Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments - Part 1: Generic specification (IEC 62012-1:2002); German version EN 62012-1:2002
Edition 2003-06

Private Integrated Services Network (PISN) - Mapping functions for the employment of a circuit mode basic service and the supplementary service user-to-user signalling as a pair of on-demand inter-PINX connections (Mapping/UUS) (Endorsement of the English version EN 301102 V 1.1.1 (1998-06) as German standard)
Edition 2000-03

Analytical colorimetry - Part 4: Metamerism index for pairs of samples for change of illuminant (ISO 18314-4:2024); German version EN ISO 18314-4:2024
Edition 2024-04

Gears - Cylindrical involute gears and gear pairs - Concepts and geometry (ISO 21771:2007)
Edition 2014-08

Aerospace series - Connecting ring pair for tow releases
Edition 2005-12

Information technology; telecommunications and information exchange between systems; twisted pair multipoint interconnections
Edition 1993-12

Telecommunications and exchange between information technology systems - Requirements for local and metropolitan area networks - Part 3: Standard for Ethernet - Amendment 2: Physical layer and management parameters for power over Ethernet over 4 pairs
Edition 2021-12

Telecommunications and exchange between information technology systems - Requirements for local and metropolitan area networks - Part 3: Standard for Ethernet - Amendment 5: Physical layers specifications and management parameters for 10 Mb/s operation and associated power delivery over a single balanced pair of conductors
Edition 2021-12

Telecommunications and exchange between information technology systems - Requirements for local and metropolitan area networks - Part 3: Standard for Ethernet - Amendment 6: Maintenance 13: Power over ethernet over 2 pairs
Edition 2021-10