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IEC 61753-031-6-ed.2.0
Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category O - Uncontrolled environment
STANDARD published on 3.9.2014
The information about the standard:
Designation standards: IEC 61753-031-6-ed.2.0
Publication date standards: 3.9.2014
SKU: NS-413596
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 61753-031-6-ed.2.0 :
IEC 61753-031-6:2014 contains the minimum initial tests and measurement requirements and severities which a non-wavelength selective branching device (NWBD) should satisfy in order to be categorized as meeting the requirements of this standard. The requirements cover balanced bidirectional non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for use in an IEC category O environment (N is the number of branching ports), especially but not exclusively used for PON application. For balanced NWBD, two attenuation and uniformity performance classes are considered: - class A (premium class) which meets more restrictive requirements (i.e. for extended reach PON application) and - class B (standard class) for standard application (i.e. normal reach PON application). The requirements also cover unbalanced bidirectional non-connectorized single-mode non-wavelength-selective branching devices, however the specifications of unbalanced branching devices are limited to 1x2 and 2x2 devices because they are the most commonly used. This second edition of IEC 61753-031-6 cancels and replaces the first edition published in 2008 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - deletion of the Introduction; - an updated and extended scope to reflect an introduction of two attenuation and uniformity performance classes for balanced NWBD instead of branching device technologies on the market; - an updated list of normative references; - a more simplified introduction to the two types of spectral bands; - Clause 5, Performance requirements, has been updated and extended to reflect the introduction of two attenuation and uniformity performance classes for balanced NWBD; - simplified test items to exclude tests for damp heat (steady state) and impact for performance requirements; - Annex A has been changed to introduce the calculated and minimum requirements for attenuation and uniformity. Keywords: non-wavelength selective branching device (NWBD), IEC category O environment IEC 61753-031-6:2014 contient les exigences et les severites initiales minimales d’essais et de mesures auxquelles il convient qu’un dispositif de couplage independant de la longueur d’onde (NWBD, non-wavelength selective branching device) satisfasse afin d’etre classe comme satisfaisant aux exigences de la presente norme. Ces exigences couvrent les dispositifs de couplage independants de la longueur d’onde 1xN et 2xN en unimodal, non connectorises, bidirectionnels symetriques destines a etre utilises dans un environnement de categorie O selon l’IEC (N correspond au nombre de ports de couplage), qui sont utilises, en particulier, mais pas de maniere exclusive, pour les applications PON. Dans le cas des NWBD symetriques, deux classes d’affaiblissement et d’uniformite sont prises en compte: la classe A (classe de premiere qualite) qui satisfait aux exigences les plus restrictives (a savoir pour les applications PON etendues) et la classe B (classe normale) pour les applications normales (a savoir les applications PON d’etendue normale). Ces exigences couvrent aussi les dispositifs de couplage independants de la longueur d’onde en unimodal, non connectorises, bidirectionnels asymetriques, toutefois les specifications des dispositifs de couplage asymetriques sont limitees aux dispositifs 1x2 et 2x2, car ce sont les plus couramment utilises. Cette deuxieme edition de l’IEC 61753-031-6 annule et remplace la premiere edition parue en 2008 et constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a l’edition precedente: - la suppression de l’Introduction; - un domaine d’application mis a jour et etendu pour refleter l’introduction de deux classes de performance d’affaiblissement et d’uniformite pour les NWBD symetriques a la place des technologies de dispositifs de couplage du marche; - une liste mise a jour des references normatives; - une introduction plus simple des deux types de bandes spectrales; - l’Article 5, Exigences de performances, a ete mis a jour et etendu pour refleter l’introduction de deux classes de performance d’affaiblissement et d’uniformite pour les NWBD symetriques; - des elements soumis a essai simplifies pour exclure les essais de chaleur humide (essai continu) et d’impact pour les exigences de performance; - l’Annexe A a ete modifiee pour introduire les exigences calculees et minimales en matiere d’affaiblissement et d’uniformite. Mots cles: couplage independant de la longueur d’onde (NWBD), environnement de categorie O selon l’IEC
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