Axis P1428-E Instrukcja Użytkownika Pobierz pdf (Strona 58)

AXISP1428–ENetworkCamera

TechnicalSpeciﬁcations

12 V max 15 mA

SDCardSlot

SupportsmicroSDcardswithupto64GBofstorage.Forbestrecordingperformance,useamicroSDHCormicroSDXCcardwith

speedclass10.

PerformanceConsiderations

Whensettingupyoursystem,itisimportanttoconsiderhowvarioussettingsandsituationswillaffectperformance.Somefactors

affecttheamountofbandwidth(thebitrate)required,otherscanaffecttheframerate,andsomeaffectboth.Iftheloadonthe

CPUreachesitsmaximum,thiswillalsoaffecttheframerate.

Thefollowingfactorsareamongthemostimportanttoconsider:

•Highimageresolutionand/orlowercompressionlevelsresultinimagescontainingmoredata.Bandwidthaffected.

•AccessbylargenumbersofMotionJPEGand/orunicastH.264clients.Bandwidthaffected.

•Simultaneousviewingofdifferentstreams(resolution,compression)bydifferentclients.Effectonframerateand

bandwidth.

•AccessingMotionJPEGandH.264videostreamssimultaneously.Framerateandbandwidthaffected.

•Heavyusageofeventsettingsaffecttheproduct’sCPUload.Framerateaffected.

•Heavynetworkutilizationduetopoorinfrastructure.Bandwidthaffected.

•Viewingonpoorlyperformingclientcomputerslowersperceivedperformance.Framerateaffected.

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Axis P1428-E Instrukcja Użytkownika Strona 58