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CEI EN 60793-2-20

CEI Classification: 86-249

Fibre ottiche
Parte 2-20: Specifiche di prodotto - Specifica settoriale per le fibre multimodali di categoria A2
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Publication Date: 2016-10
ValidFrom: 2016-11
Language: EN
Pages: 26
Issue Num.:  15123 E
Commitee: CEI-SC86A, CEI-CT86
La presente Norma contiene le specifiche settoriali delle fibre ottiche di categoria A2a, A2b e A2c che possono essere usate, o possono essere La presente Norma contiene le specifiche settoriali delle fibre ottiche di categoria A2a, A2b e A2c che possono essere usate, o possono essere incorporate, in apparati di trasmissione dell'informazione e cavi per fibre ottiche della lunghezza tipica inferiore ai 2 km. In particolare le prescrizioni delle fibre ottiche oggetto della Norma fanno riferimento alle caratteristiche generali descritte all'interno della Norma
CEI EN 60793-2 e ai requisiti comuni per la categoria A2 descritti nell'art. 3 della Norma stessa, evidenziando negli Allegati i requisiti particolari delle fibre o delle applicazioni che le utilizzano.
La presente edizione annulla e sostituisce la precedente di cui costituisce una revisione tecnica. I principali cambiamenti riguardano l'aggiunta di nuovi tipi di prova sulle fibre di tipo A2.
La Norma in oggetto sostituisce completamente la Norma CEI EN 60793-2-20:2009-06, che rimane applicabile fino al 24-12-2018.
Questa Norma viene pubblicata dal CEI nella sola lingua inglese in quanto particolarmente mirata a settori specialistici.
La presente Norma recepisce il testo originale inglese della Pubblicazione IEC.

Relations

Replaces: CEI EN 60793-2-20

See also

IEC 60793-2-20:2015
EN 60793-2-20:2016

International Coding Standard (ICS)

33.180.10
Fibres and cables

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ICS

International Classification for Standards (ICS) is an international classification system for technical standards.

The ICS is a hierarchical classification organized on three levels.

Level 1 covers the main fields of activity in standardization, e.g. road vehicle engineering, agriculture, metallurgy.

Each field has a two-digit notation, e.g.

  43    Road Vehicle Engineering

The main fields are subdivided into groups (level 2). The notation of a group consists of the field notation and a three-digit group number, separated by a point, e.g.

  43.040    Road vehicle systems

Some groups are further divided into sub-groups (level 3). The notation of a sub-group consists of the group notation and a two-digit number, separated by a point, e.g.

  43.040.20 Lighting, signaling and warning devices

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