Industrial communication networks - Fieldbus specifications and Profiles - Type 27 elements (MECHATROLINK) (IEC 65C/1104/CDV:2021); English version prEN IEC 61158-X-27:2021
Edition 2022-02

European digital cellular telecommunications system (Phase 2) - Application of the Base Station System Application Part (BSSAP) on the E-interface; English version ETS 300626:1995
Edition 1996-02

Integrated Services Digital Network (ISDN) - Audiovisual services - Videotelephone systems and terminal equipment operating on one or two 64 kbit/s channels; English version ETS 300145:1996
Edition 1996-08

Transmission and multiplexing (TM); protocol suites for Q interfaces for management of transmission systems; English version ETS 300150:1992
Edition 1994-01

Public Switched Telephone Network (PSTN) - Category II specification for 14400, 12000, 9600, 7200 and 4800 bits per second duplex modems standardized for use on the PSTN; English version ETS 300492:1996
Edition 1997-08

Digital cellular telecommunications system (Phase 2) - Subscriber, Mobile Equipment (ME) and services data administration; English version ETS 300613:1996
Edition 1997-07

Integrated Services Digital Network (ISDN) - Programming Communication Interface (PCI) for Euro-ISDN; English version ETS 300325:1994
Edition 1994-08