SIST EN 4641-301:2011

Aerospace series - Cables, optical 125 μm diameter cladding - Part 301: Tight structure 50/125 µm GI fibre nominal 1,8 mm outside diameter - Product standard

This standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 50/125 µm Graded Index fibre core, 1,8 mm outside diameter for non pull-proof contact designs.

Luft- und Raumfahrt - Lichtwellenleiterkabel, Claddingdurchmesser 125 μm - Teil 301: Festaderaufbau GI 50/125μm, Faser Kabelaußendurchmesser 1,8 mm - Produktnorm

Diese Produktnorm legt die allgemeinen Merkmale, Qualifizierungsbedingungen, Abnahme und Qualitätssicherung
für ein Lichtwellenleiterkabel mit einer 50/125 µm Gradientenindexfaser und 1,8 mm Außendurchmesser
für nicht zugsichere Kontakte fest.

Série Aérospatiale - Câbles, optiques, diamètre extérieur de la gaine optique 125 μm - Partie 301 : Câble à structure serrée, fibre à gradient d’indice 50/125 μm, diamètre extérieur 1,8 mm - Norme de produit

La présente norme spécifie les caractéristiques générales, les conditions de qualification, d'acceptation et d'assurance qualité des câbles à fibre optique avec une fibre à gradient d'indice 50/125 µm, diamètre extérieur 1,8 mm pour une conception de contact non étiré.

Aeronavtika - Optični kabli, premer vlakna z oklepom 125 µm - 301. del: Kompaktna struktura 50/125 µm GI, imenski zunanji premer kabla 1,8 mm - Standard za izdelek

Ta standard določa splošne značilnosti, pogoje za odobritev kvalifikacije in za zagotavljanje kakovosti za optični kabel s stopnjevalnim lomnim količnikom 50/125 µm, z imenskim zunanjim premerom kabla 1,8 m za načrte za kontakte, ki niso odporni proti vlečenju.

General Information

• Status: Withdrawn
• Publication Date: 09-Oct-2011
• Withdrawal Date: 03-Apr-2022
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 31-Mar-2022
• Due Date: 23-Apr-2022
• Completion Date: 04-Apr-2022
• Ref Project: EN 4641-301:2011 - Aerospace series - Cables, optical 125 μm diameter cladding - Part 301: Tight structure 50/125 µm GI fibre nominal 1,8 mm outside diameter - Product standard

Relations

• Replaced By: SIST EN 4641-301:2022 - Aerospace series - Cables, optical 125 μm diameter cladding - Part 301: Tight structure 50/125 μm GI, fibre nominal 1,8 mm, outside diameter - Product standard
• Effective Date: 30-Mar-2022
• Replaced By: SIST EN 4641-301:2022 - Aerospace series - Cables, optical 125 μm diameter cladding - Part 301: Tight structure 50/125 μm GI, fibre nominal 1,8 mm, outside diameter - Product standard
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 4641-301:2011
01-november-2011
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.RPSDNWQDVWUXNWXUD—P*,LPHQVNL]XQDQMLSUHPHUNDEODPP
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—P*,ILEUHQRPLQDOPPRXWVLGHGLDPHWHU3URGXFWVWDQGDUG
/XIWXQG5DXPIDKUW/LFKWZHOOHQOHLWHUNDEHO&ODGGLQJGXUFKPHVVHUȝP7HLO
)HVWDGHUDXIEDX*,ȝP)DVHU.DEHODX‰HQGXUFKPHVVHUPP3URGXNWQRUP
6pULH$pURVSDWLDOH&kEOHVRSWLTXHVGLDPqWUHH[WpULHXUGHODJDLQHRSWLTXHȝP
3DUWLH&kEOHjVWUXFWXUHVHUUpHILEUHjJUDGLHQWG¶LQGLFHȝPGLDPqWUH
H[WpULHXUPP1RUPHGHSURGXLW
Ta slovenski standard je istoveten z: EN 4641-301:2011
ICS:
49.060 /HWDOVNDLQYHVROMVND Aerospace electric
HOHNWULþQDRSUHPDLQVLVWHPL equipment and systems
SIST EN 4641-301:2011 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 4641-301:2011

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SIST EN 4641-301:2011


EUROPEAN STANDARD
EN 4641-301

NORME EUROPÉENNE

EUROPÄISCHE NORM
May 2011
ICS 49.060
English Version
Aerospace series - Cables, optical 125 µm diameter cladding -
Part 301: Tight structure 50/125 µm GI fibre nominal 1,8 mm
outside diameter - Product standard
Série Aérospatiale - Câbles, optiques, diamètre extérieur Luft- und Raumfahrt - Lichtwellenleiterkabel,
de la gaine optique 125 µm - Partie 301: Câble à structure Claddingdurchmesser 125 µm - Teil 301: Festaderaufbau
serrée, fibre à gradient d'indice 50/125 µm, diamètre GI 50/125 µm, Faser Kabelaußendurchmesser 1,8 mm -
extérieur 1,8 mm - Norme de produit Produktnorm
This European Standard was approved by CEN on 12 February 2011.

