Short cell management unit and method

Signal transfer device in a telecommunications network

Silent datapath failure detection

Sliding frame comparator in a network diagnostic device

Smart protection escalation mechanism prevention

SONET network outage impact measurement

SONET network outage impact measurement

SONET network outage impact measurement

Sparse channel dual-error tracking adaptive filter/equalizer

Storage control apparatus, storage apparatus, storage...

Subscriber control module having a test apparatus for...

Switch apparatus and network system

Switch protection arrangement

Switching router and a datagram transfer system

Synchronous data communication

Synchronous transmission system with fault location function...

System and method for broadband analysis of telephone local...

System and method for correlating transaction messages in a...

System and method for dead gateway detection

System and method for detecting a network failure