产品名称：BLACKBOXME890A-R2型号：ME890A-R2品牌：BLACKBOX描述：Opticalisolated.Supportsdistancesupto4000feet.Has1000-VDCisolationbetweenCATxandRS-232interfaces.Maximumspeedof250K.RundataandhandshakesignalsoverCATxcableandbreaktheRS-232distancelimitation.Plug-and-play!Thedriverisapureha***aresolutionprovidingreal-timedatatransferwithnosoftwareconflicts.规格：Uselong-distanceCATxlinkstocommunicatewithserialdevices.Controlpresentati***remotely.Transferdatabetweencomputers.Idealforawidevarietyofapplicati***.Easyinstallation.Thedriverprovidesfull-duplextran***issionandha***arehandshakesignals.There'snoneedforsetuporconfiguration.TheseCATxLineDriversenabletheusertoplaceareceivingdeviceupto4000feetawayfromthesendingdevice.ThelocalunithasaDB9femaleconnectorandisconfiguredasaDCEdevice;theremoteunithasaDB9maleconnectorandisconfiguredasaDTEdevice.Thisallowsthelocal/remotepairtofunctionasalongextensioncablebetweentwoRS-232devices.Therearenouser-configurablesettings.TheseunitspassTXD,RXD,RTS,andCTSsignalstoallowapplicationtouseha***arehandshakesignalsifneccessary.Thisproductincludes:(1)localunit(1)remoteunit(2)120Vpowersupplies)