Abstract

1.1   Product definition This European Standard contains the initial, start of life dimensional, optical, mechanical and environmental performance requirements that an SC-RJ connector set with one side protected by an industrial housing with the fibres terminated with cylindrical zirconia PC ferrules, an adaptor fitted with resilient alignment sleeves and patchcord shall meet in order for it to be categorised as an EN standard product. The product is rated IP67. Since different variants are permitted, product marking details are given in 3.6. 1.2   Intermateability Products conforming to the requirements of this specification will intermate and give the specified level of random attenuation and random return loss performance, provided that the same fibre type is used. The intention is that this will be true irrespective of the manufacturing source(s) of the product. 1.3   Operating environment The tests selected combined with the severities and durations, specified as category I, are intended to reflect, although they do not necessarily satisfy all the requirements of the boundary conditions of M3I3C3E3. 1.4   Reliability Whilst the anticipated service life expectancy of the product in this environment is 20 years, compliance with this specification does not guarantee the reliability of the product. This should be predicted using a recognised reliability assessment programme. 1.5   Quality assurance Compliance with this specification does not guarantee the manufacturing consistency of the product. This should be maintained using a recognised quality assurance programme.

Status
Published
Public Enquiry End Date
31-Jan-2010
Publication Date
22-Nov-2011
Technical Committee
iTEL - Communication cables
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
18-Nov-2011
Due Date
23-Jan-2012
Completion Date
23-Nov-2011

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SIST EN 50516-1-1:2012

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SIST EN 50516-1-1:2012 is a Slovenian standard published by SIST for SC-RJ PC industrial connector sets used in optical fibre control and communication systems. It specifies start-of-life dimensional, optical, mechanical and environmental requirements for products terminated on EN 60793-2-10 category A1a and A1b multimode fibre for category I industrial environments. It is aimed at manufacturers, test laboratories, quality teams and buyers who need an IP67 industrial connector set with defined mating performance and qualification testing.

What does SIST EN 50516-1-1:2012 specify?

SIST EN 50516-1-1:2012 specifies the product definition, construction, dimensions, tests and qualification requirements for an SC-RJ industrial connector set with a protected side in an industrial housing. The standard is written for connector sets that use cylindrical zirconia PC ferrules, resilient alignment sleeves and a patchcord, and that are intended to perform in industrial environments.

The document is organized into clauses 1 to 8 and Annexes A to F.

AnnexWhat it covers
Annex AAttenuation against reference connectors and reference connector details
Annex BSample size and product sourcing requirements
Annex CDetails of environmental classification from EN 50173-1 (MICE)
Annex DDetails of sample construction and test specimens
Annex ETest setup for the bending moment test
Annex FPatent statement concerning SC-RJ industrial connectors

What are the key requirements of SIST EN 50516-1-1:2012?

SIST EN 50516-1-1:2012 sets out the minimum start-of-life performance that an industrial SC-RJ connector set must meet before it can be treated as an EN standard product. In practice, the standard is about fit, mating performance, optical loss, environmental resistance and documentation.

  • Product definition and environment - Clause 1 defines an SC-RJ connector set with industrial housing, zirconia PC ferrules, resilient alignment sleeves and IP67 rating. The tests are selected for category I industrial environments and are intended to reflect the boundary conditions of M3I3C3E3. For users, this tells you the product is meant for harsh industrial installation rather than general office cabling.

  • Intermateability - Clause 1 states that conforming products intermate and achieve the specified random attenuation and random return loss when the same fibre type is used, regardless of manufacturing source. In practice, this is what allows mixed sourcing and replacement parts to be used without changing the connector family.

  • Construction, marking and variants - Clause 3 describes the plug, adaptor, sealing arrangement, dust caps, keys and coupling mechanism, and Clause 3.6 gives the marking order: manufacturer identification, date code, part number and variant identification. Clause 4 limits the permitted plug and adaptor variants. This matters because procurement and production teams need the exact variant code to order, mark and trace the right assembly.

  • Dimensional control - Clause 5 fixes outline dimensions and mating-face limit dimensions for the plug and adaptor, and ties the plug mating face to EN 61754-24-21. Clause 5.2.2 also defines ferrule endface geometry and fibre core position, including the allowable undercut relationship. This is the part that controls whether the connector mates correctly and whether optical performance is repeatable.

