5-port Unmanaged(Fiber) 4 x 10/100BaseT(X) (RJ45) 1 x fiber port with ST (-Fm model) or SC (-Fs model) Broadcast storm protection Support IEEE 802.3/ 802.3u/ 802.3x 10/100M, Full/Half-Duplex, MDI/MDI-X auto-detection Redundant dual DC power inputs Operating temperature ranges from 0~60°C Rugged high-strength plastic case DIN-Rail or wall mount support

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