<status value="active"/><experimental value="false"/><date value="2010-08-26"/><publisher value="HL7 (FHIR Project)"/><description value="The type of process where the audit event originated from. Use of these codes is not required but is encouraged to maintain translation with DICOM AuditMessage schema."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><copyright value="These codes are excerpted from Digital Imaging and Communications in Medicine (DICOM) Standard, Part 16: Content Mapping Resource, Copyright © 2011 by the National Electrical Manufacturers Association. Additional codes added by HL7 FHIR use-case analysis"/><compose><include><system value="http://terminology.hl7.org/CodeSystem/security-source-type"/><concept><code value="1"/></concept><concept><code value="2"/></concept><concept><code value="3"/></concept><concept><code value="4"/></concept><concept><code value="5"/></concept><concept><code value="6"/></concept><concept><code value="7"/></concept><concept><code value="8"/></concept></include></compose></ValueSet>

Code	Display	Definition
1	User Device	End-user display device, diagnostic device.
2	Data Interface	Data acquisition device or instrument.
3	Web Server	Web Server process or thread.
4	Application Server	Application Server process or thread.
5	Database Server	Database Server process or thread.
6	Security Server	Security server, e.g. a domain controller.
7	Network Device	ISO level 1-3 network component.
8	Network Router	ISO level 4-6 operating software.