8-port Giga-bit Managed Forming one of the fastest-recovery Redundant Ethernet Rings with recovery time < 10ms over 250-unit connection Supporting "iA-Ring", Ring Coupling and Dual Homing Topologies Supporting SNMPv1/v2/v3, RMON & Port based/802.1Q VLAN network managements Event notification by Email, SNMP trap and Relay Closing Web-based, Telnet, and CLI configurations Proprietary Windows utility EtherManager for switch configuration and network management Redundant DC power inputs on the terminal block plus a DC-Jack Current overload protection Reverse polarity protection -10~60°C extended operating temperature

8-port Giga-bit Unmanaged 6 100TX ports plus one of the following: 2 100TX, 2 1000TX; 2 1000LX or 2 1000SX fiber ports Redundant DC power inputs, total 3:2 on the terminal block & 1 DC-Jack Fault indicator and relay closing triggered by at least one power failure Full/Half-Duplex, auto MDI/MDI-X IP-30 Casing DIN-Rail mount/wall-mount/desktop installation -40~75°C extended operating temperature