Axis M7014 Uživatelský manuál stáhnout pdf (Strana 51)

AXISM7014VideoEncoder

TechnicalSpecications

RS-485/422Connector

Two2-pinterminalblocksforRS485/RS422serialinterface.Theserial

portcanbeconguredtosupport:

•Two-wireRS485halfduplex

•Four-wireRS485fullduplex

•Two-wireRS422simplex

•Four-wireRS422fullduplexpointtopointcommunication

RX/TX TX

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FunctionPinNotes

RS485/RS422RX/TXA

RS485/RS422RX/TXB

(RX)ForfullduplexRS485/RS422

(RX/TX)ForhalfduplexRS485

RS485/RS422TXA

RS485/RS422TXB

(TX)ForfullduplexRS485/RS422

SDCardSlot

SupportsSDcardswithupto64GBofstorage.Forbestrecordingperformance,useanSDHCorSDXCcardwithspeedclass10.

PerformanceConsiderations

Whensettingsupyoursystem,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 M7014 Uživatelský manuál Strana 51