Allied Telesis 8100S Series - Manual (Page 102)

Chapter 6: Powering On and Verifying the Stack
102
 Examine the stack ID LEDs to verify that each switch has been
assigned a unique ID number, in the range of 1 to 8. If there are
switches with duplicate numbers, power off the stack and perform
the procedures in Chapter 5, “Assigning the Stack ID Numbers and
Cabling the Stacking Ports” on page 79. (The stack ID number
must be set while the switch is functioning as a stand-alone unit.)
The stack is operating correctly when the physical switches
correspond correctly with the information the SHOW STACK command
displays.
4. To continue with the installation, go to Chapter 7, “Cabling the Network
Ports” on page 103.