Communication monitoring method, communication monitoring...

Communication network system

Communication network system including ring network that...

Communication node, restoration method and communication...

Communication path quality monitoring method and quality...

Communication system architecture and operating methodology...

Communication system, relay apparatus, end system, and...

Communication system, switch

Communication systems

Communications interconnect with make-before-break signal...

Communications system and method providing optimal restoration o

Communications system, apparatus and method therefor

Composite network protective/recovering device for synchronous d

Configurable communication output redundancy

Configurable network router

Connection setting method in ATM network

Connection-oriented network node

Constructing repair paths around multiple non-available...

Control apparatus and method for relay node duplexing

Control processor switchover for a telecommunications switch