The LevelOne GEU-0522 is a wire-speed, non-blocking networking device that provides 5 ports 10/100/1000Mbps Ethernet connections. All ports support auto-negotiation and auto-MDI/MDIX sensing, eliminating the need for crossover cables or Uplink Ports. Each port can be used as general network port or as connecting port into a router, server, hub or another network switch.