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BS EN 50411-3-1:2025 Fibre management systems and protective housings to be used in optical fibre communication systems. Product specifications - Wall or pole mounted box for splices, for category C and A >
BS EN 50411-3-1:2025 Fibre management systems and protective housings to be used in optical fibre communication systems. Product specifications - Wall or pole mounted box for splices, for category C and A, 2025
- undefined
- European foreword
- 1 Scope [Go to Page]
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 Description [Go to Page]
- Figure 1 — Fibre management configurations in a track box [Go to Page]
- 6 Variants
- Table 1 — Optical fibre splice box, for category C and A - variants
- Table 2 — Box size selection
- 7 Dimensional requirements
- Figure 2 — Dimensions of optical fibre splice boxes
- Table 3 — Optical fibre splice box dimensions
- 8 Tests [Go to Page]
- Figure 3 — Example configuration of track or spur box test sample [Go to Page]
- Figure 4 — Example configuration of distribution box test sample [Go to Page]
- 9 Test report
- 10 Performance requirements [Go to Page]
- Table 4 — Sealing, optical and appearance acceptance criteria [Go to Page]
- Table 5 — Mechanical sealing performance requirements [Go to Page]
- Table 6 — Environmental sealing performance requirements [Go to Page]
- Table 7 — Mechanical optical performance requirements [Go to Page]
- Table 8 — Environmental optical performance requirements [Go to Page]
- Table 9 — Material requirements
- Annex A (normative) Fibre details for the test samples
- Table A.1 — Fibre references for EN IEC 60793-2-50, sub-category B-652.D
- Table A.2 — Fibre references for EN IEC 60793-2-50, sub-category B-657.A1
- Annex B (normative) Sample size requirements
- Table B.1 — Minimum sample size requirements
- Annex C (informative) Families of FMS covered in this document
- Figure C.1 — Families of FMS covered in this document
- Annex D (informative) Dimensions of FMS for multiple element and multiple ribbon
- Figure D.1 — Outline dimensions of the M type FMS
- Table D.1 — M type FMS - Multiple element and multiple ribbon fibre
- Annex E (informative) Dimensions of S type FMS for Single Circuit, Single Element and Single Ribbon
- Figure E.1 — Outline dimensions of the S type FMS
- Table E.1 — Outline dimensions of S type FMS
- Table E.2 — Maximum capacity S type FMS - SC, SE and SR
- Bibliography [Go to Page]