Many useful types of signals are synchronous, meaning that they use bit patterns that are transmitted using a built-in, fixed-frequency clock signal. Uncompressed digital video and audio signals are ...

All network elements in a Synchronous Optical Network (SONET) must be synchronized to the same clock in order to prevent data loss. This common clock is a highly accurate free-running cesium clock or ...

The longevity of Plesiochronous Digital Hierarchy/Synchronous Digital Hierarchy (PDH/SDH) communications networks in the utility industry is remarkable. Used for decades to monitor and control the ...

The global energy transition is placing unprecedented demands on transmission and distribution networks. As renewable ...