IEC 62077:2022 PRV 
Pre release version

Fibre optic interconnecting devices and passive components - Fibre optic circulators - Generic specification


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This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2022-06-10 to 2022-07-22. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.

IEC 62077:2022 applies to circulators used in the field of fibre optics bearing all of the following features:
  • they are non-reciprocal optical devices, in which each port is either an optical fibre or fibre optic connector;
  • they are passive devices in accordance with the categorization and definition provided in IEC TS 62538;
  • they have three or more ports for directionally transmitting optical power.
An example of optical circulator technology and application is described in Annex A and Annex B, respectively. This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
  1. harmonization of terms and definitions with IEC TS 62627-09;
  2. change of Clause 4 regarding requirements

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Additional information

Publication typeInternational Standard
Publication date2022-06-10
Available language(s)English
TC/SCTC 86/SC 86B - Fibre optic interconnecting devices and passive componentsrss
ICS33.180.20 - Fibre optic interconnecting devices
Stability date  2030
File size764 KB

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