The value line from Weidm?ller consists of unmanaged and managed switches in a high quality IP 30 protected metal housing the equipment can be delivered with fast Ethernet and gigabit Ethernet ports. value line managed switches support a variety of helpful management functions, such as fast ring redundancy, port-based VLAN, QoS, RMON, bandwidth management, port mirroring and error notification via e-mail or a relay. the ring redundancy can be simply set via the web based management interface, or with a dip switch found on the top of the switch.