ETS 300 681 : 20001

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Definition of the ODN in an OAN
  4.1 Introduction
  4.2 Definition of ODN architectures
  4.3 ODN functions
  4.4 Protection configurations
5 Wavelength ranges
  5.1 Wavelength range for the 1310 nm region
  5.2 Wavelength range for the 1550 nm region
6 Specification of the optical path
  6.1 Definition of the optical path
  6.2 Loss allowance
  6.3 Passive optical components
  6.4 Reflectance (return loss)
  6.5 Chromatic dispersion
  6.6 Optical delay
  6.7 Polarization
  6.8 Environmental conditions
7 Radiation safety requirements
8 Introduction of OAs in the OAN
9 Influence of upgrade possibilities
Annex A (informative): The bus architecture
Annex B (informative): Protection configurations
Annex C (informative): Example of application of the
         calculation methodology
Annex D (informative): Survey of possible wavelength
         allocation for interactive services
Annex E (informative): ODN reflectance calculations
Annex F (informative): Bibliography
History