EN 60794-2-50:2008

Optical fibre cables - Part 2-50: Indoor cables - Family specification for simplex and duplex cables for use in terminated cable assemblies

La CEI 60794-2-50:2008 donne les exigences pour les câbles simplex et duplex à fibres optiques utilisés dans des ensembles de câbles équipés ou en vue de la finition par des composants passifs à fibres optiques. La présente norme annule et remplace la CEI/PAS 60794-2-50 parue en 2004. La présente norme doit être lue conjointement avec la CEI 60794-1-1, la CEI 60794-1-2 et la CEI 60794-2.

Lichtwellenleiterkabel - Teil 2-50: LWL-Innenkabel - Familienspezifikation für Simplex- und Duplexkabel für den Einsatz als konfektioniertes Kabel

Câbles à fibres optiques - Partie 2-50: Câbles intérieurs - Spécification de famille pour les câbles simplex et duplex utilisés dans les ensembles de câbles équipés

PE

Optični kabli - 2-50. del: Optični kabli za zaprte prostore - Skupinska specifikacija za simpleksne in dupleksne kable za zaključene kabelske sestave (IEC 60794-2-50:2008)

General Information

• Status: Withdrawn
• Publication Date: 11-Jun-2008
• Withdrawal Date: 31-May-2011
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: CLC/TC 86A - Optical fibres and optical fibre cables
• Drafting Committee: IEC/SC 86A - IEC_SC_86A
• Parallel Committee: IEC/SC 86A - IEC_SC_86A
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 14-Feb-2023
• Completion Date: 14-Feb-2023
• Ref Project: SIST EN 60794-2-50:2008 - Optical fibre cables -- Part 2-50: Indoor cables - Family specification for simplex and duplex cables for use in terminated cable assemblies

Relations

• Replaced By: EN IEC 60794-2-50:2020 - Optical fibre cables - Part 2-50: Indoor cables - Family specification for simplex and duplex cables for use in terminated cable assemblies
• Effective Date: 26-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2008
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]DVLPSOHNVQHLQGXSOHNVQHNDEOH]D]DNOMXþHQHNDEHOVNHVHVWDYH,(&

Optical fibre cables - Part 2-50: Indoor optical fibre cables - Family specification for
simplex and duplex cables for use in terminated cable assemblies (IEC 60794-2-
50:2008)
Lichtwellenleiterkabel - Teil 2-50: LWL-Innenkabel - Familienspezifikation für Simplex-
und Duplexkabel für den Einsatz als Patchkabel (IEC 60794-2-50:2008)
Câbles à fibres optiques - Partie 2-50: Câbles intérieurs - Spécification de famille pour
les câbles simplex et duplex utilisés dans les ensembles de câbles équipés (CEI 60794-
2-50:2008)
Ta slovenski standard je istoveten z: EN 60794-2-50:2008
ICS:
33.180.10 2SWLþQDYODNQDLQNDEOL Fibres and cables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60794-2-50
NORME EUROPÉENNE
June 2008
EUROPÄISCHE NORM
ICS 33.180.10
English version
Optical fibre cables -
Part 2-50: Indoor cables -
Family specification for simplex and duplex cables
for use in terminated cable assemblies
(IEC 60794-2-50:2008)
Câbles à fibres optiques -  Lichtwellenleiterkabel -
Partie 2-50: Câbles intérieurs - Teil 2-50: LWL-Innenkabel -
Spécification de famille pour Familienspezifikation
les câbles simplex et duplex utilisés für Simplex- und Duplexkabel
dans les ensembles de câbles équipés für den Einsatz als Patchkabel
(CEI 60794-2-50:2008) (IEC 60794-2-50:2008)

This European Standard was approved by CENELEC on 2008-06-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

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

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60794-2-50:2008 E
Foreword
The text of document 86A/1204/FDIS, future edition 1 of IEC 60794-2-50, prepared by SC 86A, Fibres
and cables, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as EN 60794-2-50 on 2008-06-01.
This standard is to be used in conjunction with EN 60794-1-1, EN 60794-1-2 and EN 60794-2.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2009-03-01
– latest date by which the national standards conflicting
(dow) 2011-06-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60794-2-50:2008 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60794-2-50:2008
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
NOTE 2 Where a standard cited below belongs to the EN 50000 series, the European Standard applies instead of the relevant
International Standard.
Publication Year Title EN/HD Year

1) 2)
IEC 60068-2-14 - Environmental testing - EN 60068-2-14 1999
Part 2: Tests - Test N: Change of temperature

1)
IEC 60189-1 - Low-frequency cables and wires with PVC - -
insulation and PVC sheath -
Part 1: General test and measuring methods

1) 2)
IEC 60793-1-1 - Optical fibres - EN 60793-1-1 2008
Part 1-1: Measurement methods and test
procedures - General and guidance

