Nortel Networks 450 manual describes the Renumber Stack Units screen options

Using the BayStack 450 10/100/1000 Series Switch

Table 3-23 describes the Renumber Stack Units screen options:

Table 3-23. Renumber Stack Units Screen Options

Option	Description
Current Unit Number	Read-only fields listing the current unit number of each of the configured stack
	units. The entries in this column are displayed in order of their current physical
	cabling with respect to the base unit, and can show nonconsecutive unit numbering
	if one or more units were previously moved or modified. The entries can also
	include unit numbers of units that are no longer participating in the stack (not
	currently active).
MAC Address	Read-only field listing the MAC address of the corresponding unit listed in the
	Current Unit Number field.
New Unit Number	User-settable field showing the current unit number of each unit in the stack. You
	can change any of the fields, as required. You can also delete entries by typing
	zero (0) or using the space bar to clear the field.
	Default Value	Current stack order
	Range	1 to 8
Renumber units with	Specifies whether to start the renumbering process (default is No). Use the
new setting?	spacebar to toggle the selection to Yes.

Renumbering resets the switch with the current configuration values. When you select this option, the switch resets, runs a self-test, then displays the Nortel Networks logo screen. After you press [Ctrl]-Y at the screen prompt, the console screen temporarily displays the (standalone) BayStack 450 main menu. Then, within 20 seconds, the console screen refreshes and displays the main menu screen for the stack configuration. The Unit LEDs display the new numbering order.

Default Value	No
Range	No, Yes

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