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  • EN 61300-3-6:2009

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    Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss

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    Published date:  31-03-2009

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    1 Scope
    2 Normative references
    3 General description
    4 Apparatus and symbols
    5 Procedure
    6 Details to be specified
    Annex A (informative) - Comparison of return loss
            detectable by four different methods
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    IEC 61300-3-6:2008 presents procedures for the measurement of the return loss (RL) of a fibre optic device under test (DUT). RL, as used in this standard, is the ratio of the power (Pi) incident on, or entering, the DUT to the total power reflected (Pr) by the DUT, expressed in decibels. This third edition cancels and replaces the second edition published in 2003. It constitutes a technical revision. The changes with respect to the previous edition are to reconsider the constitution of the document and launch conditions for multimode fibres.

    General Product Information - (Show below) - (Hide below)

    Committee CLC/TC 86BXA
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    I.S. EN 61300-2-10:2012 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - BASIC TEST AND MEASUREMENT PROCEDURES - PART 2-10: TESTS - CRUSH RESISTANCE (IEC 61300-2-10:2012 (EQV))
    CEI EN 50377-8-8 : 2009 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-8: LSH-APC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    CEI EN 50377-8-3 : 2008 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-3: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, COMPOSITE FERRULE CATEGORY C
    CEI EN 62496-3-1 : 2011 OPTICAL CIRCUIT BOARDS - PERFORMANCE STANDARD - PART 3-1: FLEXIBLE OPTICAL CIRCUIT BOARDS USING UNCONNECTORIZED OPTICAL GLASS FIBRES
    CEI EN 50377-8-13 : 2012 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-13: TYPE LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE WITH TITANIUM COMPOSITE FERRULE FOR CATEGORY U
    BS EN 61753-051-3:2013 Fibre optic interconnecting devices and passive components. Performance standard Single-mode fibre, plug style fixed attenuators for category U. Uncontrolled environment
    08/30190093 DC : DRAFT SEP 2008 BS EN 50377-7-4 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 7-4: LC-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE WITH FULL ZIRCONIA FERRULE FOR CATEGORY C
    BS EN 62496-3-1:2010 Optical circuit boards. Performance standard Flexible optical circuit boards using unconnectorized optical glass fibres
    BS EN 61076-2-107:2010 CONNECTORS FOR ELECTRONIC EQUIPMENT - PRODUCT REQUIREMENTS - PART 2-107: DETAIL SPECIFICATION FOR CIRCULAR HYBRID CONNECTORS M12 WITH ELECTRICAL AND FIBRE-OPTIC CONTACTS WITH SCREW LOCKING
    BS EN 50377-5-1:2003 CONNECTORS SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 5-1: TYPE EC TERMINATED ON IEC 60793-2 CATEGORY B.1.1 SINGLEMODE FIBRE
    BS EN 61753-381-6:2016 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 381-6: CYCLIC ARRAYED WAVEGUIDE GRATING - CATEGORY O (UNCONTROLLED ENVIRONMENT)
    CEI EN 61753-021-2 : 2010 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 021-2: GRADE C/3 SINGLE-MODE FIBRE OPTIC CONNECTORS FOR CATEGORY C - CONTROLLED ENVIRONMENT
    CEI EN 61753-2-1 : 2001 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 2-1: FIBRE OPTIC CONNECTORS TERMINATED ON SINGLE-MODE FIBRE FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    06/30155038 DC : DRAFT AUG 2006 EN 50377-8-5 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-5: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, COMPOSITE FERRULE CATEGORY U
    05/30128969 DC : 0 EN 50377-4-4 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 4-4: TYPE SC-PC SIMPLEX TERMINATED ON IEC 60793-2 CATEGORY B1.1 SINGLEMODE FIBRE
    BS EN 50377-8-10:2010 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type LSH-APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre with titanium composite ferrule for category C
    I.S. EN 62343-3-1:2016 DYNAMIC MODULES - PART 3-1: PERFORMANCE SPECIFICATION TEMPLATES - DYNAMIC CHANNEL EQUALIZERS
