When the Reset LED Is ON or Starts Blinking
When the Reset LED of an 6412M-25-TP module is ON or starts blinking, the module
has entered into an error condition. Table 4-3 describes the possible problems that
may occur and the corrective action to take for each problem.
Table 4-3. Problem Determination Using the Module Reset LED
Reset LED Meaning Possible
Cause
Corrective Action
ON 6412M-25-TP
module error
condition
Module is
faulty.
Perform the wrap tests
described in “Determining the
Failing Component Using a
Wrap Test” on page 4-9.
There is a bad
connection on
the ATM
backplane.
1) Remove the module and
re-insert it in the same slot.
2) If the problem persists, insert
the module in another slot.
Blinking 6412M-25-TP
module error
condition
(ONcore only)
ONcore ATM
Switch/Control
module is not
installed.
Install an ONcore ATM
Switch/Control module in slots 9
to 10 (or 11 to 12 in 17-slot
model).
Module is either
faulty or not
securely
plugged into
the ATM
backplane.
1) Remove the module and
re-insert it.
2) If the problem persists,
replace the module.
There is a bad
connection on
the ATM
backplane.
1) Remove the module and
re-insert it in the same slot.
2) If the problem persists, insert
the module in another slot.
Chapter 4. Troubleshooting 4-7
