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IEC 60793-2-50 Ed. 3.0 b:2008
M00025417
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IEC 60793-2-50 Ed. 3.0 b:2008 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
standard by International Electrotechnical Commission, 05/27/2008
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IEC 60793-2-50:2008 is applicable to optical fibre types B1.1, B1.2, B1.3, and categories B2, B4, B5 and B6. A map illustrating the connection of IEC designations to ITU-T designations is shown in Annex I. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables. The main technical changes of this edition include:- aligns the requirements with the relevant ITU-T Recommendations, including tightening the tolerances of many parameters;
- adds a new category, B5, which corresponds to the fibres defined in ITU-T Recommendation G.656; and
- adds a new category, B6, which corresponds to the fibres defined in ITU-T Recommendation G.657.