User Manual

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AsynchronousSerialHardwareSetup
RS‐232ComProbeIISetup
TheNetDecoderanalyzercapturesasynchronousRS‐232datausingtheRS‐232ComProbeII.This
ComProbeisThumbDrivesizeddevicethatplugsintothePC’sUSBport.
Frontline'sComProbesarepassivedevices.Someserialanalyzersreceivedatafromonesideofthe
circuitundertestandretransmitittotheotherside.TheRS‐232ComProbeIIdoesnot
workthatway.
TheComProbeisapassiveobserverofthecommunicationsbetweentheDevices‐under‐Test.
ToassistcustomersintappingintoAsyncRS‐232busconfigurations,Frontlineprovidecustomerswitha
lotofflexibilitytoaddressdifferentmonitoringsituations.The RS‐232ComProbeIIcanbeuseddirectly
in‐line,orconnectedviaacombinationofaprovidedY‐cableand/ or the6footRS‐232extensioncable.
Somemonitoringsituationsmayrequireapairof25‐pinto9‐pinadapters.Alltherequiredaccessories
areincludedintheproduct.
Themonitoringconnectionoptionsaredisplayedbelow.
MonitoringConnectionOption1–RS‐232ComProbeIIOnly
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Figure32–RS‐232ComProbeIIOnly
MonitoringConnectionOption2–RS‐232ComProbeIIwithY‐Cable
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Figure33–RS‐232ComProbeIIwithY‐ Cab le
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MonitoringConnectionOption3–RS‐232ComProbeIIwithY‐CableandExtension
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