User guide
Configuration Commands
Rev 3.0D Jul.09 126
MDhh
Defaultpower‐upmodefortheserialport:WhentheRavenXT
modemispower‐cycled,theserialportentersthemode
specifiedbythiscommandafter5seconds.Onstartup,typing
ATMD0within5secondschangesthemodetonormal(AT
command)mode.SeealsoS53tosettheport
forUDPorTCP.
S82=n
EnablesUDPautoanswer(half‐open)mode.
• n=0:Normalmode
• n=2:EnableUDPautoanswermode.
S83=n
SetorqueryUDPautoansweridletime‐out.Ifnodataissent
orreceivedbeforethetime‐outoccurs,thecurrentUDPsession
willbeterminated.Whileasessionisactive,packetsfrom
otherIPaddresseswillbediscarded(unless*UALLisset).
• n=0:Noidletime‐out(Default).
• n=1‐255:Time‐outinseconds.
*DU=n
ThedialcommandalwaysusesUDP,evenwhenusingATDT.
• n=0:Dialusingthemeansspecified(default).
• n=1:DialUDPalways,evenwhenusingATDT.
Note: When this parameter is set you cannot establish a TCP PAD
connection.
*UALL=n
AcceptsUDPpacketsfromanyIPaddresswhenaUDP
sessionisactive.IfthereisnoUDPsessionactive,anincoming
UDPpacketwillbetreatedaccordingtotheUDPaut oanswer
andAIPsettings.
• n=0:Noeffect(Default).
• n=1:AcceptUDPdatafromallIPaddresseswhenina
UDPsession.