Installation guide

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)