EN 4641-201:2018
(Main)Aerospace series - Cables, optical, 125 µm diameter cladding - Part 201: Semi-loose structure 9/125 µm SM fibre nominal 1,8 mm outside diameter - Product standard
Aerospace series - Cables, optical, 125 µm diameter cladding - Part 201: Semi-loose structure 9/125 µm SM fibre nominal 1,8 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 9/125 µm, SM fibre core, and 1,8 µm outside cable diameter and of semi loose buffer construction.
Luft- und Raumfahrt - Lichtwellenleiterkabel, Mantelaußendurchmesser 125 μm - Teil 201: Kompaktaderstruktur, 9/125 μm SM-Faser, Kabelaußendurchmesser 1,8 mm - Produktnorm
Série aérospatiale - Câbles, optiques, diamètre extérieur de la gaine optique 125 μm - Partie 201 : Câble à structure semi-libre, fibre à SM 9/125 μm, diamètre extérieur 1,8 mm - Norme de produit
Aeronavtika - Kabli, optični, zunanji premer obloge vlakna 125 µm - 201. del: Polohlapna struktura obloge GI 9/125 µm, zunanji premer vlakna 1,8 mm - Standard za proizvod
Ta dokument določa splošne značilnosti, pogoje kvalifikacije, sprejemljivosti in zagotavljanja kakovosti za optični kabel s premerom 9/125 µm, enoplastnim jedrom in zunanjim premerom kabla 1,8 µm ter pol-ohlapno strukturo obloge.
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Lichtwellenleiterkabel, Mantelaußendurchmesser 125 µm - Teil 201: Kompaktader, 9/125 µm SM-Faser, Kabelaußendurchmesser 1,8 mm - ProduktnormAerospace series - Cables, optical, 125 µm diameter cladding - Part 201: Semi-loose structure 9/125 µm SM fibre nominal 1,8 mm outside diameter - Product standard49.060Aerospace electric equipment and systems33.180.10Fibres and cablesICS:Ta slovenski standard je istoveten z:EN 4641-201:2018SIST EN 4641-201:2019en,fr,de01-februar-2019SIST EN 4641-201:2019SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4641-201
November
t r s z ICS
v {ä r { r English Version
Aerospace series æ Cablesá opticalá
s t w
Ám diameter cladding æ Part
t r sã Semiæfibre nominal
sá z mm outside diameter æ Product standardSérie aérospatiale æ Câblesá optiquesá diamètre extérieur de la gaine optique
s t w
Ám æ Partie
t r s diamètre extérieur
sá z mm æ Norme de produit
Luftæ und Raumfahrt æ Lichtwellenleiterkabelá Mantelaußendurchmesser
s t w
Ám æ Teil
t r sã Kabelaußendurchmesser
sá z mm æ Produktnorm This European Standard was approved by CEN on
z July
t r s zä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Rue de la Science 23,
B-1040 Brussels
t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
v x v sæ t r sã t r s z ESIST EN 4641-201:2019
Contents Page European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 4 4 Required characteristics . 4 5 Cable construction . 5 6 Materials . 6 7 Test methods and performances . 6 8 Tooling . 13 9 Quality assurance . 13 10 Designation and marking . 14 11 Delivery conditions . 14 12 Storage . 14 13 Technical specification . 14
European foreword This document (EN 4641-201:2018) 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 May 2019, and conflicting national standards shall be withdrawn at the latest by May 2019. 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. 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 4641-201:2019
1 Scope This European Standard specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 9/125 µm, SM fibre core, and 1,8 µm outside cable diameter and of semi-loose buffer construction. 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 2812, Aerospace series — Stripping of electric cables 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 3838, Aerospace series — Requirements and tests on user-applied markings on aircraft electrical cables EN 3909, Aerospace series — Test fluids and test methods for electrical and optical components and sub-assemblies EN 4641-001, Aerospace series — Cables, optical, 125 µm diameter cladding — Part 001: Technical specification TR 4647, Aerospace series — Termination procedure for EN 4639 optical contact 1) IEC 60793-1-45, Optical fibres — Part 1-45: Measurement methods and test procedures — Mode field diameter 2) 3 Terms and definitions For the purposes of this document, the following terms and definitions given in EN 3745-100 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses:
IEC Electropedia: available at http://www.electropedia.org/
ISO Online browsing platform: available at http://www.iso.org/obp
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 European Standard by Aerospace and Defence Industries Association of Europe-Standardization (ASD-STAN), (www.asd-stan.org). 2) Published by: IEC International Electrotechnical Commission http://www.iec.ch/ SIST EN 4641-201:2019
