IEC 61280-4-2 Ed. 1.0 b:1999, Fibre optic communication subsystem basic test procedures - Part 4-2: Fibre optic cable plant - Single-mode fibre optic cable plant attenuation

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.