HP 3100 EI series switches are Layer 2 Ethernet switches designed for enterprise networks demanding high security & intelligence. They provide 10/100 Mbps downlink & 1000 Mbps uplink Ethernet ports, & serve as access devices for 100 Mpbs-to-desktop applications in enterprise networks. In metropolitan area networks or various industry networks, they connect end users or aggregate client devices with 10/100 Mbps connections, converging at a higher capacity switch with 1000 Mbps interfaces.