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



Page|3

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

Introduction

Thisuser’smanualdocumentstheSFF‐8639PlugandReceptacleTestAdapters(8639‐TPA‐P

and8639‐TPA‐R).Thetwotestadaptertypes,showninFigures1and2,test8639interface

cables,hostsanddevicesagainsttheSFF‐8639Specification.

NOTE:Thetestadaptersreferredtoandillustratedin

this“General”sectionoftheUser

Manual,reflectthe“Universal”SFF‐8639TestAdapters.Addendum“A”,attheendofthis

document,presentsreferenceinformationanddetailsforspecifictypesofSFF‐8639test

adaptersofferedbyWilderTechnologies.

TheTPA‐PandTPA‐Rtestadapterassembliesalloweasy

access,viaSMAconnections,to

measureorinjectdatasignals.TheReceptacletestadapteralsoprovidesaccessto+5V,+12V,

andtheirrespectiveGNDs,viaa4‐positionMolexpowerconnector.Additionally,theusercan

access+3.3V,itsrespectiveGND,Resets,Wake,Activity,DualLinkEnable,SMClock,SMData,

and

othersviaanalternate16‐positionconnector.Amating16‐positionconnectorhousingand

contactsareprovidedtoconnectthese16signalstoawiringassemblyprovidedbytheuser.

NOTE:Toavoiddamagingthecables,usethehandlingtechniques

describedintheCareandHandlingsectionbeforemakingany

connectionsorconfiguringatestsetup.

Alwaysuseastatic‐safeworkstationwhenperformingtests,as

explainedinthe“ElectrostaticDischargeInformation”section.

Figure 1. The 8639 Test Adapter (Host Plug). Universal SFF-8639 Host Test Fixture Shown.

Housing

8639Plug

(68‐Position)

28FemaleSMAs

forHigh‐Speed

Testing

Low‐Speed

Connector

(10‐Position)

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