Sierra Wireless Compass 597 Betriebsanweisung PDF herunterladen (Seite 15)

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

Thisistheworldwideinfrastructureprovidingtheradio

coveragethatallowsyoutostayconnected.Madeupofradio

towersandavarietyofnetworkswitches,routers,andservers,

thenetworkisaninterconnectionofmanyserviceproviders.

Note: Most service providers

have coverage maps on their

web sites.

ThereareCDMAnetworksthatoperateinthefrequencybands

supportedbythemodemthroughoutNorthAmericaand

partsofLatinAmerica,Asia,andNewZealand.However,

eachserviceprovideroperatesanetworkthatcoversalimited

geographicalareawithintheoverallCDMAcoveragearea.

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).

Mostserviceprovidershave“roaming”agreementswithother

serviceproviders,sothattheycanofferserviceoutsideof the

coverageareaoftheirownnetworks.Forexample,assuming

youliveinVancouver(Canada),andtravelfrequentlyto

Seattle(UnitedStates),youcanobtainanaccountwitha

Vancouverserviceprovider

thathasaroamingagreementwith

aserviceproviderinSeattle.Youwouldthenhavelocalservice

inVancouver,androamingserviceinSeattle.

Care and maintenance of your

modem

Aswithanyelectronicdevice,themodemmustbehandled

withcaretoensurereliableoperation.Followtheseguidelines

inusingandstoringthemodem:

• ThemodemshouldfiteasilyintoyourUSBslot.Forcing

themodemintoaslotmaydamageconnectorpins.

• Wheninsertingorremovingthemodem,always

gripitby

thesidesratherthantheend.

• Protectthemodemfromliquids,dust,andexcessiveheat.

• Whennotinstalledinyourcomputer,storethemodemin

asafeplace.

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