EN 4641-103:2025
(Main)Aerospace series - Cables, optical 125 μm diameter cladding - Part 103: Semi-loose, ruggedized simplex construction 62,5 µm/125 µm GI fibre nominal 2,74 mm, outside diameter - Product standard
Aerospace series - Cables, optical 125 μm diameter cladding - Part 103: Semi-loose, ruggedized simplex construction 62,5 µm/125 µm GI fibre nominal 2,74 mm, outside diameter - Product standard
This document specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 62,5 µm/125 µm simplex fibre, 2,74 mm outside cable diameter and of semi-loose construction. The basic construction is the cable specified in EN 4641-102 with added sheaths for ruggedized usages.
Luft- und Raumfahrt - Lichtwellenleiterkabel, Claddingdurchmesser 125 µm - Teil 103: Halbfester Leiteraufbau, widerstandsfähige Simplexkonstruktion GI 62,5 µm/125 µm Faser, Kabelaußendurchmesser 2,74 mm - Produktnorm
Série aérospatiale - Câbles, optiques, diamètre extérieur de la gaine optique 125 μm - Partie 103 : Câble à structure semi-libre, renforcée, fibre simplex à gradient d'indice 62,5 µm/125 µm, diamètre extérieur 2,74 mm - Norme de produit
Le présent document spécifie les caractéristiques générales ainsi que les conditions de qualification, de réception et d'assurance qualité pour un câble à fibre optique avec une fibre simplex à gradient d'indice 62,5 µm/125 µm, un diamètre extérieur de 2,74 mm et une structure semi-libre. La construction basique est le câble défini dans l’EN 4641-102 avec des gaines en plus pour des usages renforcés.
Aeronavtika - Kabli, optični, zunanji premer obloge 125 µm - 103. del: Poltrdi kabli lahke izvedbe 62,5/125 µm GI, zunanji premer vlakna 2,74 mm - Standard za izdelek
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2025
Aeronavtika - Kabli, optični, zunanji premer obloge 125 µm - 103. del: Poltrdi kabli
lahke izvedbe 62,5/125 µm GI, zunanji premer vlakna 2,74 mm - Standard za izdelek
Aerospace series - Cables, optical 125 μm diameter cladding - Part 103: Semi-loose,
ruggedized simplex construction 62,5/125 µm GI fibre nominal 2,74 mm, outside
diameter - Product standard
Luft- und Raumfahrt - Lichtwellenleiterkabel, Claddingdurchmesser 125 µm - Teil 103:
Halbfester Leiteraufbau, widerstandsfähige Simplexkonstruktion GI 62,5 µm/125 µm
Faser, Kabelaußendurchmesser 2,74 mm - Produktnorm
Série aérospatiale - Câble, optique, diamètre extérieur de la gaine optique 125 µm -
Partie 103 : Câble à structure semi libre, renforcée, monovoie fibre à gradient d'indice
62,5 µm/125 µm, diamètre extérieur 2,74 mm - Norme de produit
Ta slovenski standard je istoveten z: EN 4641-103:2025
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
49.090 Oprema in instrumenti v On-board equipment and
zračnih in vesoljskih plovilih instruments
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 4641-103
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2025
EUROPÄISCHE NORM
ICS 49.090 Supersedes EN 4641-103:2010
English Version
Aerospace series - Cables, optical 125 µm diameter
cladding - Part 103: Semi-loose, ruggedized simplex
construction 62,5 µm/125 µm GI fibre nominal 2,74 mm,
outside diameter - Product standard
Série aérospatiale - Câbles, optiques, diamètre Luft- und Raumfahrt - Lichtwellenleiterkabel,
extérieur de la gaine optique 125 µm - Partie 103 : Claddingdurchmesser 125 µm - Teil 103: Halbfester
Câble à structure semi-libre, renforcée, fibre simplex à Leiteraufbau, widerstandsfähige Simplexkonstruktion
gradient d'indice 62,5 µm/125 µm, diamètre extérieur GI 62,5 µm/125 µm Faser, Kabelaußendurchmesser
2,74 mm - Norme de produit 2,74 mm - Produktnorm
This European Standard was approved by CEN on 20 January 2025.
