Lucent Technologies TransTalk 9000 Installation And Use Manual page 94

Installation Problems (continued)
Symptom
The LEDs on the
carriers were
displaying
correctly accord-
ing to the three
self tests in
"Installing
Multiple Carri-
ers" when you
installed the
carriers and
radio modules,
but now the LED
conditions have
changed.
5-4 Troubleshooting
Possible Causes
A radio module is Locate the malfunctioning radio module by using
malfunctioning. the following procedure:
1.
2.
3. Wait 15 seconds.
4.
5. Repeat the above steps as often as
6.
7 . Replace the malfunctioning radio module
8.
9. Power down the carriers again.
10. Reinsert the remaining radio modules into
11. Repower the carriers again, in order from left
Possible Solutions
Power down all carriers.
Remove the rightmost radio module.
Repower the carriers in order from left to
right.
necessary, removing the modules one by
one, working from right to left, until the LED
conditions revert back to one of the following:
With no radio modules in the carriers:
— OUT OF SYNC = all lighted
— CONTROL/EXPANSION = all
lighted (green),
or
With one or more radio modules in each
carrier:
— OUT OF SYNC = not lighted
— CONTROL/EXPANSION = all lighted
Control carrier = green
Expansion carrier(s) = amber
The last radio module that you removed
before the lights reverted to the proper
display is the malfunctioning one.
Power down the carriers again.
with a good one.
Repower the carriers again, in order from
left to right, to verify that the replacement
module functions properly. If the LEDs
match one of the displays described in
Step 5, the radio module is functioning as
it should.
their slots.
to right.