Enterasys Networks A2H124-24FX Manual

A SERVICE OF

next previous

Connecting Stacking Cables

SecureStack A2 Installation Guide 3-11

Figure 3-6 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 3‐7.Thenfastentheswitch securely

totheframeusingfourmountingscrews(usersupplied).

Figure 3-7 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 3‐11.Otherwise,proceedto“ConnectingAC

andRPS‐SYSPower”onpage 3‐16.

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)

Á

À

Á

À

Console

CPU

RPS

MGR

1 3 5 7 9 11 13 15 17 19 21 23

24681012141618202224

25

26

27

28

25/Up 26/Down

Stack

27

28

2 8 10 1246

179113 5 13 19 21 2315 17

14 20 22 2416 18

Á

À

Á

À

Console

CPU

RPS

MGR

1 3 5 7 9 11 13 15 17 19 21 23

24681012141618202224

25

26

27

28

25/Up 26/Down

Stack

27

28

2 8 10 1246

179113 5 13 19 21 2315 17

14 20 22 2416 18