    BS EN 61753-381-2 : 2016 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 381-2: CYCLIC ARRAYED WAVEGUIDE GRATING - CATEGORY C (CONTROLLED ENVIRONMENT)
    I.S. EN 50411-3-6:2013 FIBRE ORGANISERS AND CLOSURES TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-6: MULTIMODE MECHANICAL FIBRE SPLICE FOR USE IN AN OUTDOOR PROTECTED ENVIRONMENT (CAT U)
    BS EN 50377-16-1:2011 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type LF3 APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre with titanium composite ferrule for category C
    BS EN 61300-2-5:2011 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures Tests. Torsion
    UNE-EN 50377-4-2:2015 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 4-2: Type SC/APC simplex 8° terminated on IEC 60793-2-50 of types B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    CEI EN 50377-14-1 : 2012 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 14-1: CORDS WITH IEC 60793-2-50 SINGLEMODE CATEGORY B1.1 AND B1.3 FIBRE FOR CATEGORY C
    CEI EN 61753-021-3 : 2014 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 021-3: SINGLE-MODE FIBRE OPTIC CONNECTORS FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    17/30347862 DC : 0 BS EN 50377-14-1 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 14-1: SIMPLEX AND DUPLEX CORDS MADE FROM SIMPLEX PLUGS WITH CYLINDRICAL FERRULES, USING EN 60793-2-50 SINGLEMODE B1 OR B6 FIBRE FOR CATEGORY C ACCORDING TO EN 61753-1
    BS EN 50377-9-1:2003 CONNECTORS SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 9-1: TYPE MT-RJ TERMINATED ON IEC 60793-2 CATEGORY A1A AND A1B MULTIMODE FIBRE
    BS EN 61753-089-2:2013 Fibre optic interconnecting devices and passive components. Performance standard Non-connectorized single-mode bidirectional OTDR monitoring WWDM devices for category C. Controlled environment
    08/30189758 DC : DRAFT SEP 2008 BS EN 50377-13-3 - CONNECTORS SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 13-3: TYPE LX.5-APC DUPLEX TERMINATED ON EN 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    BS EN 62664-1-1:2013 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - FIBRE OPTIC CONNECTOR PRODUCT SPECIFICATIONS - PART 1-1: LC-PC DUPLEX MULTIMODE CONNECTORS TERMINATED ON IEC 60793-2-10 CATEGORY A1A FIBRE
    I.S. EN 61753-031-3:2015 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 031-3: NON-CONNECTORIZED SINGLEMODE 1N AND 2N NON-WAVELENGTH-SELECTIVE BRANCHING DEVICES FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    CEI EN 62664-1-1 : 2014 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - FIBRE OPTIC CONNECTOR PRODUCT SPECIFICATIONS - PART 1-1: LC-PC DUPLEX MULTI MODE CONNECTORS TERMINATED ON IEC 60793-2 CATEGORY A1A FIBRE
    CEI EN 61753-021-6 : 2010 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 021-6: GRADE B/2 SINGLE-MODE FIBRE OPTIC CONNECTORS FOR CATEGORY O - UNCONTROLLED ENVIRONMENT
    NF EN 50377-15-1 : 2011 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 15-1: TYPE MPO WITH 12-FIBRE PPS FERRULES TERMINATED ON IEC 60793-2 CATEGORY A1A MULTIMODE FIBRE FOR 50/125 MICRON MULTIMODE FIBRE
    BS EN 61753-031-2:2014 Fibre optic interconnecting devices and passive components. Performance standard Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category C. Controlled environment
    07/30163785 DC : 0 BS EN 50377-3-1 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-1: TYPE SG TERMINATED ON IEC 60793-2-10 CATEGORY A1A, A1B OR EQUIVALENT MULTIMODE FIBRE FOR CATEGORY C
    08/30195624 DC : 0 BS EN 50377-8-11 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-11: TYPE LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE WITH TITANIUM COMPOSITE FERRULE FOR CATEGORY C
    08/30195627 DC : 0 BS EN 50377-8-12 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-12: TYPE LSH-APC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE WITH TITANIUM COMPOSITE FERRULE FOR CATEGORY U
    06/30156211 DC : DRAFT SEP 2006 BS EN 50377-10-1 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 10-1: TYPE MU-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY C
    BS EN 61753-021-6:2008 Fibre optic interconnecting devices and passive components performance standard Grade B/2 single-mode fibre optic connectors for category O. Uncontrolled environment
