
Dual-Speed Stackable Hubs User’s Guide
Making Connections
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rule is followed. The following table describes different methods
of linking hubs (or hub stacks):
HUB PORT
USED
DEVICE
PORT
TYPE
CABLE TO USE
Normal
Switch or
Hub
Non-
Uplink
Crossover (X)
Uplink
Straight-Through (||)
Server (or PC)
Straight-Through (||)
Uplink
Switch or
Hub
Non-
Uplink
Straight-Through (||)
Uplink
Crossover (X)
Server (or PC)
Crossover (X)
A crossover cable is a straight-through twisted-pair cable in which
the wires have been crossed. The figure below shows the pin as-
signments for an Ethernet or Fast Ethernet crossover cable:
There is 100BASE-FX optional module that may be added to any
of the hubs in the series. Each of the modules offers a 100BASE-
FX additional network interface that allows for greater flexibility
in how these hubs may be used in a network.