Name: IEC 60793-2-10 Ed. 7.1 b PDF - Engineering Standards Download
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IEC 60793-2-10 Ed. 7.1 b – Optical fibres – Part 2-10: Product specifications – Sectional specification for category A1 multimode fibres CONSOLIDATED VERSION

This part of IEC 60793 is applicable to optical fibre sub-categories A1-OM1, A1-OM2, A1-OM3, A1-OM4, A1-OM5, and A1d. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables.

Sub-categories A1-OM2, A1-OM3, A1-OM4 and A1-OM5 apply to 50/125 m graded index fibre in four bandwidth grades. Each of these bandwidth grades is defined for two levels of
macrobend loss performance that are distinguished by a or b suffix. Those sub-categories with suffix a are specified to meet traditional macrobend loss performance levels. Those subcategories with suffix b are specified to meet enhanced macrobend loss (i.e. lower loss)
performance levels.

Sub-category A1-OM5 is specified to support single wavelength or multi-wavelength transmission systems in the vicinity of 850 nm to 950 nm. Although not normatively specified, bandwidth information covering this wavelength range is also included for A1-OM3 and A1-OM4.
Sub-category A1-OM1 applies to 62,5/125 m graded index fibre and sub-category A1d applies to 100/140 m graded index fibre.

Other applications include, but are not restricted to, the following: short reach, high bit-rate systems in telephony, distribution and local networks carrying data, voice and/or video services; on-premises intra-building and inter-building fibre installations including data centres, local area networks (LANs), storage area networks (SANs), private branch exchanges (PBXs), video, various multiplexing uses, outside telephone cable plant use, and miscellaneous related uses.