Samsung SCX-4701ND - Page 122

6.ReferenceInformation
Modem
Adevicethatmodulatesacarriersignaltoencodedigitalinformation,andalsodemodulatessucha
carriersignaltodecodetransmittedinformation.
MR
ModiedRead(MR)isacompressionmethodrecommendedbyITUTT.4.MRencodestherst
scannedlineusingMH.Thenextlineiscomparedtotherst,thedifferencesdetermined,andthenthe
differencesareencodedandtransmitted.
NetWare
AnetworkoperatingsystemdevelopedbyNovell,Inc.Itinitiallyusedcooperativemultitaskingto
runvariousservicesonaPC,andthenetworkprotocolswerebasedonthearchetypalXeroxXNS
stack.TodayNetWaresupportsTCP/IPaswellasIPX/SPX.
OPC
OrganicPhotoConductor(OPC)isamechanismthatmakesavirtualimageforprintusingalaser
beamemittedfromalaserprinter,anditisusuallygreenorrustcoloredandhasacylindershape.
Animagingunitcontainingadrumslowlywearsthedrumsurfacebyitsusageintheprinter,and
itshouldbereplacedappropriatelysinceitgetswornfromcontactwiththecartridgedevelopment
brush,cleaningmechanism,andpaper.
Originals
Therstexampleofsomething,suchasadocument,photographortext,etc,whichiscopied,
reproducedortranslatedtoproduceothers,butwhichisnotitselfcopiedorderivedfromsomething
else.
OSI
OpenSystemsInterconnection(OSI)isamodeldevelopedbytheInternationalOrganizationfor
Standardization(ISO)forcommunications.OSIoffersastandard,modularapproachtonetwork
designthatdividestherequiredsetofcomplexfunctionsintomanageable,self-contained,functional
layers.Thelayersare,fromtoptobottom,Application,Presentation,Session,Transport,Network,
DataLinkandPhysical.
PABX
Aprivateautomaticbranchexchange(PABX)isanautomatictelephoneswitchingsystemwithina
privateenterprise.
PCL
PrinterCommandLanguage(PCL)isaPageDescriptionLanguage(PDL)developedbyHPasa
printerprotocolandhasbecomeanindustrystandard.Originallydevelopedforearlyinkjetprinters,
PCLhasbeenreleasedinvaryinglevelsforthermal,dotmatrixprinter,andlaserprinters.
PDF
PortableDocumentFormat(PDF)isaproprietaryleformatdevelopedbyAdobeSystemsfor
representingtwodimensionaldocumentsinadeviceindependentandresolutionindependentformat.
PostScript(PS)
PostScript(PS)isapagedescriptionlanguageandprogramminglanguageusedprimarilyinthe
electronicanddesktoppublishingareas.-thatisruninaninterpretertogenerateanimage.
PrinterDriverAprogramusedtosendcommandsandtransferdatafromthecomputertotheprinter.
PrintMedia
Themedialikepaper,envelopes,labels,andtransparencieswhichcanbeusedinaprinter,ascanner,a
faxor,acopier.
PPM
PagesPerMinute(PPM)isamethodofmeasurementfordetermininghowfastaprinterworks,
meaningthenumberofpagesaprintercanproduceinoneminute.
PRNle
Aninterfaceforadevicedriver,thisallowssoftwaretointeractwiththedevicedriverusingstandard
input/outputsystemcalls,whichsimpliesmanytasks.
Protocol
Aconventionorstandardthatcontrolsorenablestheconnection,communication,anddatatransfer
betweentwocomputingendpoints.
PSTN
ThePublic-SwitchedTelephoneNetwork(PSTN)isthenetworkoftheworld'spubliccircuit-switched
telephonenetworkswhich,onindustrialpremises,isusuallyroutedthroughtheswitchboard.
RADIUS
RemoteAuthenticationDialInUserService(RADIUS)isaprotocolforremoteuserauthentication
andaccounting.RADIUSenablescentralizedmanagementofauthenticationdatasuchasusernames
andpasswordsusinganAAA(authentication,authorization,andaccounting)concepttomanage
networkaccess.
Resolution
Thesharpnessofanimage,measuredinDotsPerInch(DPI).Thehigherthedpi,thegreaterthe
resolution.
SMB
ServerMessageBlock(SMB)isanetworkprotocolmainlyappliedtoshareles,printers,serialports,
andmiscellaneouscommunicationsbetweennodesonanetwork.Italsoprovidesanauthenticated
Interprocesscommunicationmechanism.
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