5 Cable construction See Figure 1 and Table 1.
Key 1 Core
2 Cladding
3 Primary buffer 4 Primary buffer 5 Bondable layer 6 Barrier 7 Strength member 8 Cable jacket Figure 1 Table 1 Property Value Mode field diameter 1 310 nm: (9,0 ± 0,5) µm 1 550 nm: (10,1 ± 0,6) µm Cladding (125 ± 1,0) µm Primary Coating (245 ± 10) µm Secondary buffer diameter (0,9 ± 0,06) mm Finished cable diameter (1,8 ± 0,12) mm Cable mass
Finished cable diameter (0,9 ± 0,06) mm Cable mass
1,0 ± 0,2 g/m Operating temperature
– 65 °C to 150 °C Fibre cut-off wavelength
¶
sá t x r nm Minimum bend radius (+ 20 °C) Installation: 10 mm (5 x outside diameter) Long term: 20 mm (10 x outside diameter) Storage: 40 mm (20 x cable outside diameter) Tensile strength
> 200 N
6 Materials See Table 2. Table 2 Element Material Fibre Core Silica Cladding Primary buffer Polyacrylate Primary buffer PTFE Bondable layer Polyimide Barrier layer PTFE (Non-sealed) Strength member Aramid/fibre glass woven braid Outer jacket Extruded fluoropolymer
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 EN 3745- Designation of test Test conditions and results 201 Visual examination Pass IEC 60793-1-45 Fibre Mode Field Diameter (MFD) MFD: (9,0 ± 0,5) µm 501 Optical fibre proof test > 1 % 301 Method D Fibre attenuation Maximum attenuation
¶
rá7 dB/km at 1 310 nm,
¶ 0,5 dB/km at 1 550 nm at 20 °C Minimum sample lengthã
·
s r r m
7.1.2 Fibre optic cable See Table 4. Table 4 — Fibre optic cable performance requirements (1 of 5) Test method EN 3745- Designation of test Test conditions and results 201 Visual inspection The outer jacket shall have the correct identification as specified in this standard. The coating shall be continuous and free of visible defects such as lumps, abrasions, cracks, splits or blisters. Number of samples: 1 Sample length: 3 m 203 Primary coating outside diameter (245 ± 10) µm 203 Buffer diameter (915 ± 60) µm 203 Outer jacket outside diameter (1,8 ± 0,12) mm 205 Method A Longitudinal stability Change in longitudinal dimensions between A and Bã
¶ 5 mm. Number of samples: 3 Sample length: (3,5 ± 0,03) m Perform temperature cycling t Test method EN 3745-402: 25 cycles 301 Method D Cable attenuation Maximum attenuation
¶
r,70 dB/km at 1 310 nm,
¶
rá50 dB/km at 1 550 nm at 20 °C. Minimum sample lengthã
·
s r r m 305 Cable immunity to ambient light
Level of optical power
¶ t 50 dB m Sample length exposed to light source: (10 ± 0,1) m 306/402 Attenuation during temperature cycling
Visual examination in accordance with EN 3745-201
¶
rá 30 dB at 1 310 nm Test method EN 3745-402: 25 cycles
High temperature: 150 °C Low temperature: − 65 °C Duration at extreme temperatures: 30 min
Rate of change: 5 °C per min
Number of samples: 3 – Sample length:
· 10 m 401 Cable accelerated aging
Visual examination in accordance with EN 3745-201 Maximum variation in attenuation:
≤ 0,30 dB Variation in attenuation after 24 h:
≤ 0,10 dB at 1 310 nm Residual variation in attenuation: ≤
