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Standard

NEK IEC 60793-1-47:2009

Withdrawn

Note: This standard has a new edition: NEK IEC 60793-1-47:2017

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Abstract

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.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 3.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 33.180.10
  • National Committee NEK/NK86

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