EN 4641-100:2015

SLOVENSKI STANDARD
01-november-2015
Aeronavtika - Kabli, optični, zunanji premer obloge 125 µm - 100. del: Kompaktna
struktura 62,5/125 µm, zunanji premer vlakna 1,8 mm - Standard za proizvod
erospace series - Cables, optical 125 μm diameter cladding - Part 100: Tight structure
62,5/125 µm core GI fibre 1,8 mm outside diameter - Product standard
Luft- und Raumfahrt - Lichtwellenleiterkabel, Manteldurchmesser 125 µm - Teil 100:
Festaderaufbau GI 62,5/125 µm Faser Kabeldurchmesser 1,8 mm - Produktnorm
Série aérospatiale - Câble, optique, diamètre extérieur de la gaine optique 125 µm -
Partie 100: Câble à structure serrée fibre à gradient d’indice cœur 62,5/125 µm, diamètre
extérieur 1,8 mm - Norme de produit
Ta slovenski standard je istoveten z: EN 4641-100:2015
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 4641-100
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2015
EUROPÄISCHE NORM
ICS 49.090
English Version
Aerospace series - Cables, optical 125 µm diameter
cladding - Part 100: Tight structure 62,5/125 µm core GI
fibre 1,8 mm outside diameter - Product standard
Série aérospatiale - Câble, optique, diamètre extérieur Luft- und Raumfahrt - Lichtwellenleiterkabel,
de la gaine optique 125 µm - Partie 100 : Câble à Manteldurchmesser 125 µm - Teil 100: Festaderaufbau
structure serrée fibre à gradient d'indice cœur GI 62,5/125 µm Faser Kabeldurchmesser 1,8 mm -
62,5/125 µm, diamètre extérieur 1,8 mm - Norme de Produktnorm
produit
This European Standard was approved by CEN on 21 June 2014.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4641-100:2015 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Required characteristics . 5
5 Cable construction . 5
6 Materials . 5
7 Test methods and performances in accordance with EN 3745-100 . 6
8 Quality assurance . 13
9 Designation, marking and colours . 13
10 Delivery conditions . 14
11 Storage . 14
Bibliography . 15

European foreword
This document (EN 4641-100:2015) 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 European
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 March 2016, and conflicting national standards shall
be withdrawn at the latest by March 2016.
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

1 Scope
This European Standard specifies the general characteristics, conditions for qualification, acceptance
and quality assurance for fibre optic cable: 4641-100.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. 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 2812, Aerospace series — Stripping of electric cables
EN 3745 (all parts), Aerospace series — Fibres and cables, optical, aircraft use — Test methods
EN 3838, Aerospace series — Requirements and tests on user-applied markings on aircraft electrical cables
EN 3909, Aerospace series — Test fluids and test methods for electric components and sub-assemblies
EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace
standard parts
1)
TR 6058, Aerospace series — Cable code identification list
2)
TIA/EIA-455-30-B, FOTP-30 Frequency Domain Measurement of Multimode
TIA/EIA-455-175-B, FOTP175 — Chromatic Dispersion Measurement of Single-mode Optical Fibers by the
2)
Differential Phase Shift Method
2)
ANSI/EIA 4920000-A, Generic Specification for Optical Waveguide Fibers

1) Published as ASD-STAN Technical Report at the date of publication of this European Standard.
http://www.asd-stan.org/
2) Published by: National (US) American National Standard Institute. http://www.ansi.org/
3 Terms and definitions
For the purposes of this document, the terms and definitions given 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.
5 Cable construction
See Figure 1 and Table 1.
Key
1 Core
2 Optical cladding
3 Primary coating
4 Primary jacket
5 Mechanical strength braid
6 Outer jacket
Figure 1
Table 1
Property Value
Mass ≤ 4 g/m
Operating temperature -55 °C to 125 °C
Installation: 20 mm (10 × outside diameter)
Minimum bend radius (20 °C)
Long term: 20 mm (10 × outside diameter)
Storage: 40 mm (20 × cable outside diameter)
Tensile strength > 200 N
6 Materials
See Table 2.
Table 2
Element Material
Core
Fibre Silica
Cladding
Primary coating Silicone
Primary jacket Halogen free high temperature copolymer
Mechanical strength reinforcement Polymer aromatic braid
Outer jacket High temperature copolymer

7 Test methods and performances in accordance with EN 3745-100
7.1 Optical fibre tests
See Table 3.
Table 3 — Optical fibre test methods
Test
method Designation of the test Test conditions and results
EN 3745-
201 Fibre visual examination The coating shall be continuous and free of visible defects such as lumps,
abrasions, cracks, splits or blisters.
202 Fibre core dimensions Core diameter: (62,5 ± 3) µm
202 Fibre dimension cladding diameter
Cladding diameter: (125 ± 2) µm
Method A or B
Sample should be in accordance with test methods
Number of sample: 1
202 Fibre dimension core non circularity
Core non circularity: ≤ 5 % (3 µm)
Number of sample: 1
202 Fibre dimension cladding
Cladding non circularity: ≤ 2 % (2,5 µm)
non circularity
Number of sample: 1
202 Fibre dimension concentricity error
Concentricity error: ≤ 3 µm
Number of sample: 1
301 ≤ 4 dB/km at 850 nm (20 °C)
Fibre attenuation
Method A
≤ 2 dB/km at 1 300 nm (20 °C)
302 Numerical aperture
0,275 ± 0,015
303 Bandwidth Bandwidth ≥ 160 MHz.km at 850 nm
Bandwidth ≥ 500 MHz.km at 1 300 nm
Number of sample: 1
Minimal length of the sample: 1 km
Central wavelengths: 850 nm / 1 300 nm ± 10 nm
Spectral width (− 3 dB): ≤ 10 nm for 850 nm and 1 300 nm
501 Optical fibre proof test > 1 %

7.2 Fibre optic cable
See Table 4.
Table 4 — Fibre optic cable test methods (1 of 6)
Test
method Designation of the test Test conditions and results
EN 3745-
The outer jacket shall have the correct identification as specified in this
European Standard.
201 Visual Inspection The coating shall be continuous and free of visible defects such as lumps,
abrasions, cracks, splits or blisters.
Sample length: (100 ± 0,05) m
203 Primary coating outside diameter (400 ± 25) µm
203 Buffer diameter (900 ± 25) µm
203 Outer jacket outside diameter
(1,8 ± 0,1) mm
203 Outer jacket wall thickness (0,35 ± 0,07) mm
The change in longitudinal dimensions between core/cladding and
primary jacket and core/cladding
...