User's Manual Part 3

RBS 2109 User’s Guide
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
PIB
Power Interface Board
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
PSA
Power Supply Adapter
PSTN
Public Switch Telephone Network
PSU
Power Supply Unit
PWU
Power Unit
RACH
Random Access CHannel
Uplink only subchannel of CCCH for MS request for
allocation of a dedicated channel.
⇒ CCCH
RAI
Remote Alarm Indication
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N/LZT 720 0090 Uen R1A 2004-09-17