Nortel Ethernet Routing Switch 5530-24TFD is a next-generation stackable 10/100/1000/10000 Mbps Ethernet Layer 3 routing switch designed to provide high-density Gigabit desktop connectivity and Gigabit and 10 Gigabit fiber connectivity for aggregation for mid-size and large enterprise customers' wiring closets. It combines higher flexibility of deployment using Gigabit copper or fiber connections coupled with exceptional performance utilizing dual 10 Gigabit uplinks.