SIST EN 61753-111-8:2010
(Main)Fibre optic interconnecting devices and passive components - Performance standard - Part 111-8: Sealed closures for category G - Ground (IEC 61753-111-8:2009)
Fibre optic interconnecting devices and passive components - Performance standard - Part 111-8: Sealed closures for category G - Ground (IEC 61753-111-8:2009)
This part of IEC 61753 contains the minimum test and measurement requirements and severities which a sealed fibre optic closure must satisfy in order to be categorised as meeting the IEC standard for category G - ground, as defined in Annex A of IEC 61753-1. Free breathing closures are not covered in this standard.
Lichtwellenleiter - Verbindungselemente und passive Bauteile - Betriebsverhalten - Teil 111-8: Druckdichte Muffen für die Kategorie G - Bodenverlegung (IEC 61753-111-8:2009)
Dispositifs d'interconnexion et composants passifs à fibres optiques norme de qualité de fonctionnement - Partie 111-8: Boîtiers scellés pour catégorie G - Au niveau du sol (CEI 61753-111-8:2009)
La CEI 61753-111-8:2009 contient les sévérités et les exigences minimales d'essai et de mesure auxquelles un boîtier à fibres optiques scellé doit satisfaire afin d'être classé comme conforme aux exigences de la norme CEI pour la catégorie G - au niveau du sol, telle qu'elle est définie à l'Annexe A de la CEI 61753-1. Les boîtiers à ventilation libre ne sont pas couverts par la présente norme.
Optični spojni elementi in pasivne komponente - Izvedbeni standard - 111-8. del: Zatesnjene spojnice za kategorijo G (Ground) - Talna uporaba (IEC 61753-111-8:2009)
Ta del IEC 61753 vsebuje minimalne zahteve za preskus in merjenje ter natančnost, ki jih mora izpolnjevati zatesnjena optična spojnica, da zadošča standardu IEC za kategorijo G (Ground) – Talna uporaba, kot je opredeljeno v Dodatku A IEC 61753-1. Ta standard ne zajema spojnic z zračenjem.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lichtwellenleiter - Verbindungselemente und passive Bauteile - Betriebsverhalten - Teil 111-8: Druckdichte Muffen für die Kategorie G - Bodenverlegung (IEC 61753-111-8:2009)Dispositifs d'interconnexion et composants passifs à fibres optiques norme de qualité de fonctionnement - Partie 111-8: Boîtiers scellés pour catégorie G - Au niveau du sol (CEI 61753-111-8:2009)Fibre optic interconnecting devices and passive components - Performance standard - Part 111-8: Sealed closures for category G - Ground (IEC 61753-111-8:2009)33.180.20Fibre optic interconnecting devicesICS:Ta slovenski standard je istoveten z:EN 61753-111-8:201SIST EN 61753-111-8:2010en,fr01-april-2010SIST EN 61753-111-8:2010SLOVENSKI
STANDARD
SIST EN 61753-111-8:2010
EUROPEAN STANDARD EN 61753-111-8 NORME EUROPÉENNE
EUROPÄISCHE NORM February 2010
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2010 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61753-111-8:2010 E
ICS 33.180.20
English version
Fibre optic interconnecting devices and passive components
performance standard -
Part 111-8: Sealed closures for category G -
Ground (IEC 61753-111-8:2009)
Dispositifs d'interconnexion et composantspassifs à fibres optiques norme de qualité de fonctionnement -
Partie 111-8: Boîtiers scellés
pour catégorie G - Au niveau du sol (CEI 61753-111-8:2009)
Lichtwellenleiter -
Verbindungselemente und passive Bauteile -
Betriebsverhalten -
Teil 111-8: Druckdichte Muffen
für die Kategorie G - Bodenverlegung (IEC 61753-111-8:2009)
This European Standard was approved by CENELEC on 2010-02-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
SIST EN 61753-111-8:2010
EN 61753-111-8:2010
- 2 -
Foreword The text of document 86B/2905/FDIS, future edition 1 of IEC 61753-111-8, prepared by SC 86B, Fibre optic interconnecting devices and passive components, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61753-111-8 on 2010-02-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: – latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement
(dop)
2010-11-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2013-02-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 61753-111-8:2009 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60068-1 NOTE
Harmonized as EN 60068-1. IEC 60068-2 NOTE
Harmonized in EN 60068-2 series (not modified). IEC 60721-3-1 NOTE
Harmonized as EN 60721-3-1. IEC 60793-2 NOTE
Harmonized as EN 60793-2. IEC 60794-1-2 NOTE
Harmonized as EN 60794-1-2. IEC 60794-2 NOTE
Harmonized as EN 60794-2. IEC 60794-3 NOTE
