Enterasys Networks 7G4285-49 Switch User Manual


 
DFE Module and Interface Options
1-2 Introduction
•Highavailabilityserviceswithstatefulfailoverforservicesandmanagement
•Selflearningconfigurationmoduleswithincreasedreliabilityandfaulttolerancethat
reducesconfigurationtimeandmaximizesuptime
•Networkwideconfiguration,change,andinventorymanagementthatiseasierto
install,troubleshoot,andmaintain
Reducedsupportandmaintenancecosts,anddecreasedconfigurationtime
SupportforavarietyofconvergedapplicationsincludingVoIPwithPowerover
Ethernet
DFE Module and Interface Options
Thissectionprovidesanoverviewofthe7G428549(Figure 11)and7G420572
(Figure 12).ForinformationabouttheDFEmodulefeaturesandhowtoconfigurethem,
refertotheEnterasysMatrixDFEPlatinumSeriesConfigurationGuide.
7G4285-49
The7G428549has48,10BASET/100BASETX/1000BASET,PoEcompliantportsthatare
accessedthroughthefixedfrontpanelRJ45connectors.Thereisalsoanoptionslotforan
networkexpansionmodule(NEM).TheDFEmodulecanbeinstalledinaMatrix E7,
Matrix N3,Matrix N5,orMatrix N7chassi s.(SeeFigure 11
onpage 13.)
Eachofthefixedfrontpanelportscanoperateineitherhalfduplexorfullduplexmode
ofoperation.Theduplexmodecanbedeterminedbyeitherautonegotiationormanual
configuration.
TheDFEmoduleportscanbeconfiguredtoprovideahighlevelofsecurity,controltraffic
bylimitingtherateoftrafficacceptedintothemoduleandprioritizingtraffictoexpedite
theflowofhigherprioritytrafficthroughthe module.Foracompletelistofcapabilities,
refertotheEnterasysMatrixDFEPlatinumSeriesConfigurationGuide.
TheDFEmodulereceivespowerandbackplaneconnectivitywhenit
isinsertedintothe
Matrix E7,Matrix N7,Matrix N5,orMatrix N3chassis.ThepowertosupporttheDFE
moduleconnectionsto802.3afPoEcompliant48VdcPDs(powereddevices)canbefrom
thebackplaneofaMatrix N5chassisorfromanoptionalexternalMatrixNPOEPower
System.
TheMatrixNPOEPower
Systemcanprovide48Vdctosupportuptoseven
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
7G4285-49.