Reference Manual

Glossary
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
PCAT Product CATalogue
A web-based ordering system on
Ericsson’s Intranet.
PCB Printed Circuit Board
PCH Paging CHannel
Downlink only subchannel of CCCH for
system paging of MSs.
⇒ CCCH
PCM Pulse Code Modulation
PCU Packet Control Unit
PDCH Packet Data Channel
PE terminal Protective Earth terminal in an 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
480 (485)
EN/LZT 720 0008 P2A
2001-11-28
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