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1. IftheDVIorHDMIdevicerequirestheEDIDinformation,pleaseuseEDIDReader/Writerto
retrieveandprovideEDIDinformationoftheDVIorHDMIdisplay.
2. AllHDMIoverCAT5transmissiondistancesaremeasuredusingBelden1583ACAT5e125MHz
UTPcableandASTRODESIGNVideoSignalGeneratorVG‐859C.
3. ThetransmissionlengthislargelyaffectedbythetypeofCat‐5/5e/6cables,thetypeofHDMI
sources,andthetypeofHDMIdisplay.ThetestingresultshowssolidUTPcables(usuallyinthe
formof300mor1,000ftbulkcables)cantransmitalotlongersignalsthanstrandedUTPcables
(usuallyintheformoffixedlengthpatchcords).AsolidUTPCat‐5ecableshowslonger
transmissionrangethanastrandedSTPCat‐6cable.Forlongextensionapplications,solid
UTP/STPcablesaretheonlyviablechoice.
4. EIA/TIA‐568‐Btermination(T568B)forCat‐5e/6cablesisrecommendedforbetterperformance.
5. ToreducetheinterferenceamongtheunshieldedtwistedpairsofwiresinCat‐5e/6cables,
doubleshieldedSTPcablesarebettersuitedthanunshieldedUTPcablestoimproveEMI
problems,whichisworseninlongtransmission.
6. BecausethequalityoftheCat‐5e/6cableshasthemajoreffectonhowlongthetransmission
limitcanachieveandhowgoodisthereceivedpicturequality,theactualtransmissionrangeis
subjecttoone’schoiceofCat‐5e/6cables.Fordesiredresolutionsgreaterthan1080ior
1280x1024,aCat‐6cableisrecommended.
7. IfyourHDMIdisplayhasmultipleHDMIinputs,itisfoundthatthefirstHDMIinput(HDMIinput
1)generallycanproducebettertransmissionperformanceamongallHDMIinputs.
PerformanceGuideforHDMIoverCategoryCableTransmission
PerformanceratingTypeofcategorycable
WiringShieldingCAT5CAT5eCAT6
SolidUnshielded(UTP)
Shielded(STP)
StrandedUnshielded(UTP)
Shielded(STP)
TerminationPleaseuseEIA/TIA‐568‐Btermination(T568B)atanytime
NOTICE