Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 2: General protocol specification [ITU-T Q.921 (1993), modified]; English version ETS 300402-2:1995
Edition 1996-06

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 1: Protocol specification (ITU-T Recommendations Q.771 to Q.775 (1993), modified); English version ETS 300287-1:1996
Edition 1997-11

Mechanical security devices - Part 2: Additional burglar resistant products for windows and doors - Requirements and test methods
Edition 2021-12

Tunnel boring machines - Air locks - Part 2: Safety requirements for the use of non-air breathing mixtures and saturation techniques in personnel locks and for pressurised transfer shuttles; German and English version prEN 12110-2:2023
Edition 2023-03

Industrial communication networks - Profiles - Part 2: Additional fieldbus profiles for real-time networks based on ISO/IEC/IEEE 8802-3 (IEC 61784-2:2019); English version EN IEC 61784-2:2019, only on CD-ROM
Edition 2020-07

Maritime navigation and radiocommunication equipment and systems - Automatic Identification Systems (AIS) - Part 2: Class A shipborne equipment of the automatic identification system (AIS) - Operational and performance requirements, methods of test and required test results (IEC 61993-2:2018); English version EN IEC 61993-2:2018
Edition 2019-05

Basic environmental testing procedures; part 2: tests; test XA and guidance: immersion in cleaning solvents (IEC 60068-2-45:1980 + A1:1993); German version EN 60068-2-45:1992 + A1:1993
Edition 1994-02

Basic environmental testing procedures - Part 2: Tests; test Ga and guidance: Acceleration, steady state (IEC 60068-2-7:1983 + A1:1986); German version EN 60068-2-7:1993
Edition 1995-03

Event video data recorder for road vehicle accidents - Part 2: Test methods for evaluating the performance of basic functions (IEC 63005-2:2019); German version EN IEC 63005-2:2020
Edition 2020-12

LCD multi-screen display terminals - Part 2: Measuring methods (IEC 63181-2:2020); German version EN IEC 63181-2:2020
Edition 2021-03