Allied Telesis AT-S39 - Manual (Page 62)

Section II: Local and Telnet Management
62
The menu displays the current status of the switch at the end of
selection “1 - Switch State.” For example, the switch’s current
status in the figure above is Master.
Note
The “2 - Stacking Services” selection is included in the menu only for
master switches.
2. To change a switch’s stacking status, type 1 to select Switch State.
The following prompt is displayed.
Enter new setup (M/S/U) ->
3. Type M to change the switch to a master switch, S to make it a slave
switch, or U to make the switch unavailable. Press Return.
A change to the status is immediately activated on the switch.
4. Type S to select Save Configuration Changes.