I.S. EN IEC 61290-4-4:2018
Current
The latest, up-to-date edition.
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26-02-2019
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
This part of IEC 61290-4 applies to optical amplifiers (OAs) and optically amplified elementary sub-systems.
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