Transmission and Multiplexing (TM);Digital Radio Relay Systems (DRRS);Synchronous Digital Hierarchy (SDH);System performance monitoring parameters of SDH DRRS (Endorsed by Asociación Espanola de Normalización in October of 2021.)
NORMA vydaná dňa 1.10.2021
Designation standards: UNE-EN 301129V1.1.1
Publication date standards: 1.10.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE