Enterasys Networks C2K122-24 Manuel d'utilisateur télécharger pdf (Page 23)

Connectivity

SecureStack C2 Installation Guide 1-3

High-Speed Stack Connections

Theswitchhasrear‐panelconnectorsforhigh‐speedconnectionsinastackconfiguration.

Thehigh‐speedstackingcablesusedfortheconnectionsareoptionalitemsandmustbe

orderedseparately.Therearetwotypesofcables:

•C2CAB‐SHORTcablestoconnecttwoadjacentswitchesinthestack,and

•C2CAB‐LONG

cabletoconnectfromthetopswitchtothebottomswitchinthestack.

ThiscablecanalsobeusedinplaceoftheC2CAB‐SHORTcabletoconnectswitches

thataretoofarapartduetothephysicalarrangementoftheswitchesinthestack.

Redundant Power Supply Capability

Theswitchhasredundantpowersupplycapabilitywhenconnectedtoanoptional

externalredundantpowersupply(RPS).Iftheinternalpowersupplyfails,theRPS

assumestheentireloadoftheswitchwithoutinterruptingnetworktraffic.Theinternal

powersupplyandRPSeachhavetheirownACpowerconnection,whichenables

the

connectionofeachpowersupplytoadifferentACpowercircuitforadditionalACpower

sourceredundancy.

Connectivity

YoucanconnectthisswitchtoGigabitEthernetnetworksorworkstationsbywayofthe

1000BASE‐Tcompliantfixed‐frontpanelRJ45connectorsandalsousetwouplinkports

thatsupportoptional10‐Gigabitfiber‐opticXFPtransceiversforhigh‐speeduplinksto

yournetworkbackbone.

Atthetimeofthis

printing,threeversionsoftheXFPtransceiversthatareavailablefrom

EnterasysaredescribedinTable 1‐1onpage 1‐3.TheseXFPsmeetorexceedtheIEEE

802.3ae10‐Gigabitstandard.Forfiberopticandoperatingrangespecifications,referto

“SupportedXFPTransceiverInterfaceOptions”onpage A‐3.

Table 1-1 Description of XFPs

XFP Function

10GBASE-SR-XFP Provides one 10GBASE-L Ethernet compliant LC fiber-optic multimode port

with a standard LC connector.

10GBASE-LR-XFP Provides one 10GBASE-LR Ethernet compliant LC fiber-optic single-mode

port with a standard LC connector.

10GBASE-ER-XFP Provides one 10GBASE-ER Ethernet compliant LC fiber-optic single-mode

port with a standard LC connector.

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Enterasys Networks C2K122-24 Manuel d'utilisateur Page 23