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IEC 61753-101-03:2021 contains the minimum tests, test severities and measurement requirements which a fibre management system need to meet in order to be categorised as meeting the IEC standard, category OP – Outdoor Protected environment, as defined in IEC 61753-1. This performance standard for fibre management systems defines the requirements for standard optical performance under a set of specified conditions. It contains a series or a set of tests and measurements with clearly stated conditions, severities and pass/fail criteria. The series of tests, commonly referred to as an operating service environment or performance category, is intended to be a basis to prove the product’s ability to satisfy the requirements of a specific application, market sector or user group.

This first edition cancels and replaces IEC 61753-101-3 the first edition published in 2006. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to IEC 61753-101-3 the previous edition:

a) the terms and definitions have been updated according to IEC 61753-1:2018 and IEC 61756-1:2019;

b) the test severities have been updated according to IEC 61753-1:2018;

c) detailed material tests for mould growth (IEC 60068-2-10) and UV light exposure (ISO 4892-3) have been added;

d) the detailed transport performance requirements have been removed;

e) IEC 60793-2-50 subcategory B-657 fibres for test samples in Annex A has been added.