  • Optical qualification - Clause 8.2 uses visual inspection, end-face examination, random-mate attenuation and return loss testing. The reference wavelengths and source and detector conditions are specified, and the performance classes are Grade Bm and Grade 2m. For the reader, this means the document tells you how optical loss is checked, not just what the connector looks like.

  • Mechanical qualification - Clause 8.3 covers vibration, mating durability, fibre/cable retention, coupling strength, impact, torsion, cable nutation, bending moment, shock and crush resistance. These tests show whether the connector survives handling, mounting and service loads typical of industrial use.

  • Environmental qualification - Clause 8.4 covers temperature change, dust, damp heat cyclic, industrial atmosphere, salt mist, resistance to solvents and contaminating fluids, and water immersion under IP67-related conditions. This is what a buyer or quality manager uses to judge whether the connector is suitable for the intended installation environment.

  • Sampling, pass/fail and reporting - Clause 6 requires random sample selection, gives the test sequence rules and states that any failure leads to retesting with double sample size. Clause 7 requires a fully documented test report. In practice, this supports product qualification, supplier approval and audit evidence.

What terms does SIST EN 50516-1-1:2012 define?

  • SC-RJ - The connector family used in this standard, arranged as a duplex plug/adaptor system with a latched coupling mechanism.
  • PC - Physical contact, meaning the ferrule end faces are polished for physical contact mating.
  • IP67 - The ingress protection rating used for the product definition, indicating the connector set is intended for protected industrial use.
  • Grade Bm - The optical attenuation performance grade used for random-mated connectors in this standard.
  • Grade 2m - The return loss performance grade used for random-mated connectors in this standard.
  • MM - Multimode fibre, used here for the permitted 50 µm and 62.5 µm fibre variants.
  • MICE - The environmental classification referenced in the scope when describing the industrial operating conditions.

Who uses SIST EN 50516-1-1:2012?

SIST EN 50516-1-1:2012 is used by connector manufacturers, cable assembly makers, test laboratories, installers, and industrial network specifiers. Buyers and quality managers use it to define accepted variants, check marking and traceability, and confirm that the connector set has been qualified for industrial environments. It is also relevant in optical fibre control and communication systems where intermateability, sealing and environmental durability matter.

What changed in SIST EN 50516-1-1:2012 from the previous edition?

SIST EN 50516-1-1:2012 is identical to EN 50516-1-1:2011.

Which standards are used with SIST EN 50516-1-1:2012?

  • EN 60793-2-10 - Defines the multimode fibre categories A1a and A1b used for termination.
  • EN 60529 - Provides the IP Code framework used for the IP67 rating and water-ingress testing context.
  • EN 60874-1 - Gives the connector marking rules used in Clause 3.6.
  • EN 61300 series - Supplies the basic test and measurement methods used throughout Clauses 6 and 8.
  • EN 61300-3-4, EN 61300-3-6, EN 61300-3-10, EN 61300-3-15, EN 61300-3-16, EN 61300-3-23, EN 61300-3-34 and EN 61300-3-35 - Provide the specific attenuation, return loss, gauge retention, ferrule geometry and end-face inspection methods used in qualification.
  • EN 61754-24 and EN 61754-24-21 - Define the SC-RJ connector interface and the protected housing interface used by the plug.
  • EN 61753-1 and IEC 61753-1-3 - Provide the performance-standard context for connector qualification in industrial environments.
  • EN 50377-6-1 and EN 50377-6-2 - Cover related SC-RJ connector products used as references in the description of the adaptor and mating arrangement.
  • EN 60068-2-60 - Supplies the mixed-gas industrial atmosphere test used in environmental qualification.

What does the SIST EN 50516-1-1:2012 document contain?

SIST EN 50516-1-1:2012 contains outline drawings for the plug and adaptor, mating-face limit dimensions, ferrule endface geometry figures and the allowable undercut relationship. It also includes tables for product variants, colour scheme, optical performance, mechanical performance and environmental performance.

