V interfaces at the digital Service Node (SN) - Interfaces at the VB5.2 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 3: Test Suite Structure and Test Purposes (TSS&TPP) (Endorsement of the English version EN 301217-3 V 1.1.1 (2001-01) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer (NTN side) (Endorsement of the English version EN 301141-3 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 4: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (NTN side) (Endorsement of the English version EN 301141-4 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the PSTN NMDS interface Layer 3 (NTN side) (Endorsement of the English version EN 301141-7 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 8: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the PSTN NMDS interface Layer 3 (LE side) (Endorsement of the English version EN 301141-8 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (LE side) (Endorsement of the English version EN 301141-5 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the NMDS Layer 2 PSTN-GW function (NTN side) (Endorsement of the English version EN 301141-6 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Satellite Earth Stations and Systems (SES) - Harmonised Standard for Mobile Earth Stations (MES) operating in the 1 980 MHz to 2 010 MHz (earth-to-space) and 2 170 MHz to 2 200 MHz (space-to-earth) frequency bands covering the essential requirements of article 3.2 of the Directive 2014/53/EU - Part 3: User Equipment (UE) for narrowband systems (Endorsement of the English version EN 302 574-3 V2.1.1 (2016-06) as German standard)
Edition 2016-11

Electricity metering data exchange - the DLMS/COSEM suite - Part 8-4: Communication profiles for narrow-band OFDM PLC PRIME neighbourhood networks (IEC 62056-8-4:2018); English version EN IEC 62056-8-4:2019
Edition 2020-05

Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994); German version EN ISO 389-4:1998
Edition 1999-07