Cisco's Catalyst 2900 Series XL is a full line of 10/100 autosensing Fast Ethernet switches from the leader in networking that combine outstanding performance, ease-of-use and integrated Cisco IOS software. The Catalyst 2900 Series XL includes five models with different port densities, configuration options, and pricing to meet a broad range of network design requirements. Available in Standard and Enterprise Editions, the software embedded in Catalyst 2900 Series XL switches is upgradable so your investment is protected if your network grows or changes.The modular 12-port, all fiber Catalyst 2912MF XL switch is ideal for aggregating small and mid-sized campus networks over 100BaseFX fiber connections. The 12-port Catalyst 2912 XL switches are ideal for delivering low-cost, high-performance 10 or 100 Mbps bandwidth to individual users and servers.