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

Integrated Services Digital Network (ISDN); user-network interface data link layer specification; application of CCITT recommendations Q.920/I.440 and Q.921/I.441; english version ETS 300125:1991
Edition 1992-05

Industrial communication networks - Fieldbus specifications - Part 6-25: Application layer protocol specification - Type 25 elements (IEC 61158-6-25:2019); English version EN IEC 61158-6-25:2019, only on CD-ROM
Edition 2020-08

Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Functional capabilities and information flows; English version ETS 300266:1994
Edition 1994-10

Industrial communication networks - High availability automation networks - Part 5: Beacon Redundancy Protocol (BRP) (IEC 62439-5:2016); English version EN IEC 62439-5:2018
Edition 2018-08

Universal Serial Bus interfaces for data and power - Part 3-1: Universal Serial Bus 3.1 Specification (IEC 62680-3-1:2017); English version EN 62680-3-1:2017
Edition 2018-05

Design automation - Part 1: Standard test language for all systems - Common abbreviated test language for all systems (C/ATLAS) (IEC 61926-1:1999); German version EN 61926-1:2000
Edition 2000-11

IEC-821-VMEbus - Microprocessor system bus for 1 byte to 4 byte data (IEC 60821:1991, modified); German version EN 60821:1994
Edition 1994-09

Industrial communication networks - Profiles - Part 3-3: Functional safety fieldbuses - Additional specifications for CPF 3 (IEC 61784-3-3:2021); English version EN IEC 61784-3-3:2021
Edition 2023-04

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