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ISO/TR 9007:1987PublishedInformation processing systems — Concepts and terminology for the conceptual schema and the information baseISO/IEC 9040:1997PublishedInformation technology — Open Systems Interconnection — Virtual Terminal Basic Class ServiceISO/IEC 9041-1:1997PublishedInformation technology — Open Systems Interconnection — Virtual Terminal Basic Class Protocol — Part 1: SpecificationISO/IEC 9041-2:1997PublishedInformation technology — Open Systems Interconnection — Virtual Terminal Basic Class Protocol — Part 2: Protocol Implementation Conformance Statement (PICS) proformaISO/IEC 9066-3:1996PublishedInformation technology — Open Systems Interconnection — Reliable Transfer: Protocol Implementation Conformance Statement (PICS) proformaISO/IEC 9072-3:1996PublishedInformation technology — Open Systems Interconnection — Remote Operations: Protocol Implementation Conformance Statement (PICS) proformaISO 9160:1988PublishedInformation processing — Data encipherment — Physical layer interoperability requirementsISO 9542:1988PublishedInformation processing systems — Telecommunications and information exchange between systems — End system to Intermediate system routeing exchange protocol for use in conjunction with the Protocol for providing the connectionless-mode network service (ISO 8473)ISO 9543:1989PublishedInformation processing systems — Information exchange between systems — Synchronous transmission signal quality at DTE/DCE interfacesISO/IEC 9545:1994PublishedInformation technology — Open Systems Interconnection — Application Layer structureISO/IEC 9548-1:1996PublishedInformation technology — Open Systems Interconnection — Connectionless Session protocol: Protocol specificationISO/IEC 9548-2:1995PublishedInformation technology — Open Systems Interconnection — Connectionless Session protocol: Protocol Implementation Conformance Statement (PICS) proformaISO/IEC 9549:1990PublishedInformation technology — Galvanic isolation of balanced interchange circuitISO/IEC 9574:1992PublishedInformation technology — Provision of the OSI connection-mode network service by packet mode terminal equipment to an integrated services digital network (ISDN)ISO/IEC TR 9575:1995PublishedInformation technology — Telecommunications and information exchange between systems — OSI Routeing FrameworkISO/IEC 9576-1:1995PublishedInformation technology — Open Systems Interconnection — Connectionless Presentation protocol: Protocol specification — Part 1:ISO/IEC 9576-2:1995PublishedInformation technology — Open Systems Interconnection — Connectionless Presentation protocol: Protocol Implementation Conformance Statement (PICS) proformaISO/IEC TR 9577:1999PublishedInformation technology — Protocol identification in the network layerISO/IEC TR 9578:1990PublishedInformation technology — Communication interface connectors used in local area networksISO/IEC 9579:2000PublishedInformation technology — Remote database access for SQL with security enhancementISO/IEC 9594-12:2025PublishedInformation technology — Open systems interconnection — Part 12: The Directory: Key management and public-key infrastructure establishment and maintenanceISO/IEC 9594-11:2025PublishedInformation technology — Open systems interconnection directory — Part 11: Protocol specifications for secure operationsISO/IEC 9594-3:2020PublishedInformation technology — Open systems interconnection — Part 3: The Directory: Abstract service definitionISO/IEC 9594-4:2020PublishedInformation technology — Open systems interconnection — Part 4: The Directory: Procedures for distributed operationISO/IEC 9594-1:2020PublishedInformation technology — Open systems interconnection — Part 1: The Directory: Overview of concepts, models and services