1) 2)
IEC 60793-1-20 - Optical fibres - EN 60793-1-20 2002
Part 1-20: Measurement methods and test
procedures - Fibre geometry
1) 2)
IEC 60793-1-21 - Optical fibres - EN 60793-1-21 2002
Part 1-21: Measurement methods and test
procedures - Coating geometry
1) 2)
IEC 60793-1-40 - Optical fibres - EN 60793-1-40 2003
(mod) Part 1-40: Measurement methods and test
procedures - Attenuation
1) 2)
IEC 60793-1-46 - Optical fibres - EN 60793-1-46 2002
Part 1-46: Measurement methods and test
procedures - Monitoring of changes in optical
transmittance
1) 2)
IEC 60793-2-10 - Optical fibres - EN 60793-2-10 2007
Part 2-10: Product specifications - Sectional
specification for category A1 multimode fibres

1) 3)
IEC 60793-2-50 - Optical fibres - EN 60793-2-50 200X
Part 2-50: Product specifications - Sectional
specification for class B single-mode fibres

1) 2)
IEC 60794-1-1 - Optical fibre cables - EN 60794-1-1 2002
Part 1-1: Generic specification - General

1) 2)
IEC 60794-1-2 - Optical fibre cables - EN 60794-1-2 2003
Part 1-2: Generic specification - Basic optical
cable test procedures
1) 2)
IEC 60794-2 - Optical fibre cables - EN 60794-2 2003
Part 2: Indoor cables - Sectional specification

1)
Undated reference.
2)
Valid edition at date of issue.
3)
To be ratified.
Publication Year Title EN/HD Year

1) 2)
IEC 60811-1-3 - Insulating and sheathing materials of electric EN 60811-1-3 1995
and optical cables - Common test methods -
Part 1-3: General application - Methods for
determining the density - Water absorption
tests - Shrinkage test
1) 2)
IEC 60811-1-4 - Insulating and sheathing materials of electric EN 60811-1-4 1995
and optical cables - Common test methods -
Part 1-4: General application - Tests at low
temperature
1) 4) 1)
ISO/IEC 11801 - Information technology - Generic cabling for EN 50173-1 and -
5)
customer premises EN 50173-2
4)
The title of EN 50173-1 is: Information technology – Generic cabling systems – Part 1: General requirements.
5)
The title of EN 50173-2 is: Information technology – Generic cabling systems – Part 2: Office premises.

IEC 60794-2-50
Edition 1.0 2008-04
INTERNATIONAL
STANDARD
Optical fibre cables –
Part 2-50: Indoor cables – Family specification for simplex and duplex cables
for use in terminated cable assemblies

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
V
ICS 33.180-10 ISBN 2-8318-9738-6

– 2 – 60794-2-50 © IEC:2008(E)
CONTENTS
FOREWORD.4
1 Scope.6
2 Normative references .6
3 Terms and definitions .7
4 Construction .7
4.1 General .7
4.2 Optical fibres and primary coating .7
4.3 Buffer .7
4.4 Tube.8
4.5 Strength and anti-buckling members .8
4.6 Sheath .8
4.7 Sheath marking .8
4.8 Examples of cable constructions .8
5 Tests .8
5.1 Dimensions .9
5.2 Mechanical requirements.9
5.2.1 Tensile performance.9
5.2.2 Crush .9
5.2.3 Impact .10
5.2.4 Repeated bending .10
5.2.5 Bend.10
5.2.6 Torsion .11
5.2.7 Bend at low temperature.11
5.2.8 Kink.11
5.2.9 Sheath pull-off force .11
5.2.10 Buffered fibre movement in compression .12
5.3 Environmental requirements .12
5.3.1 Temperature cycling .12
5.3.2 Sheath shrinkage.12
5.4 Transmission requirements .13
5.5 Fire performance.13
Annex A (informative) Examples of some types of cable construction .14
Annex B (normative) METHOD E21 – Sheath pull-off force for optical fibre cable for
use in patch cords .17
Annex C (normative) METHOD F11 – Sheath shrinkage for optical fibre cable for use
in patchcords .22
Annex D (normative) METHOD E22 – Buffered fibre movement under compression in
optical fibre cables for use in patchcords .24
Annex E (normative) METHOD F12 – Temperature cycling for optical fibre cable for
use in patchcords .26
Annex F (normative) – Guidance on the selection of tests applicable to optical fibre
cables for use in patchcords .28
Bibliography.31

Figure A.1 – Simplex loose non-buffered fibre cable .
Figure A.2 – Simplex ruggedized fibre cable .14

60794-2-50 © IEC:2008(E) – 3 –
Figure A.3 – Duplex loose non-buffered fibre cable.14
Figure A.4 – Duplex ruggedized fibre cable.15
Figure A.5 – Duplex ruggedized fibre zip cord.15
Figure A.6 – Duplex ruggedized flat cable.15
Figure A.7 – Duplex ruggedized round cable.16
Figure B.1 – Schematic of test arrangement .19
Figure B.2 – Example of pulling jig.20
Figure B.3 – Cable sample preparation .21
Figure D.1 – Test set up for fibre movement under compression.
...