EN 2591-615:2001

Aerospace series - Elements of electrical and optical connection - Test methods - Part 615: Optical elements - Connection integrity at temperature

This standard specifies a method of measuring the performance of optical contacts in an optical connection element (including permanent connections) when subjected to tensile stress throughout the operating temperature range. This test shall not be applied to spring loaded elements.
It shall be used together with EN 2591-100.

Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prüfverfahren - Teil 615: Optische Elemente - Festsitzen des Kontaktes unter Temperaturbeanspruchung

Diese Norm legt ein Verfahren zum Messen der Leistungsfähigkeit von optischen Kontakten in einem optischen Verbindungselement (einschließlich dauerhaften Verbindungen) bei Zugbeanspruchung im gesamten Betriebs-temperaturbereich fest. Diese Prüfung gilt nicht für federbelastete Verbindungselemente.
Sie ist in Verbindung mit EN 2591-100 anzuwenden.

Série aérospatiale - Organes de connexion électrique et optique - Méthodes d'essais - Partie 615 : Organes optiques - Tenue des contacts en température

La présente norme prescrit une méthode pour mesurer les performances de contacts optiques dans des éléments de connexion optique (y compris les connexions permanentes) et des coupleurs à fibre optique soumis à une contrainte de traction sur toute sa gamme de température. Ce test ne doit pas être appliqué aux éléments à ressort.
Elle doit être utilisée conjointement avec EN 2591-100.

Aerospace series - Elements of electrical and optical connection - Test methods - Part 615: Optical elements - Connection integrity at temperature

General Information

• Status: Published
• Publication Date: 20-Nov-2001
• Withdrawal Date: 30-May-2002
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 2 - Electrical
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 01-Jun-2017
• Completion Date: 14-Apr-2025
• Ref Project: SIST EN 2591-615:2004 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 615: Optical elements - Connection integrity at temperature

Overview

EN 2591-615:2001 is a European aerospace standard developed by the European Committee for Standardization (CEN) that defines the test method for evaluating the connection integrity of optical elements under temperature stress. Specifically, this standard specifies a procedure for measuring the performance and reliability of optical contacts within optical connection elements - including permanent connections - when subjected to tensile stress across their operating temperature range. Notably, the test method excludes spring-loaded elements and is intended to be used in conjunction with EN 2591-100 for general test principles.

This standard is an essential part of the aerospace series focusing on electrical and optical connection components, ensuring dependable optical performance critical in aerospace applications where temperature extremes are common.

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Key Topics

• Scope and Exclusions
  EN 2591-615 applies to optical elements under tensile stress through their full operational temperature range. Spring-loaded contacts are excluded, emphasizing durability for permanent connections.

• Test Methodology
  The standard outlines how to prepare specimens fitted with accessories and cables long enough to endure climatic chamber exposure. Specimens are subjected to controlled tensile forces while thermal cycling between specified minimum and maximum temperatures.

• Thermal Cycling Conditions
  Two temperature cycle profiles (lower and higher temperature diagrams) define the rate of temperature change (2°C/min to 5°C/min) with 30 or 60-minute step durations at temperature extremes, simulating in-service environmental conditions aerospace optical connections must withstand.

• Measurement and Performance Criteria
  Continuous monitoring of attenuation variation according to EN 2591-602 ensures the optical contact maintains signal integrity throughout testing. Visual inspection per EN 2591-6101 confirms structural integrity. The optical connection must not exceed specified maximum attenuation variation to pass.

• Test Equipment and Setup
  The test apparatus includes a steel tube with pulleys, a self-centering collar for precise connector alignment, cable clamps for controlled tensile stress, and instrumentation for temperature and attenuation measurements within climatic chambers.

• Applicability and Specimen Selection
  The number of contacts to test is based on statistical sampling relative to the connection element size to achieve representative results.

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Applications

EN 2591-615:2001 is highly relevant for:

• Aerospace Manufacturers
  Ensuring the reliability of fiber optic connections in avionics systems operating under wide temperature fluctuations and mechanical stresses.

• Optical Component Testing Laboratories
  Providing standardized test protocols to validate connection integrity before certification and deployment.

• Quality Assurance in Aerospace Supply Chain
  Verifying compliance of optical connectors and assemblies with stringent aerospace performance requirements to reduce failure risks.

• Design and Development of Optical Systems
  Informing designers on the durability limitations and expected performance of optical contacts within electrical-optical interconnects across temperature ranges.

This standard supports safety and performance in aircraft, spacecraft, and associated ground support systems where optical communication reliability is critical.

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Related Standards

• EN 2591-100: Aerospace series – Elements of electrical and optical connection – Test methods – General requirements. Provides foundational test principles complementary to Part 615.

• EN 2591-602: Test methods for variation of attenuation and optical discontinuity during testing. Used to quantify optical signal loss during tensile and temperature trials.

• EN 2591-6101: Visual examination procedures applied for inspecting optical contacts post-test. Ensures no physical damage or anomalies affect connection integrity.

Together, these standards form a comprehensive framework for testing, assessing, and certifying aerospace-grade optical connection elements to ensure performance under thermal and mechanical stresses.

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Keywords: EN 2591-615, aerospace optical connection testing, optical connection integrity, temperature cycling test, tensile stress optical contacts, optical attenuation variation, aerospace electrical-optical connectors, EN 2591 series, optical element reliability, fiber optic aerospace standard.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2004
Aerospace series - Elements of electrical and optical connection - Test methods -
Part 615: Optical elements - Connection integrity at temperature
Aerospace series - Elements of electrical and optical connection - Test methods - Part
615: Optical elements - Connection integrity at temperature
Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prüfverfahren -
Teil 615: Optische Elemente - Festsitzen des Kontaktes unter
Temperaturbeanspruchung
Série aérospatiale - Organes de connexion électrique et optique - Méthodes d'essais -
Partie 615 : Organes optiques - Tenue des contacts en température
Ta slovenski standard je istoveten z: EN 2591-615:2001
ICS:
49.060 /HWDOVNDLQYHVROMVND Aerospace electric
HOHNWULþQDRSUHPDLQVLVWHPL equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 2591-615
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2001
ICS 49.060
English version
Aerospace series - Elements of electrical and optical connection
- Test methods - Part 615: Optical elements - Connection
integrity at temperature
Série aérospatiale - Organes de connexion électrique et Luft- und Raumfahrt - Elektrische und optische
optique - Méthodes d'essais - Partie 615: Organes optiques Verbindungselemente - Prüfverfahren - Teil 615: Optische
- Tenue des contacts en température Elemente - Festsitzen des Kontaktes unter
Temperaturbeanspruchung
This European Standard was approved by CEN on 4 June 2001.
CEN 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 Management Centre or to any CEN 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 CEN member into its own language and notified to the Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 2591-615:2001 E
worldwide for CEN national Members.

Foreword
This European Standard has been prepared by the European Association of Aerospace Manufacturers
(AECMA).
After inquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
AECMA, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by May 2002, and conflicting national standards shall be withdrawn at
the latest by May 2002.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark,
Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal,
Spain, Sweden, Switzerland and the United Kingdom.
1Scope
This standard specifies a method of measuring the performance of optical contacts in an optical co
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