IEC TS 62033 pdf download.ATTENUATION UNIFORMITY IN OPTICAL FIBRES 1 Scope This technical specification indicates the fundamental definitions for attenuation uniformity and outlines the algorithms used to compute attenuation uniformity values from backscattering measurements. Procedures for completing these measurements are given in IEC 60793-1 -4-C1 C. 2 Normative references The following normative documents contain provisions which, through reference in this...