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AXISP1355NetworkCamera
TechnicalSpecications
RS-485/422connector
Two2-pinterminalblocksforRS-485/RS-422serialinterface.Theserial
portcanbeconguredtosupport:
•Two-wireRS-485halfduplex
•Four-wireRS-485fullduplex
•Two-wireRS-422simplex
•Four-wireRS-422fullduplexpointtopointcommunication
Rx/Tx Tx
4 3 2 1
FunctionPinNotes
RS-485/RS-422TX(A)
1
RS-485/RS-422TX(B)
2
TXpairforRS422and4–wireRS-485
RS-485AaltRS–485/422RX
(A)
3
RS-485BaltRS-485/422RX
(B)
4
RXpairforallmodes(combinedRX/TXfor2–wireRS-485)
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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