Intelligent transport systems. ITS station management. Service access points
Edition 2018-11-05

Integrated Services Digital Network (ISDN) - Synchronization and Co-ordination Function (SCF) for the provision of the OSI Connection-mode Network Service (OSI CONS) in an ISDN environment - Specification of SCF (ITU-T Recommendation Q.923 (1995), modified); English version ETS 300660:1996
Edition 1997-04

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 1: General aspects [ITU-T Q.920 (1993), modified]; English version ETS 300402-1:1995
Edition 1996-06

Home and Building Electronic Systems (HBES) - Part 4-1: Media independent layers - Application layer for HBES Class 1; German version EN 50090-4-1:2004, text English
Edition 2004-06

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

Industrial communication networks - Fieldbus specifications - Part 3-25: Data-link layer service definition - Type 25 elements (IEC 61158-3-25:2019); English version EN IEC 61158-3-25:2019, only on CD-ROM
Edition 2020-06

Intelligent transport systems; ITS station management - Part 3: Service access points
Edition 2020-04

Industrial communication networks - Fieldbus specifications - Part 3-18: Data-link layer service definition - Type 18 elements (IEC 61158-3-18:2007); German version EN 61158-3-18:2008, only on CD-ROM
Edition 2008-09

Intelligent transport systems - ITS station management - Part 3: Service access points
Edition 2018-11

Industrial communication networks - Fieldbus specifications - Part 3-16: Data-link layer service definition - Type 16 elements (IEC 61158-3-16:2007); English version EN 61158-3-16:2008, only on CD-ROM
Edition 2008-09