Abk. Bedeutung

P

Priority (Bit, Datenfelder)

P

Peta --> Präfix für Billiarde (Zahlensysteme)

P

Primary Station --> Primärstation (Weitverkehrsnetze)

P

Presentation Layer --> Darstellungsschicht

P1

P1-Protokoll (Mitteilungsdienste)

P2P

Peer-to-Peer

P3

P3-Protokoll (Mitteilungsdienste)

P3P

Platform for Privacy Preferences Project (Internet)

P7

P7-Protokoll (Mitteilungsdienste)

P(R)

Packet Receive Sequence Number --> Datenpaket-Empfangsnummer

P(S)

Packet Send Sequence Number --> Datenpaket-Sendenummer

PA

Power Amplifier --> Leistungsverstärker

PA

Primary Access (ISDN)

PA

Pre-Arbitrated Function (Stadt-, Regionalnetze)

PA

Polyamid (Verkabelung)

PABX

Private Automatic Branch Exchange (Telekommunikations-Endgeräte)

PAC

Paging Area Controller (Ermes) (Mobilfunknetze)

PAC

Perceptual Audio Coder --> Verfahren zur Kompression von Musik und Sprache

PAC

Privilege Attribute Certificate

PACCH

Packet Associated Control Channel (GPRS)

PACE

Priority Access Control Enabled --> Deterministisches Zufriffsprotokoll (3Com)

PACS

Personal Access Communications System (ANSI J-STD-014)

PACS

Picture Archive and Communication System (Telekommunikation)

PACT

PABX and Computer Timing

PAD

Packet Assembler/Dissassembler --> Paketierer/Depaketierer (ITU-T X.25)

PAD

Padding --> Füll-Bit (Datenfelder)

PAGCH

Packet Access Grant Channel (GPRS)

PAI

Protocol Address Information (ISO/OSI)

PAL

Phase Alternation Line --> PAL-Fernsehstandard (Multimedia)

PAM

Pulse Amplitude Modulation --> Pulsamplitudenmodulation (Modulation)

PAMA

Preassigned Multiple Access --> Verfahren zur Zuteilung von Satellitenkanälen zu Bodenstationen (Sat-Kommunikation)

PAMD

Public Access Mobile Data Network

PAMR

Private Access Mobile Radio --> Privater Bündelfunk

PAMS

Perceptual Analysis Measurement System (Telekommunikation)

PAN

Public Access Network

PAN

Personal Area Network

PAN

Personal Access Number (IT-Sicherheit)

PAP

Password Authentication Protocol --> Protokoll aus der PPP-Familie (Protokolle, IT-Sicherheit)

PAP

Printer Access Protocol (AppleTalk) (Protokolle)

PAP

Public Access Profile (Mobilfunknetze)

PAPX

Private Automatic Branch Exchange --> Programmierbare Nebenstellenanlage

PAR

Project Authorization Request (Standards, Verordnungen, Gesetze)

PAR

Parameter

PAR

Parity Check --> Paritätsprüfung (Codierung)

PAR

Positive Acknowledgement with Retransmission

PARC

Palo Alto Research Center

PARK

Portable Access Rights Key

PARS

Private Advanced Radio System

PAS

Public Avialable Specification

PASC

Portable Applications Standards Committee (Gremien, Organisationen)

PAT

Port Address Translation --> Adressumsetzungsverfahren für ISDN-Router (ISDN)

PATS

Parameterised Abstract Test Suite (Mobilfunkdienste)

PAX

Private Automatic Exchange

PBCC

Packet Binary Convolution Code (Wireless LAN)

PBCCH

Packet Broadcast Control Channel (GPRS)

PBM

Portable Bitmap --> Dateiformat für Grafiken

PBN

Policy Based Networking (Internetworking)

PBS

Personal Business Services (Mobilfunknetze)

PBTP

Polybutylentherephthalat (Verkabelung)

PBX

Private Branch Exchange --> Private Nebenstellenanlage (Telekommunikations-Endgeräte)

PC

Personal Computer

PC

Physical Contact (Verkabelung)

PC

Protocol Control (ATM, B-ISDN)

PC

Priority Control (ATM, B-ISDN)

PC

Point Coordinator

PC

Path Control --> Pfadsteuerung (ATM, B-ISDN)

