Two controller cards per chassis – Allied Telesis AT-SBx81CFC960 User Manual
Page 274
Chapter 14: VCStack Plus Overview
274
Section III: Building a Stack with VCStack Plus
Two Controller
Cards Per
Chassis
Figure 173 illustrates the wiring configuration when both switches have
two controller cards.
Figure 173. Cabling the Stacking Transceivers When Both Switches have
Two Controller Cards
Please note the following:
The trunk has a bandwidth of 80Gbps in both directions when each
chassis has two controller cards.
The switches can form the stack even if the transceivers are
cabled incorrectly such that the wires between transceivers
crossover (e.g., the transceiver in SFP+ slots 1 is connected to the
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