IEC 61280-2-8:2020 PRV 
Pre release version

Fibre optic communication subsystem test procedures - Part 2-8: Digital systems - Determination of low BER using Q-factor measurements


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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: 2020-12-25 to 2021-02-05. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.

IEC 61280-2-8:2021 specifies two main methods for the determination of low BER values by making accelerated measurements. These include the variable decision threshold method (Clause 5) and the variable optical threshold method (Clause 6). In addition, a third method, the sinusoidal interference method, is described in Annex B. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
  1. correction of errors in Formula (8) in 5.5.2 and in a related formula in 5.5.3;
  2. correction of errors in the references to clauses, subclauses, figures, procedures, and in the Bibliography;
  3. alignment of the terms and definitions in 3.1 with those in IEC 61281-1.

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Additional information

Publication typeInternational Standard
Publication date2020-12-25
Available language(s)English
TC/SCTC 86/SC 86C - Fibre optic systems and active devicesrss
ICS33.180.10 - Fibres and cables
Stability date  2024
File size2181 KB

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