Troubleshooting; Before Calling For Assistance; When Calling For Assistance - Black Box 10BASE-T Manual

10BASE-T MINIHUB
The 10BASE-T MiniHub is designed
to provide reliability and consistently
high performance in all network
environments. The installation of
the 10BASE-T MiniHub is a simple
procedure (see Chapter 3,
Installation. Operation is very
simple and is described in
Chapter 4, Operation.
If problems develop during
installation or operation, this section
should help to locate, identify, and
correct such problems. Follow the
suggestions listed here before you
contact Technical Support.
However, if you are unsure of any
procedure described in this section,
or if the 10BASE-T MiniHub is not
operating as expected, do not
attempt to repair or alter the unit.
Contact Technical Support for
assistance.

5.1 Before Calling for Assistance

1. If you encounter difficulty when
installing or operating the
10BASE-T MiniHub, refer back
to Chapter 3, Installation and
Chapter 4, Operation. Check to
make sure that the various other
components of the network are
operable.
2. Check the cables and
connectors to make sure that
they have been properly
connected and the cables/wires
have not been crimped or in
some way impaired during
installation.
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5. Troubleshooting

CHAPTER 5: Troubleshooting
3. Make sure that the AUI cable is
properly connected to the unit
and to the Ethernet device AUI
port. Use the PWR LEDs to
verify that the unit is receiving
proper power.
4. If the problem is isolated to a
network device other than the
10BASE-T MiniHub, replace the
problem device with a known
good device. Verify whether of
not the problem is corrected. If
not, go to Step 5 below. If the
problem is corrected, the
10BASE-T MiniHub and its
associated cables are functioning
properly.
5. If the problem continues after
completing Step 4 above,
contact Technical Support by
fax or by phone for assistance.

5.2 When Calling for Assistance

Please be prepared to provide the
following information:
1. A complete description of the
problem, including the following
points:
a. The nature and duration of the
problem;
b. Situations in which the problem
occurs;
c. The components involved in the
problem;
d. Any particular application that,
when used, appears to create the
problem;