    03/311586 DC : DRAFT JULY 2003 EN 50377-6-2 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 6-2: TYPE SC-RJ TERMINATED ON IEC 60793-2 CATEGORY B1.1 SINGLEMODE FIBRE
    06/30154747 DC : 0 EN 50377-2-2 - PRODUCT SPECIFICATION FOR CONNECTORS ADAPTORS AND PATCHCORDS TO BE USED IN SINGLE MODE OPTICAL FIBRE COMMUNICATION SYSTEMS - PART 2-2 - TYPE FC/APC 8 TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE, ZIRCONIA FERRULE, FOR CATEGORY C
    BS EN 61753-083-2:2008 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 083-2: NON-CONNECTORISED SINGLE-MODE FIBRE OPTIC C-BAND/L-BAND WDM DEVICES FOR CATEGORY C - CONTROLLED ENVIRONMENT
    06/30156214 DC : DRAFT SEP 2006 BS EN 50377-8-9 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-9: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    CEI EN 61753-057-2 : 2014 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 057-2: SINGLE MODE FIBRE PLUG-RECPTACLE STYLE OPTICAL FUSE FOR CATEGORY C - CONTROLLED ENVIRONMENT
    06/30154756 DC : DRAFT AUG 2006 EN 50377-8-2 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-2: TYPE LSH-HRL TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, COMPOSITE FERRULE CATEGORY C
    08/30195621 DC : 0 BS EN 50377-8-10 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-10: TYPE LSH-APC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE WITH TITANIUM COMPOSITE FERRULE FOR CATEGORY C
    BS EN 61300-2-10:2012 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures Tests. Crush resistance
    CEI EN 62343-3-1 : 2011 DYNAMIC MODULES - PART 3-1: PERFORMANCE SPECIFICATION TEMPLATES - DYNAMIC CHANNEL EQUALIZERS
    CEI EN 50378-3-2 : 2008 PASSIVE COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-2: TYPE 4/8 CHANNEL CWDM MODULE TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE
    I.S. EN 61300-2-5:2011 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - BASIC TEST AND MEASUREMENT PROCEDURES - PART 2-5: TESTS - TORSION
    CEI EN 50377-13-3 : 2012 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 13-3: TYPE LX.5-APC DUPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    I.S. EN 62149-5:2011 FIBRE OPTIC ACTIVE COMPONENTS AND DEVICES - PERFORMANCE STANDARDS - PART 5: ATM-PON TRANSCEIVERS WITH LD DRIVER AND CDR ICS
    I.S. EN 61753-381-2:2016 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 381-2: CYCLIC ARRAYED WAVEGUIDE GRATING - CATEGORY C (CONTROLLED ENVIRONMENT)
    I.S. EN 61753-091-3:2004 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 091-3: SINGLE-MODE FIBRE OPTIC PIGTAILED STYLE CIRCULATORS FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    I.S. EN 50377-7-1:2004 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 7-1: TYPE LC-PC DUPLEX TERMINATED ON IEC 60793-2 CATEGORY A1A AND A1B MULTIMODE FIBRE
    CEI EN 61300-2-50 : 2008 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - BASIC TEST AND MEASUREMENT PROCEDURES - PART 2-50: TESTS - FIBRE OPTIC CONNECTOR PROOF TEST WITH STATIC LOAD - SINGLEMODE AND MULTIMODE
    I.S. EN 61076-2-107:2010 CONNECTORS FOR ELECTRONIC EQUIPMENT - PRODUCT REQUIREMENTS - PART 2-107: DETAIL SPECIFICATION FOR CIRCULAR HYBRID CONNECTORS M12 WITH ELECTRICAL AND FIBRE-OPTIC CONTACTS WITH SCREW LOCKING
    I.S. EN 61280-4-2:2014 FIBRE-OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 4-2: INSTALLED CABLE PLANT - SINGLE-MODE ATTENUATION AND OPTICAL RETURN LOSS MEASUREMENT
    I.S. EN 61753-031-2:2014 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 031-2: NON-CONNECTORIZED SINGLE-MODE 1XN AND 2XN NON-WAVELENGTH-SELECTIVE BRANCHING DEVICES FOR CATEGORY C - CONTROLLED ENVIRONMENT
    I.S. EN 61753-022-2:2013 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 022-2: FIBRE OPTIC CONNECTORS TERMINATED ON MULTIMODE FIBRE FOR CATEGORY C - CONTROLLED ENVIRONMENT (IEC 61753-022-2:2012 (EQV))
    I.S. EN 50377-8-3:2007 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-3: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, COMPOSITE FERRULE CATEGORY C
    I.S. EN 62664-1-1:2013 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - FIBRE OPTIC CONNECTOR PRODUCT SPECIFICATIONS - PART 1-1: LC-PC DUPLEX MULTIMODE CONNECTORS TERMINATED ON IEC 60793-2-10 CATEGORY A1A FIBRE (IEC 62664-1-1:2013 (EQV))
