Digital cellular telecommunications system (Phase 2+); Radio subsystem link control (GSM 05.08 version 6.8.1 Release 1997) (ETSI EN 300911 V6.8.1 (2000-10))
Edition 2024-09-01

Digital cellular telecommunications system (Phase 2+); Radio subsystem link control (GSM 05.08 version 7.4.1 Release 1998) (ETSI EN 300911 V7.4.1 (2000-10))
Edition 2024-09-01

Digital cellular telecommunications system (Phase 2+); Radio subsystem link control (GSM 05.08 version 5.9.1 Release 1996) (ETS 300911 V5.9.1:1999-03)
Edition 2024-09-01

Digital cellular telecommunications system (Phase 2+); Radio subsystem link control (GSM 05.08 version 6.5.1 Release 1997) (ETSI EN 300911 V6.5.1 (1999-12))
Edition 2024-09-01

Digital cellular telecommunications system (Phase 2+); Radio subsystem link control (GSM 05.08 version 6.7.2 Release 1997) (ETSI EN 300911 V6.7.2 (2000-07))
Edition 2024-09-01

Fibre optic communication subsystem basic test procedures - Part 1-1: Test procedures for general communication subsystems - Transmitter output optical power measurement for single-mode optical fibre cable (Endorsed by AENOR in November of 2013.)
Edition 2013-11-01

Fibre optic communication subsystem test procedures - Part 1-3: General communication subsystems - Measurement of central wavelength, spectral width and additional spectral characteristics (Endorsed by Asociación Española de Normalización in October of 2021.)
Edition 2021-10-01

BS EN IEC 61280-4-2/AMD1 Amendment 1 - Fibre-optic communication subsystem test procedures. Part 4-2: Installed cabling plant. Single-mode attenuation and optical return loss measurements
Edition 2024-07-05

Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring (Endorsed by AENOR in June of 2006.)
Edition 2006-06-01

Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems (Endorsed by AENOR in July of 2009.)
Edition 2009-07-01