Figure 26: Stack Trunk Of Four 40Gbps Links; Figure 27: Stack Trunk Of Two 100Gbps Links; Figure 28: Invalid Trunk With Links Operating At 40Gbps And 100Gbps - Allied Telesis AT-x950-28XSQ Installation Manual

Chapter 2: Virtual Chassis Stacking
54
Figure 26. Stack Trunk of Four 40Gbps Links

A stack trunk of 100Gbps transceivers must have two links. An
example is shown in Figure 27.
Figure 27. Stack Trunk of Two 100Gbps Links
Here are examples of invalid 40Gbps or 100Gbps trunks:

A trunk cannot have links operating at 40Gbps and 100Gbps.
Figure 28 illustrates an invalid trunk with two links operating at
different speeds.
Figure 28. Invalid Trunk with Links Operating at 40Gbps and 100Gbps

A 40Gbps or 100Gbps trunk cannot have both fiber optic and direct
40Gbps
40Gbps
100Gbps
100Gbps