Shared mesh signaling algorithm and apparatus

Shared optical protection ring architecture

Ship with a data network

Signal relay apparatus of optical communication system

Signal relay apparatus of optical communication system

Signaling protocol and architecture for protection rings

Single-fiber protection in telecommunications networks

Single-fiber protection in telecommunications networks

Split redundant trunk architecture using passive splitters...

Survivable ring transmission system with multiple protection...

Switching algorithm for optical fiber networks

Switching arrangement for fault recovery in optical WDM ring...

System and method for bypassing a faulty node in an optical...

System and method for fully utilizing available optical...

System and method for preventing signal loss in an optical...

System and method for providing destination-to-source...