DFE Modules
Enterasys Matrix DFE-Gold Series PoE Module Hardware Installation Guide 1-3
DFE Modules
Thissectionprovidesanoverviewofthe4G428549(Figure 11)and4G420572
(Figure12).Forinforma tionabouttheDFEmodulefeaturesandhowtoconfigurethem,
refertotheEnterasysMatrixDFEGoldSeriesConfigurationGuide.

4G4285-49

The4G428549has48,10BASET/100BASETX/1000BASET,PoEcompliantportsthatare
accessedthroughthefixedfrontpanelRJ45connectors.Thereisalsoanoptionslotforan
networkexpansionmodule(NEM).TheDFEmodulecanbeinstalledinaMatrixE7,
Matrix N3,Matrix N5,orMatrixN7chassi s.(SeeFigure 11onpage 14.)
Eachofthefixedfrontpanelportscanoperateineitherhalfduplexorfullduplexmode
ofoperation.Theduplexmodecanbedeterminedbyeitherautonegotiationormanual
configuration.
TheDFEmoduleportscanbeconfiguredtoprovideahighlevelofsecurity,controltraffic
bylimitingtherateoftrafficacceptedintothemoduleandprioritizingtraffictoexpedite
theflowofhigherprioritytrafficthroughthemodule.Foracompletelistofcapabilities,
refertotheEnterasysMatrixDFEGoldSeriesConfigurationGuide.
TheDFEmodulereceivespowerandbackplaneconnectivitywhenitisinsertedintothe
Matrix E7,MatrixN7,Matrix N5,orMatrix N3chassis.ThepowertosupporttheDFE
moduleconnectionsto802.3afPoEcompliant48VdcPDs(powereddevices)canbefrom
thebackplaneofaMatrix N5chassisorfromanoptionalexternalMatrixNPOEPower
System.
TheMatrixNPOEPowerSystemcanprovide48Vdctosupportuptoeight
PoEcompliantDFEmodules.TheconnectionfromtheNPOEPowerSystemisbywayof
the48Vdc~20AMaximum,optionalPowerInputconnectoronthefrontpanelofthe
DFEmodule.
Note: Only an N-POE Power System can be connected to the 48 Vdc ~ 20 A Maximum
Optional Power Input connector of a series PoE-compliant DFE module such as the
4G4285-49.