User Guide

Data Communication and Host Modes
Rev 3.0B Feb.08 61
• SLIPMode:ThePinPointXusesSLIPtocommunicate
withadeviceorcomputerconnectedtotheserialorUSB
port.
• UDPandUDPPAD:Anydatareceivedontheserialport
isassembledintoUDPpacketsandsenttothesession’s
associatedIPaddressandPort(describedlater).Any
responsesreceivedfromtheassociatedIPaddressandport
destinedfortheDevicePortareunwrappedandsentout
theserial
port.
• TCPandTCPPAD:Anydatareceivedontheserialportis
packagedintoTCPmessagesandsenttotheassociated
connection’sIPaddressandPort(describedlater).Any
datareceivedfromtheTCPpeerisunwrappedandsent
outtheserialorEthernetport.
Data Communication
• PublicandPrivateModes:Themethodusedbythe
PinPointXtopassanIPaddresstoaconnecteddevice.
• Keepalive:HowthePinPointXmaintainsitsconnectionto
thecellularnetwork.
Basic Modes
Start up Mode
TheserialportofthePinPointXcanbeconfiguredtoenterany
ofthemodesautomaticallyonpowerup(inmostcases,thisis
alsoafterithasregisteredonthecellularnetwork).Thisis
donebysettingtheStartupModeDefaulttothedesiredmode.
Ifthissettingis
non‐zero,themodemwillenterthespecified
modeafter5seconds.Ifyouwanttocancelthisbehavior,the
ATMD0commandcanbeusedbeforethe5‐secondtime‐out
expires.
YoucanconfiguretheStartupModeinAceManageratpartof
theUDPgroup.