Installation guide

ManualsBrandsSierra Wireless ManualsComputer equipmentAirCard 555 Wireless

Installation Guide

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FCC FederalCommunicationsCommission—TheU.S.federal

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.

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 1. Acomputerthatusesamodemorasimilardeviceto

answeracallingcomputer.

2. Asource

ordestinationinthecommunicationnetwork.

3. Acomputerthatcontainsdataorfilestobeaccessedby

clientcomputers.Alsoknownasaserver.

IP InternetProtocol—ThebasicInternettransportmechanism.

Also,anOSIlayer3networklayerprotocol.

IP address AuniqueaddressontheInternet.Eachmodemmusthave

one,to

operateonapacketnetwork.TheIPaddressisa

uniquenumberconsistingoffourpartsseparatedbydots.

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.

MHz Mega‐Hertz—Onemillioncycles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Associ‐

ation—TheorganizationthatstandardizesPC Cards.

PCS PersonalCommunicationsServices —Acellularcommuni‐

cationinfrastructurethatusesadifferentfrequencyrangethan

AMPS.

QNC QuickNetConnect—ACDMAconnectionmethodthat

reducescallsetuptimeforcircuit

switchedconnectionstothe

Internet.