Specifications

SFF8639TestAdapterUserManual(Preliminary)
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©2014WilderTechnologies,LLC
DocumentNo.9100034000Rev.A(Preliminary)
TheSFF‐8639TestAdapterCareandHandlingPrecautions
TheSFF8639TestAdapterrequirescarefulhandlingtoavoiddamage.Improperhandling
techniques,orusingtoosmallacablebendradius,candamagethecoaxialcableconnections
withintheadapterhousingorthecablesthemselves.Thiscanoccuratanypointalongthe
cable.Toachieveoptimumperformanceandto
prolongthe8639TPA’slife,observethe
followinghandlingprecautions:
CAUTION1:AvoidTorqueForces(Twisting)
Whileindividualcoaxialcableswithinthetestadapterhavesomerotationalfreedom,
twistingthe8639TPAasaunit,withoneendheldstationary,maydamageorseverely
degradeperformance.AdherencetoCaution
5(below)helpstoavoidtwisting.
CAUTION2:AvoidSharpCableBends
Neverbendcoaxialcablesintoaradiusof26mm(1inch)orless.Neverbendcablesgreater
than90°.Singleormultiplecablebendsmustbekeptwithinthislimit.Bendingthe8639TPA
cablesless
thana26mm(1Inch)radiuswillpermanentlydamageorseverelydegradetest
adapterperformance.
CAUTION3:AvoidCableTension(PullForces)
Neverapplytension(pullforces)toanindividualcoaxialcablethatisgreaterthan2.3kg
(5lbs.).Toavoidapplyingtension,alwaysplaceaccessoriesandequipment
onasurfacethat
allowsadjustmenttoeliminatetensiononthe8639TPAandcables.Useadjustable
elevationstandsorapparatustoaccuratelyplaceandsupportthe8639TPA.
CAUTION4:Connectthe8639TPAFirst
Topreventtwisting,bending,orapplyingtensiontothecoaxialcableswhenconnecting
a
8639TPA,alwaysattachthe8639TPAtothedeviceundertest(DUT)orcableundertest
beforeattachinganySMAconnectors.Carefullyalignthe8639connectorsandthengently
pushtheconnectorstogetheruntilfullyseated.
Ifthe8639TPAmustbeturnedortwistedtomakeconnection
totheDUT,avoidusingthe
8639TPAhousingalonetomakethisoccur.Trytodistributethetorqueforcesalongthe
lengthofthetestsetupandcabling.Ifthisisnotpossible,itisrecommendedtofirstloosen
ordisconnecttheSMAconnectionsatthe8639TPA,makethe
connectiontotheDUTand
thenretightenorattachthetestequipmentleads.
NOTE:Onlygripthetestadapterhousingwheninsertingor
extractingthe8639TPAtoorfromtheDUT.Pullingdirectlyonthe
8639TPAcablesorusingthemtoinsertthe8639TPAmaycause
damage.
CAUTION5:CarefullyMakeSMAConnections
Toconnectthe8639TPASMAconnectors,followthesesteps:
1. Holdthecablestationarybygraspingthecableattheblackheatshrinksection
neartheSMAconnector.
2. InsertthematingSMAbarrelandhandtightenthefreespinningSMAnutonto
the
connectorwhileavoidingpulling,bending,ortwistingthe8639TPAcoaxialcable.