Table of Contents - G.798 (02/2026) - Characteristics of optical transport network hierarchy equipment functional blocks - Overview

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 optical transport network equipment series
	6.1	Media element and non-associated overhead
	6.2	Optical transmission unit (OTU) and optical data unit (ODU) optical transport network (OTN) layers
	6.3	Flexible optical transport network (FlexO)