Integrated Services Digital Network (ISDN). Circuit mode structured bearer service category usable for speech information transfer. Terminal requirements necessary for end-to-end compatibility
Edition 1995-07-01

Integrated Services Digital Network (ISDN). Circuit mode structured bearer service category usable for 3,1 kHz audio information transfer. Terminal requirements necessary for end-to-end compatibility
Edition 1995-07-01

Integrated Services Digital Network (ISDN). Circuit mode 64 kbit/S 8 kHz structured bearer service category usable for speech information transfer. Service description
Edition 1995-07-01

Terminal equipment (te). Syntax-based videotex lower layer protocols using packet mode access over the public switched telephone network (PSTN)
Edition 1994-11-01

Broadband integrated services digital network (B-ISDN). Asynchronus transfer mode (ATM). Basic characteristics and functional specification of ATM. Part 1: B-ISDN ATM functional specification
Edition 1995-12-01

Broadband integrated services digital network (B-ISDN). Asynchronus transfer mode (ATM). Basic characteristics and functional specification of ATM. Part 2: B-ISDN ATM layer specification
Edition 1995-12-01

Transformers and inductors for use in electronic and telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power .....(abbreviated)
Edition 1997-06-16

Low-voltage switch mode power supplies - Part 7: Safety requirements (IEC 61204-7:2016) (german version)
Edition 2019-02-01

VHF air-ground Digital Link (VDL) Mode 2 - Technical characteristics and methods of measurement for ground-based equipment - Part 2: upper layers (V1.2.1)
Edition 2019-12-13

VHF air-ground Digital Link (VDL) Mode 4 radio equipment - Technical characteristics and methods of measurement for ground-based equipment - Part 4: point-to-point functions (V1.3.1)
Edition 2015-09-26