The document provides test sequences, sampling rules, pass/fail rules and a reporting requirement, so it can be used directly for qualification work. Annex A gives the reference-connector approach for attenuation checks, Annex B gives sample sourcing and quantities, and Annex E gives the bending moment test setup.

Relations

Effective Date
01-Feb-2013
Effective Date
01-Oct-2012

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Frequently Asked Questions

SIST EN 50516-1-1:2012 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Industrial connector sets and interconnect components to be used in optical fibre control and communication systems - Product specifications - Part 1-1: Type SC-RJ PC industrial terminated on EN 60793-2-10 category A1a and A1b multimode fibre to meet the requirements of category I (industrial environments) as specified in IEC/PAS 61753-X-Y". This standard covers: 1.1 Product definition This European Standard contains the initial, start of life dimensional, optical, mechanical and environmental performance requirements that an SC-RJ connector set with one side protected by an industrial housing with the fibres terminated with cylindrical zirconia PC ferrules, an adaptor fitted with resilient alignment sleeves and patchcord shall meet in order for it to be categorised as an EN standard product. The product is rated IP67. Since different variants are permitted, product marking details are given in 3.6. 1.2 Intermateability Products conforming to the requirements of this specification will intermate and give the specified level of random attenuation and random return loss performance, provided that the same fibre type is used. The intention is that this will be true irrespective of the manufacturing source(s) of the product. 1.3 Operating environment The tests selected combined with the severities and durations, specified as category I, are intended to reflect, although they do not necessarily satisfy all the requirements of the boundary conditions of M3I3C3E3. 1.4 Reliability Whilst the anticipated service life expectancy of the product in this environment is 20 years, compliance with this specification does not guarantee the reliability of the product. This should be predicted using a recognised reliability assessment programme. 1.5 Quality assurance Compliance with this specification does not guarantee the manufacturing consistency of the product. This should be maintained using a recognised quality assurance programme.

1.1 Product definition This European Standard contains the initial, start of life dimensional, optical, mechanical and environmental performance requirements that an SC-RJ connector set with one side protected by an industrial housing with the fibres terminated with cylindrical zirconia PC ferrules, an adaptor fitted with resilient alignment sleeves and patchcord shall meet in order for it to be categorised as an EN standard product. The product is rated IP67. Since different variants are permitted, product marking details are given in 3.6. 1.2 Intermateability Products conforming to the requirements of this specification will intermate and give the specified level of random attenuation and random return loss performance, provided that the same fibre type is used. The intention is that this will be true irrespective of the manufacturing source(s) of the product. 1.3 Operating environment The tests selected combined with the severities and durations, specified as category I, are intended to reflect, although they do not necessarily satisfy all the requirements of the boundary conditions of M3I3C3E3. 1.4 Reliability Whilst the anticipated service life expectancy of the product in this environment is 20 years, compliance with this specification does not guarantee the reliability of the product. This should be predicted using a recognised reliability assessment programme. 1.5 Quality assurance Compliance with this specification does not guarantee the manufacturing consistency of the product. This should be maintained using a recognised quality assurance programme.

SIST EN 50516-1-1:2012 is classified under the following ICS (International Classification for Standards) categories: 33.180.20 - Fibre optic interconnecting devices. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 50516-1-1:2012 has the following relationships with other standards: It is inter standard links to SIST EN 50516-1-1:2012/AC:2013, SIST EN 50516-1-1:2012/AC:2012. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 50516-1-1:2012 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-januar-2012
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NRWMHVSHFLILFLUDQDY,(&3$6;<
Industrial connector sets and interconnect components to be used in optical fibre control
and communication systems - Product specifications - Part 1-1: Type SC-RJ PC
industrial terminated on EN 60793-2-10 category A1a and A1b multimode fibre to meet
the requirements of category I (industrial environments) as specified in IEC/PAS 61753-X
-Y
Industrie-Steckverbindersätze und Verbindungsbauelemente für Lichtwellenleiter-
Steuerungs- und Datenübertragungssysteme - Produktnormen - Teil 1-1:
Industriesteckverbinder der Bauart SC-RJ-PC zum Anschluss an Mehrmodenfasern der
Typen A1a und A1b nach EN 60793-2-10 für die Kategorie I (Industrieumgebung) nach
den Festlegungen in IEC 61753-1-3
Jeux de connecteurs industriels et composants d’interconnexion à utiliser dans les
systèmes de communication et de commande par fibres optiques - Spécifications de
produit - Partie 1 1: Type SC RJ PC industriel câblés sur fibre multimodale des
catégories A1a et A1b de la norme EN 60793-2-10 pour satisfaire aux exigences de la
catégorie I (environnements industriels) comme cela est spécifié dans la CEI 61753-1-3
Ta slovenski standard je istoveten z: EN 50516-1-1:2011
ICS:
33.180.20 3RYH]RYDOQHQDSUDYH]D Fibre optic interconnecting
RSWLþQDYODNQD devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 50516-1-1
NORME EUROPÉENNE
November 2011
EUROPÄISCHE NORM
ICS 33.180.20
English version
Industrial connector sets and interconnect components to be used in
optical fibre control and communication systems -
Product specifications -
Part 1-1: Type SC-RJ PC industrial terminated on EN 60793-2-10 category
A1a and A1b multimode fibre to meet the requirements of category I
(industrial environments) as specified in IEC 61753-1-3

Jeux de connecteurs industriels et Industrie-Steckverbindersätze und
composants d’interconnexion à utiliser Verbindungsbauelemente für
dans les systèmes de communication et Lichtwellenleiter-Steuerungs- und
de commande par fibres optiques - Datenübertragungssysteme -
Spécifications de produit - Produktnormen -
Partie 1 1: Type SC RJ PC industriel Teil 1-1: Industriesteckverbinder der
câblés sur fibre multimodale des Bauart SC-RJ-PC zum Anschluss an
catégories A1a et A1b de la norme EN Mehrmodenfasern der Typen A1a und
60793-2-10 pour satisfaire aux exigences A1b nach EN 60793-2-10 für die
de la catégorie I (environnements Kategorie I (Industrieumgebung) nach den
industriels) comme cela est spécifié dans Festlegungen in IEC 61753-1-3
la CEI 61753-1-3
This European Standard was approved by CENELEC on 2011-07-19. 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 CEN-CENELEC Management Centre 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 CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, 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

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50516-1-1:2011 E
Contents
Foreword . 4
Introduction . 5
1 Scope . 8
1.1 Product definition . 8
1.2 Intermateability . 8
1.3 Operating environment . 8
1.4 Reliability . 8
1.5 Quality assurance . 8
2 Normative references . 8
3 Description . 10
3.1 General . 10
3.2 Plug . 10
3.3 Adaptor . 10
3.4 Materials . 10
3.5 Dimensions . 10
3.6 Colour and marking . 11
4 Variants . 12
4.1 Terminated plug . 12
4.2 Adaptor . 12
4.3 Identification of variants . 12
5 Dimensional requirements . 13
5.1 Outline dimensions . 13
5.2 Mating face and other limit dimensions . 16
6 Tests . 23
6.1 Sample size . 23
6.2 Test and measurement methods . 24
6.3 Test sequence . 24
6.4 Pass/fail criteria . 24
7 Test report . 24
8 Product qualification requirements . 24
8.1 Dimensional and marking requirements. 24
8.2 Optical performance requirements . 25
8.3 Mechanical performance requirements . 26
8.4 Environmental performance requirements . 30
Annex A (informative) Attenuation against reference . 33
A.1 Test details . 33
A.2 Reference SC-RJ connector details . 33
Annex B (normative) Sample size and product sourcing requirements . 34
Annex C (informative) Details of environmental classification out of EN 50173-1 (MICE) . 35
Annex D (informative) Details of sample construction . 36
Annex E (normative) Test setup – Bending moment test . 37
Annex F (informative) Patent statement concerning SC-RJ industrial connectors. 38
Bibliography . 39

