Users Guide

Dell PowerConnect 55xx Systems User Guide 49
2 Turn on the unit to begin auto boot and press Return or Esc to abort and
enter the
Start Up menu.
3 Select Stack Menu to open the Stack Menu .
4 Select Set Unit Stack ID. Enter either a Unit ID for manual assignment or
0 to indicate that the unit ID will be assigned automatically.
NOTE: The entire stack should be connected, as shown in Figure 6-1, before
powering up the units.
Selecting the Master and Master Backup Units
A unit is master-enabled if it assigned Unit ID 1 and Unit 2. All other units in
the stack (slaves) have unit IDs of 3-8.
The stack master assignment is performed during the configuration boot
process. One master-enabled stack member is elected as Master, and the
other master-enabled stack member is selected as
Master Backup , according
to the following decision process:
• A master is selected from the set of the two Master-enabled units. Priority
is given to the lowest unit ID, but also takes into account the amount of
time the unit is UP (Up Time) as follows:
Startup Menu
[1]Download Software
[2]Erase Flash File
[3]Password Recovery Procedure
[4]Set Terminal Baud-Rate
[5]Stack Menu
[6]Back
[1]Show Unit Stack ID
[2]Set Unit Stack ID
[3]Back