Harmonized as EN 60794-3. IEC 61300 NOTE
Harmonized in EN 61300 series (not modified). IEC 62005 NOTE
Harmonized in EN 62005 series (not modified). __________
SIST EN 61753-111-8:2010
- 3 - EN 61753-111-8:2010
Annex ZA (normative)
Normative references to international publications with their corresponding European publications
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
NOTE
When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
Publication Year Title EN/HD Year
IEC 60068-2-10 - Environmental testing -
Part 2-10: Tests - Test J and guidance:
Mould growth EN 60068-2-10 -
IEC 60721-3-2 - Classification of environmental conditions -
Part 3: Classification of groups of environmental parameters
and their severities - Section 2: TransportationEN 60721-3-2 -
IEC 60793-2-50 2008 Optical fibres -
Part 2-50: Product specifications - Sectional specification for class B single-mode fibres EN 60793-2-50 2008
IEC 61300-1 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 1: General and guidance EN 61300-1 -
IEC 61300-2-1 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-1: Tests - Vibration (sinusoidal) EN 61300-2-1 -
IEC 61300-2-4 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-4: Tests - Fibre/cable retention EN 61300-2-4 -
IEC 61300-2-5 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-5: Tests - Torsion EN 61300-2-5 -
IEC 61300-2-9 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-9: Tests - Shock EN 61300-2-9 -
IEC 61300-2-11 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-11: Tests - Axial compression EN 61300-2-11 -
IEC 61300-2-12 2009 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-12: Tests - Impact EN 61300-2-12 2009
IEC 61300-2-22 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-22: Tests - Change of temperature EN 61300-2-22 -
SIST EN 61753-111-8:2010
EN 61753-111-8:2010
- 4 -
Publication Year Title EN/HD Year
IEC 61300-2-26 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-26: Tests - Salt mist EN 61300-2-26 -
IEC 61300-2-33 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-33: Tests - Assembly and disassembly of fibre optic closures EN 61300-2-33 -
IEC 61300-2-34 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-34: Tests - Resistance to solvents and contaminating fluids of interconnecting components and closures EN 61300-2-34 -
IEC 61300-2-37 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-37: Tests - Cable bending for fibre optic closures EN 61300-2-37 -
IEC 61300-2-38 2006 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 2-38: Tests - Sealing for pressurized fibre optic closures EN 61300-2-38 2006
IEC 61300-3-1 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 3-1: Examinations and measurements - Visual examination EN 61300-3-1 -
IEC 61300-3-3 2009 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 3-3: Examinations and measurements - Active monitoring of changes in attenuation and return loss EN 61300-3-3 2009
IEC 61300-3-28 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -
Part 3-28: Examinations and measurements - Transient loss EN 61300-3-28 -
IEC 61753-1 2007 Fibre optic interconnecting devices and passive components performance standard - Part 1: General and guidance for performance standards EN 61753-1 2007
IEC 61753-111-7 - Fibre optic interconnecting devices and passive components - Performance standard -Part 111-7: Sealed closures for category A - Aerial EN 61753-111-7 -
IEC 62134-1 - Fibre optic interconnecting devices and passive components - Fibre optic closures -
Part 1: Generic specification EN 62134-1 -
ISO 4892-3 2006 Plastics - Methods of exposure to laboratory light sources -
Part 3: Fluorescent UV lamps
EN ISO 4892-3 2006
SIST EN 61753-111-8:2010
IEC 61753-111-8Edition 1.0 2009-11INTERNATIONAL STANDARD NORME INTERNATIONALEFibre optic interconnecting devices and passive components performance standard –
Part 111-8: Sealed closures for category G – Ground
Dispositifs d'interconnexion et composants passifs à fibres optiques norme de qualité de fonctionnement –
Partie 111-8: Boîtiers scellés pour catégorie G – Au niveau du sol
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE SICS 33.180.20 PRICE CODECODE PRIXISBN 2-8318-1067-4
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale ® SIST EN 61753-111-8:2010
