Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 3: Implementation Conformance Statement (ICS) and Implementation eXtra Information for Testing (IXIT) proforma specification for interface IA and IB; English version ETS 300011-3:1998
Edition 1998-12

Integrated Services Digital Network (ISDN) - Access digital section for ISDN primary rate; English version ETS 300233:1994
Edition 1994-10

Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 2: Conformance test specification for interface IA and IB; English version ETS 300011-2:1998
Edition 1998-12

Power line communication systems for power utility applications - Part 3: Digital Power Line Carrier (DPLC) terminals and hybrid ADPLC terminals (IEC 62488-3:2021); English version EN IEC 62488-3:2021
Edition 2023-05

Digital Video Broadcasting (DVB) - DVB interfaces to Synchronous Digital Hierarchy (SDH) networks; English version ETS 300814:1998
Edition 1998-10