Enterasys SecureStack A2 A2H123-24 Instalační příručka stáhnout pdf (Strana 33)

Connecting Stacking Cables

SecureStack A2 Installation Guide 3-7

Figure 3-3 Attaching the Rackmount Brackets

2. Withthemountingbracketsattached,positiontheswitchbetweentheverticalframe

membersofthe19‐inchrackasshowninFigure 3‐4.Thenfastentheswitchsecurely

totheframeusingfourmountingscrews(usersupplied).Referto“TorqueValues”on

pageA‐4forrecommendedtorquevalues

byscrewsize.

Figure 3-4 Fastening the Switch to the Rack

3. Ifyouare installingthisswitchinastackedconfiguration,repeatthisprocedurefor

eachswitchuntilallswitcheshavebeeninstalledinthestack,thenproceedto

“ConnectingStackingCables”onpage 3‐7.Otherwise,proceedto“ConnectingAC

andRPS‐SYSPower”onpage 3‐

12.

Connecting Stacking Cables

Thestackofswitchescanbeconnectedinaclosedloopordaisychained.Inaclosedloop,

alltheswitchesareconnectedinsequenceandthelastswitchinthestackisconnected

backtothefirstswitch.Inadaisychainconfiguration,thecablethatwouldreturnthe

connection

backtothefirstswitchinaclosedloopisnotinstalled.Theadvantageofthe

closedloopisredundancy—thisconfigurationeliminatesanysinglepointoffailure.Upto

eightswitchescanbestackedtogetherandconnectedbystandardUTPCategory5or

bettercables.Thestackingcablesallowthe

entirestacktooperatewithasingleIPaddress.

1 Rackmount brackets 2 M3x6 mm flathead screws

1 Rails of 19-inch rack 2 Mounting screws (supplied by user)

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Enterasys SecureStack A2 A2H123-24 Instalační příručka Strana 33