Cisco's Catalyst 2900 Series XL is a full line of 10/100 autosensing Fast Ethernet switches that offer outstanding performance, versatile modularity, and easy-to-use management.A Catalyst 2916M XL autosensing Fast Ethernet switch with 16 switched 10BaseT100BaseTX ports and two versatile module slots is ideal for delivering low-cost, high-performance, 10- or 100-Mbps bandwidth to individual users and servers.