Table of Contents - G.9942 (07/2024) - High speed fibre-based in-premises transceivers - Data link layer

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	Overview of the G.fin protocol stack
	6.1	G.fin time division multiplexing architecture
	6.2	Disambiguation of the concept of frame
	6.3	G.fin protocol stack
	6.4	PHY framing of downstream and upstream
	6.5	DLL frame structure
7	DLL specification
	7.1	Functional model of the DLL
	7.2	Application protocol convergence (APC)
	7.3	Logical link control (LLC)
	7.4	Status reporting DTA signalling and configuration
	7.5	Medium access control
8	Control and management messages
	8.1	F-PLOAM message format
	8.2	Control messages
9	Activation methodology
	9.1	Overview
	9.2	Activation mechanism at the S-FTR
	9.3	M-FTR support of the activation process
10	Time of day distribution over G-fin
	10.1	Notation
	10.2	Timing process
11	Security
	11.1	Basic threat model
	11.2	Authentication
	11.3	Encryption system
12	Power management
	12.1	Introduction
	12.2	F-PLOAM channel modification
	12.3	Bandwidth map flag modification
	Page
	12.4	Alarm modification
	12.5	S-FTR power management protocol
Annex A – SM4 algorithm
Annex B – Authentication methods
	Y.1	Authentication by serial number
	Y.2	Authentication by F-PLOAM password
Appendix I – FEM header error control decoding
Bibliography