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 Architecture of the optical access network
6.1 Classes for optical path loss
6.2 Categories for fibre differential distance
7 Services
8 User network interface and service node interface
9 Optical network requirements
9.1 Layered structure of XG-PON optical network
9.2 Physical media dependent layer requirements for the XG-PON
There are two ONU types, based on different ONU receiver sensitivity.
10 X/S tolerance masks
10.1 X/S tolerance mask for ONU
10.2 X/S tolerance mask for OLT
11 Upstream physical layer overhead
Annex A – ONU out-of-band power spectral density
Appendix I – Examples of wavelength allocation for XG-PON, G-PON and video
distribution services
Appendix II – Physical layer measurements required to support optical layer
supervision
Appendix III – Allocation of the physical layer overhead time
Appendix IV – Jitter budget specifications
IV.1 The concept of jitter budget
IV.2 Definition of test points
IV.3 Jitter budget specification for XG-PON
IV.4 Jitter measurements for compliance to budget
Appendix V – Measurement of burst mode acquisition time and burst mode eye
opening at OLT
Bibliography