Doc.no#:310‐0300‐001‐002R200Manual Page6
RS‐232Port
TheonboardRS‐232ports(T1,R1,T2,R2,T3,R3)isusedfortwoway
communication.Thisportisusedforthedeviceyouwanttouse
replyon(e.g.yourprojector).T1andR1canalsobeusedfor
uploadingsettingstotheunit(beawarethatthisisthemostslow
waytodothis).
ToconnecttheNeetsControl‐AlFayoumustwiretheRS‐232cableas
shownheretotheright.ThisisaFemale9pinSUB‐Dconnectorthatwillfitintoa
standardcomputerRS‐232port,oranyUSBtoRS‐232converter.Beforebeingableto
uploadthroughtheRS232portsyouneedtosettheAlFaintoBootmodeseepage7for
details.
IR/RS‐232ports
TheAlFahas4ports(T2,T3,T4andT5)thatcanbeconfigured(insoftware)eitherasRS‐232orasIR
emitter.
uSD‐Card
TheuSD‐Cardisusedtostoragefirmware,homepageandsettings.Undernormal
operationremovaloftheuSD‐Cardisnotneeded.Ifneeded,youcancopythe
settingsandthefirmwaredirectlyontothecard.
ToremovetheSDCardfromtheunit,youpushtheSDCardgentlyinto
theholderabout1mm(byusingyourfingertips).Releaseagain,anditwill
slideout.
WhenusedasRS‐232
transmitport:Connectthe
devicetoe.g.T2andGND,as
shownhereabove.
WhenusedassingleIRport:
ConnecttheIRemittertoe.g.
T2(whitestripedwire)and
GND,asshownhereabove.
WhenusedasdualIRport:Connect
theIR‐1emittertoe.g.T2(white
stripedwire)andblackwireonIR‐1
emittertoIR‐2emitter(whitestriped
wire),andblackwirefromIR‐2emitter
toGND,asshownhereabove.
Junction
REMEMBERtoremove
powerfromunitbefore
removingMicroSDcard!