Sony USB 598 Modem User Manual


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USB 598 modem - User Guide
48 2131141
FCC FederalCommunicationsCommission—TheU.S.federal
agencythatisresponsibleforinterstateand foreigncommuni‐
cations.TheFCCregulatescommercialandprivateradio
spectrummanagement,setsratesforcommunicationsservices,
determinesstandardsforequipment,andcontrolsbroadcast
licensing.Consult
www.fcc.gov.
firmware SoftwarestoredinROMorEEPROM;essentialprogramsthat
remainevenwhenthesystemisturnedoff.Firmwareiseasier
tochangethanhardwarebutmorepermanentthansoftware
storedondisk.
GPS GlobalPositioningSystem—Asystemthatusesaseriesof24
geosynchronoussatellitestoprov ide nav igationaldata.
host • A
computerthatusesamodemorasimilardeviceto
answeracallingcomputer.
• Asourceordestinationinthecommunicationnetwork.
• Acomputerthatcontainsdataorfilestobeaccessedby
clientcomputers.Alsoknownasaserver.
IS InterimStandard—Afterreceivingindustryconsensus,theTIA
forwardsthestandardto
ANSIforapproval.
IS-95 ThestandardforCDMA.
Kbps Kilobitspersecond—Actually1000,not1024,asusedin
computermemorysizemeasurementsofkilobytes.
LAN LocalAreaNetwork
LED LightEmittingDiode—Asemiconductordiodethatemits
visibleorinfraredlight.
MEID MobileEquipmentIdentifier—Theuniquesecond‐generation
serialnumberassignedtothemodemforcellular
networkuse.
ComparetoESN.
Mbps Megabitspersecond
MHz Mega‐Hertz—Onemillioncyclespersecond.
packet Ashortfixed‐lengthblockofdata,includingaheader,thatis
transmittedasaunitinacommunicationsnetwork.
PCS PersonalCommunicationsServices—Acellular
communicationinfrastructurethatusesadifferentfrequency
rangethanAMPS.
roaming Acellular
subscriberisinanareawhereserviceisobtained
fromacellularserviceproviderthatisnotthesubscriber’s
provider.
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