IEC TS 62033 pdf download Attenuation uniformity in optical fibres 1 Scope This technical specification indicates the fundamental definitions for attenuation uniformity andoutlines the algorithms used to compute attenuation uniformity values from backscatteringmeasurements. Procedures for completing these measurements are given in lEC 60793-1-4-C1C. Normative references The following normative documents contain provisions which，through reference in this text,constitute provisions of this technical...