User guide

8 Installation Guide
When setting the MDI-II to MDI-X switch, observe the
positioning of the following symbols:
• the parallel symbol (II ) indicates a straight through or parallel
connection. (default)
• the cross symbol (X) indicates a crossover connection.
These symbols are clearly marked on the bottom of the unit. Using a
pointed object, simply slide the switch in the direction of the appropriate
symbol. Use the following table as a guide:
A device that is wired straight through, needs one crossover connection:
If the cable is…
straight through
crossover
… the MDI-II to MDI-X Switch Setting should be
X
II
A device that is wired crossover, needs a parallel connection:
If the cable is…
straight through
crossover
… the MDI-II to MDI-X Switch Setting should be
II
X
TX RX SM
PWR
100BASE-FX 100BASE-TX
™
“twister” 2131
LKAT LKAT
MDI-II / MDI-X Switch
(default is MDI-II)