Figure 18: Trunk Of Ports S1 And S2 For A Stack Of Two Switches - Allied Telesis AlliedWare Plus Installation Manual

x930 Series Installation Guide for Virtual Chassis Stacking
Figure 18. Trunk of Ports S1 and S2 for a Stack of Two Switches
Caution
The stack will not function if the connections to ports S1 and S2 do
not crossover on the switches. The switches will instead operate as
stand-alone devices.  E78
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