1
Scope
2 References
3 Abbreviations
4 Definitions
5 Architecture of the optical access
network
5.1 Network architecture
5.2 Reference configuration
5.3 Functional blocks
5.4 ONU functional block
5.5 Optical Line Termination
functional block
5.6 Optical Distribution Network
functional block
6 Services
7 User Network Interface and Service
Node Interface
8 Optical network requirements
8.1 Layered structure of optical
network
8.2 Physical medium dependent layer
requirements for the ATM-PON
8.3 Transmission Convergence layer
requirements for the ATM-PON
8.4 Ranging method
9 Operations, Administration and
Maintenance (OAM) functionality
10 Performance
11 Environmental condition
12 Safety
12.1 Electrical safety and protection
12.2 Optical safety and protection
Appendix I – Optional
cases of overall minimum ORL of ODN at Oru and Ord, and Old
and Olu
I.1 Introduction
I.2 Effect of open connectors located at ONU side
of star coupler
I.3 Effect of open connectors located at OLT side of star coupler
I.4 Effect of disconnecting a connector near ONU
Appendix II – Effect
of optical return loss of ODN
II.1 Introduction
II.2 ODN optical return loss of
32 dB
II.3 Other case of ODN reflectance
Appendix III –
Ranging flow diagrams
III.1 Ranging flow in the ONU (example)
III.2 Ranging flow in the OLT (example)
Appendix IV – Access
network survivability
IV.1 Introduction
IV.2 Possible switching types
IV.3 Possible duplex ATM-PON
configurations and characteristics
IV.4 Requirements
IV.5 Required information fields for
PLOAM cell