DIN EN 300417-2-1:2000-06
Отменен
Transmission and Multiplexing (TM) - Generic requirements for transport functionality of equipment - Part 2-1: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions (Endorsement of the English version EN 300417-2-1 V 1.1.3 (1999-05) as German Standard)
