Industrial networks - Single-drop digital communication interface - Part 3: Wireless extensions (IEC 65C/1181/CDV:2022); English version prEN IEC 61139-3:2022
Edition 2023-04

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

Industrial networks - Single-drop digital communication interface - Part 2: Functional safety extensions (IEC 61139-2:2022); English version EN IEC 61139-2:2022
Edition 2023-04

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 3-1: Data-link layer service definition - Type 1 elements (IEC 61158-3-1:2014); English version EN 61158-3-1:2014, only on CD-ROM
Edition 2015-07