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研华8端口非网管型交换机EKI-2528：
研华EKI-2525/2528设备具有EKI系列的标准性能。它提供了12~48VDC 冗余电源输入设计及电源极性反接保护、过载可重设保险管双重安全保护机制。前者可保证当电源连线正、负端被接反时，设备也不会因此损坏，仍会正常工作。后者可保证电源连接恢复正常时，系统免于过载电流的损害并回到正常工作状态。The EKI-2525/2528的每个端口都有连接状态传输速度及冲突状态的指示灯。在电源发生故障时，设备将会使用继电器输出，LED 指示灯亮并报警通知管理员。工程师可方便地通过指示灯对硬件进行快速的检测
研华EKI-2528特点：
1.提供8个自适应快速以太网口
2.支持10/100Mbps自适应
3.提供广播风暴保护
4.结构紧凑，支持DIN导轨安装/壁挂式安装
5.支持12~48VDC冗余电源输入和继电器报警
规格书：
研华EKI-2528
