Vitesse Semiconductor Corporation engages in the design, development, manufacture, and marketing of semiconductor products to original equipment manufacturers (OEMs) of carrier and enterprise networking products, and data center infrastructure systems worldwide. It offers a line of Ethernet switching products consisting of carrier Ethernet switch engines for customer premise equipment, access network equipment, wireless base stations, mobile access equipment, fiber and microwave wireless backhaul equipment, and metro networking equipment; and Ethernet switches that enable desktop, workgroup, and LAN infrastructure. The company also provides Ethernet media access controllers that offer addressing and channel control mechanisms and are used in enterprise class modular Ethernet switch platforms, as well as in Ethernet-over-SONET/SDH and Ethernet-over-OTN systems used in access, metro, and long-haul carrier networking systems; Ethernet transceivers, including single, quad, and octal devices that allow the transmission of 10/100/1000 BASE-T data over category 5 copper cable and fiber optic cabling for use in personal computers, home electronics, and LAN applications; and Ethernet transceivers with packet timing and synchronization capabilities. In addition, it provides a line of connectivity products, which comprise mixed-signal physical media devices, physical layer devices, crosspoint switches, and signal integrity devices that are used for the connection of systems via optical fiber, copper cable, or backplanes. Further, the company offers a range of transport processing products, such as framers, mappers, and switches, which support data rates up to 10 Gbps for SONET/SDH, EoS, and OTN applications. It markets and sells its products directly to OEMs and original design manufacturers, as well as through third-party electronic component distributors and manufacturing service providers. The company was founded in 1984 and is headquartered in Camarillo, California.