Information technology. International standardized profile TAnnnn. Connection-mode transport service over connectionless-mode network service. Definition of profile TA53, operation over a token ring LAN subnetwork
Edition 1997-04-15

Open Systems Interconnection - Address information exchange protocol for use in conjunction with DIN ISO/IEC 8878 on a subnetwork; identical with ISO/IEC 10030:1995
Edition 1996-07

Information technology - International Standardized Profile TAnnnn - Connection-mode Transport Service over Connectionless-mode Network Service - Part 2: TA51 ........(abbreviated)
Edition 1995-03-01

Transformers and inductors for use in electronic and telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of the capability approval procedure (IEC 61248-4:1996); German version EN 61248-4:1997
Edition 1998-05

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model of the Sub Network Connection Protection (SNCP) for the Network Element (NE) view; English version ETS 300493:1996
Edition 1997-01

External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes; German version EN 50563:2011 + A1:2013
Edition 2014-09

Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units (IEC 61558-2-16:2009 + A1:2013); German version EN 61558-2-16:2009 + A1:2013
Edition 2014-06

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications (IEC 96/485/CDV:2019); German and English version prEN IEC 61558-2-16:2019
Edition 2020-06

Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 11: EC-cores for use in power supply applications (IEC 63093-11:2018); German version EN IEC 63093-11:2018
Edition 2019-04

Temporary works equipment - Safety nets - Part 1: Safety requirements, test methods; German version EN 1263-1:2014
Edition 2015-03