
SFF8639TestAdapterUserManual(Preliminary)
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©2014WilderTechnologies,LLC
DocumentNo.910‐0034‐000Rev.A(Preliminary)
MechanicalandEnvironmentalSpecifications
NOTE:Allspecificationsinthismanualaresubjecttochange.
Table 1. General Specifications
ITEM DESCRIPTION
UsageEnvironment Controlledindoorenvironment
PlugTestAdapterLength(w/standardcables) 246mm+/‐2mm(9.70inches+/‐.08inches)(Characteristic)
ReceptacleTestAdapterLength(w/std.cables) 381mm+/‐2mm(15.00inches+/‐.08inches)(Characteristic)
OperatingTemperature 0°Cto+55°C(32°Fto+131°F)(Characteristic)
StorageTemperature‐40°Cto+70°C(‐40°Fto+158°F)(Characteristic)
8639‐TPA‐RCablePinout
The8639‐TPA‐Rcablesprovide28SMAconnectors(accessuptosixlanesofdifferentialTX
andRX,anduptotwodifferentialreferenceclocks),one4‐positionpowerconnector,andone
16‐positionalternateconnector.Labelsclearlymarkeachcableorconnector.The
following
figurereferstopin‐descriptiontablesforeachofthethreeconnectortypes.Note:Thepower
supplieseachhave22µFinparallelwitha0.01µFcapacitor,withtheexceptionofthe+3.3V,
whichdoesnothavethe22µFcap.Theprechargesignalseachhaveaseries2
ohmresistorto
theirrespectivepowersupplies.
Figure3. Cable Connectors (“Universal” 8639-TPA-R shown)
ReceptacleConnector
(SeeTable4)
SMA
Connectors
(SeeTable4)
SMAConnectors
(SeeTable4)
ColorID’sfor
DataLinePolarity
(SeeTable4)
4‐PositionPowerConnector“J2”
(SeeTable2)
ColorIDfor
DifferentialPairs
(SeeTable4)
WhiteBand
Indicates
TransmitterSignals
16‐PositionConnector“J3”
(SeeTable3)
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