PC/SC

Personal Computer Smartcard (IT-Sicherheit)

PCA

Policy Certification Authority (IT-Sicherheit)

PCC

Protocol Converter --> Protokollkonverter (Netzwerkkomponenten)

PCCPCH

Primary Common Control Physical Channel (GSM)

PCD

Protocol Identifier

PCDE

Peak Code Domain Error (UMTS)

PCF

Packet Control Facility

PCF

Plastic Cladding Silica Fiber (Verkabelung)

PCF

Point Coordination Function (Wireless LAN)

PCH

Paging Channel --> Rufkanal (Mobilfunknetze)

PCI

Peripheral Component Interconnect --> Bussystem

PCI

Protocol Control Information --> Protokoll-Steuerinformation (ISO/OSI)

PCI

Protocol Control Interconnect (Intel)

PCI

PABX Computer Interface (Netzwerkkomoponenten)

PCI

Programmable Communication Interface --> PCI-Schnittstelle (ISDN)

PCIA

Personal Communications Industry Association (USA) (Gremien, Organisationen)

PCIM

Policy Core Information Model (Netzwerkmanagement)

PCL

Printer Command Language (HP)

PCM

Pulse Code Modulation --> Verfahren zur Digitalisierung und Übertragung analoger Signale

PCM

Physical Connection Management (FDDI)

PCMCIA

Personal Computer Memory Card International Association (Gremien, Organisationen)

PCN

Personal Communication Network

PCNE

Protocol Converter for Non-SNA Equipment (Netzwerkkomponenten)

PCO

Point of Control and Observation (Mobilfunkdienste)

PCP

Primary Cross-Connection Point --> Kabelverzweiger (Verkabelung)

PCPICH

Primary Common Pilot Channel (GSM)

PCR

Peak Cell Rate (ATM)

PCR

Program Clock Reference

PCR

Preventive Cyclic Retransmission (ISDN)

PCS

Personal Communication System (Mobilfunknetze)

PCS

Plesiochronous Connection Supervision

PCS

Physical Coding Sublayer (Ethernet)

PCS

Polymer Cladding Silica (Verkabelung)

PCTR

Protocol Conformance Test Report (Netzwerkmanagement)

PCU

Packet Control Unit --> Paketsteuerungseinheit (Mobilfunknetze)

PCVD

Plasma Activated Chemical Vapor Deposition (Verkabelung)

PCX

Private Communication Exchange

PCX

Private CTI Based Call Exchange (TK-Sprachdienste)

PD

Public Domain

PD

Protocol Discriminator --> Feld zur Kennzeichnung des Protokolls

PDA

Personal Digital Assistant --> Taschencomputer

PDAM

Proposed Draft Amendment (Standards, Verordnungen, Gesetze)

PDAU

Physical Delivery Access Unit (Mitteilungsdienste)

PDC

Personal Digital Communications

PDC

Personal Digital Cellular --> Japanisches Mobilfunksystem (Mobilfunknetze)

PDC

Primary Domain Controller (IT-Sicherheit)

PDCH

Packet Data Channel (GPRS)

PDD

Post Dialing Delay

PDF

Portable Document Format --> Dateiformat (Adobe)

PDFA

Praseodymium-Doped Fiber Amplifier

PDG

Packet Data Group

PDG

Packet Data Gateway

PDH

Plesiochrone Digitale Hierarchie --> Digitale Übertragungstechnik

PDIF

Product Definition Interchange Format

PDL

Packet Description Language

PDM

Phasendifferenzmodulation (Modulation)

PDM

Pulsdauermodulation (Modulation)

PDM

Product Data Modelling (Online-Dienste)

PDN

Public Data Network --> Öffentliches Datennetz (Weitverkehrsnetze)

PDO

Packet Data Optimized (Mobilfunknetze)

PDP

Packet Data Protocol (Protokolle)

PDP

Policy Decision Point (Internetworking)

PDP

Path Discovery Packet (Internetworking)

PDS

Packet Driver Specification

PDS

Physical Delivery System

PDS

Premises Distribution System (Verkabelung)

PDSL

Powerline Digital Subscriber Line (Anschlussnetze)

PDTCH

Packet Data TCH (GPRS)

