Glossary

Term	Main definition
P	Puncturing Hits - 803
P	French term for SCART (connector) Hits - 754
P-Frame	Predictive-coded (P) Pictures Frame Structure Hits - 753
P-pictures	Predictive pictures Hits - 757
PABX	Private Automatic Branch Exchange Hits - 709
PAD	Packet Assembler/Disassembler, Program Associated Data Hits - 762
PAL	Phase Alternating Line; Programmable Array Logic Hits - 816
PALC	Plasma Addressed LCD Hits - 789
PALE	Programmable Atomic Logic Elements Hits - 788
PAM	Pulse-Amplitude Modulation Hits - 717
PARS	Private Advanced Radio Service Hits - 742
PAT	Program Association Table, (multiplex)(part of SI); Power Alignment Technology Hits - 740
PAX	Private Automatic Exchange Hits - 755
PBGA	Plastic Ball Grid Array Hits - 761
PBX	Private Branch Exchange Hits - 786
PC	Personal Computer; Printed Circuit Hits - 798
PCB	Printed Circuit Board Hits - 773
PCC	Programmer Control Center Hits - 775
PCI	Peripheral Component Interconnect Hits - 774
PCM	Pulse Code Modulation Hits - 789
PCMCIA	Personal Computer Memory Card International Association Hits - 776
PCN	Personal Communications Network Hits - 753
PCR	Programmable Clock Reference Hits - 761
PCS	Program Control System; Personal Communication Services Hits - 772
PCSN	Private Circuit Switching Network Hits - 707
PDF	Pulse Density Function; Portable Document Format Hits - 754
PDFA	Praesodymium-Doped Fibre Amplifiers (1310nm) Hits - 749
PDH	Plesiosyncronous Digital Heirarchy Hits - 800
PDM	Phase Division Multiplex ;Passive Display Model: Pulse Duration Modulation Hits - 811
PDMI	Portable Digital Media Interface Hits - 774
PDN	Public Data Network; Primary Directory Number Hits - 762
PECL	Pseudo ___________ Hits - 707
PEL	Picture Element Hits - 737
PES	Packetized Elementary Stream, Personal Earth Station Hits - 748
PFD	Power Flux Density Hits - 701
PFM	Pulse Frequency Modulation Hits - 736
PGA	Pin Grid Array Hits - 767
PID	Program Identification, Packet Identifier Hits - 757
PIN	Personal Identification Number Hits - 722
PIO	Programmable Input Output Hits - 831
PIV	Peak Inverse Hits - 717
PIXEL	Peak Inverse Voltage Hits - 709
PK	Program Key Hits - 728
PKI0	Public Key Infrastructure Hits - 992
PLA	Programmable Logic Array Hits - 756
PLAR	Private Line Automatic Ring down Hits - 696
PLC	Programmable Logic Controller Hits - 753
PLCC	Plastic Leaded Chip Carrier Hits - 743
PLD	Programmable Logic Device Hits - 738
PLL	Phase Locked Loop Hits - 702
PLMN	Public Land Mobile Network Hits - 707
PLR	Private Link Repeater Hits - 654
PLUGE	Picture Line Up Generator Equipment Hits - 667
PM	Phase Modulation, Poly-phase Matched Hits - 671
PMR	Private Mobile Radio Hits - 716
PMT	Program Map Table (multiplex) (part of SI) Hits - 653
PN	Pseudo-random Number Hits - 705
PNNI	Private Network to Network Interface Hits - 666
POCSAG	Post Office Code Standardisation Advisory Group Hits - 671
POF	Plastic Optical Fibre Hits - 644
PON	Passive Optical Network Hits - 725
POP	Proof Of Performance / Point of Presence Hits - 715
POS	Programmable Option Select Hits - 690
POTS	Plain Old Telephone Service Hits - 695
PPM	Pulse Position Modulation Hits - 694
PPP	Point - to - Point Protocol Hits - 733
PPV	Pay Per View Hits - 677
PQFP	Plastic Quad Flatpack Hits - 745
PRA	Primary Rate Access ( 2Mb/s - ISDN ) Hits - 700
PRBS	Pseudo Random Binary Sequence; Pseudo Random Bit Sequence Hits - 663
PRF	Pulse Repetition Frequency Hits - 734
PRI	Primary Rate Interface Hits - 657
PROM	Programmable Read Only Memory Hits - 658
PSD	Power Spectral Density; Programmable System Device Hits - 710
PSDN	Packet Switched Data Network Hits - 724
PSI	Program Specific Information (part of SI) Hits - 682
PSK	Phase Shift Keying Hits - 679
PSS	Packet Switched System/ Service Hits - 742
PSTN	Public Switched Telephone Network Hits - 785
PSTS	Profile Specific Test Specification Hits - 651
PSU	Power Supply Unit Hits - 735
PT	Packet Terminal Hits - 690
PTL	PASS Transistor Logic Hits - 655
PTM	Pulse Time Modulation Hits - 723
PTS	Presentation Time Stamp Hits - 757
PTT	Postal, Telephone and Telegraph Hits - 690
PTX	Packet Transfer Exchange Hits - 624
PVC	Permanent Virtual Connection Hits - 651
PVR	Personal Video Recorder Hits - 684
PWA	Printed Wiring Assembly Hits - 701
PWB	Printed Wiring Board Hits - 657
PWM	Pulse-Width Modulation Hits - 705
PWR	Power Hits - 710