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Front Panel 7
KNS800/WG User’s Guide - Rev. B01 Kingston Technology Company
The following diagrams show the relationship between cable type and which
cascade configuration to use. To verify
the pin wiring of your UTP cable, see
“Appendix A Pin Assignments.”
Using a Straight-Through Cable
EtheRx Switch
CASCADE
Leave the cascade switch in
t
he default crossover (MDI-
X
) position when connecting
t
he last UTP port on the
Fast EtheRx Switch to a
network card or router (or
other MDI configured
device).
EtheRx Switch
CASCADE
Move the cascade switch to
t
he straight-through position
w
hen connecting the last
UTP port on the Fast
EtheRx Switch to another
hub or switch (or other MDI-
X
configured device).
Using a Crossover Cable
EtheRx Switch
CASCADE
Leave the cascade switch in
t
he default crossover (MDI-
X
) position when connecting
t
he last UTP port on the
Fast EtheRx Switch to
another hub or switch (or
other MDI-X configured
device).
EtheRx Switch
CASCADE
Move the cascade switch to
t
he straight-through position
w
hen connecting the last
UTP port on the Fast
EtheRx Switch to a network
c
ard or router (or other MDI
c
onfigured device).
Notes on MDI and MDI-X
MDI (Media Dependent Interface) is the standard that defines the mechanical
and electrical configuration of a UTP port. For any two devices to
communicate with each other on the network, 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 the MDI-X port, which implements the
crossover internally.
Port 1 through port 4 on the KNS500/WG, and port 1 through port 7 on the
KNS800/WG, like all normal hub ports, are configured MDI-X. The last UTP
port, port 5 on the KNS500/WG, or port 8 on the KNS800/WG, supports both
port configurations, MDI and MDI-X. All NICs (Network Interface Cards) and
Router ports are usually by default configured MDI. A simple illustration
shows the relationship of cable types to port types:
Switch
Position
Port
Config
For Connection to
another Hub Port (MDI-X)
For Connection to a
Network Adapter (MDI)
MDI-X Use Crossover cable Use Straight-through cable
MDI Use Straight-through cable Use Crossover cable