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IEC 61753-111-09:2021
Fibre optic interconnecting devices and passive components - Performance standard - Part 111-09: Sealed closures - Category S - Subterranean
Dispositifs d'interconnexion et composants passifs fibroniques - Norme de performance - Partie 111-09: Boîtiers étanches pour la catégorie S - Souterrains
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Standard number: | IEC 61753-111-09:2021 |
Released: | 2021-09-14 |
Edition: | 1 |
ICS: | 33.180.20 |
Pages (English/French - Bilingual): | 59 |
ISBN (English/French - Bilingual): | 9782832251164 |
DESCRIPTION
IEC 61753-111-09:2021
IEC 61753-111-09:2021 contains the minimum tests, test severities and measurement requirements which a sealed fibre optic closure need to meet in order to be categorised as meeting the IEC standard for category S – Subterannean, as defined in Table A.15 of IEC 61753‑1:2018. This first edition cancels and replaces IEC 61753-111-9 published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 61753‑111‑9:
- terms and definitions updated according to IEC 61753-1:2018 and IEC 61756-1:2019;
- detailed test severities added for UV light and fungus resistance tests of materials;
- test severities updated according to IEC 61753-1:2018;
- laboratory test conditions harmonized with IEC 61300-1 to +23 °C ± 5 °C, unless otherwise specified;
- addition of B-657 fibre types with minimum bending radius of stored fibres according to IEC 61756-1:2019;
- vibration sealing test changed to 10 Hz, 3 mm amplitude and 1 000 000 cycles;
- reduced loads added in cable retention test for small diameter cables and tubes;
- reduced loads for cable axial compression test for small diameter cables and tubes;
- duration of the cycles in torsion and bending test added;
- free fall test removed (is covered now by the optical shock test);
- assembly and disassembly test duration reduced to 5 cycles
- resistance to solvents and contaminating fluids: changed duration of immersion in diesel to 1 h and 24 h drying time and removed immersion in kerosene;
- duration of the change of temperature reduced to 12 cycles.