Allied Telesis x530 Series Installation Manual page 97

7. If there is a fourth switch, power it on and wait two minutes for it to join
the stack as a member with the ID number 4.
At this point, the stack is operational.
The ID numbers are automatically stored in special files in the flash
memories of the switches and are retained by the devices even if you
reset or power cycle the stack.
8. To continue with the installation, go to "Starting a Local Management
Session" on page 100 and "Verifying the Stack" on page 102.
x530 Series Installation Guide for Virtual Chassis Stacking
97