IEISSNIIES-4004isaninnovativePCI-busLite-managedRedundantRingEthernetswitcheswith4x10/100TXports.ItimmediatelyupgradescurrentIPC/embeddedsystemtoredundantEthernetnetwork.WithcompletelysupportofEthernetRedundancyprotocol,Quality-Ring(recoverytime 10msover250unitsofconnection)andRSTP/STP(IEEE802.1w/D)canprotectyourmission-criticalapplicationsfromnetworkinterruptionsortemporarymalfunctionswithitsfastrecoverytechnology.IIES-4004isabletohandledifferenttypesofnetworkconfiguration,suchasNetwork+DeviceRedundant,NetworkRedundant,DeviceCommunicationRedundantandEthernetSwitch.Inaddition,IIES-4004providesuserswithPCIandexternalredundantpowerinputs,guaranteesanon-stopoperation.Normally,PCIbuscansupplyprimarypower,whenthehostdeviceshutsdown;IIES-4004isabletoworkthroughexternalpowercontinuously.Therefore,IIES-4004isthebestsolutiontoupgradecurrentIPCsystemintoredundantEthernetworld.