PDU

Protocol Data Unit (ISO/OSI)

PDV

Path Delay Value (Internetworking)

PDV

Prozessdatenverarbeitung

PDX

Private Digital Exchange --> Private digitale Nebenstellenanlage

PE

Phase Error

PE

Physical Element/Entity

PE

Polyäthylen (Verkabelung)

PEAN

Pan European ATM Network (ATM)

PEAP

Protected Extensible Authentication Protocol --> Variante zur gegenseitigen Authentisierung (IT-Sicherheit, Protokolle)

PEB

Peripheral Extension Bus (Dialogic)

PEF

Packet over Ethernet over Fiber (Stadt-, Regionalnetze)

PEG

Port Entry Guide

PEM

Privacy Enhanced Mail --> Verfahren zur kryptographisch geschützten Email-Übertragung, (RFC 989, 1113-1115, 1421-1424)

PEO

Polar Earth Orbit (Sat-Kommunikation)

PEP

Protocol Extensions Protocol

PEP

Packetized Ensemble Protocol (Telebit) (POTS, Modem)

PEP

Pan European Paging (Mobilfunknetze)

PEP

Packet Exchange Protocol (Xerox) (Protokolle)

PEP

Partitional Emulation Program

PEP

Policy Enforcement Point (Internetworking)

PER

Packet Error Rate

PER

Packed Encoding Rules (ASN.1)

PERL

Practical Extraction and Report Language

PERT

Program Evaluation Review Technique

PES

Packet over Ethernet over Sonet (Stadt-, Regionalnetze)

PES

Packetized Elementary Stream (Codierung)

PETP

Polyäthylenterephthalat (Verkabelung)

PETS

Parameterised Executable Test Suite (Mobilfunkdienste)

PEW

Packet over Ethernet over WDM (Stadt-, Regionalnetze)

PF

Pulse Frequency (Modulation)

PFA

Perfluoralkoxy-Polymer (Verkabelung)

PFC

Public Network for Fixed Connections

PFM

Pulsfrequenzmodulation --> Analoges Modulationsverfahren

PFOS

Passive Fiber Optical Segment

PFSK

Phase-Coherent FSK --> Digitales Modulationsverfahren

PG

Prozessgewinn (Spread Spectrum)

PG

Peer Group (ATM, B-ISDN)

PGL

Peer Group Leader (ATM, B-ISDN)

PGP

Pretty Good Privacy --> Software zur kryptografisch geschützten Email-Übertragung (IT-Sicherheit)

PH

Packet Handler (ISDN-X.25-Übergang)

PH

Presentation Header --> Anfangskennsatz der Präsentationsschicht (Protokolle)

PH

Packet Header --> Anfangskennsatz eines Paketes (Protokolle)

PHAMOS

Philips Advanced Management and Operation System

PHASAR

Phase Array (Optische Netze, SDH, Sonet)

PHB

Per Hop Behavior (QoS)

PHI

Packet Handler Interface (ISDN)

PHOTON

Pan-European Photonic Transport Overlay Network (Optische Netze, SDH, SONET)

PHP

Personal Home Page

PHP

Pacific Home Phone System (Mobilfunknetze)

PHP/FI

Personal Home Page/Form Interpreter

PHS

Personal Handyphone System --> Japanisches digitales schnurloses Telefonsystem (Mobilfunknetze)

PHSAP

Physical Service Access Point --> Physikalischer Dienstzugangspunkt

PHY

Physical (Layer) --> Bitübertragungsschicht

PI

Progress Indicator (ISDN)

PI

Protocol Interpreter (Mobilfunknetze)

PI

Primary In --> Primärring-Eingang (FDDI)

PI

Procedure Interface

PI

Page Impression

PI/F

Polymidfolie/FEP Kapton (Verkabelung)

PIB

Policy Information Base (Internetworking)

PIC

Peripheral Shelf Interconnection Card

PIC

Personal Intelligent Communicator

PICS

Protocol Implementation Conformance Statement (ISO/OSI)

PICS

Platform for Internet Content Selection

PID

Packet Identifier

PID

Protocol Identifier Point Coordination (Internetworking)

PIFS

Point Coordination Function Interframe Space (Wireless LAN)

