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Introduction to the PinPoint X
Rev 4.0 Oct.09 6
IfyouneedtocontactyourPinPointX,adeviceconnectedto
thePinPointX,orahostsystemusingthePinPointXfromthe
Internet,youneedtohaveaknownIP(suchasonewhichis
static)ordomainname(anIPaddresswhichisconvertedbya
DNS
serverintoawordbasedname).IfyouhaveadynamicIP
addressforyourmodem,youcanuseaDynamicDNSservice
(suchasIPManager)totranslateyourIPaddressintotoa
domainname.
Caution:
If you want to connect remotely to your PinPoint X using
TCP/IP, the IP address given to your modem by your cellular provider
cannot be a private or internal IP address (such as a special private
network) unless you are on the same network or inside that network’s
firewall (such as with frame relay).
Communication HSUPA
ManyoftheGSMNetworkshavebeenexpandedtoHSUPA.
HSUPA
HSUPA(High‐SpeedUplinkPacketAccess)isacellular
technologywhichmostcloselyresemblesabroadband
synchronousconnection.Theuploadanddownloadspeeds
aremaximizedtoprovideafasterthroughput,reachingspeeds
upto2.0Mbit/sfortheuplinkand7.2Mbit/sforthedownlink.
Pleasecheckwithyournetworkproviderontheavailabilityof
HSUPA.
HSDPA
HSDPA(High‐SpeedDownlinkPacketAccess)isacellular
technologyallowingforhigherdatatransferspeeds.In
HSDPAmodeofoperation,maxspeedsareupto7.2Mbit/sin
thedownlinkand384kbit/sintheuplink.HSDPAuses
AdaptiveModulationandCoding(AMC),fastpacketsched
‐
ulingattheNodeB(BaseStation)andfastretransmissions
fromNodeB(knownasHARQ‐HybridAutomaticRepeat
Request)todelivertheimproveddownlinkperformancevs.
UMTSandEDGE.
HSPDA(andHSUPA)fallsbacktoUMTS,EDGEorGPRS (in
orderofprecedence).Thisfeatureallowsyoutohaveseamless
connectivitynomatterwhereyourPinPointXis.