Installation guide

The DFE Modules
1-2 Introduction
The DFE Modules
ThissectionprovidesanoverviewoftheDFEmodules7GR4270‐12and7GR4202‐30(Figure 1‐1),
and7GR4280‐19and7KR4290‐02(Figure 1‐2).ForinformationaboutfeaturesoftheDFEmodules
andhowtoconfigurethem,refertotheEnterasysMatrixDFE‐Diamond/PlatinumSeries
ConfigurationGuide.
7GR4270-12
The7GR4270‐12DFEmodulehas12,1000BASE‐Xcompliantports.TheseportsareSma llForm
FactorPluggable(SFP)fixedfrontpanelportslotsforGigabitfiber‐opticconnectionsviaoptional
Mini‐GigabitInterfaceCards(Mini‐GBICs).The7GR4270‐12DFEmodulecanbeinstalledina
Matrix E7,Matrix N7,Matrix N5,Matrix N3,
orMatrix N1chassis,butonlysupportsFTM2data
backplaneinterconnectionsintheMatrix E7chassis.
7GR4202-30
The7GR4202‐30DFEmodulehas30,10BASE‐T/100BASE‐TX/1000BASE‐Tcompliantportsvia
fixedfront‐panelRJ45connectors.The7GR4202‐30DFEmodulecanbeinstalledinaMatrix E7,
Matrix N7,Matrix N5,Matrix N3,orMatrix N1chassis,butonlysupportsFTM2databackplane
interconnectionsintheMatrix E7chassis.
7GR4280-19
The7GR4280‐19DFEmodulehas18,1000BASE‐Xcompliantfront‐panelportsthatsupporta
varietyofoptionalSmallFormFactorPluggable(SFP)Gigabitconnectionsusingoptional
Mini‐GigabitInterfaceCards(Mini‐GBICs).Thereisalsoaslotforanoptionalnetworkexpansion
module(NEM).
The7GR4280‐19canbe
installedinaMatrix E7,Matrix N7,Matrix N5,Matrix N3,orMatrix N1
chassis,butonlysupportsFTM2databackplaneinterconnectionsintheMatrix E7chassis.
InterconnectionfromFTM2toFTM1canonlybeaccomplishedviaabridgingmodulesuchasthe
7H4382‐25,7H4382‐49,7H4383‐49,or7H4385‐49.
Eachofthe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.
Network Expansion Module Option
The7GR4280‐19optionslotprovidesaccesstoaninstallednetworkexpansionmodule(NEM).
RefertotheEnterasys NetworkswebsiteforacurrentlistingoftheavailableNEMs.Specific
installationinstructionsareshippedwitheachNEM.
Note: If you are installing a NEM,Enterasys Networks recommends that you install either the
7G-6MGBIC-B or 7K-2XFP-6MGBIC module to take advantage of additional flow capacity found in
these NEM cards.