– 3 – EN 50516-1-1:2011
Figures
Figure 1 – Outline dimensions – Plug . 13
Figure 2 – Outline dimensions – Fixed adaptor . 14
Figure 3 – Outline dimensions – Cut out for fixed adaptor mounting . 15
Figure 4 – Plug mating face and other limit dimensions . 16
Figure 5 – Ferrule endface geometry – After termination . 18
Figure 6 – Positioning of fibre core . 18
Figure 7 – Positioning of two fibre cores relative to each other . 19
Figure 8 – Ferrule endface geometry – Allowable undercut . 20
Figure 9 – Adaptor mating face and other limit dimensions . 21
Figure 10 – Pin gauge for adaptor . 23
Figure D.1 – Example of test specimen for Tests 1 – 13 . 36
Figure D.2 – Example of test specimen for Tests 14 – 19 . 36
Figure E.1 – Point of application of the load . 37

Tables
Table 1 – Preferred colour scheme . 11
Table 2 – Terminated plug – Plug variants . 12
Table 3 – Terminated plug – Adaptor variants . 12
Table 4 – Identification of plug variants . 12
Table 5 – Identification of adaptor variants . 12
Table 6 – Geometrical parameters . 19
Table 7 – Optical performance requirements . 25
Table 8 – Mechanical performance requirements . 26
Table 9 – Environmental performance requirements . 30
Table A.1 – Attenuation measurement: Test details . 33
Table B.1 – Sample size and product sourcing requirements . 34
Table C.1 . 35

Foreword
This European Standard was prepared by the Technical Committee CENELEC TC 86BXA, Fibre optic
interconnect, passive and connectorised components.
The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50516-1-1 on
2011-07-19.
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) 2012-07-19
– latest date by which the national standards conflicting

with the EN have to be withdrawn
(dow) 2014-07-19
CENELEC draws attention to the fact that it is claimed that compliance with this document may involve the
use of a patent concerning SC-RJ industrial connectors (see declaration in Annex F).
All potential patent issues concerning this product are covered by IEC patent statement (see
EN 61754-24-21).
__________
– 5 – EN 50516-1-1:2011
Introduction
CENELEC draws attention to the fact that it is claimed that compliance with this document may involve the
use of a patent concerning Fiber Optic Connector Interface - SC-RJ Industrial given in Annex F.
CENELEC takes no position concerning the evidence, validity and scope of this patent right.
The holder of this patent right has assured CENELEC that he/she is willing to negotiate licences under
reasonable and non-discriminatory terms and conditions with applicants throughout the world. In this respect,
the statement of the holder of this patent right is registered with CENELEC.
Information may be obtained from:
Reichle & De-Massari AG
Binzstrasse 31
CH - 8622 Wetzikon ZH
Switzerland
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights other than those identified above. CENELEC shall not be held responsible for identifying any or all such
patent rights.
Industrial connector sets and interconnect components to be used in optical fibre control and communication
systems – Product specifications
Part 1-1: Type SC-RJ PC industrial terminated on EN 60793-2-10 category A1a and A1b multimode fibre to meet the
requirements of category I (industrial environments) as specified in IEC 61753-1-3
Description Performance
Coupling mechanism: Latched with sealing Application: For the use in category I
(industrial environment)
Configuration: Plug / adaptor / Attenuation Grade Bm
plug with one side of the (random mate): Mean ≤ 0,35 dB and
configuration having a ≤ 0,60 dB for ≥ 97 % of
protective shell measurements
Fibre category: EN 60793-2-10
Types A1a and A1b
Cable type: See Table 3 Return loss: Grade 2m
≥ 20 dB
Related documents:
EN 50173-1 Information technology – Generic cabling systems – Part 1: General requirements
EN 50173-3 Information technology – Generic cabling systems – Part 3: Industrial premises
EN 60529 Degrees of protection provided by enclosures (IP Code) (IEC 60529)
EN 60794-3 Optical fibre cables – Part 3: Sectional specification – Outdoor cables (IEC 60794-3)
EN 61076-3-106 Connectors for electronic equipment – Product requirements – Part 3-106: Rectangular
connectors – Detail specification for protective housings for use with 8-way shielded and
unshielded connectors for industrial environments incorporating the IEC 60603-7 series
interface (IEC 61076-3-106)
EN 61300 series Fibre optic interconnecting devices and passive components – Basic test and measurement
procedures (IEC 61300 series)
EN 61753-1 Fibre optic interconnecting devices and passive components performance standard –
Part 1: General and guidance for performance standards (IEC 61753-1)

