Home>IEC 61280-2-11 : 1.0

IEC 61280-2-11 : 1.0

IEC 61280-2-11 : 1.0

FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 2-11: DIGITAL SYSTEMS - AVERAGED Q-FACTOR DETERMINATION USING AMPLITUDE HISTOGRAM EVALUATION FOR OPTICAL SIGNAL QUALITY MONITORING

International Electrotechnical Committee

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Table of Contents

FOREWORD<br>0 INTRODUCTION<br>&nbsp;&nbsp;0.1 Background<br>&nbsp;&nbsp;0.2 Averaged Q-factor formula<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Abbreviated terms<br>5 Apparatus <br>&nbsp;&nbsp;5.1 Optical bandpass filter<br>&nbsp;&nbsp;5.2 Receiver<br>&nbsp;&nbsp;5.3 Clock oscillator<br>&nbsp;&nbsp;5.4 Electrical pulse generator<br>&nbsp;&nbsp;5.5 Sampling module<br>&nbsp;&nbsp;5.6 Signal processing circuit<br>&nbsp;&nbsp;5.7 Monitoring system parameters<br>6 Procedure<br>&nbsp;&nbsp;6.1 Equipment connections<br>&nbsp;&nbsp;6.2 Threshold level definitions<br>7 Calculations<br>Annex A (normative) Measurement accuracy, reliability, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and sensitivity<br>Annex B (informative) Crosstalk and frequency detuning of <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;optical bandpass filter<br>Annex C (normative) Highest limit of Q[avg] <br>Annex D (informative) Bit rate dependence<br>Annex E (informative) Format dependence<br>Annex F (informative) Dependence of Q[avg,] sigma[1,avg,] <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;¦mu[1,avg] - mu[0,avg]¦, and Q <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on chromatic dispersion and OSNR <br>Annex G (informative) Relationship between Q[avg] and Q <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;with PMD impairment

Abstract

Defines the averaged Q-factor and provides a procedure to measure it by using amplitude histogram parameters such as the standard deviation and average level.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 86

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