Integrated Services Digital Network (ISDN) - Signalling system no. 7 - ISDN User Part (ISUP) version 1; Test specification; English version ETS 300335:1994
Edition 1995-01

Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993
Edition 1994-01

Electronic railway equipment - Train communication network (TCN) - Part 3-4: Ethernet Consist Network (ECN) (IEC 61375-3-4:2014); English version EN 61375-3-4:2014
Edition 2015-10

Industrial communication networks - Fieldbus specifications - Part 6-3: Application layer protocol specification - Type 3 elements (IEC 61158-6-3:2019); English version EN IEC 61158-6-3:2019, only on CD-ROM
Edition 2020-08

Industrial communication networks - Fieldbus specifications - Part 6-10: Application layer protocol specification - Type 10 elements (IEC 61158-6-10:2019); English version EN IEC 61158-6-10:2019, only on CD-ROM
Edition 2020-08

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; Section 41: Application protocols; Distribution line message specification (IEC 61334-4-41:1996); German version EN 61334-4-41:1996
Edition 1997-09

European digital cellular telecommunications system (phase 2) - Mobile radio interface signalling layer 3, general aspects; English version ETS 300556:1995
Edition 1995-08

Function blocks - Part 1: Architecture (IEC 61499-1:2012); German version EN 61499-1:2013
Edition 2014-09

Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol specification - Type 24 elements (IEC 61158-4-24:2019); English version EN IEC 61158-4-24:2019, only on CD-ROM
Edition 2020-08

Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements (IEC 61158-4-3:2019); English version EN IEC 61158-4-3:2019, only on CD-ROM
Edition 2020-08