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 CEN-CENELEC 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 CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4641-301:2011: E
worldwide for CEN national Members.

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SIST EN 4641-301:2011
EN 4641-301:2011 (E)
Contents Page
Foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms, definitions, symbols and abbreviations . 4
4 Required characteristics . 4
5 Cable construction . 5
6 Materials . 6
7 Test methods and performances . 6
8 Tooling . 12
9 Quality assurance . 12
10 Designation and marking . 12
11 Delivery conditions . 13
12 Storage . 13
13 Technical specification . 13


2

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SIST EN 4641-301:2011
EN 4641-301:2011 (E)
Foreword
This document (EN 4641-301:2011) has been prepared by the Aerospace and Defence Industries
Association of Europe - Standardization (ASD-STAN).
After enquiries 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 ASD,
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 November 2011, and conflicting national standards shall be
withdrawn at the latest by November 2011.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus,
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.

3

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SIST EN 4641-301:2011
EN 4641-301:2011 (E)
1 Scope
This product standard specifies the general characteristics, conditions for qualification, acceptance and
quality assurance for a fibre optic cable with a 50/125 µm Graded Index fibre core, 1,8 mm outside diameter
for non pull-proof contact designs.
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.
EN 2424, Aerospace series — Marking of aerospace products
EN 3475-601, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 601: Smoke
density
EN 3745 (all parts), Aerospace series — Fibres and cables, optical, aircraft use — Test methods
EN 3909, Aerospace series — Test fluids and test methods for electric components and sub-assemblies
EN 4641-001, Aerospace series — Cables, optical, 125 µm diameter cladding — Part 001: Technical
specification
1)
TR 4667, Aerospace series — Termination procedure for EN 4639 optical contact
3 Terms, definitions, symbols and abbreviations
For the purposes of this document, the terms, definitions, symbols and abbreviations detailed in
EN 3745-100 apply.
4 Required characteristics
The characteristics of the cables, tested according to the methods described hereafter shall comply with the
values defined in this product standard.

1) Published as ASD-STAN Technical Report at the date of publication of this standard by Aerospace and Defence
Industries Association of Europe-Standardization (ASD-STAN), (www.asd-stan.org).
4

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SIST EN 4641-301:2011
EN 4641-301:2011 (E)
5 Cable construction
See Figure 1 and Table 1.
6
5
4
3
2
1

Key
1 Core
2 Cladding
3 Primary buffer
4 Secondary buffer
5 Strength member
6 Outer jacket
Figure 1
Table 1
Property Value
Core diameter (50 ± 3,0) µm
Cladding diameter (125 ± 2,0) µm
Core/cladding concentricity ≤ 3 µm
Core non circularity ≤ 5 %
Cladding non circularity ≤ 2 %
Primary buffer (245 ± 15) µm
Attenuation at 850 nm (20 °C) < 5 dB/km
Attenuation at 1300 nm (20 °C) < 3 dB/ km
Finished cable diameter (1,80 ± 0,1) mm
Cable mass ≤ 5 kg/km
Operating temperature − 60 °C to 135 °C
Installation: 20 mm (10 × outside diameter)
Minimum bend radius (20 °C) Long term: 20 mm (10 × outside diameter)
Storage: 40 mm (20 × outside diameter)
Strength member weave pitch 3 mm < p < 20 mm
Tensile strength > 200 N

5

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SIST EN 4641-301:2011
EN 4641-301:2011 (E)
6 Materials
See Table 2.
Table 2
Element Material
Core
Fibre Silica
Cladding
Primary buffer High Temperature Polyacrylate
Secondary buffer High Temperature Polymer(s)
Mechanical strength reinforcement Aramid/Aramid-Fibreglass Woven Braid
Jacket(s) High Temperature Polymer

7 Test methods and performances
7.1 Tests in accordance with EN 3745-100
7.1.1 Optical fibre
See Table 3.
Table 3 — Optical fibre performance requirements
Test
method Designation of test Test conditions and results
EN 3745-
201 Fibre visual examination Pass
202 Fibre core dimension Method A: core diameter = (50 ± 3) µm
501 Optical fibre proof test > 1 %
Cladding diameter: (125 ± 2) µm
Method A or B
202 Fibre cladding dimension
Sample should be in accordance with test methods
Number of sample: 1
Primary coating outside
203 Not applicable
diameter
Core non circularity : ≤ 5 % (3 µm)
Fibre dimension core non
202
circularity
Number of sample: 1
Cladding non circularity : ≤ 2 % (2,5 µm)
Fibre dimension cladding
202
non circularity
Number of sample: 1
conti
...