PILC

Performance Implications of Link Characteristics (Wireless LAN)

PIM

Protocol Independent Multicast

PIM

Pulse Interval Modulation

PIM

Protocol Independent Multicast (Internet, Protokolle)

PiMF

Pair in Metal Foil --> Paar in Metallfolie (Verkabelung)

PIMS

Personal Information Management Services

PIN

Personal Identification Number --> Persönliche Identifikationsnummer (IT-Sicherheit)

PIN

Personal Information Network (Offene NW-Konzepte)

PING

Packet Internet Groper --> ICMP-Echo-Nachricht und ihre Antwort

PINT

PSTN/Internet Interworking --> Internet-Telefonie

PINX

Private Integrated Services Network Exchange

PIO

Programmed Input Output

PIR

Packet Insertion Rate

PIR

Peak Information Rate

PIR

Protocol Independent Routing (Internetworking)

PISN

Private Integrated Services Network (Offene NW-Konzepte)

PIT

Programmable Interval Timer

PIU

Programmable Interface Unit

PIU

Path Information Unit (Hertsteller-NW-Architekturen)

PIXIT

Protocol Implementation Extra Information for Testing

PK

Protokollkonverter (Netzwerkkomponenten)

PKCS

Public Key Cryptography Standard (IT-Sicherheit)

PKI

Public Key Infrastructure --> Infrastruktur zur Schlüsselverteilung (IT-Sicherheit)

PKIX

Public Key Infrastructure Exchange (IT-Sicherheit)

PKP

Primärer Konzentrationspunkt

PKS

Public Key System (IT-Sicherheit)

PL

Padding Length

PL

Physical Layer --> Bitübertragungsschicht

PL

Payload --> Nutzlast

PL

Permanent Link

PLC

Powerline Communications (Anschlussnetze)

PLC

Packet Loss Concealment

PLCF

Physical Layer Convergence Function (ISO/OSI)

PLCI

Physical Link Connection Identifier (ISDN)

PLCP

Physical Layer Convergence Protocol (ISO/OSI)

PLD

Programmable Logic Device

PLK

Primary Link --> Erststrecke

PLL

Phase Locked Loop --> Phasenstarre Regelschleife

PLM

Payload Label Mismatch

PLM

Physic Length Modulation (Modulation)

PLMN

Public Land Mobile Network --> Öffentliches Mobilfunknetz (Mobilfunknetze)

PL-OAM

Physical Layer Operation,Administration and Maintenance --> Betrieb- und Wartung der physikalischen Schicht (Netzwerkmanagement)

PLP

Packet Layer Protocol --> Schicht-3-Protokoll von X.25 (ITU-T X.25)

PLP

Presentation Level Protocol (Protokolle)

PLR

Packet Loss Rate --> Paketverlustrate

PLS

Physical Layer Signalling (IEEE 802)

PLS

Primary Link Station (Hersteller-NW-Architekturen)

PLT

Payload Type (ATM, B-ISDN)

PLT

Powerline Termination (Anschlussnetze)

PLU

Primary Logical Unit

PLU

Periodic Location Update (Mobilfunknetze)

PLVT

Physical Layer Voice Telephony (Anschlussnetze)

PLW

PLCP-PDU Length Word (Wireless LAN)

PM

Phasenmodulation (Modulation)

PM

Performance Management --> Leistungsmanagement (Netzwerkmanagement)

PM

Physical Medium (ATM, B-ISDN)

PM

Presentation Manager

PM

Problemmanagement (Netzwerkmanagement)

PMA

Physical Medium Attachment --> Physikalischer Medienzugang (Ethernet)

PMAP

Port Mapper Protocol (Sun) (Protokolle)

PMBS

Packet Mode Bearer Service --> Paketorientierter Übermittlungsdienst

PMC

Physical Media Component

PMC

Personal Mobile Communication --> Persönliche Mobilkommunikation (Mobilfunknetze)

PMD

Physical Layer Medium Dependent (FDDI)

PMD

Polarisationsmodendispersion (LWL)

PMF

Parameter Management Frame (Netzwerkmanagement)

PMI

Physical Medium Interface

PMMA

Polymethylmethacrylat (Verkabelung)

PMOH

Path Monitoring Overhead (Optische Netze, SDH, Sonet)

