This document discusses 10 Gigabit Ethernet networking technology. It provides an overview of 10 Gigabit Ethernet standards and applications. Various 10GbE transceiver modules are described such as XENPAK, X2, XFP, and SFP+. Dense wavelength division multiplexing (DWDM) is discussed for extending transmission distances over fiber with DWDM SFP+ transceivers. Ordering information is also provided.