Hub-to-Hub Connections
with Twisted-Pair Cable
Hub-to-hub connection between Model DE-
812TP+ Ethernet Hubs requires a 10BaseT
crossover cable. In making a hub-to-hub
connection involving a Model DE-816TP or
Model DE-824 Ethernet Hub, there is the
alternative of using a straight cable.
Internal Crossover Features
The Model DE-816TP Ethernet Hub and 24-Port
Ethernet Hub feature internal cross-over
alternatives for Port 1:
Model DE-816TP Ethernet Hub
The port numbered as Port 1 is identical with
each of the other numbered ports. But Port 1 is
specially equipped with an alternative connector,
labeled “ Uplink.” The Uplink connector is
wired to the same conductors as the Port 1
connector, but with certain pin positions
interchanged to provide a cross-over, and thus
allow use of a straight cable to make a hub-to-
hub connection.
Keep in mind that the Uplink connector is not an
independent port. It is only an alternative
connector to Port 1, to facilitate hub-to-hub