    CEI EN 50377-3-1 : 2009 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-1: TYPE SG TERMINATED ON IEC 60793-2-10 CATEGORY A1A, A1B OR EQUIVALENT MULTIMODE FIBRE FOR CATEGORY C
    CEI EN 62343-1-3 : 2014 DYNAMIC MODULES - PART 1-3: PERFORMANCE STANDARDS - DYNAMIC GAIN TILT EQUALIZER (NON-CONNECTORIZED)
    I.S. EN 50377-4-2:2011 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 4-2: TYPE SC/APC SIMPLEX 8 DEGREES TERMINATED ON IEC 60793-2-50 OF TYPES B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    I.S. EN 50377-8-5:2007 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-5: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, COMPOSITE FERRULE CATEGORY U
    I.S. EN 61753-061-3:2004 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 061-3: SINGLE MODE FIBRE OPTIC PIGTAILED STYLE ISOLATORS FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    NF EN 50377-2-2 : 2011 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 2-2: FC/APC 8 TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE, CATEGORY C
    NF EN 50411-3-2 : 2011 FIBRE ORGANISERS AND CLOSURES TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-2: SINGLEMODE MECHANICAL FIBRE SPLICE
    EN 50377-13-2:2011 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 13-2: Type LX.5-PC DUPLEX terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    EN 62150-4:2010 Fibre optic active components and devices - Test and measurement procedures - Part 4: Relative intensity noise using a time-domain optical detection system
    EN 50377-17-2:2015 Connector sets and Interconnect components to be used in optical fibre communication systems - Product specifications - Part 17-2: Type FPFT (factory polished field terminated) simplex connector factory terminated with EN 60793-2-50 category B1.3 fibre and field mounted onto reinforced cable containing IEC 60793-2-50 category B1.3 or B6a1 or B6a 2 singlemode fibre (with restricted MFD), category C
    EN 50377-7-1:2004 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 7-1: Type LC-PC duplex terminated on IEC 60793-2 category A1a and A1b multimode fibre
    EN 61280-4-2:2014 Fibre-optic communication subsystem test procedures - Part 4-2: Installed cable plant - Single-mode attenuation and optical return loss measurement
    EN 61753-021-2:2008 Fibre optic interconnecting devices and passive components performance standard - Part 021-2: Grade C/3 single-mode fibre optic connectors for category C - Controlled environment
    EN 50377-2-2 : 2009 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 2-2: FC/APC 8 terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule, category C
    EN 50377-9-2:2004 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 9-2: Type MT-RJ terminated on IEC 60793-2 category B1.1 singlemode fibre
    EN 50377-8-4:2007 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 8-4: LSH-APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, composite ferrule category U
    EN 62343-3-3:2014 Dynamic modules - Part 3-3: Performance specification templates - Wavelength selective switches
    EN 61753-087-6:2012 Fibre optic interconnecting devices and passive components - Performance standard - Part 087-6: Non-connectorised single-mode bidirectional 1310 nm upstream and 1490 nm downstream WWDM devices for category O - Uncontrolled environment
    EN 50377-4-2:2011 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 4-2: Type SC/APC simplex 8° terminated on IEC 60793-2-50 of types B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    EN 50377-8-10:2010 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 8-10: Type LSH-APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre with titanium composite ferrule for category C
    EN 61300-3-39:2012 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-39: Examinations and measurements - Physical contact (PC) optical connector reference plug selection for return loss measurements
    EN 61753-031-3:2015 Fibre optic interconnecting devices and passive components - Performance standard - Part 031-3: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category U - Uncontrolled environment
    EN 61753-131-3:2011 Fibre optic interconnecting devices and passive components - Performance standard - Part 131-3: Single-mode mechanical fibre splice for category U - Uncontrolled environment
