Configurable industrial managed switches network Ethernet devices and ensure access to system data. Ring redundancy technologies with 300- or 50-ms recovery times and dual power supply connections help ensure system reliability. The fully managed switches offer Web-based management or CCI configuration. Built-in IT functions support port mirroring, VLAN, QoS, SNMP, SMTP, IGMP snooping, LLDP and 10.240 byte jumbo frame size. Security functions include MAC limitation, port security, access control list and IEEE 802.1x. Also supported are combined copper and fiber optic connections up to 1 gigabit.