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