User`s manual
25
RemoteControlInterfaceOperation
RS232 Interface
Thisinterfaceisfittedasstandardtoallunitsandisaccessedviathe9‐pinD‐typeconnectorontherearofthe
unit.Notethattoconnecttoacomputer’sCOM(serial)portcorrectly,aone‐to‐onecablemustbeused,and
NOTa‘nullmodem’cable.A‘nullmod
em’cablehasthe‘transmit’and‘receive’wiresswappedoverandwill
notwork.
TheRS232connectionissuitablefordistancesofaboutamaximumof25feetbetweenthePCandtheunit.If
youexperienceproblemswiththeconnect ions,considerselectingaslowerbaudrate.
Notethanonlyoneun
itatatimemaybeconnectedtothecomputerviathisinterface.
RS232Connection(SingleUnit)
Atypicalinterfaceset‐upmightinvolverunninganRS232linkfromlaptoporadesktopcomputertoaDSO480
unit setupasamasterunit.Thediagrambelowshowsthismethodofconnection,therequiredmenuoptions
arealsogiven.NotethattheRS232cablemustbea1‐1conne
ctiontype,NOTanullmodemcable(whichhas
connectionscrossedinternally).
Note:AlwayscheckProelwebsitehttp://www.proelgroup.comforupdatesandsoftwaredownload.