Terms and definitions for Synchronous Digital Hierarchy (SDH) networks SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital terminal equipments ?Principal characteristics of multiplexing equipment for the synchronous digital hie
This Recommendation provides terms, definitions, and abbreviations used in synchronous digital
hierarchy (SDH) Recommendations. Physical layer terminology, synchronization-related
terminology, and terms applicable to multiple technologies in addition to