EN 2591-6301:2001

Aerospace series - Elements of electrical and optical connection - Test methods - Part 6301: Optical elements - Endurance at temperature

This standard specifies a method of checking the ability of optical connection elements (including permanent connections) and fibre optic couplers to withstand elevated temperatures.
It shall be used together with EN 2591-100.

Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prüfverfahren - Teil 6301: Optische Elemente - Temperaturbeständigkeit

Diese Norm legt ein Verfahren zum Nachweis der Widerstandsfähigkeit von optischen Verbindungselementen (einschließlich dauerhaften Verbindungen) und LWL-Kopplern gegenüber hohen Temperaturen fest.
Sie ist in Verbindung mit EN 2591-100 anzuwenden.

Série aérospatiale - Organes de connexion électrique et optique - Méthodes d'essais - Partie 6301 : Organes optiques - Endurance en température

La présente norme prescrit une méthode pour vérifier l'aptitude d'organes de connexion optique (y compris les connexions permanentes) et de coupleurs à fibre optique à résister à des températures élevées.
Elle doit être utilisée conjointement avec EN 2591-100.

Aerospace series - Elements of electrical and optical connection - Test methods - Part 6301: Optical elements - Endurance 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: 11-Feb-2026
• Ref Project: SIST EN 2591-6301:2004 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 6301: Optical elements - Endurance at temperature

Relations

• Refers: EN 2591-6101:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 6101: Optical elements - Visual examination
• Effective Date: 28-Jan-2026
• Refers: EN 2591-100:2024 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General
• Effective Date: 28-Jan-2026
• Refers: EN 2591-301:1996 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 301: Endurance at temperature
• Effective Date: 28-Jan-2026
• Refers: EN 2591-205:1996 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 205: Housing (shell) electrical continuity
• Effective Date: 28-Jan-2026
• Refers: EN 2591-601:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 601: Optical elements - Insertion loss
• Effective Date: 28-Jan-2026
• Refers: EN 2591-602:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 602: Optical elements - Variation of attenuation and optical discontinuity
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-012:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 012: Contacts, electrical, triaxial, size 8, male, type D, solder, class R - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-017:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 017: Contacts, electrical, relay base, female, type A, crimp, class P - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 4531-101:2016 - Aerospace series - Connectors, optical, circular, single and multipin, coupled by triple start threaded ring - Flush contacts - Part 101: Optical contact for EN 4641 multimode cable -55 °C to 125 °C - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3646-001:2007 - Aerospace series - Connectors, electrical, circular, bayonet coupling, op-erating temperature 175 °C or 200 °C continuous - Part 001: Technical specification
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-066:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 066: Contacts, electrical, female, type A, crimp, class S, size 8 - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3660-004:2023 - Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 004: Cable outlet, style A, straight, unsealed with clamp strain relief - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-079:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 079: Contacts size 22 for EN 2997, electrical, female, type A, crimp, class S - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-035:2012 - Aerospace series - Electrical contacts used in elements of connection - Part 035: Contacts, electrical, triaxial, size 08, female, type D, crimp, class R - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3645-001:2019 - Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded coupling, operating temperature 175 °C or 200 °C continuous - Part 001: Technical specification
• Effective Date: 28-Jan-2026

Overview

EN 2591-6301:2001 is a European standard in the aerospace series that defines the test method for evaluating the endurance of optical connection elements under elevated temperature conditions. Developed by CEN, this standard is critical for ensuring the reliability of fiber optic couplers and permanent optical connections used in demanding aerospace environments. EN 2591-6301:2001 must be used in conjunction with the more general EN 2591-100 standard.

By leveraging this method, aerospace manufacturers and suppliers can verify that their optical connectors and assemblies maintain performance and integrity when exposed to high temperatures, which is vital for safe and efficient operation in aircraft and aerospace systems.

Key Topics

• Endurance Testing at Elevated Temperature: Specifies procedures for testing optical connection elements' ability to withstand heat.
• Applicability: Addresses both permanent connections and fiber optic couplers used in aerospace electric equipment and systems.
• Specimen Preparation: Outlines how specimens should be fitted, terminated, and connected according to relevant product standards.
• Test Equipment: Requires the use of a climatic chamber and references to related apparatus from EN 2591-301 and EN 2591-602.
• Continuous Monitoring: Emphasizes the need to continuously monitor attenuation during exposure to elevated temperatures.
• Measurement Criteria: Sets limits for allowable variation in optical attenuation and mandates final measurements, including insertion loss and visual inspection.

Applications

EN 2591-6301:2001 is widely used in the aerospace industry for:

• Qualification of Optical Connectors: Ensuring fiber optic connectors meet durability requirements for use in high-temperature aerospace environments.
• Product Development and Quality Assurance: Supporting manufacturers in developing reliable optical connection assemblies and controlling quality in production.
• Component Approval: Serving as a reference standard for the approval of fiber optic components used in satellites, aircraft, and other aerospace systems.
• Maintenance and Safety Protocols: Guiding maintenance teams in evaluating the durability and ongoing compliance of installed optical elements.

By complying with EN 2591-6301:2001, aerospace organizations can demonstrate that their optical connections are fit for purpose under operational stresses, improving system reliability and reducing the risk of failure caused by thermal endurance issues.

Related Standards

For a comprehensive approach to testing electrical and optical connection elements in the aerospace sector, EN 2591-6301:2001 should be considered alongside the following related standards:

• EN 2591-100: General principles and requirements for test methods of electrical and optical connection elements.
• EN 2591-301: Details additional endurance at temperature test procedures for connectors.
• EN 2591-601: Test methods for insertion loss in optical elements.
• EN 2591-602: Methods for measuring variation of attenuation and optical discontinuity.
• EN 2591-205: Housing electrical continuity tests.
• EN 2591-6101: Visual examination requirements for optical elements.
• EN 2591-6409: Contact retention in insert for optical elements.

Adhering to these standards ensures consistency, interoperability, and safety in aerospace applications where reliable optical connection elements and fiber optic couplers are essential.

Keywords: EN 2591-6301:2001, optical connection elements, aerospace series, endurance at temperature, fiber optic couplers, climatic chamber, attenuation, insertion loss, system reliability, aerospace standards, quality assurance.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Elements of electrical and optical connection - Test methods - Part 6301: Optical elements - Endurance at temperatureLuft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prüfverfahren - Teil 6301: Optische Elemente - TemperaturbeständigkeitSérie aérospatiale - Organes de connexion électrique et optique - Méthodes d'essais - Partie 6301 : Organes optiques - Endurance en températureAerospace series - Elements of electrical and optical connection - Test methods - Part 6301: Optical elements - Endurance at temperature49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 2591-6301:2001SIST EN 2591-6301:2004en01-maj-2004SIST EN 2591-6301:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 2591-6301November 2001ICS 49.060English versionAerospace series - Elements of electrical and optical connection- Test methods - Part 6301: Optical elements - Endurance attemperatureSérie aérospatiale - Organes de connexion électrique etoptique - Méthodes d'essais - Partie 6301: Organesoptiques - Endurance en températureLuft- und Raumfahrt - Elektrische und optischeVerbindungselemente - Prüfverfahren - Teil 6301: OptischeElemente - TemperaturbeständigkeitThis 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 EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.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 STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 2591-6301:2001 ESIST EN 2591-6301:2004
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