The modular Catalyst 2820 series switches are the ideal solution for Ethernet workgroups and individual users who need increased performance at a surprisingly affordable price, and 100BaseT connectivity to servers and network backbones.A Catalyst 2820 series Standard Edition switch is an effective backbone in a small/medium business network, aggregating 10BaseT hubs and network resources, or used at the workgroup level in a large network for dedicated, high speed connections from individual desktops to servers and other network devices.