Sierra Wireless RJ-11 Network Translation

Hardware
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•OutgoingNetworkConnection:Enablesanoutgoing
connectiontothespecifiedhost.
•OutgoingTeln etConnection:Enablesanoutgoingtelnet
connectiontothespecifiedhost.
•ModemServiceOptions:WhenModemServiceis
selected,youmayalsoconfiguretheSourceTCPPort.In
mostcases,thevalueusedforthesourceportisarbitrary
andyoucanleavethisfieldsetto0for“any”.However,if
yourserverorfirewallhasspecificrequirementsyoumay
specifyanexplicitsourceportnumberintheSourceTCP
Portfield.IfthisportisnotavailablewhentheTCPservice
startsup,anerrorwilloccurandtheTCPservicewillreset
andtryagain.
Network Translation
TheRJ‐11IPGatewayiscapableofacceptingincomingTCP
connectionsandredirectingthemtoremoteTCPhosts.This
functionalityiscallednetworktranslationandbehavesmuch
likeaTCP“pipe”betweentwosystems.TheHostRJ‐11IP
GatewayalsousesNetworkTranslationtoallowconnections
totheweb‐baseinterfaceonaportotherthanthehttpprotocol
definedportof80whichisfrequentlyblockedbycellular
carriers.
Figure 2-6: RJ-11 IP Gateway: Network Tnaslation
Itisalsopossibletomodifythenetworkprotocoltraveling
throughtheTCPpipebyusingtheProtocolSettingspageto
definetheremotehostʹsprotocolrequirements.Themost