DIN EN 300417-5-1:2000-06
Отменен
Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 5-1: Plesiochronous Digital Hierarchy (PDH) path layer functions (Endorsement of the English version EN 300417-5-1 V 1.1.3 (1999-05) as German Standard)
