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IEC 60793-1-46-ed.2.0
Optical fibres - Part 1-46: Measurement methods and test procedures - Monitoring of changes in attenuation
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STANDARD published on 27.6.2024
The information about the standard:
Designation standards: IEC 60793-1-46-ed.2.0
Publication date standards: 27.6.2024
SKU: NS-1188610
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60793-1-46-ed.2.0 :
IEC 60793-1-46:2024 establishes uniform requirements for the monitoring of changes in attenuation, thereby assisting in the inspection of fibres and cables for commercial purposes. This document gives two methods for monitoring the changes in attenuation of optical fibres and cables that occur during mechanical or environmental testing, or both. It provides a monitor in the change of attenuation characteristics arising from optical discontinuity, physical defects and modifications of the attenuation slope: - method A: change in attenuation by transmitted power; - method B: change in attenuation by backscattering. Methods A and B apply to the monitoring of all categories of the following fibres: - class A: multimode fibres; - class B: single-mode fibres; - class C: single-mode intraconnection fibres. Information common to both measurements is contained in Clause 1 to Clause 10, and information pertaining to each individual method appears in Annex A, and Annex B respectively. L’IEC 60793-1-46:2024 etablit des exigences uniformes pour le controle des variations de l’affaiblissement, contribuant ainsi au controle des fibres et cables dans le cadre des relations commerciales. Le present document decrit deux methodes pour controler les variations de l’affaiblissement des fibres optiques et des cables qui se produisent au cours des essais mecaniques et d’environnement, ou des deux. Il fournit un moyen de controle de la variation des caracteristiques d’affaiblissement qui proviennent de la discontinuite optique, de defauts physiques et de modifications de la pente d’affaiblissement: - Methode A: variation de l’affaiblissement en puissance transmise; - Methode B : variation de l’affaiblissement en retrodiffusion. Les methodes A et B s’appliquent au controle de toutes les categories de fibres suivantes: - Classe A: fibres multimodales; - Classe B: fibres unimodales; - Classe C: fibres d’intraconnexion unimodales. Les informations communes aux deux mesures sont contenues dans les Articles 1 a 10 et les informations relatives a chacune des methodes se trouvent respectivement dans les Annexe A et Annexe B.
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