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ETSI ETS 300 417-4-1
- Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 4-1: Synchronous Digital Hierarchy (SDH) path layer functions
- standard by European Telecommunications Standards Institute, 06/01/1997
- Publisher: ETSI
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Functional requirements for VC path layers of SDH interfaces on all ty pes of equipment based on the generic principles described in part 1-1 .