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研华网管型工业以太网交换机EKI-7706E：
EKI-7706E-2F/2FI支持4个千兆以太网端口和2个SFP端口。它提供了丰富的端口来连接许多设备，并嵌入了研华的IXM功能，有利于用户在短时间内完成快速部署并大大节省工程师的时间与成本。EKI-7700系列同时支 持NMS软件帮助IT管理者进行网络维护和故障预防。最后，EKI-7706E系列支持研华冗余环网协议X-Ring Pro，具有小于20ms的超高速自愈时间，为您搭建可靠地工业网络
研华EKI-7706E特点：
1.4个百兆以太网接口，2个千兆SFP插槽
2.SFP 插槽可进行简单灵活的光纤扩展
3.冗余：X-Ring Pro( 超高速自愈时间<20ms)，RSTP/STP/MSTP（802.1w/1D/1s）
4.IXM自动快速布建功能
5.安全 : 802.1x (Port-Based, MD5/TLS/TTLS/PEAP Encryption),RADIUS
6.管理：SNMP v1/v2c/v3,WEB,Telnet,StandardMIB,Private MIB
7.铁路和交通认证：EN50121-4， NEMA TS2
8.工作温度：-40～75°C(EKI-7706E-2FI)
9.电源：两路12～48VDC 电源输入， 1路继电器输出
