DFE Module and Interface Options
1-2 Introduction
•High‐availabilityserviceswithstatefulfailoverforservicesandmanagement
•Self‐learningconfigurationmoduleswithincreasedreliabilityandfaulttolerancethat
reducesconfigurationtimeandmaximizesuptime
•Network‐wideconfiguration,change,andinventorymanagementthatiseasierto
install,troubleshoot,andmaintain
• Reducedsupportandmaintenancecosts,anddecreasedconfigurationtime
• SupportforavarietyofconvergedapplicationsincludingVoIPwithPower‐over‐
Ethernet
DFE Module and Interface Options
Thissectionprovidesanoverviewofthe7G4285‐49(Figure 1‐1)and7G4205‐72
(Figure 1‐2).ForinformationabouttheDFEmodulefeaturesandhowtoconfigurethem,
refertotheEnterasysMatrixDFE‐PlatinumSeriesConfigurationGuide.
7G4285-49
The7G4285‐49has48,10BASE‐T/100BASE‐TX/1000BASE‐T,PoE‐compliantportsthatare
accessedthroughthefixedfrontpanelRJ45connectors.Thereisalsoanoptionslotforan
networkexpansionmodule(NEM).TheDFEmodulecanbeinstalledinaMatrix E7,
Matrix N3,Matrix N5,orMatrix N7chassi s.(SeeFigure 1‐1
onpage 1‐3.)
Eachofthefixedfrontpanelportscanoperateineitherhalf‐duplexorfull‐duplexmode
ofoperation.Theduplexmodecanbedeterminedbyeitherauto‐negotiationormanual
configuration.
TheDFEmoduleportscanbeconfiguredtoprovideahighlevelofsecurity,controltraffic
bylimitingtherateoftrafficacceptedintothemoduleandprioritizingtraffictoexpedite
theflowofhigherprioritytrafficthroughthe module.Foracompletelistofcapabilities,
refertotheEnterasysMatrixDFE‐PlatinumSeriesConfigurationGuide.
TheDFEmodulereceivespowerandbackplaneconnectivitywhenit
isinsertedintothe
Matrix E7,Matrix N7,Matrix N5,orMatrix N3chassis.ThepowertosupporttheDFE
moduleconnectionsto802.3afPoE‐compliant48VdcPDs(powereddevices)canbefrom
thebackplaneofaMatrix N5chassisorfromanoptionalexternalMatrixN‐POEPower
System.
TheMatrixN‐POEPower
Systemcanprovide48Vdctosupportuptoseven
PoE‐compliantDFEmodules.TheconnectionfromtheN‐POEPowerSystemisbywayof
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
7G4285-49.