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
- 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
|Publication type||International Standard|
|Available language(s)||English, English/French|
|TC/SC||TC 86/SC 86B - Fibre optic interconnecting devices and passive componentsrss|
|ICS||33.180.10 - Fibres and cables|
|File size||1218 KB|
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