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Enterasys Networks 4G4205-72 Switch User Manual

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DFE Modules

Enterasys Matrix DFE-Gold Series PoE Module Hardware Installation Guide 1-3

DFE Modules

Thissectionprovidesanoverviewofthe4G4285‐49(Figure 1‐1)and4G4205‐72

(Figure 1‐2).ForinformationabouttheDFEmodulefeaturesandhowtoconfigurethem,

refertotheEnterasysMatrixDFE‐GoldSeriesConfigurationGuide.

4G4285-49

The4G4285‐49has48,10BASE‐T/100BASE‐TX/1000BASE‐T,PoE‐compliantportsthatare

accessedthroughthefixedfrontpanelRJ45connectors.Thereisalsoanoptionslotforan

networkexpansionmodule(NEM).TheDFEmodulecanbeinstalledinaMatrix E7,

Matrix N3,Matrix N5,orMatrix N7chassis.(SeeFigure 1‐1

onpage 1‐4.)

Eachofthefixedfrontpanelportscanoperateineitherhalf‐duplexorfull‐duplexmode

ofoperation.Theduplexmodecanbedeterminedbyeitherauto‐negotiationormanual

configuration.

TheDFEmoduleportscanbeconfiguredtoprovideahighlevelofsecurity,controltraffic



bylimitingtherateoftrafficacceptedintothemoduleandprioritizingtraffictoexpedite

theflowofhigherprioritytrafficthroughthe module.Foracompletelistofcapabilities,

refertotheEnterasysMatrixDFE‐GoldSeriesConfigurationGuide.

TheDFEmodulereceivespowerandbackplaneconnectivitywhenit

isinsertedintothe

Matrix E7,Matrix N7,Matrix N5,orMatrix N3chassis.ThepowertosupporttheDFE

moduleconnectionsto802.3afPoE‐compliant48VdcPDs(powereddevices)canbefrom

thebackplaneofaMatrix N5chassisorfromanoptionalexternalMatrixN‐POEPower

System.

TheMatrixN‐POEPower

Systemcanprovide48Vdctosupportuptoeight

PoE‐compliantDFEmodules.TheconnectionfromtheN‐POEPowerSystemisbywayof

the48Vdc~20AMaximum,optionalPowerInputconnectoronthefrontpanelofthe

DFEmodule.

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.

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