The company's products enable high-speed communications for networking and storage applications over Gigabit Ethernet LANs, Fibre Channel SANs, and MANs using IP and SONET/SDH-based protocols. Finisar's optical subsystems consist of transmitters, receivers, transceivers, transponders, and active optical cables that provide the fundamental optical-electrical or opto-electronic interface for interconnecting electronic equipment used in building communication networks. The company also develops optical subsystems for wireless and cable TV applications. With headquarters in Sunnyvale, California, Finisar has R&D, manufacturing sites, and sales offices worldwide.