PMP

Punkt-zu-Multipunkt

PMR

Private Mobile Radio

PMR

Public Mobile Radio --> Öffentlicher Mobilfunk (Mobilfunknetze)

PMR

Professional Mobile Radio (Mobilfunknetze)

PMUX

Primary Multiplexer --> Primärmultiplexer

PMXA

Primärmultiplex-Anschluss (ISDN)

PMxFAs

Primärmultiplex-Festanschluss (ISDN )

PN

Personal Number (Telekommunikation)

PN

Pseudo Noise --> Pseudozufälliges Rauschen

PNA

Parallel Network Architecture (Mobilfunknetze)

PNA

Phoneline Networking Alliance (Gremien, Organisationen)

PNC

Paging Network Controller (ERMES) (Mobilfunknetze)

PNC

Personal Number Calling

PNCP

Peripheral Node Control Point --> Steuerzentrale für periphere Knoten --> Hersteller-NW-Architekturen)

PNCQPSK

Pseudo Noise Complex Quadrature Phase Shift Keying (Modulationsverfahren)

PNG

Portable Network Grafics --> Dateiformat für Grafiken

PNI

Permit Next Increase (ATM, B-ISDN)

PNNI

Private Network-to-Network Interface (ATM, B-ISDN)

PNO

Public Network Operator (Telekommunikation)

PNP

Private Numbering Plan --> Privater Nummernplan (Mobilfunknetze)

PNR

Power Network Repeater (Anschlussnetze)

PNS

Primary Name Server

PNT

Private Network Termination (ISDN)

PNU

Power Network Unit (Anschlussnetze)

PO

Primary Out --> Primärring-Ausgang (FDDI)

POCSAG

Post Office Codes Special Advisory Group (Gremien, Organisationen)

PODA

Priority Oriented Demand Assignment

POF

Plastic Optical Fiber --> Kunststoff-Lichtwellenleiter (Verkabelung)

POH

Path Overhead (Optische Netze, SDH, Sonet)

POI

Point of Interconnection (Internetworking)

PON

Passives optisches Netz (Offene NW-Konzepte)

POP

Post Office Protocol --> Mailzugriffs-Protokoll im Internet (RFC 1939) (Protokolle)

POP3

Post Office Protocol Version 3 (Protokolle)

POP

Point of Presence --> Zugangs-/Einwahlknoten in Telekommunikationsnetzwerk (Anschlussnetze)

POR

Point of Return

POR

Pacific Ocean Region (Inmarsat) (Sat-Kommunikation)

POS

Packet over SONET/SDH

POS

Point of Synchronization

POS

Personal Operating Space

POS

Point of Sale (Online-Dienste)

POST

Power-On-Self Test

POTS

Plain Old Telephone System --> Herkömmliches analoges Telefonnetz

P-P

Point-to-Point

PP

Portable Part --> DECT-Mobilstation

PP

Physical Plane

PP

Packet Processor

PP

Polypropylen (Verkabelung)

PP

Patch Panel (Netzwerkkomponenten)

PP

Presentation Protocol --> OSI-Schicht-6-Protokoll (Protokolle)

P2P

Point-to-Point Connection --> Punkt-zu-Punkt-Verbindung (Offene NW-Konzepte)

PPA

Passiver Prüfanschluss

PPC

Pay per Channel (Telekommunikation)

PPCH

Packet Paging Channel --> Rufkanal bei GPRS

PPD

Partial Packet Discard (ATM, B-ISDN)

PPDU

Presentation Layer Protocol Data Unit (ISO/OSI)

PPDU

Physical Protocol Data Unit (Wireless LAN)

PPF

Paging Proceed Flag (Mobilfunknetze)

ppm

Parts per Million (= 10-6)

PPM

Pulse Position Modulation --> Analoges Modulationsverfahren (Modulation)

PPM

Pulse Phase Modulation --> Pulsphasenmodulation (Modulation)

PPM

Packet Purse Model

PPP

Point-to-Point Protocol --> Verbindungsprotokoll zwischen zwei Endpunkten (RFC 1661) (Protokolle)

PPPoA

PPP over ATM

PPPoE

PPP over Ethernet

PPS

Packets per Second

PPS

Pulse per Second (IWV)

