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IEC 61753-031-3 Ed. 2.0 b:2014

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
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IEC 61753-031-3 Ed. 2.0 b:2014

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

IEC 61753-031-3 Ed. 2.0 b:2014

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

IEC 61753-031-3:2014 contains the minimum initial tests and measurement requirements and severities which a non-wavelength selective branching device (NWBD) should satisfy in order to be categorized as meeting the requirements of this standard.

The requirements cover balanced bidirectional non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for use in an IEC category U environment (N is the number of branching ports), especially but not exclusively used for PON application.

For balanced NWBD, two attenuation and uniformity performance classes are considered:

  • class A (premium class) which meets more restrictive requirements (i.e. for extended reach PON application), and
  • class B (standard class) for standard application (i.e. for normal reach PON application).

The requirements also cover unbalanced, bidirectional, non-connectorized, single-mode, non-wavelength-selective branching devices; however, the specifications of unbalanced branching devices are limited to 1 x 2 and 2 x 2 devices because they are the most commonly used.

This second edition of IEC 61753-031-3 cancels and replaces the first edition published in 2009 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

  • an updated and extended scope to reflect an introduction of two attenuation and uniformity performance classes for balanced NWBD instead of branching device technologies on the market;
  • an updated list of normative references;
  • a more simplified introduction to the two types of spectral bands;
  • Clause 5, Performance requirements, has been updated and extended to reflect the introduction of two attenuation and uniformity performance classes for balanced NWBD;
  • simplified test items to exclude tests for damp heat (steady state) and impact for performance requirements;
  • Annexe A has been changed to introduce the calculated and minimum requirements for attenuation and uniformity;
  • Annex B has been updated to reflect revised performance requirements.

Keywords: non-wavelength selective branching device (NWBD), IEC Category U environment

SDO IEC: International Electrotechnical Commission
Document Number IEC 61753
Publication Date Not Available
Language b - English & French
Page Count
Revision Level 2.0
Supercedes
Committee 86B
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