MainFeatures提供4x10/100Mbps以太网端口，支持RJ-45连接器提供1x100Mbps多/单模式光纤端口，支持ST连接器支持全半双工流量控制支持综合循环发动机支持MDI/MDI-X自动交叉提供广播风暴保护支持10~30伏直流电输入提供3,000伏直流电浪涌保护（EFT）电压线支持4,000伏直流电以太网ESD保护提供灵活安装方案：DIN导轨，面板，搭载安装支持宽温操作：-10~60°CADAM-6521/STisanindustrial-gradeEthernetswitchwithafiberopticportthatmakesitpossibletoexpandindustrialnetworksfastandcost-effectively.ADAM-6521/SThas1fiberportand4-RJ-45ports.Withfiberoptics,youcanpreventnoiseinterferingwithyoursystemandimplementtran***issiondistancesupto15km.ADAM-6521/STsupportsawidevoltagerangeof+10~30VDCovertheterminalblock,and3,000VDCsurgeprotection(EFT)toprotectitfrombeingdamagedbyover-voltage.Awideoperatingtemperaturerangefrom-10to65°C(14~149°F),makesitfunctionalinharshoperatingenvironments.SixinclusiveLEDindicatorsmaketroubleshootingeasier.EachporthasapairofLEDsthatindicatelinkstatusandtran***issionspeed.Thisfunctionconvenientlyinformsusersofanycollisi***,thelinkstatus,powerfailureanddatareceiptsforimmediateon-sitediagnostics.ADAM-6521/ST-AEGeneralCertificati***CE,FCC,UL/cUL60950-1InterfacePortsNumber1I/OTran***issionDistanceEthernetupto100m,Fiberupto2kmTran***issionSpeedUPto100MbpsPowerSupplyPowerInput1xUnregulated10~30VDCPowerConnector2-pinremovablescrewterminalOperatingSystemTemperature(Operating)-10~70°C(14~158°F)I21Stack:-10~60°C(-40~140°F)GeneralEthernetConnectors1xSTtypefiberconnectorMountingDIN35rail,Wall,Stack)