ETSI ETS 300 417-2-1
- Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 2-1: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions
- standard by European Telecommunications Standards Institute, 04/01/1997
- Publisher: ETSI
$37.00$74.00
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