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MODULAR MODEM ELIMINATOR
5. Troubleshooting
5.1 Things To Try
In case a problem occurs, perform the following checks:
• Check that the PWR indicator lights. If not:
-
Check that both ends of the AC power cable are properly connected.
- Disconnect the AC cable from both ends and check the Modem Eliminator’s
fuse (located in the AC power connector). If the fuse is blown, replace it with
a fuse of proper rating.
- Replace the Modular Modem Eliminator.
• Check that the appropriate MODE indicator lights. If not, set the internal
MODE SELECT jumper to the correct position.
• Check that the internal jumpers and the interface module internal switches
are set to the correct positions. See
Sections 3.2.3
and
3.2.4
.
• Check that the cables between the Modular Modem Eliminator and the
attached equipment are properly connected.
5.2 Calling Black Box
If you determine that your Modular Modem Eliminator is malfunctioning,
do not
attempt to alter or repair the unit
. It contains no user-serviceable parts. Contact Black
Box Technical Support at 724-746-5500.
Before you do, make a record of the history of the problem. We will be able to
provide more efficient and accurate assistance if you have a complete description,
including:
• the nature and duration of the problem;
• when the problem occurs;
• the equipment involved in the problem;
• any particular application that, when used, appears to create the problem or
make it worse; and
• the results of any testing you’ve already done.
Summary of Contents for ME260A
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