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Using Your Hub Software 3-7
Hub ID Numbers
Here are two rules that determine hub ID numbers in a stack of hubs:
1 The lowest hub ID number in a stack (1) is always assigned to the hub with another hub
connected to its OUT port and with no hub connected to its IN port.
2 The highest hub ID number in a stack (any number from 2 to 5) is always assigned to
the hub with no hub connected to its OUT port and with another hub connected to its IN
port.
Figure 3-1 illustrates these rules.
Figure 3-1 Hub ID Numbers for Stacked Hubs
OUT STACKCONNECT IN
OUT STACKCONNECT IN
OUT STACKCONNECT IN
OUT STACKCONNECT IN
OUT STACKCONNECT IN
OUT STACKCONNECT IN
Hub ID = 1
Hub ID = 2
Hub ID = 3
Hub ID = 3
Hub ID = 2
Hub ID = 1
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