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This standard specifies a test procedure for general communication subsystems measuring the optical power coupled from the output of a transmitter under test into single-mode optical fibre cable containing dispersion-unshifted fibre or dispersion-shifted fibre. The significant change compared to the previous edition is the inclusion of Annex A on the consideration of uncertainties. The responsible committee is DKE/UK 412.2 "Komponenten für Kommunikationskabelanlagen" ("Fibre optic systems and active devices") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.
This document replaces DIN EN 61280-1-1:1999-05 .