产品名称：BLACKBOXME775A-MSP型号：ME775A-MSP品牌：BLACKBOX描述：Measuringlessthen3incheshigh,they'reidealfortightspaces.Plugrightintoyourmachine'sDB9serialport,soyoustillh***eroomforotherconnecti***.Runsupto115.2kbpsasfaras1.4miles(2.2km).规格：Supportsdistancesupto5miles(8km)at1200bps.Operateshalf-orfull-duplex,async,multipointorpoint-to-pointovertwoorfourwires.Built-insurgeprotection—upto600wattsperwire!Handlesupto50multipointdrops.)