PPS

Precision Positioning System (GPS)

PPTP

Point-to-Point Tunneling Protocol --> Protokoll aus der PPP-Familie (Protokolle)

PPV

Pay per View (Telekommunikation)

PPX

Private Packet Switching Exchange --> Privates Paketvermittlungssystem (Offene NW-Konzepte)

PPX

Parallel Packet Express

PQ

Primary Questionaire

PQ

Priority Queuing (Internetworking)

PQA

Palm Query Applications (GSM)

PR

Path Replacement

PR

Persönliche Rufnummer (Weitverkehrsnetze)

PRA

Primary Rate Access --> Primärmultiplexanschluß (ISDN)

PRA

Preambel --> Präambel (Ethernet)

PRACH

Packet Random Access Channel (GPRSl)

PRBS

Pseudo Random Binary Sequence --> Binäre Quasi-Zufallsfolge

PRC

Primary Rate Channel

PRC

Primary Reference Clock (Optische Netze, SDH, Sonet)

PRC

Provisioning Class (Netzwerkmanagement)

PRCP

Path Reply Control Packet

PRF

Pulse Repetition Frequency --> Pulswiederholungsfrequenz

PRI

Primary Rate Interface --> Primärmultiplexanschluss (S2M-Schnittstelle) (ISDN)

PRI

Provisioning Instance (Netzwerkmanagement)

PRID

Provisioninig Instance Identifier (Netzwerkmanagement)

PRM

Portable Mobile Radio Modem (Mobilfunknetze)

PRM

Protocol Reference Model -> Protokoll-Referenzmodell (ATM, B-ISDN)

PRMA

Packet Reservation Multiple Access

PRMD

Private Management Domain (ITU-T X.400)

PRN

Pseudo Random Numerical (Wireless LAN)

PRNET

Packet Radio Network --> Paketorientiertes Funknetz (Mobilfunknetze)

PROFS

Professional Office System (Hersteller-NW-Architekturen)

PRR

Pulse Repetition Rate --> Pulswiederholungsrate

PRS

Premium Rate Service (Telekommunikation)

PRT

Portable Radio Termination

PS

Packet Switching --> Paketvermittlung (Weitverkehrsnetze)

PS

Presentation Service --> Dienst der Darstellungsschicht

PS

Paging System

PS

Polystryrol (Verkabelung)

PS

Proposed Standard (Standards, Verordnungen, Gesetze)

PS

Power Supply --> Stromversorgung

PSA

Point of Service Activation

PSACR

Power Sum Attenuation Crosstalk Ratio

PSAP

Presentation Service Access Point --> Dienstzugriffspunkt der Darstellungsschicht (ISO/OSI)

PSC

Peripheral Shelf Controller

PSC

Physical Signalling Component

PSCH

Primary Synchronisation Channel (GSM)

PSD

Power Spectral Density

PSDN

Packet Switched Data Network --> Paketvermitteltes Datennetz (X.25)

PSDU

Presentation Service Data Unit --> Dienstdateneinheit der Darstellungsschicht (ISO/OSI)

PSE

Packet Switching Exchange --> Datenpaketvermittlung ITU-T (X.25)

PSE

Personal Service Environment

PSE

Path Switching Element (FDDI)

PSE

Personal Security Environment --> Persönliche Sicherheitsumgebung (IT-Sicherheit)

PSELFEXT

Power Sum Equal Level Far End Crosstalk (Verkabelung)

PSF

PLCP-PDU Signalling Field (Wireless LAN)

PSFEXT

Power Sum Far End Crosstalk (Verkabelung)

PSH

Push (Flag, Steuerzeichen)

PSI

Protocol Service Information

PSI

Packetnet System Interface (DEC/VAX)

PSI

Programmable Serial Interface

PSI

Programmspezifische Information

PSK

Phase Shift Keying --> Phasenumtastung (Modulation)

PSM

Product Specific Module

PSN

Packet Switched Network --> Paketorientiertes, vermittelndes Netzwerk

PSN

Packet Switch Node --> Netzknoten in paketvermittelndem Netz (Weitverkehrsnetze)

PSN

Public Switched Network --> Öffentliches vermittelndes Netzwerk (Weitverkehrsnetze)