EN 61754-24 Fibre optic interconnecting devices and passive components – Fibre optic connector
interfaces – Part 24: Type SC-RJ connector family (IEC 61754-24)
1)
IEC 61753-1-3 Fibre optic interconnecting devices and passive components – Performance standard –
Part 1-3: General and guidance for single-mode fibre optic connector performance for harsh
industrial operating conditions

1)
At draft stage.
– 7 – EN 50516-1-1:2011
Outline and maximum dimensions of plug with protective shell:

1 Scope
1.1 Product definition
This European Standard contains the initial, start of life dimensional, optical, mechanical and environmental
performance requirements that an SC-RJ connector set with one side protected by an industrial housing with the
fibres terminated with cylindrical zirconia PC ferrules, an adaptor fitted with resilient alignment sleeves and
patchcord shall meet in order for it to be categorised as an EN standard product. The product is rated IP67.
Since different variants are permitted, product marking details are given in 3.6.
1.2 Intermateability
Products conforming to the requirements of this specification will intermate and give the specified level of
random attenuation and random return loss performance, provided that the same fibre type is used. The
intention is that this will be true irrespective of the manufacturing source(s) of the product.
1.3 Operating environment
The tests selected combined with the severities and durations, specified as category I, are intended to reflect,
although they do not necessarily satisfy all the requirements of the boundary conditions of M I C E .
3 3 3 3
1.4 Reliability
Whilst the anticipated service life expectancy of the product in this environment is 20 years, compliance with
this specification does not guarantee the reliability of the product. This should be predicted using a
recognised reliability assessment programme.
1.5 Quality assurance
Compliance with this specification does not guarantee the manufacturing consistency of the product. This
should be maintained using a recognised quality assurance programme.
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 50377-6-1 Connector sets and interconnect components to be used in optical fibre
communication systems – Product specifications – Part 6-1: Type SC-RJ terminated
on IEC 60793-2 category A1a and A1b multimode fibre
EN 50377-6-2 Connector sets and interconnect components to be used in optical fibre
communication systems – Product specifications – Part 6-2: SC-RJ single mode
terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, category U
EN 60068-2-60 Environmental testing – Part 2: Tests – Test Ke: Flowing mixed gas corrosion test
(IEC 60068-2-60)
EN 60529 Degrees of protection provided by enclosures (IP Code) (IEC 60529)
EN 60793-2-10 Optical fibres – Part 2-10: Product specifications – Sectional specification for
category A1 multimode fibres (IEC 60793-2-10)
EN 60874-1 Connectors for optical fibres and cables – Part 1: Generic specification
(IEC 60874-1)
EN 61300-1 Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 1: General and guidance (IEC 61300-1)
EN 61300-2-1 Part 2-1: Tests – Vibration (sinusoidal) (IEC 61300-2-1)

