RadiSys ATCA-5400 RTM Spezifikationen Seite 41

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4
10-gigabit Ethernet Fabric interface
41
Base Interface
TheBasecontrollerisconfiguredforMDI(copper),providing1000BaseT,100BaseTX,
and10BaseTsupport.TheBasecontrollerisconnectedtotheBASE1andBASE2
backplaneports,andthecontrollerisconnectedwithax4linktoPCIeport3ontheI/O
hub.TheEEPROMfortheBasecontrollerenablespassthroughmodeviatheSMBus,
whichallowstheIPMCtoimplementserialoverLANoneitherbaseport.
Front panel and RTM Ethernet interfaces
OneoftheGbEcontrollersisusedtoimplementdualEthernetportstoeitherthefront
panelortheRTMrearpanel.TheMDI(copper)portsareconnectedtothefrontpanel
interfacefor1000BaseT,100BaseTXand10BaseTsupport.TheSerDessignalsare
routedthroughtheZone3connectortotwoSFPtransceiversontheRTM.
SelectionoffrontorrearportsiscontrolledthroughaBIOSmenu(seeConfiguringthe
frontorrearEthernetportsonpage 75).
Thefront/rearGbEcontrollerisconnectedwithax4linktoPCIeport10ontheI/Ohub.
TheEEPROMforthefront/rearcontrollerenablespassthroughmodeovertheSMBusto
allowtheIPMCtoimplementserialoverLANoneitherport.RefertoSerialoverLANon
page 65formoreinformation.
10-gigabit Ethernet Fabric interface
TheCPMusesanIntel82598EBcontrollertoprovidetwo10GbEportconnectionstothe
Fabricinterfacechannels.The10GbEcontrollerisconnectedtoax8PCIeportthatisPCIe
1.1compliant.Aprivate128KBEEPROMstoresinitializationdataandMACaddresses.
The10GbEcontrollerincludestwoindependentXAUIportsthatsupportthefollowing
standardEthernetinterfaces:
•10GBASEKX4
1000BASEKX(IEEE802.3ap)
•10GBASECX4(IEEE802.3ak)
EachportalsocontainsaSerDesinterfacetosupport1000BASESX/LX(opticalfiber)and
1000BASEBXforgigabitbackplaneapplications.Autonegotiation(asspecifiedbyIEEE
802.3apClause73)isalso
supported.
Fabric interface
TheCPMprovidesmultipleconnectivityoptionstoFabricchannels1and2.The
multiplexeroptionforFabricchannels1and2connectseitherthe10GbEcontrollerfor
10GbFabricconnectionsortheAMCbaytothebackplace.TheFabricconnectionsare
determinedbytheinterfaceEKeying(seeEKeycontrolofinterfacesonpage 59).The
defaultconfigurationistorouteFabricchannels1and2tothe10GbEcontrolleras
10GBaseBX4/1000BaseBX(seeFigure 8onpage 43).
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