Nortel DMS-100 Manual page 158

Recovering from a dead system in a SuperNode SE switch
150
151
152
153
154
155
156
Determine if the power converters have POWER RESET buttons or POWER
RESET switches.
If the power converters
have POWER RESET buttons
have POWER RESET switches
Press and hold the POWER RESET button on the converter for 2 seconds to
turn on each power converter.
Note: The Converter Fail light goes off with the power converter turned
on.
Determine if all the converters powered up correctly. The indication is all the
Converter Fail lights go off.
If all the converters
powered up
did not power up
Turn ON each power converter. Pull the power switch out and toggle the
switch to the POWER RESET position to turn on each power converter.
Note: The Converter Fail light goes off with the power converter turned
on.
Determine if all the converters powered up correctly.
Note: When a converter powers up correctly, the Converter Fail light goes
off.
If all the converters
powered up
did not power up
Turn ON each power converter, as follows:
a Toggle the breaker to the ON position.
b Press and hold the POWER RESET button for 2 s.
c Release the breaker and the POWER RESET button.
Note: The Converter Fail light goes off with the power converter
turned on.
Determine if all the converters powered up correctly. The indication is all the
Converter Fail lights go off.
If the converters
powered up
DMS-100 Family NA100 Recovery Procedures LET0015 and up
System level recovery procedures
Do
step 151
step 153
Do
step 157
step 158
Do
step 157
step 158
Do
step 157
2-111
(continued)