Axis 01074-001-EOL Axis P3915-R Mk II User Manual

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AXISP3915-RMkIINetworkCamera

Speciﬁcations

DigitalInput

Connecttopin1toactivate,orleaveoating(unconnected)

todeactivate.

0tomax30VDC

DigitalOutput

Connecttopin1toactivate,orleaveoating(unconnected)

todeactivate.Ifusedwithaninductiveload,e.g.,arelay,

connectadiodeinparallelwiththeload,toprotectagainst

voltagetransients.

0tomax30VDC,opendrain,

100mA

Example

DCground

DCoutput12V,max25mA

I/Odigitalinput

I/Odigitaloutput

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.

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Axis 01074-001-EOL P3915-R Mk II Network Camera 01074-001