研瑞科技

Main Features

3 Gigabit Copper/SFP combo ports, plus 7 Fast Ethernet ports
2 Digital Inputs and 2 Digital Outputs for Events and Alarms in the Network
SFP socket for Easy and Flexible Fiber Expansion
Redundancy: Gigabit X-Ring (ultra high-speed recovery time < 10ms), RSTP/STP (802.1w/1D)
Management: Web, Telnet, Serial Console, SNMP
Control: VLAN/GVRP, QoS, IGMP Snooping/Query, LACP, Rate Limit
Security: IP/MAC and port binding, DHCP Server, IP access list, 802.1X, SNMPv3
Diagnostic: Port Statistic, Port Mirroring, RMON, Trap, E-Mail Alert, Syslog
Dual 12 ~ 48 VDC power input and 1 Relay Output
Operating temperature from -10 ~ 60° C

冗余能够增加众多工业自动化应用系统的可靠性。EKI-7657C系列为了建立网络的可靠性，配备了一个研华开发的专用冗余网络协议--X-环，它为用户提供了一种简单方法来建立一个冗余以太网，其超高速的恢复时间不到10ms。此外，EKI-7657C系列还支持许多先进的网络标准以优化网络性能，便于维修及确保网络安全。