User manual

AXISQ7411VideoEncoder
TechnicalSpecications
RS-485/422connector
Two2-pinterminalblocksforRS-485/RS-422serialinterface.Theserial
portcanbeconguredtosupport:
Two-wireRS-485halfduplex
Four-wireRS-485fullduplex
Two-wireRS-422simplex
Four-wireRS-422fullduplexpointtopointcommunication
RX/TX TX
1 2 3 4
FunctionPinNotes
RS-485/RS-422RX/TXA
1
RS-485/RS-422RX/TXB
2
(RX)ForfullduplexRS-485/RS-422
(RX/TX)ForhalfduplexRS-485
RS-485/RS-422TXA
3
RS-485/RS-422TXB
4
(TX)ForfullduplexRS-485/RS-422
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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