    EN 50377-8-9:2007 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 8-9: LSH-PC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    EN 61753-053-3:2004 Fibre optic interconnecting devices and passive components performance standard - Part 053-3: Continuously variable attenuators for category U - Uncontrolled environment
    EN 61753-121-2:2017 Fibre optic interconnecting devices and passive components - Performance standard - Part 121-2: Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category C - Controlled environment
    EN 50516-2-1 : 2011 INDUSTRIAL CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE CONTROL AND COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 2-1: TYPE ODVA PC INDUSTRIAL TERMINATED ON EN 60793-2-10 CATEGORY A1A AND A1B MULTIMODE FIBRE TO MEET THE REQUIREMENTS OF CATEGORY 1 (INDUSTRIAL ENVIRONMENTS) AS SPECIFIED IN EN 50173-1 AND IEC 61753-1-3
    EN 50377-11-1:2008 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 11-1: Type MF terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre for category C
    EN 61753-057-2:2013 Fibre optic interconnecting devices and passive components - Performance standard - Part 057-2: Single mode fibre plug-receptacle style optical fuse for category C - Controlled environment
    EN 61753-059-2:2013 Fibre optic interconnecting devices and passive components - Performance standard - Part 059-2: Single-mode fibre plug-receptacle style optical limiter for category C - Controlled environment
    EN 61753-021-3:2013 Fibre optic interconnecting devices and passive components - Performance standard - Part 021-3: Single-mode fibre optic connectors for category U - Uncontrolled environment
    EN 50411-3-6:2013 Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 3-6: Multimode mechanical fibre splice for use in an outdoor protected environment (Cat U)
    EN 62496-3-1:2010 Optical circuit boards - Performance standard - Part 3-1: Flexible optical circuit boards using unconnectorized optical glass fibres
    EN 61753-382-2:2016 Fibre optic interconnecting devices and passive components - Performance standard - Part 382-2: Non-connectorized single-mode bidirectional G-PON-NGA WWDM devices for category C - Controlled environment
    EN 61753-031-2:2014 Fibre optic interconnecting devices and passive components - Performance standard - Part 031-2: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category C - Controlled environment
    EN 61753-084-2:2008 Fibre optic interconnecting devices and passive components performance standard - Part 084-2: Non connectorised single-mode 980/1550 nm WWDM devices for category C - Controlled environment
    EN 61753-031-6:2014 Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6: Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category O - Uncontrolled environment
    EN 50377-13-3:2011 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 13-3: Type LX.5-APC DUPLEX terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    EN 50377-5-1:2003 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 5-1: Type EC terminated on IEC 60793-2 category B1.1 singlemode fibre
    EN 61753-051-3:2013 Fibre optic interconnecting devices and passive components - Performance standard - Part 051-3: Single-mode fibre, plug style fixed attenuators for category U - Uncontrolled environment
    EN 61753-022-2:2013 Fibre optic interconnecting devices and passive components - Performance standard - Part 022-2: Fibre optic connectors terminated on multimode fibre for category C - Controlled environment
    EN 61753-086-2:2009 Fibre optic interconnecting devices and passive components performance standard - Part 086-2: Non-connectorised single-mode bidirectional 1490 / 1550 nm downstream 1310 nm upstream WWDM devices for category C - Controlled environment
    EN 50377-10-2:2005 Connectors sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 10-2: MU-APC singlemode terminated on IEC 60793-2 category B1 fibre
    EN 50411-3-2:2011 Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 3-2: Singlemode mechanical fibre splice
    EN 50377-7-3 : 2004 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 7-3: Type LC-APC duplex terminated on IEC 60793-2 category B1.1 singlemode fibre
