D-Link 824TP User Guide - Page 7

Rules for Using the Uplink Feature - de manual

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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).

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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).