Postal Services - Hybrid Mail - Part 2: Secured electronic postal services (SePS) interface specification - ECPM Service; English version CEN/TS 15121-2:2011
Edition 2011-03

Intelligent transport systems - ITS station security services for secure session establishment and authentication between trusted devices (ISO 21177:2024); English version EN ISO 21177:2024
Edition 2024-06

Industrial communication networks - Fieldbus specifications - Part 3-28: Data-link layer service definition - Type 28 elements (IEC 61158-3-28:2023); English version EN IEC 61158-3-28:2023
Edition 2024-06

Intelligent transport systems - Automatic vehicle and equipment identification - Interfaces (ISO 17264:2009); English version EN ISO 17264:2009
Edition 2011-10

Industrial communication networks - Fieldbus specifications - Part 3-21: Data-link layer service definition - Type 21 elements (IEC 61158-3-21:2019); English version EN IEC 61158-3-21:2019, only on CD-ROM
Edition 2020-06

Industrial communication networks - Fieldbus specifications - Part 3-8: Data-link layer service definition - Type 8 elements (IEC 61158-3-8:2007); English version EN 61158-3-8:2008, only on CD-ROM
Edition 2008-09

Industrial communication networks - Fieldbus specifications - Part 6-4: Application layer protocol specification - Type 4 elements (IEC 61158-6-4:2019); English version EN IEC 61158-6-4:2019, only on CD-ROM
Edition 2020-08

Broadband Integrated Services Digital Network (B-ISDN) - B-ISDN Protocol Reference Model (PRM); English version ETS 300354:1995
Edition 1996-04

Electricity metering - Data exchange for meter reading, tariff and load control - Part 46: Data link layer using HDLC-protocol (IEC 62056-46:2002 + A1:2006); German version EN 62056-46:2002 + A1:2007, text in English
Edition 2007-08

Industrial communication networks - Fieldbus specifications - Part 3-17: Data-link layer service definition - Type 17 elements (IEC 61158-3-17:2007); English version EN 61158-3-17:2008, only on CD-ROM
Edition 2008-09