Recommendation ITU-T G.9806 (2020) Higher-speed bidirectional, single fibre, point-to-point optical access system (HS-PtP) Corrigendum 2 (08/2024)
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Configuration of an OAN
     6.1 System configuration
     6.2 Fibre type
     6.3 Transmission methodology
     6.4 Categories for nominal distances of fibre transmission
     6.5 Wavelength allocation
     6.6 ODN model
     6.7 Line rates
     6.8 Classes for optical path loss
     6.9 Reflectance in ODN
     6.10 Module naming convention
7 Physical layer specification
     7.1 Transmit wavelength/Receive wavelength
     7.2 Bit rate and line coding
     7.3 Spectral characteristics
     7.4 Mean launched power
     7.5 Receiver characteristics
     7.6 Extinction ratio
     7.7 Pulse mask
     7.8 S/X
     7.9 Optical return loss of the interface
     7.10 Test pattern
     7.11 Signal detect
     7.12 Maximum TDECQ
8 Transmission convergence layer and ONU management
     8.1 OAM structure
     8.2 OMCI Ethernet frame
          8.2.1 Frame structure
          8.2.2 Frame format and messages
               8.2.2.1 Destination MAC address and source MAC address
          8.2.3 Frame termination rule
     8.3 Activation process
          8.3.1 Activation initial messaging
          8.3.2 OC message
          8.3.3 OC answer message
     8.4 ONU with multiple UNI ports
     8.5 Managed entities
     8.6 Managed entity relation diagram
     8.7 MIB description
          8.7.1 ONU-E
          8.7.2 ONU data
          8.7.3 Physical path termination point Ethernet UNI
     8.8 Dual managed ONU
     8.9 Encapsulation method for transparent payload
          8.9.1 Design principle
          8.9.2 Control code implementation
          8.9.3 Extension to non 64B66B already encoded tributary units
     8.10 Link pass through capability
9 Service requirements and service enabling features
     9.1 Service requirements
     9.2 Hitless line rate switching
          9.2.1 Hitless line rate switching principles
          9.2.2 Switching messaging sequence
          9.2.3 Switching messages for line rate switching addition to the legacy "watchful sleep"
     9.3 Round trip delay knowledge
     9.4 Port identification
     9.5 Synchronization features and quality
10 Other requirements
     10.1 Silent start function of ONU
     10.2 Provisioning/authentication method
     10.3 Power saving and energy efficiency
          10.3.1 Sleep mode
          10.3.2 Line rate switching
     10.4 Environmental requirements
     10.5 E-OTDR support
     10.6 Encryption/Data privacy
     10.7 Eye safety concerns
Appendix I  Link pass through
Appendix II  Methodology for translating the [IEEE 802.3] BiDi PtP specifications to ITU-T G.9806 specifications for 10 Gbit/s and 25 Gbit/s
Appendix III  Methodology for translating the [IEEE 802.3] BiDi PtP specifications to ITU-T G.9806 specifications for 50 Gbit/s
Appendix IV  Safe pairing principles
     IV.1 High level considerations
          IV.1.1 Operator requirements and best practices
          IV.1.2 Analysis of the legacy BiDi system protocol elements
               IV.1.2.1 Safety considerations on the OLT side
               IV.1.2.2 Safety considerations on the ONU side
     IV.2 Optional enhancements to bidirectional modules
          IV.2.1 OLT CT activation state diagram
          IV.2.2 Remote side network element activation state diagram
Bibliography