METRObility Optical Systems RADIANCE R231-1Y - Manual (Page 6)

6 Installation Guide
Installation Guide
Follow the simple steps outlined in this section to install and start using the
Radiance access line cards.
NOTE: Electrostatic discharge precautions should be taken when handling any
line card. Proper grounding is recommended (i.e., wear a wrist strap).
Unpack the Line Cards
Your order has been provided with the safest possible packaging, but
shipping damage does occasionally occur. Inspect your line card(s)
carefully. If you discover any shipping damage, notify your carrier and
follow their instructions for damage and claims. Save the original
shipping carton if return or storage of the cards is necessary.
Set the Switches
MDI- II to MDI- X Switch (twisted-pair ports only)
To eliminate the need for crossover cables, the access line card has an
MDI-
II to MDI- X switch on its twisted-pair port. The switch is located
on the center of the front panel. Use this switch to configure the port for
either a straight-through or crossover connection.
• The parallel symbol ( II ) indicates a straight-through or parallel
connection. The switch is up. (default)
• The cross symbol ( X ) indicates a crossover connection. The switch is
down (depressed).
Use the following table as a guide.
2
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
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