DIN EN 50289-3-15 PDF

Published Date: 05/01/2001

Integrated Services Digital Network (ISDN) - Primary rate User Network Interface (UNI) - Part 1: Layer 1 specification (Endorsement of the English version EN 300011-1 V 1.2.2. (2000-05) as German standard)

Published Date: 09/01/2000

Integrated Services Digital Network (ISDN) - Conference call, add-on (CONF) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300185-6 V 1.3.4 (1999-11) as German standard)

Published Date: 08/01/1999

Optical fibre amplifiers - Basic specification - Part 2-2: Test methods for power parameters; electrical spectrum analyzer (IEC 61290-2-2:1998); German version EN 61290-2-2:1998

Published Date: 04/01/1993

Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992

Published Date: 01/01/1981