Fibre optic connector optical interfaces - Optical interface standard single mode angled physically contacting fibres Ingestion-build-82396 BS EN 13971 gives test

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Fibre optic connector optical interfaces - Optical interface standard single mode angled physically contacting fibres Ingestion-build-82396 BS EN 13971 gives test1 Scope The document defines a set of prescribed conditions that must be maintained in order to satisfy the requirements of attenuation and return loss performance in a randomly mated pair of fibres. Performance grades are classified into four categories for attenuation and one for return loss measurements.