– 9 – EN 50516-1-1:2011
EN 61300-2-2 Part 2-2: Tests – Mating durability (IEC 61300-2-2)
EN 61300-2-4 Part 2-4: Tests – Fibre/cable retention (IEC 61300-2-4)
EN 61300-2-5 Part 2-5: Tests – Torsion (IEC 61300-2-5)
EN 61300-2-6 Part 2-6: Tests – Tensile strength of coupling mechanism (IEC 61300-2-6)
EN 61300-2-7 Part 2-7: Tests – Bending moment (IEC 61300-2-7)
EN 61300-2-9 Part 2-9: Tests – Shock (IEC 61300-2-9)
EN 61300-2-10 Part 2-10: Tests – Crush resistance (IEC 61300-2-10)
EN 61300-2-12 Part 2-12: Tests – Impact (IEC 61300-2-12)
EN 61300-2-22 Part 2-22: Tests – Change of temperature (IEC 61300-2-22)
EN 61300-2-26 Part 2-26: Tests – Salt mist (IEC 61300-2-26)
EN 61300-2-27 Part 2-27: Tests – Dust – Laminar flow (IEC 61300-2-27)
EN 61300-2-34 Part 2-34: Tests – Resistance to solvents and contaminating fluids of interconnecting
components and closures (IEC 61300-2-34)
EN 61300-2-35 Part 2-35: Tests – Cable nutation (IEC 61300-2-35)
EN 61300-2-46 Part 2-46: Tests – Damp heat cyclic (IEC 61300-2-46)
EN 61300-3-1 Part 3-1: Examinations and measurements – Visual examination (IEC 61300-3-1)
EN 61300-3-6 Part 3-6: Examinations and measurements – Return loss (IEC 61300-3-6)
EN 61300-3-15 Part 3-15: Examinations and measurements – Dome eccentricity of a convex
polished ferrule endface (IEC 61300-3-15)
EN 61300-3-16 Part 3-16: Examinations and measurements – Endface radius of spherically polished
ferrules (IEC 61300-3-16)
EN 61300-3-23 Part 3-23: Examination and measurements – Fibre position relative to ferrule endface
(IEC 61300-3-23)
EN 61300-3-28 Part 3-28: Examinations and measurements – Transient loss (IEC 61300-3-28)
EN 61300-3-34 Part 3-34: Examinations and measurements – Attenuation of random mated
connectors (IEC 61300-3-34)
EN 61300-3-35 Part 3-35: Examinations and measurements – Fibre optic connector endface visual
and automated inspection (IEC 61300-3-35)
EN 61754-24-21 Fibre optic interconnecting devices and passive components – Fibre optic connector
interfaces – Part 24-21: Type SC-RJ connectors with protective housings based on
IEC 61076-3-106, variant 06 (IEC 61754-24-21)
2)
IEC 61753-1-3 Fibre optic interconnecting devices and passive components – Performance
standard – Part 1-3: General and guidance for single-mode fibre optic connector
performance for harsh industrial operating conditions

2)
At draft stage.
3 Description
3.1 General
The SC-RJ industrial connector is a duplex plug connector set of plug / adaptor / plug configuration with one
side having a protective shell characterised with two cylindrical, spring loaded butting ferrules of 2,5 mm
nominal diameter and a latched coupling mechanism. The optical alignment mechanism of the connectors is
of a resilient sleeve style.
3.2 Plug
The plug consists of an SC-RJ connector interface and a housing part. These two parts have to be in the
defined position to each other (see Figure 1 and Figure 3) to guarantee correct mating. The sealing is made
between a gasket or o-ring (placed on the housing) and the adaptor frame fixed by two clamps. A cover (dust
cap) to protect the ferrule endface when the plug is in the unmated condition shall be provided. The sealing
shall also be guaranteed between the connector and the dust cap.
The plug features two cylindrical full zirconia ferrules and a push-pull coupling mechanisms. Alternative
materials may be used for the ferrule that have directly compatible material properties as zirconia, but the
endface and performance requirements shall be met under all conditions.
The plug has three male keys. Two of them are used to limit the relative rotation between mated SC simplex
plugs and one gives the orientation to the duplex connector.
However, no primary pre-alignment is provided.
3.3 Adaptor
The adaptor consists of an SC-RJ adaptor as it is described in EN 50377-6-1 and EN 50377-6-2 and a
mounting frame. These two parts have to be correctly positioned in relation to each other (see Figure 2 and
Figure 3) to ensure sealing. The mounting frame itself shall be mounted onto an equipment (e.g. on a sealed
box) with a gasket to guarantee the sealing between adaptor and whole used equipment. Preferred cut out
dimensions to maintain sealing are given in Figure 3.
At the rear of the adaptor, there can be either an SC-RJ or two SC simplex connectors.
The adaptor consists of two zirconia ceramic resilient alignment sleeves and two push-pull coupling
mechanisms, one for each sleeve. Alternative materials may be used for the sleeve that have directly
compatible material properties as zirconia but the performance requirements shall be met under all
conditions.
The adaptor housing has three female keys. Two of them are used to limit the relative rotation between
mated SC simplex plugs and one gives the orientation to the duplex connector.
Covers (dust caps) shall be provided to protect each duplex port of the adaptor.
3.4 Materials
Materials which are not specified or which are not specifically described are left to the discretion of the
manufacturer.
3.5 Dimensions
Outline dimensions and other dimensions necessary to ensure intermateability or which affect performance
are specified. All other dimensions are left to the discretion of the manufacturer. Where the mating face limit
dimensions are not in agreement with an EN interface standard this is clearly stated.

