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BS EN IEC 60793-2-40:2021

BS EN IEC 60793-2-40:2021

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Optical fibres – Product specifications. Sectional specification for category A4 multimode fibres

Published By Publication Date Number of Pages
BSI 2021 40
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IEC 60793-2-40:2021 is available as IEC 60793-2-40:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60793-2-40:2021 is applicable to category A4 optical multimode fibres and the related subcategories A4a, A4b, A4c, A4d, A4e, A4g, A4h and A4i. These fibres have a plastic core and plastic cladding and may have step-index, multi-step index or graded-index profiles. The fibres are used in information transmission equipment and other applications employing similar light transmitting techniques, and in fibre optic cables. Table 1 summarizes some of the salient characteristics and applications of these fibres. This fifth edition cancels and replaces the fourth edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – revision of NA range of A4a.2; – addition of a new subcategory A4i; – deletion of the subcategory A4f and of Annex F.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
10 FOREWORD
12 1 Scope
Tables
Table 1 ā€“ Characteristics and applications of category A4 fibres
13 2 Normative references
3 Terms and definitions
14 4 Specifications
4.1 Dimensional requirements
Table 2 ā€“ Dimensional attributes and measurement methods
Table 3 ā€“ Requirements common to all category A4 fibres
Table 4 ā€“ Additional attributes required in A4g through A4i family specifications
15 4.2 Mechanical requirements
4.2.1 General
4.2.2 Tensile load test
Table 5 ā€“ Mechanical attributes and test methods
Table 6 ā€“ Requirements common to category A4 fibres
Table 7 ā€“ Additional attributes required in family specification for subcategory A4g through A4i fibres
16 4.3 Transmission requirements
Figures
Figure 1 ā€“ Tensile load versus elongation for a plastic optical fibre
17 4.4 Environmental requirements
4.4.1 General
Table 8 ā€“ Transmission attributes and measurement methods
Table 9 ā€“ Attributes required in family specifications
18 4.4.2 Mechanical environmental requirements
4.4.3 Transmission environmental requirements
Table 10 ā€“ Environmental exposure tests
Table 11 ā€“ Attributes measured
Table 12 ā€“ Requirement for tensile strength
19 Table 13 ā€“ Requirement for change in attenuation for A4a through A4e fibre
Table 14 ā€“ Requirement for change in attenuation for A4g through A4i fibre
20 Annexes
Annex A (normative) Family specifications for subcategory A4a multimode fibres
A.1 General
A.2 Dimensional requirements
A.3 Mechanical requirements
A.4 Transmission requirements
Table A.1 ā€“ Dimensional requirements specific to A4a fibres
Table A.2 ā€“ Mechanical requirements specific to A4a fibres
21 A.5 Environmental requirements
Table A.3 ā€“ Transmission requirements specific to A4a fibres
22 Annex B (normative) Family specifications for subcategory A4b multimode fibres
B.1 General
B.2 Dimensional requirements
B.3 Mechanical requirements
B.4 Transmission requirements
Table B.1 ā€“ Dimensional requirements specific to A4b fibres
Table B.2 ā€“ Mechanical requirements specific to A4b fibres
23 B.5 Environmental requirements
Table B.3 ā€“ Transmission requirements specific to A4b fibres
24 Annex C (normative) Family specifications for subcategory A4c multimode fibres
C.1 General
C.2 Dimensional requirements
C.3 Mechanical requirements
C.4 Transmission requirements
Table C.1 ā€“ Dimensional requirements specific to A4c fibres
Table C.2 ā€“ Mechanical requirements specific to A4c fibres
25 C.5 Environmental requirements
Table C.3 ā€“ Transmission requirements specific to A4c fibres
26 Annex D (normative) Family specifications for subcategory A4d multimode fibres
D.1 General
D.2 Dimensional requirements
D.3 Mechanical requirements
D.4 Transmission requirements
Table D.1 ā€“ Dimensional requirements specific to A4d fibres
Table D.2 ā€“ Mechanical requirements specific to A4d fibres
27 D.5 Environmental requirements
Table D.3 ā€“ Transmission requirements specific to A4d fibres
28 Annex E (normative) Family specifications for subcategory A4e multimode fibres
E.1 General
E.2 Dimensional requirements
E.3 Mechanical requirements
E.4 Transmission requirements
Table E.1 ā€“ Dimensional requirements specific to A4e fibres
Table E.2 ā€“ Mechanical requirements specific to A4e fibres
29 E.5 Environmental requirements
Table E.3 ā€“ Transmission requirements specific to A4e fibres
30 Annex F (normative) Family specifications for subcategory A4f multimode fibres
31 Annex G (normative) Family specifications for subcategory A4g multimode fibres
G.1 General
G.2 Dimensional requirements
G.3 Mechanical requirements
G.4 Transmission requirements
Table G.1 ā€“ Dimensional requirements specific to A4g fibres
Table G.2 ā€“ Mechanical requirements specific to A4g fibres
32 G.5 Environmental requirements
Table G.3 ā€“ Transmission requirements specific to A4g fibres
33 Annex H (normative) Family specifications for subcategory A4h multimode fibres
H.1 General
H.2 Dimensional requirements
H.3 Mechanical requirements
H.4 Transmission requirements
Table H.1 ā€“ Dimensional requirements specific to A4h fibres
Table H.2 ā€“ Mechanical requirements specific to A4h fibres
34 H.5 Environmental requirements
Table H.3 ā€“ Transmission requirements specific to A4h fibres
35 Annex I (normative)Family specifications for subcategory A4i multimode fibres
I.1 General
I.2 Dimensional requirements
I.3 Mechanical requirements
I.4 Transmission requirements
Table I.1 ā€“ Dimensional requirements specific to A4i fibres
Table I.2 ā€“ Mechanical requirements specific to A4i fibres
36 I.5 Environmental requirements
Table I.3 ā€“ Transmission requirements specific to A4i fibres
37 Annex J (normative) Mode scramblers for subcategory A4a to A4c fibres
J.1 General
J.2 Specification for mode scramblers
Figure J.1 ā€“ Mode scrambler for category A4 fibre
Table J.1 ā€“ Mode scrambler parameters
38 Annex K (informative) Additional transmission requirements for subcategory A4amultimode fibres for wavelengths below 650 nm
K.1 General
K.2 Transmission requirements
Table K.1 ā€“ Transmission requirements specific to A4a.2 fibre
39 Bibliography

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BS EN IEC 60793-2-40:2021
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