– 2 – 61753-111-8 © IEC:2009 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms, definitions and abbreviations.7 4 General requirements.7 4.1 Storage, transportation and packaging.7 4.2 Marking and identification.8 4.3 Materials.8 4.4 Closure overpressure safety.8 4.5 Test report.8 5 Test.9 5.1 General.9 5.2 Test specimen preparation.9 5.3 Test and measurement methods.9 5.4 Installation or intervention.10 5.5 Pass/fail criteria.10 6 Performance requirements.10 6.1 Sample size.10 6.2 Sealing, optical and appearance performance criteria.11 6.3 Mechanical sealing performance requirements.12 6.4 Environmental sealing performance requirements.14 6.5 Mechanical optical performance requirements.15 6.6 Environmental optical performance requirements.16 Annex A (normative)
Sample definition.17 Annex B (normative)
Sample size.19 Annex C (normative)
Intervention and reconfiguration/resplicing.20 Bibliography.22
Figure A.1 – Track joint configuration sample.17 Figure A.2 – Distribution joint configuration sample.18
Table 1 – Tightness, optical and appearance performance criteria.11 Table 2 – Mechanical sealing performance requirements.12 Table 3 – Environmental sealing performance requirements.14 Table 4 – Mechanical optical performance requirements.15 Table 5 – Environmental optical performance requirements.16 Table A.1 – Fibre type for testing.17 Table B.1 – Sample size.19
SIST EN 61753-111-8:2010
61753-111-8 © IEC:2009 – 3 – INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS PERFORMANCE STANDARD –
Part 111-8: Sealed closures for category G –
Ground
FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61753-111-8 has been prepared by subcommittee 86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics. The text of this standard is based on the following documents: FDIS Report on voting 86B/2905/FDIS 86B/2935/RVD
Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. SIST EN 61753-111-8:2010
– 4 – 61753-111-8 © IEC:2009 A list of all parts of IEC 61753 series, published under the general title Fibre optic interconnecting devices and passive components – Performance standard, can be found on the IEC website. Future standards in this series will carry the new general title as cited above. Titles of existing standards in this series will be updated at the time of the next edition. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to the specific publication. At this date, the publication will be
• reconfirmed, • withdrawn, • replaced by a revised edition, or • amended.
SIST EN 61753-111-8:2010
61753-111-8 © IEC:2009 – 5 – INTRODUCTION Performance standards for sealed closures define the requirements for standard optical performance under a set of specified conditions. This part of IEC 61753-111 contains a series or a set of tests and measurements with clearly stated conditions, severities and pass/fail criteria. The set of tests is intended to be a basis to prove the product’s ability to satisfy the requirements of a specific application, market sector or user group. A product that has been shown to meet all the requirements of this performance standard may be declared as complying with this performance standard. Products having the same classification from one manufacturer that satisfy this performance standard will operate within the boundaries set by the performance standard. There is no guarantee that products from different manufacturers, having the same classification and which conform to the same performance standard, will provide an equivalent level of performance when they are used together. Conformance with IEC environmental policy according to IEC Guide 109 and concerning the need to reduce the impacts on the natural environment of fibre optic closures during all phases of their life – from acquiring materials to manufacturing, distribution, use, and end-of-life treatment (i.e. re-use, recycling (recovery and disposal)) are not part of this standard, but will be covered in the generic specification.
Conformance to a performance standard demonstrates that a product has passed a design verification test. It is not a guarantee of lifetime assured performance or reliability. Reliability testing must be the subject of a separate test schedule, where the tests and severities selected are such that they are truly representative of the requirements of this reliability test programme. Consistency of manufacture should be maintained using a recognised quality assurance programme whilst the reliability of product should be evaluated using the procedures recommended in IEC 62005 series. Tests and measurements are selected from the IEC 61300 series.
