IEC 60793-1-47:2009 ED3

Optical fibres - Part 1-47: Measurement methods and test procedures - Macrobending loss

Publication date:   Mar 5, 2009

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99.60 Withdrawal effective   Oct 11, 2017

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IEC

TC 86/SC 86A

International Standard

33.180.10   Fibres and cables

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Scope

IEC 60793-1-47:2009 establishes uniform requirements for measuring the macrobending loss of single-mode fibres (category B) at 1 550 nm or 1 625 nm, category A1 multimode fibres at 850 nm or 1 300 nm, and category A3 and A4 multimode fibres at 650 nm, 850 nm or 1 300 nm, thereby assisting in the inspection of fibres and cables for commercial purposes. The standard gives two methods for measuring macrobending sensitivity:
- Method A: Fibre winding, pertains to category B single-mode fibres and category A1 multimode fibres;
- Method B: Quarter circle bends, pertains to category A3 and A4 multimode fibres. For both of these methods, the optical power is measured using either the power monitoring or the cut-back technique. This third edition cancels and replaces the second edition published in 2006. It constitutes a technical revision. The main change is: Introduction of the Annex A describing small bend radius phenomena.
Keywords: inspection of fibres and cables for commercial purposes

This publication is to be read in conjunction with IE
C 60793-1-1:2008.

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IEC 60793-1-47:2017 ED4