Cleanrooms and associated controlled environments Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration
Edition 2017

Information technology; telecommunications and information exchange between systems; use of X.25 to provide the OSI connection-mode network service
Edition 1992-12

Information technology; use of X.25 packet layer protocol in conjunction with X.21/X.21bis to provide the OSI connection-mode network service
Edition 1993-05

Information technology; use of X.25 packet layer protocol to provide the OSI connection-mode network service over the telephone network
Edition 1993-05

Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired; English version ETS 300488:1996
Edition 1996-08

Cleanrooms and associated controlled environments - Part 2: Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration (ISO 14644-2:2015); German version EN ISO 14644-2:2015
Edition 2016-05

Transmission and Multiplexing (TM) - Requirements of passive Optical Access Networks (OANs) to provide services up to 2 Mbit/s bearer capacity (Endorsement of the English version EN 300463 V 1.1.2 (2000-06) as German standard)
Edition 2001-05

Broadband Integrated Services Digital Network (B-ISDN) - ATM Adaptation Layer (AAL) - Sublayers: Service Specific Co-ordination Function (SSCF) to provide the Connection-Oriented Transport Service (COTS) [ITU-T Recommendation I.365.3 (1995)] (Endorsement of the English version EN 301117 V 1.1.1 (1998-04) as German Standard)
Edition 2000-06

Broadband Integrated Services Digital Network (B-ISDN) - ATM Adaptation Layer (AAL) - Sublayers: Service Specific Co-ordination Function (SSCF) to provide the Connection-Oriented Network Service (CONS) [ITU-T Recommendation I.365.2 (1995)] (Endorsement of the English version ETS 300842:1998 as German standard)
Edition 2000-06

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Transmitting equipment for terrestrial mobile TV to provide multimedia multicast service - Part 1: Harmonized EN covering the essential requirements of article 3.2 of the R&TTE Directive, Common requirements (Endorsement of the English version EN 302998-1 V1.1.1 (2011-05) as German standard)
Edition 2011-09