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Sierra Wireless RJ-11 Network Card User Manual

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Rev 3.0 B 2/29/08 3

1: Introduction

• Host RJ-11 IP

Gateway Features

Manyexistingmeters,dataloggers,RTUʹs,PLCʹs,point‐of‐

sale,andotherremotedevicesonlyhavephysicalinterfaces

designedtoaccessthetelephonenetwork.Theydonothave

serialorEthernetports.Theycurrentlyuseanalogcellularor

standardphonelinestoconnectincircuit‐switchedmodefor

data

transfer.

Analogcellularphoneserviceisbeingdiscontinued.The

combinationoftheHostRJ‐11IPGateway,RJ‐11IPGateway

andaSierraWirelessAirLinkRavenwithEthernetport,

enablesremoteconnectivitybetweenhostapplicationsand

theseremotedevicesovercellularpacketdatanetworks.The

RJ‐11IPGatewayprovidesthe

bridgebetweenadevice

requiringanRJ‐11interfaceandtheRaven,withitsEthernet

interface.TheHostRJ‐11IPGatewaycanprovideEthernet‐

basedInternetconnectivitytoaLegacyHostsystemwithonly

RJ‐11ports.

Figure 1-1: Host RJ-11 Ethernet Connectivity for a Legacy Host

Host RJ-11 IP Gateway Features

• OneRJ‐11phoneport

Thephoneportisaphonelinedesignedtofunctionjustlike

standardwall‐jackanalogphoneline.Itisdesignedprimarily

toconnectdial‐updevices,withinternalmodems,totheRJ‐11

IPGateway,whichthenroutesdatafromthedevicesoverthe

network.TheRJ‐11IPGateway

andHostRJ‐11IPGateway

mimicsthephonecompany,answeringincomingcallsand

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