Connecting AC Power
2-10 Installation
Adding a New Switch to an Existing Stack
Usethefollowingproceduretoinstallanewswitchtoanexistingstackconfiguration.
1. Ensurethatpowerisoffonthenewswitchbeinginstalled.
2. Useoneofthefollowingmethodstocompletethestackcableconnections:
–Iftherunningstackusesadaisychaintopology,makethestackcableconnectionsfrom
thebottomofthestacktothenewswitch(thatis,STACKDOWNconnectorfromthe
bottomswitchoftherunningstacktotheSTACKUPconnectoronthenewswitch).
–Iftherunningstackusesaringstacktopology,breaktheringandmakethestackcable
connectionstothe
newswitchtoclosethering.
3. Applypowertothenewswitch.
Connecting AC Power
ToconnectaswitchtotheACpowersource,refertoFigure 2‐6andproceedasfollows:
1. Plugthepowercord
intotheswitchACpowerconnector.
2. PlugtheotherendofthepowercordintoadedicatedgroundedACoutlet(notshown).The
typeofpoweroutletandpowercordarecountry‐dependent.
Note: This procedure assumes that the new switch being added has a clean configuration from
manufacturing and is running the same firmware image version as other switches in the stack. The
new switch being added also must have the same license as the manager switch.
Important Considerations About Using Clear Config in a Stack
When using the clear config command (as described in the Enterasys B5 CLI Reference) to clear
configuration parameters in a stack, it is important to remember the following:
• Use clear config to clear config parameters without clearing stack switch IDs. This command WILL NOT
clear stack parameters and avoids the process of re-numbering the stack.
• Use clear config all when it is necessary to clear all config parameters, including stack switch IDs and
switch priority values.
Note: The power supply in the switch has automatic voltage sensing that allows connection to
power sources ranging from 100 to 240 VAC.
Note: If you plan to connect all the switches quickly to allow automatic Manager selection, wait until
all switches are fully operational before proceeding to the next step.
If you plan to power up each switch and allow it to become fully operational before applying power
to the next switch, proceed to the next step.
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