Axis M1124 Manuel d'utilisateur télécharger pdf (Page 62)

AXISM1124NetworkCamera

TechnicalSpeciﬁcations

DigitalInput

Connecttopin1toactivate,orleaveoating(unconnected)

todeactivate.

0tomax30VDC

DigitalOutput

Connectedtopin1whenactivated,oating(unconnected)

whendeactivated.Ifusedwithaninductiveload,e.g.arelay,

adiodemustbeconnectedinparallelwiththeload,for

protectionagainstvoltagetransients.

0tomax30VDC,opendrain,

100mA

ConnectionDiagrams

I/OConnector

0VDC(-)

DCoutput12V,max15mA

I/Oconguredasinput

I/Oconguredasoutput

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.

•UsingHTTPSmayreduceframerate,inparticularifstreamingMotionJPEG.

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Axis M1124 Manuel d'utilisateur Page 62