    EN 61753-091-3:2004 Fibre optic interconnecting devices and passive components performance standard - Part 091-3: Single-mode fibre optic pigtailed style circulators for category U - Uncontrolled environment
    EN 50377-8-7:2007 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 8-7: LSH-PC terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category C
    EN 50377-15-1:2011 Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 15-1: Type MPO with 12-fibre PPS ferrules terminated on IEC 60793-2 category A1a multimode fibre for 50/125 micron multimode fibre
    EN 62343-1-3:2013 Dynamic modules - Part 1-3: Performance standards - Dynamic gain tilt equalizer (non-connectorized)
    10/30240333 DC : 0 BS EN 50411-3-6 - FIBRE ORGANISERS AND CLOSURES TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-6: MULTIMODE MECHANICAL FIBRE SPLICE
    BS EN 61280-4-2:2014 Fibre-optic communication subsystem test procedures Installed cable plant. Single-mode attenuation and optical return loss measurement
    BS EN 50377-7-4:2011 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications LC-PC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre with full zirconia ferrule for category C
    I.S. EN 50377-8-7:2007 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-7: LSH-PC TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY C
    CEI EN 50378-3-1 : 2008 PASSIVE COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-1: TYPE: 100/200 GHZ DWDM MODULE TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLE MODE FIBRE
    CEI EN 50377-8-9 : 2009 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-9: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    BS EN 61753-057-2:2013 Fibre optic interconnecting devices and passive components. Performance standard Single mode fibre plug-receptacle style optical fuse for category C. Controlled environment
    I.S. EN 50377-10-1:2007 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 10-1: TYPE MU-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY C
    BS EN 50377-17-1:2013 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type FPFT (factory polished field terminated) simplex connector factory terminated with EN 60793-2-50 category B1.3 fibre and field mounted onto IEC 60793-2-50 category B1.3 or B6a_1 or B6a_2 singlemode fibre, category C
    I.S. EN 50411-3-2:2011 FIBRE ORGANISERS AND CLOSURES TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 3-2: SINGLEMODE MECHANICAL FIBRE SPLICE
    CEI EN 61753-1 : 2009 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 1: GENERAL AND GUIDANCE FOR PERFORMANCE STANDARDS
    02/210340 DC : DRAFT JAN 2003 EN 50377-9-2 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 9-2: TYPE MT-RJ TERMINATED ON IEC 60793-2 CATEGORY B1.1 SINGLEMODE FIBRE
    BS EN 50377-9-2:2004 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 9-2: TYPE MT-RJ TERMINATED ON IEC 60793-2 CATEGORY B1.1 SINGLEMODE FIBRE
    BS EN 61753-382-2:2016 Fibre optic interconnecting devices and passive components. Performance standard Non-connectorized single-mode bidirectional G-PON-NGA WWDM devices for category C. Controlled environment
    BS EN 50377-8-12:2010 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type LSH-APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre with titanium composite ferrule for category U
    I.S. EN 61753-021-2:2008 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 021-2: GRADE C/3 SINGLE-MODE FIBRE OPTIC CONNECTORS FOR CATEGORY C - CONTROLLED ENVIRONMENT
    I.S. EN 50377-8-9:2007 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 8-9: LSH-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    BS EN 50411-3-2:2011 Fibre organisers and closures to be used in optical fibre communication systems. Product specifications Singlemode mechanical fibre splice
    BS EN 50377-8-8:2007 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications LSH-APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    BS EN 61753-053-3:2004 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 053-3: CONTINUOUSLY VARIABLE ATTENUATORS FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    BS EN 62343-3-3:2014 Dynamic modules Performance specification templates. Wavelength selective switches
