Part 1 measurement methods and test procedures, section 21 coating geometry. The individual measurement and test methods are contained in the different parts of the iec 60793 series. Attenuation is a measure of the decreasing optical power in a. Free download iec 60793144 pdf standard optical fibres part 1 44 measurement methods and test procedures cutoff wavelength. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Legally binding document step out from the old to the new. Part 1 measurement methods and test procedures, section 20 fibre geometry is iec 60793 121. Measurement methods and test procedures fibre geometry.
The test can be performed either on fibres as produced or after exposure to various environments. Iec 60774 vhssvhs video tape cassette system iec 60793 optical fibres iec 60779 test methods for electroslag remelting furnaces iec 60801 emi and rfi immunity iec 60805 guide for commissioning, operation and maintenance of storage pumps and of pumpturbines operating as pumps iec. The test method is commonly used in production and research facilities, but is not easily accomplished in the field. Measurement methods and test procedures general and guidance iec 60793121 optical fibres. Product specifications iec 60794310 outdoor cables family specification for duct and directly buried optical telecommunication cable itut g. Measurement methods and test procedures coating geometry iec 60793122 optical fibres. Measurement methods and test procedures cutoff wavelength iec 60793250, optical fibres part 250. Table 1 shows the cross reference between the iec a1 multimode optical fibre designations used in this document compared to those used in iec 60793210.
The redline version is not an official document, it is available in english only and provides you with a quick and easy way to compare all the changes between the official iec standard and its previous edition. Measurement methods and test procedures, section 48. List of international electrotechnical commission standards. This document describes a method for characterizing the modal structure of a. A map illustrating the connection of iec designations to itut designations is shown in table 1. Bs en 60793 250 equivalent to iec 60793 250 specifies classes of singlemode optical fibres.
International standard iec 60193 has been prepared by iec technical committee 4. Iec 61850 is the international standard for communication in substations. Measurement methods and test procedures, section 46. The table also refers to the normative annexes a, b and c for the a1 subcategory multimode fibres in. This part of iec 60793 contains the general specifications for both multimode and singlemode optical fibres. Iec 6079411 updated document centers standards forum. Sectional specifications for each of the four categories of multimode fibres. This part of iec 60793 is applicable to optical fibre categories. This part of iec 60793 establishes uniform requirements for measuring the attenuation of optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes. Gost r iec 60793152 cheap online standard pdf, immediately download. The length of an optical fibre is one of the most fundamental values and shall be known for the evaluation of transmission characteristics such as losses and bandwidths. Monitoring of changes in optical transmission number of amendments. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables.
Iec 61850 standard interoperability for advanced protection and control applications. Jan 14, 2020 iec 60793 download our prices are in swiss francs chf. Bs en 60793250 equivalent to iec 60793250 specifies classes of singlemode optical fibres. Free free regsitration required in optical fibers, the change from multimode to single mode idc does not occur at an isolated wavelength but rather smoothly over a.
Free download iec 60793 1 44 pdf standard from public. Table 1 shows the cross reference between the iec a1 multimode optical fibre designations used in this document compared to those used in iec 60793 210. Is iec 60793 121 title of legally binding document. Measurement methods and test procedures cutoff wavelength from the public iec standard. Generic specifications iec 60793 2 optical fiber part 2.
This document describes a method for characterizing the modal structure of a gradedindex multimode fibre. This part of iec 60793 is applicable to optical fibre subcategories a1a, a1b, and a1d. It applies to the optical fiber cables that are used with communication equipment and other similar products, as well as to cables that have both optical fibers and electrical conductors. Free download iec 60793 144 pdf standard optical fibres part 1 44 measurement methods and test procedures cutoff wavelength. The price of the standard included all amendments and correcturs. Table 1 shows a map from the iec designations to the itut recommendations. Measurement methods and test procedures mode field diameter. This does not preclude the free use, in course of implementing the. This is an incomplete list of standards published by the international electrotechnical commission iec the numbers of older iec standards were converted in 1997 by adding 60000. Measurement methods and test procedures, section 50.
Product specifications sectional specification for category a1 multimode fibres original english text of csn en standard. The table also provides the normative annex in this document that contains the detailed specification as well as the name used to describe this fibre type in iec 60793250. Generic specifications iec 607932 optical fiber part 2. Dnvglcp0402 optical fibre cables rules and standards. The numerical aperture na of categories a1, a2, a3 and a4 multimode fibre is an important parameter that describes a fibres lightgathering ability. Product specifications sectional specification for category a1 multimode fibres foreword 1 the international electrotechnical commission iec is a worldwide organization for standardization comprising. Subcategory a1a applies to 50125 mm graded index fibre. Iec standards often have multiple subpart documents. Part 1 measurement methods and test procedures, section 20 fibre geometry isiec 60793121. Generic specification measuring methods for mechanical characteristics. Product specifications sectional specification for class b singlemode fibres iec 607943, optical fibre cables part 3. Iec 61850 standard documents and downloads schneider. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. This part of iec 60793 is applicable to optical fibre categories b652, b653, b654, b655, b656 and b657.
Find the most uptodate version of iec 60793144 at engineering360. Legally binding document step out from the old to the newjawaharlal nehru. The numbers of older iec standards were converted in 1997 by adding 60000. Keep up to date with new publication releases and announcements with our free iec just published email. This part of iec establishes uniform requirements for measuring the length and attenuation of optical fiber, thereby. This second edition of iec 60193 cancels and replaces the first edition of iec 60193 published in 1965, its amendment 1 1977, iec 60193a 1972, as well as iec 60497 1976 and iec 60995 1991. A1, a2, a3, and a4 part of the multimode fibre class a contain requirements specific to each category.
The iec 60794 series addresses optical fiber cables and the iec 6079411 is the overview document. Measurement methods and test procedures, section 20 fibre geometry number of amendments. This is an incomplete list of standards published by the international electrotechnical commission iec. A map illustrating the connection of iec designations to itut designations is shown in annex i. Free download iec 60793 1 44 pdf standard from public digital. Iec 60793144 optical fibres measurement methods and test procedures cutoff wavelength. The difference between the international and european standards is found in the optical fibres used to build os1 cabled optical fibre. The electronic pdf version of this document, available free of charge. Measurement methods and test procedures length measurement. Measurements methods and test procedures, section 21. Measurement methods and test procedures, section 45. Iec 60774 vhssvhs video tape cassette system iec 60793 optical fibres iec 60779 test methods for electroslag remelting furnaces.
It enables integration of all protection, control, measurement and monitoring functions and additionally provides the means for highspeed substation protection applications. Four methods are described for measuring attenuation, one being that for modelling spectral attenuation. Sectional specification outdoor cables iec 6128044, fibre optic communication subsystem test procedures part 44. They are identified as iec 607931x, where x is an assigned subpart number, indicating its affiliation to the iec 607931 series. Measurement methods and test procedures general and.
Iec 603321 flame retardance iec 60332322 or 24 fire retardance iec 60811404 electrical and optical fibre cables test methods for materials test in oil nek 606. All bsi british standards available online in electronic and print formats. Iec 60793 download our prices are in swiss francs chf. Part 1 measurement methods and test procedures, section 1 general and guidance isiec 60793120. This part of iec 60793 cross referenced to iec60793150, establishes uniform requirements for measuring the increase in attenuation of optical fiber when exposed to hydrogen rich environments, thereby assisting in the certification of fibers and cables for commercial purposes.