Glossary

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Term Definition
P
Puncturing
Hits: 427
P
French term for SCART (connector)
Hits: 418
P-Frame
Predictive-coded (P) Pictures Frame Structure
Hits: 429
P-pictures
Predictive pictures
Hits: 415
PABX
Private Automatic Branch Exchange
Hits: 399
PAD
Packet Assembler/Disassembler, Program Associated Data
Hits: 436
PAL
Phase Alternating Line; Programmable Array Logic
Hits: 451
PALC
Plasma Addressed LCD
Hits: 448
PALE
Programmable Atomic Logic Elements
Hits: 437
PAM
Pulse-Amplitude Modulation
Hits: 400
PARS
Private Advanced Radio Service
Hits: 404
PAT
Program Association Table, (multiplex)(part of SI); Power Alignment Technology
Hits: 375
PAX
Private Automatic Exchange
Hits: 420
PBGA
Plastic Ball Grid Array
Hits: 426
PBX
Private Branch Exchange
Hits: 449
PC
Personal Computer; Printed Circuit
Hits: 460
PCB
Printed Circuit Board
Hits: 442
PCC
Programmer Control Center
Hits: 420
PCI
Peripheral Component Interconnect
Hits: 431
PCM
Pulse Code Modulation
Hits: 447
PCMCIA
Personal Computer Memory Card International Association
Hits: 433
PCN
Personal Communications Network
Hits: 420
PCR
Programmable Clock Reference
Hits: 418
PCS
Program Control System; Personal Communication Services
Hits: 420
PCSN
Private Circuit Switching Network
Hits: 381
PDF
Pulse Density Function; Portable Document Format
Hits: 392
PDFA
Praesodymium-Doped Fibre Amplifiers (1310nm)
Hits: 416
PDH
Plesiosyncronous Digital Heirarchy
Hits: 476
PDM
Phase Division Multiplex ;Passive Display Model: Pulse Duration Modulation
Hits: 479
PDMI
Portable Digital Media Interface
Hits: 450
PDN
Public Data Network; Primary Directory Number
Hits: 443
PECL
Pseudo ___________
Hits: 392
PEL
Picture Element
Hits: 389
PES
Packetized Elementary Stream, Personal Earth Station
Hits: 404
PFD
Power Flux Density
Hits: 370
PFM
Pulse Frequency Modulation
Hits: 404
PGA
Pin Grid Array
Hits: 441
PID
Program Identification, Packet Identifier
Hits: 419
PIN
Personal Identification Number
Hits: 381
PIO
Programmable Input Output
Hits: 477
PIV
Peak Inverse
Hits: 405
PIXEL
Peak Inverse Voltage
Hits: 390
PK
Program Key
Hits: 386
PKI0
Public Key Infrastructure
Hits: 644
PLA
Programmable Logic Array
Hits: 426
PLAR
Private Line Automatic Ring down
Hits: 383
PLC
Programmable Logic Controller
Hits: 445
PLCC
Plastic Leaded Chip Carrier
Hits: 434
PLD
Programmable Logic Device
Hits: 418
PLL
Phase Locked Loop
Hits: 374
PLMN
Public Land Mobile Network
Hits: 383
PLR
Private Link Repeater
Hits: 403
PLUGE
Picture Line Up Generator Equipment
Hits: 416
PM
Phase Modulation, Poly-phase Matched
Hits: 406
PMR
Private Mobile Radio
Hits: 445
PMT
Program Map Table (multiplex) (part of SI)
Hits: 403
PN
Pseudo-random Number
Hits: 440
PNNI
Private Network to Network Interface
Hits: 411
POCSAG
Post Office Code Standardisation Advisory Group
Hits: 403
POF
Plastic Optical Fibre
Hits: 398
PON
Passive Optical Network
Hits: 451
POP
Proof Of Performance / Point of Presence
Hits: 436
POS
Programmable Option Select
Hits: 432
POTS
Plain Old Telephone Service
Hits: 444
PPM
Pulse Position Modulation
Hits: 425
PPP
Point - to - Point Protocol
Hits: 464
PPV
Pay Per View
Hits: 423
PQFP
Plastic Quad Flatpack
Hits: 461
PRA
Primary Rate Access ( 2Mb/s - ISDN )
Hits: 443
PRBS
Pseudo Random Binary Sequence; Pseudo Random Bit Sequence
Hits: 401
PRF
Pulse Repetition Frequency
Hits: 443
PRI
Primary Rate Interface
Hits: 396
PROM
Programmable Read Only Memory
Hits: 385
PSD
Power Spectral Density; Programmable System Device
Hits: 447
PSDN
Packet Switched Data Network
Hits: 415
PSI
Program Specific Information (part of SI)
Hits: 430
PSK
Phase Shift Keying
Hits: 415
PSS
Packet Switched System/ Service
Hits: 439
PSTN
Public Switched Telephone Network
Hits: 494
PSTS
Profile Specific Test Specification
Hits: 405
PSU
Power Supply Unit
Hits: 449
PT
Packet Terminal
Hits: 420
PTL
PASS Transistor Logic
Hits: 389
PTM
Pulse Time Modulation
Hits: 443
PTS
Presentation Time Stamp
Hits: 461
PTT
Postal, Telephone and Telegraph
Hits: 390
PTX
Packet Transfer Exchange
Hits: 371
PVC
Permanent Virtual Connection
Hits: 381
PVR
Personal Video Recorder
Hits: 427
PWA
Printed Wiring Assembly
Hits: 431
PWB
Printed Wiring Board
Hits: 394
PWM
Pulse-Width Modulation
Hits: 454
PWR
Power
Hits: 425

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The Society for Broadband Professionals.
Communications House , 41a Market Street, Watford, Herts, WD18 0PN.