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6 Front Panel
Kingston Technology Company KNExTX/WG User’s Guide - Rev. A00
Cascade Switch
The Cascade Switch provides cable wiring flexibility on the last UTP Port (i.e.,
Port 4 or Port 8) for connecting to a workstation or cascading to another hub.
By default, the last UTP port is set to “Crossover” (left side) as a standard,
internally-crossed port, or MDI-X port. Depending on the wiring of your UTP
cable (normally “Straight-Through”), the port is used to connect a workstation.
For cascading to
another Class
II
repeater using a straight-through cable,
move the Cable Switch to “Straight-Through” (right side). If a crossover UTP
cable is used to cascade to another Class
II
repeater
, leave the Cable Switch in
the “Crossover” position. See Figure 1-4 for a diagram showing the cascade
switch settings. To verify the pin wiring of your UTP cable, refer to
“Appendix B Cabling Guidelines” on page 11.
Fig. 1-4 Cascade Switch functions
Notes on MDI and MDI-X Ports
MDI (Media Dependent Interface) is the IEEE 802.3 standard for the interface
to the UTP cable. For two 100BASE-TX devices to communicate with each
other, the transmitter of one device must be connected to the receiver of the
other device. This can be achieved by using a crossover cable, or by using one
MDI-X port that implements the cross-over internally.
CASCADE
Rx Workgroup
CASCADE
Rx Workgroup
Using a Straight-Through Cable
Using a Crossover Cable
CASCADE
Rx Workgroup
CASCADE
Rx Workgroup
Leave the cascade switch
in the default crossover
(MDI-X) position when
connecting the last UTP
port (port 4 or port 8) on
the EtheRx Hub to another
Class repeater (or other
MDI-X configured device.)
Leave the cascade switch
in the default crossover
(MDI-X) position when
connecting the last UTP
port (port 4 or port 8) on
the EtheRx Hub to a
network card or router (or
other MDI-configured
device.)
Move the cascade switch
to the straight-through
position when connecting
the last UTP port (port 4
or port 8) on the EtheRx
Hub to another Class
repeater (or other MDI-X
configured device.)
II
Move the cascade switch
to the straight-through
position when
connecting the last UTP
port (port 4 or port 8) on
the EtheRx Hub to a
network card or router
(or other MDI-configured
device.)
II