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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4641-103:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 6
4 Required characteristics . 6
5 Cable construction . 6
6 Materials . 7
7 Tests in accordance with EN 3745-100 . 7
7.1 Launch conditions. 7
7.2 Optical fibre tests . 7
7.3 Fibre optic component cable tests . 7
7.4 Ruggedized fibre optic cable . 7
8 Tooling . 11
9 Quality assurance . 11
10 Designation, marking and colours . 12
10.1 Designation . 12
10.2 Marking . 12
10.3 Colours . 12
11 Delivery conditions . 12
11.1 Packaging . 12
11.2 Labelling . 12
11.3 Delivery lengths. 12
12 Storage . 12
Bibliography . 13
European foreword
This document EN 4641-103:2025 has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by November 2025, and conflicting national standards shall be
withdrawn at the latest by November 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
[This document supersedes EN 4641-103:2010.]
The main changes with respect to the previous edition are as follows:
— EN 4641-103 (P1), 11/2010 — Editorial improvements, update of Clause 2 and update of the scope
to change “single mode fibre core” to “simplex fibre”.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this document: 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, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
1 Scope
This document specifies the general characteristics, conditions for qualification, acceptance and quality
assurance for a fibre optic cable with a 62,5 µm/125 µm simplex fibre, 2,74 mm outside cable diameter
and of semi-loose construction. The basic construction is the cable specified in EN 4641-102 with added
sheaths for ruggedized usages.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 2591-100, Aerospace series — Elements of electrical and optical connection — Test methods — Part 100:
General
EN 2812, Aerospace series — Stripping of electric cables
EN 3745-100, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 100: General
EN 3745-201, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 201: Visual
examination
EN 3745-203, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 203: Cable
dimensions
EN 3745-205, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 205: Cable
longitudinal dimensional stability
EN 3745-301, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 301:
Attenuation
EN 3745-306, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 306:
Variation of attenuation during temperature cycling
EN 3745-404, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 404: Thermal
shock
EN 3745-406, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 406: Cold
bend test
EN 3745-407, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 407:
Flammability
EN 3745-411, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 411:
Resistance to fluids
EN 3745-503, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 503: Scrape
abrasion
EN 3745-505, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 505: Cable
tensile strength
EN 3745-506, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 506: Impact
resistance
EN 3745-507, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 507: Cut-
through
EN 3745-508, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 508: Torsion
EN 3745-509, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 509: Kink test
EN 3745-510, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 510: Bending
test
EN 3745-512, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 512: Flexure
endurance
EN 3745-513, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 513: Crush
resistance
EN 3745-516, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 516: Severe
cable bend test
EN 3745-517, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 517: Cable tie
clamping test
EN 3745-601, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 601: Smoke
density
EN 3745-602, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 602: Toxicity
EN 3745-701, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 701:
Strippability
EN 3745-703, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 703:
Durability of manufacturer’s marking
EN 3745-705, Aerospace series — Fibres and cables, optical, aircraft use — Test methods — Part 705: Contrast
measurement
EN 4641-001, Aerospace series — Cables, optical, 125 µm diameter cladding — Part 001: Technical
specification
EN 4641-102, Aerospace series — Cables, optical 125 µmdiameter cladding — Part 102: Semi-loose
62,5 µm/125 µm GI fibre nominal 1,8 mm outside diameter — Product standard
TR 4647, Aerospace series — Termination procedure for EN 4639 optical contact
Published as ASD-STAN TR, available at: https://www.asd-stan.org/.
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 3745-100 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
4 Required characteristics
The characteristics of the cables, tested according to the methods described hereafter, shall comply
with the values specified in this product standard.
5 Cable construction
According to Figure 1 and Table 1.
Key
1 Mechanical reinforcement
2 Jacket – Extruded fluoropolymer
3 EN 4641-102 fibre cable
Figure 1 — Cab
...
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