Ethernet switching equipment, namely, telecommunications hardware and software for utilizing Ethernet, DSL, and SONET to deliver voice, data and Ethernet services, the hardware being modular chassis with interface slots that receive Ethernet and telecom modules, and fixed configuration channel service units that provide Ethernet and telecom interfaces

Ethernet switching equipment, namely, telecommunications hardware and software for utilizing Ethernet, DSL, and SONET to deliver voice, data, and Ethernet services, the hardware being modular chassis with interface slots that receive Ethernet and telecom modules, and fixed configuration channel service units that provide Ethernet and telecom interfaces