Sierra Wireless Compass 597 Guía de usuario Pagina 15

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Introducing the Compass 597 USB modem
Document 2130972. Rev 1.0 Apr.08 15
The CDMA wireless network
Note: More information about
CDMA networks is available on
the CDMA Development Group
web site,
www.cdg.org
.
Thisistheworldwideinfrastructureprovidingtheradio
coveragethatallowsyoutostayconnected.Madeupofradio
towersandavarietyofnetworkswitches,routers,andservers,
thenetworkisaninterconnectionofmanyserviceproviders.
Note: Most service providers
have coverage maps on their
web sites.
ThereareCDMAnetworksthatoperateinthefrequencybands
supportedbythemodemthroughoutNorthAmericaand
partsofLatinAmerica,Asia,andNewZealand.However,
eachserviceprovideroperatesanetworkthatcoversalimited
geographicalareawithintheoverallCDMAcoveragearea.
Note: The fee for service is
usually higher when you are
roaming (connecting to a
network other than the one
belonging to your service
provider).
Mostserviceprovidershaveroamingagreementswithother
serviceproviders,sothattheycanofferserviceoutsideof the
coverageareaoftheirownnetworks.Forexample,assuming
youliveinVancouver(Canada),andtravelfrequentlyto
Seattle(UnitedStates),youcanobtainanaccountwitha
Vancouverserviceprovider
thathasaroamingagreementwith
aserviceproviderinSeattle.Youwouldthenhavelocalservice
inVancouver,androamingserviceinSeattle.
Care and maintenance of your
modem
Aswithanyelectronicdevice,themodemmustbehandled
withcaretoensurereliableoperation.Followtheseguidelines
inusingandstoringthemodem:
ThemodemshouldfiteasilyintoyourUSBslot.Forcing
themodemintoaslotmaydamageconnectorpins.
Wheninsertingorremovingthemodem,always
gripitby
thesidesratherthantheend.
Protectthemodemfromliquids,dust,andexcessiveheat.
Whennotinstalledinyourcomputer,storethemodemin
asafeplace.
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