Zhone Technologies Inc. (Zhone) designs, develops and manufactures communications networks equipment for telecommunications, wireless and cable operators worldwide. With the Company's products and solutions, network service providers can migrate from traditional circuit-based networks to packet-based networks and from copper-based access lines to fiber-based access lines without abandoning the investments they have made in their existing infrastructures. In addition to its established product offerings, Zhone launched its MXK IP Multi-service Terabit Access Concentrator (MXK) and multiple new Optical Line Terminal (OLT) and outdoor units. The Company�s MXK product is a converged multi-services access platform that can be configured as a gigabit passive optical network (GPON) or active Ethernet OLT. During the year ended december31, 2011, the Company sold over 2,200 MXK systems.