BS EN IEC 60794-1-111:2023
$142.49
Optical fibre cables – Generic specification. Basic optical cable test procedures. Mechanical tests methods. Bend, method E11
Published By | Publication Date | Number of Pages |
BSI | 2023 | 24 |
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
5 | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications |
6 | English CONTENTS |
7 | FOREWORD |
9 | INTRODUCTION |
10 | 1 Scope 2 Normative references 3 Terms and definitions 4 General 4.1 Sample |
11 | 4.2 Apparatus 4.3 Test methods 4.4 Test conditions 5 Method E11A – Bend as helix 5.1 General |
12 | 5.2 Single-helix configuration Figures Figure 1 – Bend test set-up for method E11A: single-helix configuration |
13 | 5.3 Two-helix configuration Figure 2 – Bend test set-up for method E11A: two-helix configuration |
14 | 5.4 Procedure 6 Method E11B – U bend |
15 | 7 Requirements 8 Details to be specified Figure 3 – Bend test set-up for method E11B |
16 | 9 Details to be reported |
17 | Annex A (informative)Example of a special mandrel for two-helix configuration Figure A.1 – Example of a special mandrel |
18 | Annex B (informative)Rationale for the options of an equal or larger turnaround loopdiameter for the two-helix configuration of method E11A Figure B.1 – Options for turnaround loop size for two-helixconfiguration of method E11A |
19 | Tables Table B.1 – Used change in attenuation values Table B.2 – Calculated changes in attenuation of single-mode cable |
20 | Table B.3 – Calculated changes in attenuation of multimode cable |
21 | Figure B.2 – Difference of change in attenuation for single-mode cable Figure B.3 – Difference of change in attenuation for multimode cable |
22 | Figure B.4 – Worst case difference of change in attenuation |
23 | Bibliography |