cabling. Port 1 is fully occupied whenever (1) a
hub-to-hub connection is made through its
Uplink connector, or (2) any kind of connection
is made directly through the Port 1 connector.
Below in this manual, the term “ Uplink
selected” will mean, as to the Model DE-816TP
Ethernet Hub in question, that the subject
connection is made through the Uplink connector
Model DE-824TP Ethernet Hub
The connector numbered as Port 1 is equipped
with a switch labeled “ Uplink” When the
Uplink switch is in the “ off” (tall) position, the
Port 1 connector is wired “ straight” to the
supporting circuitry, and Port 1 is then identical
with each of the twenty-three other numbered
ports. When the Uplink switch is in the “ on”
(depressed) position, a pin interchange is
switched into the wiring for the Port 1 connector,
to provide a cross-over, and thus allow use of a
straight cable to make a hub-to-hub connection.
Below in this manual, the term “ Uplink
selected” will mean, as to the Model DE-824TP
Ethernet Hub in question, that the subject
connection is made through Port 1 and the
Uplink switch is in its “ on” (depressed) position.
Rules for Using the Uplink Feature
Uplink should never be selected for a station
cable connection. And Uplink should never be
selected for a hub-to-hub connection through a
crossover cable (because the crossover in the
connector wiring would cancel out the crossover
in the cable).
