Data Sheet

USBProtocolSuiteUserManual 143
CascadingwithCATCSYNCExpansionCard TeledyneLeCroyCorporation
3.4 Cascading with CATC SYNC Expansion Card
YoucandaisychaintwoAnalyzers,iftheybothhaveaCATCSYNCport:
 VoyagerM3andM3irequireaCATCSyncExpansionCardforcascading.
 VoyagerM3x,M310,M310C,andAdvisorT3havebuilt‐inCATCSYNCportsand
onlyrequireacross‐connectoroctopuscableaccessorykit.
AfterAnalyzersareconnected,recordingwillstartsimultaneouslyandtriggerswilloccur
simultaneously,withsynchronizedtimestamps.Thisfeaturecanbe"soft"disconnected
bymodifyingtheCATCSyncoptionsontheRecordingOptionsGeneraltab.
YoumustselectbothAnalyzersintheDeviceListdialog
(see“AnalyzerDevices”onpage148).
Important:Ifyouareusingotheranalyzers(NOTUSB!)inyourdaisychain(thiswould
includePCIe,DDR,SAS,SAS,FC,net)anddonotwishtousethedaisychainingfeatureof
synchronizedrecordings,youmustUNPLUGthecable!Ifyoudonotunplug,theelectrical
signalpreventsrecordingonallAnalyzers.
Note:Inthissoftwareversion,daisychainedrecordingonlyworksifyouusetwoVoyagersORtwo
AdvisorT3s.Youcannotuseoneofeach.Also,youmustenable3.1Auto‐Detect/Termination
mode.Manual controldoesnotwork.
3.4.1 Capturing USB 2.0 traffic with CATC Sync or Cross Sync
WhenusingCrossSyncorCATCSyncandcapturingUSB2.0traffic,attachtheUSB2.0
capturinganalyzerdeviceattheOUTconnectoratthebeginningoftheCATCSYNCchain.
Otherwise,thetimestampswillnotbesynchronized.
TheUSB2.0clockforanydownstreamVoyagerorAdvisorT3'swillnotbesynchronized
withtheupstreamCATC‐Syncdevices,unlessthereisalso3.1trafficonthedownstream
analyzer(s).IncasesofCATC‐SyncingwithUSBanalyzerscapturing3.1traffic,allboxeswill
havethecorrectsynchronizedtimestamps.
3.4.2 Removing Expansion Cards
Youcanremoveexpansioncardsusingtwotools:
 Standard(flatblade)3/16”screwdriver
 TeledyneLeCroyExtractionTool(partnumber230‐0160‐00)