World's fastest Redundant Ethernet Ring: iA-Ring (Recovery time < 10ms over 250 units connection) Supports Ring Coupling, Dual Homing, iA-Ring Supports SNMPv1/v2/v3 & RMON & Port base/802.1Q VLAN Network Management Event notification through Syslog, Email, SNMP trap and Relay Output Web-based, Telnet, Console, CLI configuration All Gigabit Ethernet ports for 4 10/100/1000 Base-T(X) and 4 SFP ports Redundant dual DC power inputs (Terminal block) Windows utility (EtherManger) for network management

Dot Matrix LCD Data Terminal (RS-485 interface) Full-size Font: 15 char.x4 row alphanumeric or Chinese characters of 16x16 dot font Half-size Font: 30 char.x8 row alphanumeric characters of 8x8 dot font EPROM: With 13,000 16x16 Chinese characters stored