Information security, cybersecurity and privacy protection - Information security management systems - Requirements (ISO/IEC 27001:2022); German version EN ISO/IEC 27001:2023
Edition 2024-01

Data communication - X.25 DTE conformance testing - General principles; identical with ISO/IEC 8882-1:1996
Edition 1997-06

Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE 2 laminations (IEC 61021-2:1995); German version EN 61021-2:1997
Edition 1997-10

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurement on terrestrial radio relay-systems - Section 5: Digital signal processing sub-system (IEC 60835-2-5:1993); German version EN 60835-2-5:1995
Edition 1995-04

Industrial communication networks - Fieldbus specifications - Part 6-22: Application layer protocol specification - Type 22 elements (IEC 61158-6-22:2014); English version EN 61158-6-22:2014, only on CD-ROM
Edition 2015-09

Integrated Services Digital Network (ISDN); syntax-based videotex end-to-end protocols; circuit mode DTE-DTE; english version ETS 300079:1991
Edition 1992-09

Terminal equipment (TE); syntax-based videotex common end-to-end protocols; English version ETS 300223:1993
Edition 1994-01

Open systems interconnection; internal organization of the network layer; identical with ISO 8648:1988
Edition 1990-07

Petroleum and natural gas industries - Design and operation of subsea production systems - Part 4: Subsea wellhead and tree equipment (ISO 13628-4:2010 + Cor. 1:2011); English version EN ISO 13628-4:2010 + AC:2011, only on CD-ROM
Edition 2011-09