– 11 – EN 50516-1-1:2011
3.6 Colour and marking
Marking of the product shall be in accordance with EN 60874-1, in the following order of precedence:
a) identification of manufacturer;
b) manufacturing date code: year / week;
c) manufacturers part number;
d) variant identification number.
The preferred colour scheme is given in Table 1.
Table 1 – Preferred colour scheme
De-latch housing SC-RJ plug Adaptor
Beige / black Beige / black
NOTE The preferred beige is RAL 1014 and black RAL 9005. Other not listed parts
could also be of the preferred colour to show the colour scheme.

4 Variants
4.1 Terminated plug
The following cable variants are permitted:
Table 2 – Terminated plug – Plug variants
Variant number Cable diameter Structure Note
M01 (50 µm, MM) 5,0 mm – 8,5 mm Reinforced duplex cable The non circularity shall be
M02 (62,5 µm, MM) less than 10 % of cable
diameter.
4.2 Adaptor
The following variants are permitted:
Table 3 – Terminated plug – Adaptor variants
Variant number Format
01 Fixed adaptor
(mounting frame e.g. fixed on a
sealed box / sealed connector
outside)
4.3 Identification of variants
The identification numbers for the cable variants and adaptor variants are given in Tables 4 and 5.
Table 4 – Identification of plug variants
Variant number Identification number
M01 EN 50516-1-1-M01
M02 EN 50516-1-1-M02
Table 5 – Identification of adaptor variants
Variant number Identification number
01 EN 50516-1-1-01
– 13 – EN 50516-1-1:2011
5 Dimensional requirements
5.1 Outline dimensions
5.1.1 Plug
Variants No. M01 and M02
a) b)
Ref. Dimensions Note
min. mm max.
A 130
B 128
C 60
D 14,5 14,8
E 36 40
F 18 19
G 19,5 20
Figure 1 – Outline dimensions – Plug

5.1.2 Adaptor
Variant No. 01 Fixed adaptor
a) b)
Ref. Dimensions Note
min. mm max.
H 29,6 29,8
I 12,9 13,1
J 39,2
K 3.95 4,05
L 7,9 8,1
M 35,9 36,1
N 27,9 28,1
O 16,0 16,1
P 3,3 3,5
Q 4,0 Radius
Figure 2 – Outline dimensions – Fixed adaptor

– 15 – EN 50516-1-1:2011
Ref. Dimensions Note
min. mm max.
H1 29,9 30,1
N 27,9 28,1
P 3,3 3,5
NOTE Panel cut out dimensions are for recommendation only.
Figure 3 – Outline dimensions – Cut out for fixed adaptor mounting

5.2 Mating face and other limit dimensions
5.2.1 Plug
The mating face dimensions are in accordance with EN 61754-24-21.
a) b)
c)
d) Section A – A e) Section B – B
Figure 4 – Plug mating face and other limit dimensions

– 17 – EN 50516-1-1:2011
Ref. Dimensions Note
min. mm max.
R 12,08 12,18 Notes 5, 6
K1 4,22 4,32
S 3,4 3,5
T 1,6 1,7
U 1,96 2,06
V 29,35 29,55
W 25,87 25,97
X 17,87 17,97
Y 15,95 16,05
Z 5,4 5,6
AA 4,05 4,15
AB 16,38 16,58
D 14,50 14,80
AC 1,6 1,8
AD 10,84 11,04
AE 8,89 8,99
AF 0,62 0,68
AG 0,8 0,9 Radius
AH 4,8 5,0
AI 2,498 0 2,499 5
AJ 7,3 7,4 Note 4
AK 7,25 7,4
AL 4,9 5,3
AM 6,6 6,8
AE 8,9 8,99
AN 7,15 7,50 Notes 1, 2
AO 5,3 5,5
AP 0,8 1,2
AQ - 0,1 0,05 Note 3
AR 2,11 2,5
AS 2,0 2,8
AT 25 35 Degree
AU 19 23 Degree
CA 4.6 4.8
CB 5.55 5.75
NOTE 1 Ferrule compression force shall be from 7,8 N to 11,8 N when the ferrule is
compre
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