KTI Networks DH-8T - Manual (Page 12)

When connecting more than two hubs via TP ports and UTP cables,
it is important to minimize the number of hubs in any path of the
network.
You may select one hub to serve as a primary hub to which other
hubs will be connected. This will minimize the number of hubs in any
path (node to node) on the network. The following figure illustrates
an example of connection topology:
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