PSNEXT

Power Sum Near End Crosstalk (Verkabelung)

PSNP

Partial Sequence Numbers PDU (Internetworking)

PSO

Protocol Supporting Organization (ICANN) (Gremien, Organisationen)

PSO

Private Service Operator

PSP

Packet Switching Processor

PSPDN

Packet Switched Public Data Network --> Öffentliches Datenpaketvermittlungsnetz (Offene NW-Konzepte)

PSQM

Perceptual Speech Quality Measurement (Telekommunikation)

PSR

Previous Slot Reuse

PSR

Previous Slot Received

PSS

Packet Switched Stream (ITU-T X.25)

PSS

Packet Switching Service

PSS

Public Safety and Security (Mobilfunknetze)

PSS

Packet Switching System --> Datenpaketvermittlungssystem

PSS 1

Private Signalling System Number 1 (Telekommunikation)

PSTN

Public Switched Telephone Network --> Öffentliches, vermittelndes Telefonnetz

PSTP

PNNITopology State Packet (ATM, B-ISDN)

PSU

Power Supply Unit --> Stromversorgungseinheit

PT

Payload Type --> Nutzsignalart

PT

Personal Telecommunication (Mobilfunknetze)

PT

Penetration Testing --> Penetrationstest (IT-Sicherheit)

PTAT

Private Trans Atlantic Cable --> Glasfaserkabel zwischen Europa und Nordamerika (Verkabelung)

PTCRB

PCS Type Certification Review Board (Gremien, Organisationen)

PTE

Path Terminal Equipment (Optische Netze, SDH, Sonet)

PTE

Private Trading Exchange (Online-Dienste)

PTF

Program Temporary Fix

PTFE

Polytetrafluorethylen (Verkabelung)

PTI

Payload Type Identifier

PTL

Physical Transport Layer (Hersteller-NW-Architekturen)

PTM

Packet Transport Mode (ATM, B-ISDN)

PTM

Packet Transfer Mode

PTM

Point-to-Multipoint

PTM

Packet Trade Model

PTN

Private Telecommunication Network

PTNX

Private Telephone Network Exchange (Weitverkehrsnetze)

PTO

Public Telephone Operator

PTO

Public Telecommunication Operator (Telekommunikation)

PTP

Point-to-Point

PTR

Pointer --> Zeiger (Optische Netze, SDN, Sonet)

PTS

Presentation Time Stamp (ATM, B-ISDN)

PTSE

PNNI Topology State Element (ATM, B-ISDN)

PTSP

PNNI Topology State Packet (ATM, B-ISDN)

PTT

Post, Telephone and Telegraph

PTT

Push to Talk

PU

Physical Unit

PU

Portable Unit --> Mobilteil (Mobilfunknetze)

PUCP

Peripheral Unit Control Point (IBM/SNA)

PUCP

Physical Unit Control Point

PUK

Personal Unblocking Key (Mobilfunknetze)

PUMS

Physical Unit Management Services

PUP

Parc Universal Protocol (Protokolle)

PUP

Parc Universal Packet

PUR

Polyrethan (Verkabelung)

PV

Paketvermittlung (Weitverkehrsnetze)

PV

Packetized Voice --> Paketvermittelte Sprache

PVC

Permanent Virtual Connection

PVC

Permanent Virtual Circuit --> Dauerhaft eingerichtete, virtuelle Verbindung (X.25)

PVC

Ployvinylchlorid (Verkabelung)

PVCC

Permanent Virtual Channel Connection (ATM, Be-ISDN)

PVCL

Permanent Virtual Channel Link

PVDF

Polyvinylidenfluorid (Verkabelung)

PVP

Permanent Virtual Path (ATM, B-ISDN)

PVPC

Permanent Virtual Path Connection (ATM, B-ISDN)

PVPL

Permanent Virtual Path Link

PVV

Path Variability Value

PVXC

Pulse Vector Exciting Coding

PW

Pulse Width --> Pulsbreite

PWA

Predicted Wordlength Assignment

PWD

Print Working Directory

PWM

Pulse Width Modulation --> Pulsbreitenmodulation (Modulation)

PX

Private Exchange --> Privatvermittlung

PXP

Packet Exchange Protocol (Protokolle)