Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model - Connection supervision function (Higher order Connection Supervision/Lower order Connection Supervision (HCS/LCS)) for the Network Element (NE) view; English version ETS 300484:1996
Edition 1997-12

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

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Radio specific functional blocks for transmission of Mx STM-N; English version ETS 300635:19966
Edition 1997-09

Transmission and Multiplexing (TM) - Digital Radio Relay Systems (DRRS) - Fixed point-to-point radio link equipment for the transmission of digital signals and analogue video signals operating in the frequency bands 10 GHz and 14 GHz with 20 MHz alternate channel spacing (Endorsement of the English version ETS 300638:1996 as German standard)
Edition 2000-05

Transmission and Multiplexing (TM) - Optical Distribution Network (ODN) for Optical Access Network (OAN); English version ETS 300681:1997
Edition 1998-05

Transmission and Multiplexing (TM) - Physical layer User Network Interface (UNI) for 2048 kbit/s Asynchronous Transfer Mode (ATM) signals; English version ETS 300742:1997
Edition 1998-02

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) Network protection schemes - Automatic Protection Switch; APS protocols and operation; English version ETS 300746:1997
Edition 1997-12

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Radio specific functional blocks for transmission of M x sub-STM-1 (Endorsement of the English version ETS 300785:1998 as German standard)
Edition 1999-07

Broadband Integrated Services Digital Network (B-ISDN) - Asynchronous Transfer Mode (ATM) - Retainability performance for B-ISDN switched connections
Edition 2000-02-01

Access, Terminals, Transmission and Multiplexing (ATTM) - Energy management - Operational infrastructures - Global KPIs - Part 2: specific requirements - Sub-part 1 : ICT Sites (V1.1.1)
Edition 2018-07-27