Axis Q8685-E - Performance Considerations

AXISQ8685-EPTZNetworkCamera
Technicalspecifications
1
0VDC(-)
2
DCoutput12V,max50mA
A
I/Oconguredasinput
B
I/Oconguredasoutput
Powerconnector
4-pinterminalblockforpowerinput.
Performanceconsiderations
Whensettingupyoursystem,itisimportanttoconsiderhowvarioussettingsandsituationsaffecttheperformance.Somefactors
affecttheamountofbandwidth(thebitrate)required,otherscanaffecttheframerate,andsomeaffectboth.Iftheloadonthe
CPUreachesitsmaximum,thisalsoaffectstheframerate.
Thefollowingfactorsarethemostimportanttoconsider:
•Highimageresolutionorlowercompressionlevelsresultinimagescontainingmoredatawhichinturnaffectsthe
bandwidth.
•AccessbylargenumbersofMotionJPEGorunicastH.264clientsaffectsthebandwidth.
•Simultaneousviewingofdifferentstreams(resolution,compression)bydifferentclientsaffectsbothframerateand
bandwidth.
Useidenticalstreamswhereverpossibletomaintainahighframerate.Streamprolescanbeusedtoensurethat
streamsareidentical.
•AccessingMotionJPEGandH.264videostreamssimultaneouslyaffectsbothframerateandbandwidth.
•Heavyusageofeventsettingsaffectstheproduct’sCPUloadwhichinturnaffectstheframerate.
•UsingHTTPSmayreduceframerate,inparticularifstreamingMotionJPEG.
•Heavynetworkutilizationduetopoorinfrastructureaffectsthebandwidth.
•Viewingonpoorlyperformingclientcomputerslowersperceivedperformanceandaffectsframerate.
•RunningmultipleAXISCameraApplicationPlatform(ACAP)applicationssimultaneouslymayaffecttheframerateand
thegeneralperformance.
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