Datasheet

VessRAID1000f,1000i,1000sSeriesProductGuide

For Video Surveillance Applications

©2010PromiseTec hno lo g y,Inc.Allrightsreserved.

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Asinalltechnologicalwalksoflife,digitalisrapidlytakingoveranalogueinthe

surveillanceindustry.IP‐basedcamerasaregainingpopularity.H.264/AVChasalready

becomethemainstreamdatacompressiontechnology.Andnetworkinfrastructureisset

tobeking.ChoosinganIPbasedsolutionmeansfindingabetterwa yinthebeginning.

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1.1.3MegapixelandHDCamera

Anumberofmanufacturershavebeguntopromotemegapixelcamerasbusinessasit

representsmoreprofitandcompetitiveadvantagecomparedtoanalog.Whileanalog

camerashavenomorethan400,000pixels,allmegapixelcameras(includingHD)have

onemillionormorepixels.HDisatypeofmegapixelcamera.AllHDcamerasare

megapixelbutnotallmegapixelcamerasareHD.

Therearesomekeydifferentiatorstoidentifyboth,buttheeasiestoneisthevideo

formateachcanpresent.HDvideoformatis1920x1080or1280x720whilemegapixel

videoformatcanbenumerous.Thereisnoclearcuttellingwhichoneisbetterbecause

asinavarietyofdeploymentenvironmentseverythingdepends.Itdependsonthe

applicationwheresomereallyneedhigherframeratesbutsomedonot.Onethingin

clearforsureisthatthey’rebothflashingunderthespotlightinverticals.