ainFeatures提供5/8千兆以太网端口,自动MDI/MDI-X支持10/100/1000Mbps自适应支持9kbytes字节巨帧传输提供超薄尺寸，便于DIN导轨和IP30金属外壳及安装套件提供冗余12~48直流电压输入和继电器报警支持广播风暴保护支持宽温操作：-40~75°CTheEKI-2725/2728supportsGigabitEthernet.Thepowerisa+12~48VDCredundantinputdesign,andissecuredwithadoubleprotectionmechani***:PowerPolarityReverseProtectandanOverloadCurrentResetableFuse.Theformertoleratesreversepowerwiringwhilethelatersecuresthesystemfromoverloadcurrents.Asthepowersupplyturnsnormal,EKI-2725/2728willautomaticallygetbacktonormaloperationstate.EachportofEKI-2725/2728has2LED’stoshowthelinkstatustran***issionspeedandcollisionstatus.Italsoprovidesarelayoutputforaneventalarm.Intheeventofapowerfailure,thebuilt-inLEDwillactivatethealarmtonotifyadministrators.Engineerscansimplyverifytheha***arestatusbycheckingtheLED,andh***etroubleshootingeasyandquick.EKI-2725/2728comeswithcompactmetalhousingthatratesIP30tohelpagainstfromdustyindustrialenvironments.)