    BS EN 50377-11-1:2008 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type MF terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre for category C
    BS EN 50377-4-4:2011 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type SC-PC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    BS EN 61753-121-2:2017 Fibre optic interconnecting devices and passive components. Performance standard Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category C. Controlled environment
    BS EN 50377-4-2:2011 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications Type SC/APC simplex 8° terminated on IEC 60793-2-50 of types B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    BS EN 50377-8-9:2007 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications LSH-PC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U
    08/30189753 DC : DRAFT SEP 2008 BS EN 50377-13-2 - CONNECTORS SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 13-2: TYPE LX.5-PC DUPLEX TERMINATED ON EN 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY U
    BS EN 61300-2-43:2014 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures Tests. Screen testing of return loss of single-mode PC optical fibre connectors
    BS EN 50377-10-1:2007 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 10-1: TYPE MU-PC SIMPLEX TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE CATEGORY C
    08/30185105 DC : DRAFT JULY 2008 BS EN 50377-15-1 - CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 15-1: TYPE MPO WITH PPS FERRULES TERMINATED ON IEC 60793-2 CATEGORY A1A MULTIMODE FIBRE FOR 50/125 MICRON MULTIMODE FIBRE
    BS EN 61753-031-3:2015 Fibre optic interconnecting devices and passive components. Performance standard Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category U. Uncontrolled environment
    CEI EN 61753-087-2 : 2012 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 087-2: NON-CONNECTORISED SINGLE-MODE BIDIRECTIONAL 1310 NM UPSTREAM AND 1490 NM DOWNSTREAM WWDM DEVICES FOR CATEGORY C - CONTROLLED ENVIRONMENT
    CEI EN 61753-086-6 : 2012 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 086-6: NON-CONNECTORISED SINGLE-MODE BIDIRECTIONAL 1490/1550 NM DOWNSTREAM AND 1310 NM UPSTREAM WWDM DEVICES FOR CATEGORY O - UNCONTROLLED ENVIRONMENT
    CEI EN 61753-131-3 : 2012 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 131-3: SINGLEMODE MECHANICAL FIBRE SPLICE FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    BS EN 61300-2-51:2007 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures Tests. Fibre optic connector test for transmission with applied tensile load. Singlemode and multimode
    CEI EN 50377-2-2 : 2010 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 2-2: FC/APC 8 TERMINATED ON IEC 60793-2-50 CATEGORY B1.1 AND B1.3 SINGLEMODE FIBRE, WITH FULL ZIRCONIA FERRULE, CATEGORY C
    I.S. EN 61753-121-3:2010 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - PERFORMANCE STANDARD - PART 121-3: SIMPLEX AND DUPLEX CORDS WITH SINGLE-MODE FIBRE AND CYLINDRICAL FERRULE CONNECTORS FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    I.S. EN 61300-3-39:2012 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - BASIC TEST AND MEASUREMENT PROCEDURES - PART 3-39: EXAMINATIONS AND MEASUREMENTS - PHYSICAL CONTACT (PC) OPTICAL CONNECTOR REFERENCE PLUG SELECTION FOR RETURN LOSS MEASUREMENTS (IEC 61300-3-39:2011 (EQV))
    I.S. EN 50377-7-2:2004 CONNECTOR SETS AND INTERCONNECT COMPONENTS TO BE USED IN OPTICAL FIBRE COMMUNICATION SYSTEMS - PRODUCT SPECIFICATIONS - PART 7-2: LC-PC DUPLEX TERMINATED ON IEC 60793-2 CATEGORY B1.1 SINGLEMODE FIBRE
    I.S. EN 61753-086-2:2009 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 086-2: NON-CONNECTORISED SINGLE-MODE BIDIRECTIONAL 1490/1550 NM DOWNSTREAM 1310 NM UPSTREAM WWDM DEVICES FOR CATEGORY C - CONTROLLED ENVIRONMENT
    I.S. EN 61753-2-1:2000 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 2-1: FIBRE OPTIC CONNECTORS TERMINATED ON SINGLE-MODE FIBRE FOR CATEGORY U - UNCONTROLLED ENVIRONMENT
    CEI EN 61753-083-2 : 2010 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD - PART 083-2: NON-CONNECTORISED SINGLE-MODE FIBRE OPTIC C-BAND/L-BAND WDM DEVICES FOR CATEGORY C - CONTROLLED ENVIRONMENT
    I.S. EN 50377-7-3:2004