The 5 Port Entry Level Industrial Ethernet series EDS-405A is designed for industrial applications. This switch is equipped with a variety of useful management functions, such as Turbo Ring, Turbo Chain, Ring coupling, IGMP Snooping, IEEE 802.1Q VLAN, port-based Vlan, Qos, RMON, bandwidth management, port mirroring, and send an alert via e-mail or a relay. The Turbo Ring can be easily set up using the Web administration interface or the DIP switch on the top panel of the EDS-405A switch.