产品名称：BLACKBOXME771A-MSP-R2型号：ME771A-MSP-R2品牌：BLACKBOX描述：Handlesbothpoint-to-pointormultipointapplicati***.ME745A-R2runsupto38.4kbpsasfaras2.5miles(4km).ME771A-R2–ME773A-R2runupto115.2kbpsasfaras3miles(4.8km).Point-to-pointormultipointapplicati***.Carrier-controlmodeforha***are-controlleddevices.Operateson2-wirehalf-duplexor4-wirehalf-orfull-duplex.规格：BLACKBOX?MultipointMiniDrivershandlebothpoint-to-pointormultipointapplicati***.Inmultipointmode,youcanlinkupto50devicestoanasynchronoushost.Eachlinedriverfeaturesaselectablecarrier-controlmode—perfectforha***are-controlleddevices.Choosea5-screwterminal,anRJ-11,oranRJ-45connectiononthelineside.AllMultipointMiniDriversworkwith2-or4-wiretwisted-paircable.)