Transmission and Multiplexing (TM);Synchronous Digital Hierarchy (SDH);Network protection schemes;Automatic Protection Switch (APS) protocols and operation (Endorsed by Asociación Espanola de Normalización in January of 2023.)
NORMA vydaná dňa 1.1.2023
Designation standards: UNE-ETS 300746ED1
Publication date standards: 1.1.2023
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE