Sycamore Networks

Infinera

This company manufactures optical networking equipment and semiconductors for telecommunications service providers, internet content providers, and enterprise network operators.

Broadband Networks

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

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.

Copper Mountain Network

This company supplies digital subscriber line communications hardware and software to telecommunications service providers for high-speed data and voice delivery using existing copper infrastructure.

Ipsilon Networks

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

Nexabit

The company manufactured high-speed terabit switches and routers for internet service providers and telecommunications carriers to manage large-scale data traffic.

Tejas Networks

This company develops optical and data networking products for telecommunications providers, internet service providers, utilities, and government organisations globally.

PMC-Sierra

This company manufactures semiconductor and software solutions for telecommunications and data storage equipment providers.