Copper Mountain Network

Sycamore Networks

This company manufactures optical networking equipment and software that enables telecommunications service providers to manage bandwidth and high-speed data traffic.

Hatteras Networks

Hatteras Networks manufactures Ethernet over copper and TDM equipment for telecommunications carriers to deliver high-speed broadband and mobile backhaul services using existing infrastructure.

Acclaim Communications

This company develops semiconductor components and local area network switching products for high-speed digital communications equipment manufacturers.

Broadband Networks

This company designed and manufactured broadband wireless radio equipment for telecommunications service providers.

iMagicTV

This company develops software that enables telecommunications providers to deliver television, web access and interactive services over high-speed internet connections to residential customers.

Concord Communications

This software company develops network performance and service management tools for telecommunications providers and large enterprises to monitor business-critical applications and infrastructure.

Ipsilon Networks

This company develops internet protocol switching hardware and software to provide high-speed routing services for telecommunications and data network operators.

Cadant

The company supplies high-speed networking products and cable modem termination systems to telecommunications carriers for providing internet and multimedia services to mass markets.