Wilder Technologies SATA 2.5 Test Adapter Dokumentacja Pobierz pdf (Strona 38)

SFF8639TestAdapterUserManual(Preliminary)



Page|38

DocumentNo.910‐0034‐000Rev.A(Preliminary)

GlossaryofTerms

TERMINOLOGY DEFINITION

Aggressor Asignalimposedonasystem(i.e.,cableassembly)tomeasureresponseon

othersignalcarriers.

Decibel(dB) Tentimesthecommonlogarithm(i.e.log10)oftheratioofrelativepowers.

Informative



Thedesignationofatestthatisnotrequiredforcompliancebutisconsidered

importantfromacharacterizationstandpoint.Itisprovidedforinformational

purposesonly.

Insertionloss Theratio,expressed indB,ofincidentpowertodeliveredpower.

Internalcable Acablethatisusedtoconnecta8639 InitiatorDevicetoa8639TargetDevice

withinamainframe.

Near‐endcrosstalk Crosstalkthatispropagatedinadisturbedchannelintheoppositedirection

asthepropagationofasignalintheaggressorchannel.Theterminalsofthe

aggressorchannelandthevictimchannelareusuallyclosetoeachother.

Normative Thedesignationofatestthatisrequiredforcompliance.

Physicallink Twodifferentialsignalpairs,onepairineachdirection,thatconnecttwo

physicalphys(seethecurrent8639specification.)

ReturnLoss Theratio,expressedindB,ofincidentpowertoreflectedpower.

8639InitiatorDevice AdevicecontainingSSP,STP,and/orSMPinitiatingportsina8639domain.

8639TargetDevice AdevicecontainingSSP,STP,and/orSMPtargetportsina8639domain.

8639‐TPA 8639TestPointAccess. Aspecializedassemblythatinterfacestoa8639

receptacleorplugandenablesaccessofsignalsformeasurementor

stimulation.

SerialATA(SATA) TheprotocoldefinedbySATA(seeATA8‐AAM)

SerialAttachedSCSI

(8639)

ThesetofprotocolsdefinedinSPLandtheinterconnectdefinedbythe8639

specification.

Victim Asignalcarrieronasystemthathasaresponseimposedonitbyothersignals

inthesystem.

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Wilder Technologies SATA 2.5 Test Adapter Dokumentacja Strona 38