4 Symbols and Abbreviations
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# 4 Symbols and Abbreviations

The following symbols and abbreviations are used in this part of the Standard.

ACR

  American College of Radiology

ACSE

  Association Control Service Element

ASCII

  American Standard Code for Information Interchange

AE

  Application Entity

ANSI

  American National Standards Institute

AP

  Application Process

ASE

  Application Service Element

ARTIM

  Association Request/Reject/Release Timer

CEN TC251

  Comite Europeen de Normalisation-Technical Committee 251 - Medical Informatics

DICOM

  Digital Imaging and Communications in Medicine

FDDI

  Fiber Distributed Data Interface

HL7

  Health Level 7

IEC

  International Electrotechnical Commission

IEEE

  Institute of Electrical and Electronics Engineers

ISDN

  Integrated Services Digital Network

ISO

  International Organization for Standardization

ISP

  International Standardized Profile

JIRA

  Japan Medical Imaging and Radiological Systems Industries Association

LAN

  Local Area Network

NEMA

  National Electrical Manufacturers Association

NIST

  National Institute of Standards and Technology

OSI

  Open Systems Interconnection

PDU

  Protocol Data Unit

PDV

  Presentation Data Values

SAP

  Service Access Point

TCP/IP

  Transmission Control Program/Internet Protocol

UID

  Unique Identifier

UL

  Upper Layers

WAN

  Wide Area Network

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