Sierra Wireless Compass 597 - Page 58

Compass 597 USB modem - User Guide
58 2130972
FCC FederalCommunicationsCommission—TheU.S.fede ral
agencythatisresponsibleforinterstateand foreigncommuni‐
cations.TheFCCregulatescommercialandprivateradio
spectrummanagement,setsratesforcommunicationsservices,
determinesstandardsforequipment,andcontrolsbroadcast
licensing.Consult
www.fcc.gov.
GPS GlobalPositioningSystem—Asystemthatusesaseriesof24
geosynchronoussatellitestoprov ide nav igationaldata.
firmware SoftwarestoredinROMorEEPROM;essentialprogramsthat
remainevenwhenthesystemisturnedoff.Firmwareiseasier
tochangethanhardwarebutmorepermanentthansoftware
storedondisk.
host • A
computerthatusesamodemorasimilardeviceto
answeracallingcomputer.
• Asourceordestinationinthecommunicationnetwork.
• Acomputerthatcontainsdataorfilestobeaccessedby
clientcomputers.Alsoknownasaserver.
IS InterimStandard—Afterreceivingindustryconsensus,theTIA
forwardsthestandardto
ANSIforapproval.
IS-95 ThestandardforCDMA.
Kbps Kilobitspersecond—Actually1000,not1024,asusedin
computermemorysizemeasurementsofkilobytes.
LAN LocalAreaNetwork
LED LightEmittingDiode—Asemiconductordiodethatemits
visibleorinfraredlight.
MEID MobileEquipmentIdentifier—Theuniquesecond‐generation
serialnumberassignedtothemodemforcellular
networkuse.
ComparetoESN.
MHz Mega‐Hertz—Onemillioncyclespersecond.
Mbps Megabitspersecond
packet Ashortfixed‐lengthblockofdata,includingaheader,thatis
transmittedasaunitinacommunicationsnetwork.
PC Card™ Add‐inmemoryandcommunicationscardsforportable
computers.PC CardisatrademarkofthePCMCIA
.
PCMCIA PersonalComputerMemoryCardInternationalAssociation—
TheorganizationthatstandardizesExpressCardsand
PC Cards.
PCS PersonalCommunicationsServices—Acellular
communicationinfrastructurethatusesadifferentfrequency
rangethanAMPS.