SN EN 60728-6 : 2003

INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Methods of measurement
  4.1 General measurement requirements
  4.2 Optical power
  4.3 Loss, isolation, directivity and coupling ratio
  4.4 Return loss
  4.5 Saturation of output power of an optical amplifier
  4.6 Polarization dependent loss
  4.7 Centroidal wavelength and spectral width under
       modulation
  4.8 Linewidth and chirping of transmitters with single
       mode lasers
  4.9 Optical modulation index
  4.10 Reference output level of an optical receiver
  4.11 Slope and flatness
  4.12 Composite second-order distortion (CSO) of optical
       transmitters
  4.13 Composite triple beats (CTB) of optical transmitters
  4.14 Composite crossmodulation of optical transmitters
  4.15 Receiver intermodulation
  4.16 CSO of optical amplifiers
  4.17 CTB of optical amplifiers
  4.18 Carrier-to-noise ratio
  4.19 Method for combined measurement of relative intensity
       noise (RIN), optical modulation index and equivalent
       input noise current
  4.20 Noise figure of optical amplifiers
  4.21 Influence of fibre
  4.22 SBS threshold
5 Universal performance requirements and recommendations
  5.1 Safety
  5.2 Electromagnetic compatibility (EMC)
  5.3 Environmental
  5.4 Marking
6 Active equipment
  6.1 Optical downlink transmitters
  6.2 Optical uplink transmitters
  6.3 Optical receivers
  6.4 Optical amplifiers
7 Passive equipment
  7.1 Connectors and splices
       7.1.1 Data publication requirements
Annex A (informative) A simplified method of measurement
                       for return loss
Annex B (informative) Product specification worksheets for
                       optical amplifiers
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications
Bibliography

Provides the measuring methods, performance requirements and data publication requirements of optical equipment of cable networks for television signals, sound signals and interactive services.