D.20 RIO - HARDWARE USER’S MANUAL GE Information 65D.20 RIO Distributed I/O ControllerAppendix B: List of AcronymsList of AcronymsAcronym DefinitionsThis Appendix lists and defines the acronyms used in this manual.Acronym DefinitionAWG American Wire GaugeCE Mark Mandatory conformity mark for products placed on the market in theEuropean Economic Area (EEA)CISPR Special international committee on radio interferenceD.20 RIO D.20 RIO Distributed I/O ControllerDOT Department of TransportationEMC Electromagnetic CapabilityEPUP Environmental Protection Use PeriodEU European UnionGE General ElectricGUI Graphical User Interface (also called Human Machine Interface – HMI)HDLC High-Level Data Link ControlHMI Human Machine Interface (also called Graphical User Interface – GUI)HTTP HyperText Transfer ProtocolHTTPS Designated the use of HTTP but with a different default port and an additionalencryption/authentication layer between HTTP and TCPICAO International Civil Aviation OrganizationICMP Internet Control Message ProtocolIEC International Electrotechnical Commission StandardsIED Intelligent Electronic DeviceIRIG-B Inter Range Instrumentation Group (IRIG) - an American standardized networktime code formatJRE JAVA Runtime EnvironmentJVM Java Virtual MachineLAN Local Area Network