I.S. EN 61280-2-9:2009
Current
The latest, up-to-date edition.
FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 2-9: DIGITAL SYSTEMS - OPTICAL SIGNAL-TO-NOISE RATIO MEASUREMENT FOR DENSE WAVELENGTH-DIVISION MULTIPLEXED SYSTEMS
Hardcopy , PDF
English
01-01-2009
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.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definition
4 Apparatus
5 Sampling and specimens
6 Procedure
7 Calculations
8 Measurement uncertainty
9 Documentation
Annex A (informative) - Error in measuring signal level due
to signal spectral width
Annex B (informative) - Error in measuring noise level due
to signal spectral width and
wavelength filtering
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
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