SIST EN 61753-111-8:2010
– 6 – 61753-111-8 © IEC:2009 FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS
PERFORMANCE STANDARD –
Part 111-8: Sealed closures for category G –
Ground
1 Scope This part of IEC 61753 contains the minimum test and measurement requirements and severities which a sealed fibre optic closure must satisfy in order to be categorised as meeting the IEC standard
for category G – ground, as defined in Annex A of IEC 61753-1. Free breathing closures are not covered in this standard. 2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60068-2-10, Environmental testing – Part 2-10: Tests – Test J and guidance: Mould growth IEC 60721-3-2, Classification of environmental conditions – Part 3: Classification of groups of environmental parameters and their severities – Section 2: Transportation IEC 60793-2-50:2008, Optical fibres – Part 2-50 : Product specifications – Sectional specification for class B single-mode fibres
IEC 61300-1, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 1: General and guidance IEC 61300-2-1, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-1: Tests – Vibration (sinusoidal) IEC 61300-2-4, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-4: Tests – Fibre/cable retention IEC 61300-2-5, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-5: Tests – Torsion (only available in English) IEC 61300-2-9, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-9: Tests – Shock IEC 61300-2-11, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-11: Tests – Axial compression1 IEC 61300-2-12:2009, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-12: Tests – Impact ___________ 1
This publication was withdrawn in 2002. A project is currently under consideration. SIST EN 61753-111-8:2010
61753-111-8 © IEC:2009 – 7 – IEC 61300-2-22, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-22: Tests – Change of temperature IEC 61300-2-26, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-26: Tests – Salt mist IEC 61300-2-33, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-33: Tests – Assembly and disassembly of fibre optic closures IEC 61300-2-34, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-34: Tests – Resistance to solvents and contaminating fluids of interconnecting components and closures (only available in English) IEC 61300-2-37, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-37: Tests – Cable bending for fibre optic closures IEC 61300-2-38:2006, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 2-38: Tests – Sealing for pressurized fibre optic closures
IEC 61300-3-1, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-1: Examinations and measurements – Visual examination IEC 61300-3-3:2009, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-3: Examinations and measurements – Active monitoring of changes in attenuation and return loss (only available in English) IEC 61300-3-28, Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-28: Examinations and measurements – Transient loss IEC 61753-1:2007, Fibre optic interconnecting devices and passive components performance standard – Part 1: General and guidance for performance standards IEC 61753-111-7, Fibre optic interconnecting devices and passive components – Performance standard – Part 111-7: Sealed closures for category A – Aerial IEC 62134-1, Fibre optic interconnecting devices and passive components – Fibre optic closures – Part 1: Generic specification ISO 4892-3:2006, Plastics – Methods of exposure to laboratory light sources – Part 3: Fluorescent UV lamps 3 Terms, definitions and abbreviations For the purposes of this document, the terms, definitions and abbreviations given in IEC 61753-111-7 apply. 4 General requirements 4.1 Storage, transportation and packaging The classes of environmental conditions and their severities to which closures may be exposed during transportation are defined in IEC 60721-3-2. Normal transportation time is considered to be 30 days or less. SIST EN 61753-111-8:2010
– 8 – 61753-111-8 © IEC:2009 The product, in its original packaging, shall be suitable for normal public or commercial transportation and storage in weather protected non-temperature controlled storage environments.
4.2 Marking and identification
Marking of the closure and its package shall be according to IEC 62134-1. Product marking and identification shall survive the storage and transportation. Each test sample should contain the following information at a minimum: – manufacturer’s identification mark or logo; – product designation, model or type; – one of the following: lot number, batch number, date (at least month and year) of production or serial number; – expiry date (at least year) if the product contains components with a limited shelf-life. 4.3 Materials
For all applied materials, a Material Safety Data Sheet shall be made available upon request.
The materials of the closure and fibre management system shall be compatible with the other materials or solvents that can come into contact with it, for example cable filling compounds and degreasing agents. All materials that are likely to come in contact with personnel shall meet appropriate health and safety regulations. The effect of UV light on all polymeric materials that are directly exposed to the environment, shall not adversely affect the product’s performance. UV test shall be according to ISO 4892-3 Mode 1 lamp type 2. The effect of UV light shall be determined by measuring a suitable property (e.g. tensile strength) both before and after exposure of the material slabs. Polymeric materials shall not support mould growth causing mechanical degradation of the materials. Mould growth shall be tested according to IEC 60068-2-10. The effect of mould growth shall be determined by measuring a suitable property (e.g. tensile strength) both before and after exposure of the material slabs.
Metallic elements shall be corrosion resistant. Dissimilar metals should not be used in contact with each other unless they are suitably finished to prevent electrolytic corrosion. Materials which are not specified or which are not specifically described are left to the discretion of the manufacturer. 4.4 Closure overpressure safety Special attention should be taken when opening sealed closures that are carrying an overpressure. Overpressure can build up in sealed closures due to temperature differentials, atmospheric pressure changes over a period of time, flash testing of the seals after installation or incorrect installation techniques. Care should be taken when opening a sealed closure. Provisions shall be made that overpressure is exhausted when opening the closure prior to complete removal of the cover. 4.5 Test report Conformance to a performance standard shall be supported by a test report. The test report shall clearly demonstrate that the tests were carried out in accordance with the requirements of SIST EN 61753-111-8:2010
61753-111-8 © IEC:2009 – 9 – the performance standard and provide full details of the tests together with a pass/fail declaration. An analysis of the cause of the failure shall be undertaken and any corrective actions taken shall be described. If design changes are made, a risk assessment should be carried out to determine whether full or partial requalification should be done. 5 Test
5.1 General
The mechanical and environmental performance of a closure is vital to the optical cabling system. The purpose of testing is to demonstrate that the closure can survive under defined environmental conditions, without irreversible or reversible failures and perform according to the require
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