Communication systems for meters - Part 2: Wired M-Bus communication; German and English version EN 13757-2:2018/prA1:2023
Edition 2023-02

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

Industrial communication networks - Fieldbus specifications - Part 4-7: Data-link layer protocol specification - Type 7 elements (IEC 61158-4-7:2007); English version EN 61158-4-7:2008, only on CD-ROM
Edition 2008-09

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

Data communication; multilink procedures; identical with ISO 7478:1987 (status as of 1989)
Edition 1989-11

Terminal Equipment (TE) - Videotex Enhanced Man Machine Interface service (VEMMI); English version ETS 300382:1995
Edition 1995-10

European digital cellular telecommunications system (Phase 2) - Base Station Controller - Base Transceiver Station (BSC-BTS) interface - Layer 2 specification; English version ETS 300595:1994
Edition 1995-02

Intelligent transport systems - ESafety - ECall end to end conformance testing; German version EN 16454:2023
Edition 2024-03

Radio Equipment and Systems (RES) - Digital Enhanced Cordless Telecommunications (DECT); Data Services Profile (DSP) - Generic data link service; Service type C, class 2; English version ETS 300651:1996
Edition 1998-06

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