Telecommunications Management Network (TMN) - Asynchronous Transfer Mode (ATM) management information model for the X interface between Operation Systems (OSs) of a Virtual Path (VP)/Virtual Channel (VC) cross connected network - Part 2: Alarm management (Endorsement of the English version EN 300820-2 V 1.3.1 (2000-11) as German Standard)
Edition 2001-08

Telecommunications Management Network (TMN) - Synchronous Digital Hierachy (SDH) radio relay equipment - Information model for use on Q interface (Endorsement of the English version EN 300645 V 1.2.1 (1998-10) as German standard)
Edition 2000-09

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Advice of charge supplementary services [ISO/IEC 15049 (1997) modified] (Endorsement of the English version EN 301254 V1.2.1 (2003-06) as German standard)
Edition 2004-03

Telecontrol equipment and systems - Part 5-103: Transmission protocols; companion Standard for the informative interface of protection equipment (IEC 60870-5-103:1997); German version EN 60870-5-103:1998
Edition 1999-11

Information technology - Coded graphic character set for use in the preparation of documents used in electrotechnology and for information interchange (IEC 61286:2001, modified); German version EN 61286:2002
Edition 2003-09

Information processing - Magnetic tape cassette and cartridge labelling and file structure for information interchange
Edition 1997-07

Telecommunications Management Network (TMN) - Performance monitoring for Plesiochronous Digital Hierarchy (PDH) interfaces - Information model for the Network Element (NE) view (Endorsement of the English version EN 301384 V 1.1.2 (2001-02) as German standard)
Edition 2001-12

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Call offer supplementary service [ISO/IEC 14841 (1996) modified] (Endorsement of the English version EN 300361 V1.3.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Do not disturb and do not disturb override supplementary services [ISO/IEC 14842 (1996) modified] (Endorsement of the English version EN 300363 V1.3.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call diversion supplementary service (ISO/IEC 13872 (2003), modified) (Endorsement of the English version EN 300256 V1.3.1 (2004-01) as German standard)
Edition 2004-12