Communication systems, circuits, circuit systems and methods...

Compliance of master-slave modes for low-level debug of...

Control apparatus for controlling recovery of...

Data channel test apparatus and method thereof

Data communication system with self-test facility

Data communications apparatus, data communications method,...

Data link layer quality of service for UMTS

Data transmission apparatus and method

Data transmission apparatus and method

Data transmission apparatus and method

Data transmission apparatus and method

Data transmission speed test system and method

Data transmitter device, repeater device, data...

Data transmitting apparatus, data transmitting method, data...

Data transmitting/receiving apparatus for executing data...

Detection of loop-back conditions on faulty digital trunks

Diagnosis of data transfer faults using constraints

Diagnostics of cable and link performance for a high-speed...

Discovery of acceptable packet size using ICMP echo

Dual speed hub, and the related redundant switching method