0,10 dB at 1 310 nm Mandrel diameter: 250 mm Test temperature: 150 °C – Number of temperature cycles: 1 Number of samples: 1 – Sample length: (100 ± 0,05) m 404 Thermal shock Visual examination in accordance with EN 3745-201 Maximum permissible variation in attenuation during test sequence and after 24
¶
rá30 dB at 1 310 nm. High temperature: 150 °C Low temperature: − 65 °C Duration at extreme temperatures: 30 min
Number of samples: 3 Sample lengthã
· 10 m Number of temperature cycles: 25
Table 4 — Fibre optic cable performance requirements (2 of 5) Test method EN 3745- Designation of test Test conditions and results 405 Low/High temperature bend Visual examination in accordance with EN 3745-201
¶
rá
u r dB at
s 310 nm. High temperature: 150 °C Low temperature: – 65 °C 4 h soak at each temperature extreme. Mandrel diameter: (50 ± 1) mm Cable load weight: (3,9 ± 0,1) kg
Number of samples: 1 Sample lengthã
·
w mä 406 Cold bend
¶ 0,30 dB at 1 310 nm. Visual examination in accordance with EN 3745-201
1 h soak at: – 65 °C Mandrel size: (50 ± 1) mm Mandrel wraps: 10 Number of samples: 1 Sample lengthã
·
s r m 407 Flammability No flaming particles shall fall from the sample during the test and the tissue paper shall not be ignited Period of flame application: 30 s
Maximum burn length: 75 mm t Self extinguish after 5 s
Number of samples: 3 t Sample length: (1 ± 0,05) m 410 Thermal life Temperature rating: 150 °C at 100 000 h 411 Method 2 Resistance to fluids Visual examination in accordance with EN 3745-201
% No cracks t Low colour modification t Readable marking. See Table 5.
412 Humidity resistance Visual examination in accordance with EN 3745-201
¶
rá s r dB at
s 310 nm.
% Number of samples: 1 Sample lengthã
·
t r m Number of cycles: 15 501 Fibre proof test
·
s % 503 Scrape abrasion
¶
rá s r dB at
s 310 nm. Visual examination in accordance with EN 3745-201 Jacket shall not split, crack or expose the strength member Number of samples: 3
Sample lengthã
· 3 m Ambient test: Load: 7 N – Number of cycles: 500 High temperature test (150 °C): Load: 2,2 N – Number of cycles: 500
Table 4 — Fibre optic cable performance requirements (3 of 5) Test method EN 3745- Designation of test Test conditions and results 504 Micro-bending
¶
rá s r dB at
s 310 nm Maximum residual attenuation 15 minutes after removing the loadã
¶
rá s r dB at
s 310 nm. Visual examination in accordance with EN 3745-201. Number of samples: 3 Load: 50 N Rate load is applied: 50 N/min Mandrel size
±
w mm 505 Method B Tensile strength
Maximum variation in
310 nm
Pulling speed: (50 ± 10) mm/min Number of samples: 3 Sample lengthã
·
w m 506 Impact
¶
rá
s r dB at
s 310 nm. Jacket shall not crack or split Test temperature: 20 °C Load to be applied: 5 N Radius intermediate piece: 15 mm Drop height: 150 mm Number of impacts: 2 Number of samples: 3 Sample lengthã
·
y r r mm 507 Cut-through Visual examination in accordance with EN 3745-201 Monitor attenuation to determine fibre breakage of the sample during testing at 20 °C and 150 °C Load to be applied: 40 N Duration of load application: 1 min Number of samples: 3 Sample lengthã
·
u m 508 Torsion No crack
...
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