CONTENTS

 1     Scope
 2     References
 3     Abbreviations
 4     Definitions
 5     Configuration of an OAN
        5.1     Reference configuration
        5.2     Functional architecture
 6     Fibre type
 7     Transmission methodology
 8     Wavelength allocation
        8.1     Wavelength range for the 1310 nm region
        8.2     Wavelength range for the 1550 nm region
 9     OAN system specification
        9.1     OAN capacity and ONU classes
        9.2     Logical reach limitation
        9.3     ONU functional specification
                  9.3.1     ONU core shell
                  9.3.2     ONU service shell
                  9.3.3     ONU common shell
        9.4     OLT functional specification
                  9.4.1     OLT core shell
                  9.4.2     OLT service shell
                  9.4.3     OLT common shell
        9.5     Operation, Administration and Maintenance (OAM) functionality
10     UNI and SNI interfaces
11     ODN functional requirements
       11.1     Passive optical elements
       11.2     ODN model
                 11.2.1     ODN model loss calculations
                 11.2.2     ODN model loss calculation technique
       11.3     Classes for optical path loss
       11.4     Reflectance in ODNs6
       11.5     Chromatic dispersion
12     Maximum signal transfer delay
13     Environmental conditions
14     Safety
       14.1     Electrical safety and protection
       14.2     Optical safety and protection
Appendix I – Optical amplifiers (OAs) for OANs
Appendix II – Survey of possible wavelength allocation for interactive services
Appendix III – OAM functionality
      III.1     Configuration management
      III.2     Performance management
      III.3     Fault management
      III.4     Security management
Appendix IV – Optical loss calculation techniques
       IV.1     Gaussian statistical approach
       IV.2     Monte Carlo statistical approach