1 Scope
This part of IEC 60794‑1 defines test procedures to be used in establishing uniform requirements for the environmental
performance of:
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• optical fibre cables for use with telecommunication equipment and devices employing similar techniques; and
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• cables having a combination of both optical fibres and electrical conductors.
Throughout this document, the wording "optical cable" can also include optical fibre
units, microduct fibre units, etc.
This document defines a test standard to determine the ability of a cable to withstand
the effects of temperature cycling by observing changes in attenuation.
See IEC 60794‑1‑2 for a reference guide to test methods of all types and for general requirements and
definitions.