Nortel Networks Circuit Card Manuel D’Utilisation

 NT6D80 MSDL card

The MSDL card encountered a fatal error and cannot recover. 

The exact reason for the fatal error is shown in the MSDL300 error 
message output to the console of TTY when the error occurred.

Check the MSDL300 message to find out the reason.

Alternatively, display the status of the MSDL, which also indicates 
the cause of the problem, with the 

 command and 

check the information to find the cause of the fatal error.

Allow the system to attempt recovery. If this fails, either by reaching 
a threshold or detecting self-test failure, place the MSDL in the 
manually disabled state with the 

 command and follow 

The system attempted autorecovery of the MSDL card more than 

five times within 30 minutes and each time the card was disabled again. 
The system attempts to enable the card again at midnight unless you 
intervene.

:

Place the MSDL card in a manually disabled state with the 

 command and follow the steps in “Previously operating 

.