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BS EN IEC 60794-2-50:2020

BS EN IEC 60794-2-50:2020

$142.49

Optical fibre cables – Indoor cables. Family specification for simplex and duplex cables for use in terminated cable assemblies

Published By Publication Date Number of Pages
BSI 2020 28
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IEC 60794-2-50: 2020 specifies requirements for simplex and duplex optical fibre cables for use in terminated cable assemblies or for termination with optical fibre passive components. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

  1. update of the normative references;
  2. review and update of parameters and requirements for mechanical tests and environmental tests;
  3. Annex B has been removed and test method for sheath pull-off force evaluation refers to IEC 60794-1-21, method E21;
  4. Annex C has been removed and test method for sheath shrinkage evaluation refers to IEC 60794-1-22, method F11;
  5. Annex D has been removed and test method for buffered fibre movement under compression refers to IEC 60794-1-21, method E22;
  6. Annex E has been removed and test method for temperature cycling evaluation refers to IEC 60794-1-22, method F12;
  7. fibre type designations have been updated and the new wideband MM fibre is included as an option.

Keywords: requirements for simplex and duplex optical fibre cables

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
12 3 Terms and definitions
4 Construction
4.1 General
4.2 Optical fibres and primary coating
4.3 Buffer
13 4.4 Tube
4.5 Strength and anti-buckling members
4.6 Sheath
4.7 Sheath marking
4.8 Examples of cable constructions
Tables
Table 1 ā€“ Dimensions of buffered fibres
14 5 Tests
5.1 General
5.2 Dimensions
5.3 Mechanical requirements
5.3.1 Tensile performance
15 5.3.2 Crush
5.3.3 Impact
16 5.3.4 Repeated bending
5.3.5 Bend
5.3.6 Torsion
17 5.3.7 Bend at low temperature
5.3.8 Kink
5.3.9 Sheath pull-off force
18 5.3.10 Abrasion resistance of cable marking
5.3.11 Buffered fibre movement under compression
5.4 Environmental requirements
5.4.1 Temperature cycling
19 5.4.2 Shrinkage (informative)
5.5 Transmission requirements
5.6 Fire performance
Table 2 ā€“ Temperature cycling ranges according to the application environment
20 Annex A (informative) Examples of types of cable constructions
Figures
Figure A.1 ā€“ Simplex loose non-buffered fibre cable
Figure A.2 ā€“ Simplex fibre cable
21 Figure A.3 ā€“ Duplex loose non-buffered fibre cable
Figure A.4 ā€“ Duplex fibre cable
Figure A.5 ā€“ Duplex fibre zip cord
22 Figure A.6 ā€“ Duplex flat cable
Figure A.7 ā€“ Duplex round cable (breakout cable)
23 Annex B (informative) Guidance on the selection of tests applicable to optical fibre cables for use in patchcords
Table B.1 ā€“ Cable test method summary
25 Table B.2 ā€“ Blank detail specification for cable testing agreement
26 Bibliography

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BS EN IEC 60794-2-50:2020
$142.49