Cisco offers a range of Xenpak module for 10 Gigabit Ethernet deployments. These industry standard small, modular interface transceivers offer a convenient and cost effective solution for the adoption of 10 Gigabit Ethernet in data center, campus, metropolitan area access and ring networks. Xenpaks are offered for several reaches and transmission media and are supported on the Catalyst 6500, 3750 Series Switches and 7600 and CRS-1 routers today.