About this document

Understanding Plesiochronous Digital Hierarchy by Minto Issac is a document available to read on EtoBox.

Plesiochronous Digital Hierarchy (PDH) is a telecommunications technology that transports large amounts of data over digital networks using fiber optic or microwave systems. PDH allows for transmission of data streams that are nearly synchronized but allow for slight variations in speed. PDH is being replaced by Synchronous Digital Hierarchy (SDH) and Synchronous Optical Networking (SONET) equipment, which use tighter synchronization via atomic clocks. SDH and SONET can encapsulate earlier standards like PD

Author

Minto Issac

Language

EN