Transmission and multiplexing (TM). Physical and electrical characteristics of hierarchical digital interfaces for equipment using the 2048 kbit/S based plesiochronous or synchronous digital hierarchies
Edition 1996-12-01

Transmission and Multiplexing (TM) - Management of Synchronous Digital Hierarchy (SDH) transmission equipment - Fault management and performance monitoring; functional description (Endorsement of the English version EN 301167 V 1.1.1 (1998-08) as German standard)
Edition 2000-09

Digital audio - Digital input-output interfacing - Transmission of digital audio over asynchronous transfer mode (ATM) networks (IEC 62365:2009); German version EN 62365:2009
Edition 2010-02