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  • BSI
    BS EN IEC 63267-3-61:2025 - TC Tracked Changes. Fibre optic interconnecting devices and passive components. Fibre optic connector optical interfaces for enhanced macrobend multimode fibres - Connector parameters of physically contacting 50 μm core diameter fibres. Non-angled 2,5 mm and 1,25 mm diameter cylindrical full zirconia ferrules for reference connection applications
    Edition: 2025
    $472.28
    / user per year

Description of BS EN IEC 63267-3-61:2025 - TC 2025

IEC 63267-3-61: 2025 defines the dimensional limits of an optical interface for reference connectors with 2,5 mm or 1,25 mm diameter cylindrical zirconia (ZrO2) ferrules necessary to meet specific requirements for fibre-to-fibre interconnection of non-angled polished multimode reference connections as defined in IEC 63267-2-2. Ferrule dimensions and features are contained in the IEC 61754 series of fibre optic connector interface standards. One grade of reference connector, Rm1, is defined in this document. The reference connector is terminated to restricted IEC 60793-2-10 using A1-OM2b to A1‑OM5b fibre in 850 nm band only. The geometrical dimensions and tolerances of the specified reference connector have been developed primarily to limit the variation in measured attenuation between multiple sets of reference connectors, and therefore to reduce the variation in measured attenuation between an arbitrarily chosen reference connector when mated with a connector in the field or factory. This first edition and the first edition of IEC 63267-2-2 cancel and replace the first edition of IEC 61755-6-2 published in 2018. This edition constitutes a technical revision. The document includes the following significant technical changes with respect to the previous edition: a) Definition of a reference grade, Rm1 interface; b) Inclusion of A1-OM2b to A1-OM5b fibres; c) Updates to normative references; d) The addition of Annex A, which describes the attenuation test limits of reference grade Rm1 connectors to grade Bm connectors; e) A new Annex B that describes the allowable fibre undercut.

Standard NumberBS EN IEC 63267-3-61:2025 - TC
TitleTracked Changes. Fibre optic interconnecting devices and passive components. Fibre optic connector optical interfaces for enhanced macrobend multimode fibres - Connector parameters of physically contacting 50 μm core diameter fibres. Non-angled 2,5 mm and 1,25 mm diameter cylindrical full zirconia ferrules for reference connection applications
StatusDefinitive
Publication Date2025-09-08
DescriptorsFerrules, Optical properties of materials, Fibre optic connectors, Dimensions, Interfaces, Geometry, Fibre optics
ICS33.180.20 Fibre optic interconnecting devices
CommitteeGEL/86/2
ISBN978 0 539 38814 5
PublisherBSI
Pages47



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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