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G.781 : Synchronization layer functions for frequency synchronization based on the physical layer  

Recommendation G.781

In force components
Number
 Title Status
G.781 (01/24)
  		Synchronization layer functions for frequency synchronization based on the physical layer   In force
G.781 (2024) Amendment 1 (08/24)
  		  In force
G.781 (2024) Amendment 2 (07/25)
  		  In force
 
 
Superseded and Withdrawn components
Number
 Title Status
G.781 (12/90)
  		Structure of Recommendations on multiplexing equipment for the synchronous digital hierarchy (SDH)   Superseded
G.781 (07/99)
  		Synchronization layer functions   Superseded
G.781 (1999) Corrigendum 1 (06/04)
  		 
 		Superseded
G.781 (09/08)
  		Synchronization layer functions   Superseded
G.781 (2008) Corrigendum 1 (11/09)
  		  Superseded
G.781 (08/17)
  		Synchronization layer functions   Superseded
G.781 (04/20)
  		Synchronization layer functions for frequency synchronization based on the physical layer   Superseded
G.781 (2020) Amendment 1 (11/22)
  		  Superseded

 

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Updated : 2025-08-28