Sierra Wireless RJ-11 Network Card User Manual


 
Host RJ-11 IP Gateway
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Inonetypeofconfiguration,TheHostRJ11IPGatewayhas
beendesignedtoworkinconjunctionwithanAirLinkRaven
X.TheIPaddressfortheHostRJ11IPGatewayandtheIP
addressfortheRavenXneedtobeonthesamenetwork.Ifyou
need
tosetaspecificIPaddressfortheRavenXandthe
HostRJ11IPGateway,youwillneedtousePrivateModefor
theRavenX.SettingPrivateModeiscoveredintheRavenE
UserGuide.
Figure 2-9: Host RJ-11 IP Gateway: Network Interface Settings
TCPkeepaliveisastandardfeatureofTCP/IPthatcanbe
configuredtoautomaticallymonitorthestateofTCPconnec
tions.IfoneendofanidleTCPconnectionissevered(likebya
networkorpowerfailure),itispossiblefortheotherendto
remainopenindefinitely.Ifanetworkhostfailswhileithasan
openTCPconnectiontooneofthedeviceserver’sserialports,
thatserial
portmightremainunavailableuntilitismanually
reset.
TheoptionalTCPkeepalivefeaturesendsspecial“keepalive”
packetstotheremoteTCPhostinordertodetectthesituation
wheretheremotehostfails.Ifafailureisdetected,theTCP
connectionisresettoallowotherhoststoaccesstheserialport.