IEC 61753-031-6 Ed. 2.0 b:2014

Current Revision
Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category O - Uncontrolled environment

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Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category O - Uncontrolled environment

Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6:

Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category O - Uncontrolled environment

IEC 61753-031-6:2014 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 O 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. 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 1x2 and 2x2 devices because they are the most commonly used.

This second edition of IEC 61753-031-6 cancels and replaces the first edition published in 2008 and constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

  • deletion of the Introduction;
  • 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;
  • Annex A has been changed to introduce the calculated and minimum requirements for attenuation and uniformity.

Keywords: non-wavelength selective branching device (NWBD), IEC category O environment

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