What are SDH Standards?

Relevant Standards:
• ITU-T G.703 Physical/electrical Characteristics of Digital Interfaces
Plesiochronous Digital Hierarchy (PDH)
• ITU-T G.732/G.744/G.751
Synchronous Digital Hierarchy (SDH)
• ITU-T G.707 Network Node Interface for the Synchronous Digital Hierarchy
• ITU-T G.783 Characteristics of SDH Equipment Functional Blocks
• ITU-T G.784 SDH Management
• ITU-T G.957 Optical Interfaces for Equipment ans Systems relating to SDH
• ETS 300 147 Synchronous Digital Hierarchy Multiplexing Structure
• ETS 300 417 Generic functional requirements for SDH equipment