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

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; section 32: Data link layer; logical link control (LLC) (IEC 61334-4-32:1996); German version EN 61334-4-32:1996
Edition 1997-09

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI) - Part 4: Data Link Control (DLC) layer (Endorsement of the English version EN 300 175-4 V2.9.1 (2022-03) as a German standard)
Edition 2022-11

V-interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 8: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the data link layer (Endorsement of the English version EN 300324-8 V 2.1.1. (2000-05) as German standard)
Edition 2001-05

V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 8: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the data link layer (Endorsement of the English version EN 300347-8  V 2.1.2 (2000-06) as German standard)
Edition 2001-05

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Data link layer - Part 4: Protocol Implementation Conformance Statement (PICS) proforma specification for the general protocol (Endorsement of the English version EN 300402-4 V 1.2.3 (1999-11) as German standard)
Edition 2000-10

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the general protocol (Endorsement of the English version EN 300402-7 V 1.4.5 (2000-08) as German standard)
Edition 2001-02

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI); Protocol Implementation Conformance Statement (PICS) proforma - Part 2: Data Link Control (DLC) layer; Portable radio Termination (PT) (Endorsement of the English version EN 300476-2 V 1.2.1 (2000-11) as German Standard)
Edition 2002-05

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI); Protocol Implementation Conformance Statement (PICS) proforma - Part 5: Data Link Control (DLC) layer; Fixed radio Termination (FT) (Endorsement of the English version EN 300476-5 V 1.2.1 (2000-11) as German Standard)
Edition 2002-05

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI); Test Case Library (TCL) - Part 4: Test Suite Structure (TSS) and Test Purposes (TP); Data Link Control (DLC) layer (Endorsement of the English version EN 300497-4 V 0.3.0 (1999-10) as German standard)
Edition 2000-07