OC3 delivery unit; common controller for application modules

OC3 delivery unit; low level maintenance bus

Optical transponder having switching function

Optimized universal card slot system for sonet multiplex equipme

Out-of-band signalling apparatus and method for an optical...

Packet communicating apparatus

Packet communication system

Packet format for a distributed system

Packet modulation for DSL

Packet processing device

Packet processor, packet control method, and packet control...

Packet switch and method for relaying management cells and...

Packet switch and method of scheduling the same

Packet switch device

Packet switch realizing transmission with no packet delay

Packet switch with one-stop buffer in memory with massive...

Packet switching

Packet switching

Packet switching method with time-based routing

Packet-switched system for communication network node