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BS EN 60793-2-10:2017 Optical fibres - Product specifications. Sectional specification for category A1 multimode fibres, 2017
- undefined
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms, definitions
- 4 Abbreviated terms
- 5 Specifications [Go to Page]
- 5.1 General
- 5.2 Dimensional requirements
- Tables [Go to Page]
- Table 1 – Dimensional attributes and measurement methods
- 5.3 Mechanical requirements
- Table 2 – Dimensional requirements common to category A1 fibres
- Table 3 – Additional dimensional attributes required in sub-category specifications
- Table 4 – Mechanical attributes and measurement methods
- 5.4 Transmission requirements
- Table 5 – Mechanical requirements common to category A1 fibres
- Table 6 – Transmission attributes and measurement methods
- Table 7 – Additional transmission attributes required in sub-category specifications
- 5.5 Environmental requirements [Go to Page]
- 5.5.1 General
- Figures [Go to Page]
- Figure 1 – Relation between bandwidths at 850 nm and 1 300 nm
- Table 8 – Environmental exposure tests
- Table 9 – Attributes measured for environmental tests [Go to Page]
- 5.5.2 Mechanical environmental requirements (common to all fibres in category A1)
- 5.5.3 Transmission environmental requirements
- Table 10 – Strip force for environmental tests
- Table 11 – Tensile strength for environmental tests
- Table 12 – Stress corrosion susceptibility for environmental tests
- Table 13 – Change in attenuation for environmental tests
- Annex A (normative)Specifications for sub-category A1a multimode fibres [Go to Page]
- A.1 General
- A.2 Dimensional requirements
- Table A.1 – Dimensional requirements specific to A1a fibres
- A.3 Mechanical requirements
- A.4 Transmission requirements
- Table A.2 – Mechanical requirements specific to A1a fibres
- A.5 Environmental requirements
- Table A.3 – Transmission requirements specific to A1a fibres
- Annex B (normative)Specifications for sub-category A1b multimode fibres [Go to Page]
- B.1 General
- B.2 Dimensional requirements
- B.3 Mechanical requirements
- B.4 Transmission requirements
- Table B.1 – Dimensional requirements specific to A1b fibres
- Table B.2 – Mechanical requirements specific to A1b fibres
- B.5 Environmental requirements
- Table B.3 – Transmission requirements specific to A1b fibres
- Annex C (normative)Specifications for sub-category A1d multimode fibres [Go to Page]
- C.1 General
- C.2 Dimensional requirements
- C.3 Mechanical requirements
- C.4 Transmission requirements
- Table C.1 – Dimensional requirements specific to A1d fibres
- Table C.2 – Mechanical requirements specific to A1d fibres
- C.5 Environmental requirements
- Table C.3 – Transmission requirements specific to A1d fibres
- Annex D (normative)Fibre differential mode delay (DMD), calculatedeffective modal bandwidth (EMBc) and calculated overfilled modal bandwidth (OMBc) requirements [Go to Page]
- D.1 A1a.2 fibre DMD requirements [Go to Page]
- D.1.1 General
- D.1.2 DMD templates
- Table D.1 – DMD templates for A1a.2 fibres [Go to Page]
- D.1.3 DMD interval masks
- Figure D.1 – DMD template requirements
- D.2 A1a.2 fibre EMBc requirements [Go to Page]
- D.2.1 General
- D.2.2 Calculated effective bandwidth
- Table D.2 – DMD interval masks for A1a.2 fibres
- Table D.3 – DMD weightings
- D.3 A1a.3 DMD requirements [Go to Page]
- D.3.1 General
- D.3.2 DMD templates
- D.3.3 DMD interval masks
- D.4 A1a.3 fibre EMBc requirements [Go to Page]
- D.4.1 General
- D.4.2 Calculated effective bandwidth
- D.5 A1a.4 fibre modal bandwidth requirements [Go to Page]
- D.5.1 General
- D.5.2 Calculated effective modal bandwidth
- Table D.4 – DMD templates for A1a.3 fibres
- Table D.5 – DMD interval masks for A1a.3 fibres [Go to Page]
- D.5.3 Calculated overfilled modal bandwidth
- Table D.6 – DMD weighting for OMBc
- Annex E (informative)System, modal bandwidth, and transmitter considerations [Go to Page]
- E.1 Background
- E.2 System considerations [Go to Page]
- E.2.1 A1a.2 and A1a.3 fibres
- E.2.2 A1a.4 fibre
- E.3 Effective modal bandwidth (EMB)
- E.4 Transmitter encircled flux (EF) and centre wavelength requirements [Go to Page]
- E.4.1 Encircled flux
- Figure E.1 – Estimated minimum wide band EMB versus wavelength [Go to Page]
- E.4.2 Centre wavelength for A1a.2 and A1a.3 fibres
- E.4.3 Centre wavelength for A1a.4 fibre
- Figure E.2 – Approximate position of DMD weightings relative to the EF boundaries of Equations (E.6) and (E.7)
- Annex F (informative)Bandwidth nomenclature explanation [Go to Page]
- Table F.1 – Bandwidth nomenclature explanation
- Annex G (informative)Preliminary indications for items needing further study [Go to Page]
- G.1 Effective modal bandwidth (EMB) at 1 300 nm
- G.2 Scaling of EMB with DMD
- Annex H (informative)Applications and cabling categories supported by A1 fibres [Go to Page]
- H.1 Standardised applications
- H.2 Cross reference of cabled optical fibre performance categories in ISO/IEC 11801-1 to fibres of this document
- Table H.1 – Some standardised applications supported byA1a fibres and in some cases A1b fibres
- Table H.2 – Cross reference between ISO/IEC 11801-1 and this document
- Annex I (informative)1-Gigabit, 10-Gigabit, 25-Gigabit, 40-Gigabit and 100-Gigabit Ethernet applications [Go to Page]
- Table I.1 – Summary of 1 Gb/s, 10 Gb/s, 25 Gb/s, 40 Gb/s and 100 Gb/s Ethernet requirements and capabilities
- Bibliography [Go to Page]
