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IEC 61280-4-2:1999 ed1.0

Заменен
Fibre optic communication subsystem basic test procedures - Part 4-2: Fibre optic cable plant - Single-mode fibre optic cable plant attenuation — 27 стр.
Describes procedures to measure the optical attenuation (loss) performance of installed single-mode fibre optic cable plants. May be used to measure the optical loss between any two passively connected points, including end terminations, of a single-mode fibre optic cable plant.
ICS
33.180.01 Fibre optic systems in general / Волоконно-оптические системы в целом