- Enterasys Gigabit Ethernet Switch Installation Guide

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.