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BS EN 60793-2-50-2008
Optical fibres. Product specifications. Sectional specification for class B single-mode fibres
适用范围：This part of IEC 60793 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 isshown in Annex I. These fibres are used or can be incorporated in information transmissionequipment and optical fibre cables.Three types of requirements apply to these fibres:• general requirements, as defined in IEC 60793-2;• specific requirements common to the class B single-mode fibres covered in this standardand which are given in Clause 3;• particular requirements applicable to individual fibre types or specific applications, whichare defined in Annexes A to G.• For some family specifications, there are sub-categories that are distinguished on thebasis of difference in transmission attribute specifications. The designations for these subcategoriesare documented in the individual family specifications.
实施日期： 2009-01-31
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