Black Box MT257A Manual De Usuario
13
CHAPTER 3: Configuration
installed settings, JP1 links RJ-45 Pin 3 to the coax TX
shield, while JP2 links RJ-45 Pin 6 to the coax RX shield.
shield, while JP2 links RJ-45 Pin 6 to the coax RX shield.
To remove these jumpers in order to break these
links, you’ll need to open the case of your Adapter or
temporarily remove each port-card module from your
Balun Mate II. Follow these steps, taking all reasonable
precautions against static electricity:
temporarily remove each port-card module from your
Balun Mate II. Follow these steps, taking all reasonable
precautions against static electricity:
1. Make sure that the Adapter or module is
disconnected from all cables and from all other
devices.
devices.
2A. If you’re setting the jumpers on an Adapter, insert a flat-
blade screwdriver into the slot on the side of the
Adapter’s case and twist. The case will pop open,
exposing the circuit board.
Adapter’s case and twist. The case will pop open,
exposing the circuit board.
2B. If you’re setting the jumpers on a Balun Mate II module,
unscrew the nuts and washers on the module from
the two screwposts embedded in the chassis’ front
panel. (You might need a nutdriver to do this.)
Once this is done, carefully slide the module out
of the back of the rack chassis.
the two screwposts embedded in the chassis’ front
panel. (You might need a nutdriver to do this.)
Once this is done, carefully slide the module out
of the back of the rack chassis.