Nortel DMS-100 Manual page 124

Recovering from a dead system in a SuperNode switch
140 Determine if the power converters have Power Reset buttons or Power Reset
switches.
141 To turn on each power converter, press and hold the Power Reset button for
2 s.
142 Determine if all the converters have power. The Converter Fail lights are not
lit when the converters have power.
143 To turn on each power converter, pull the power switch out and toggle the
switch to the Power Reset position.
144 Determine if all the converters have power. When the Converter Fail lights
are not lit the converters have power.
145 Turn on each power converter, as follows:
a
b
c
146 Determine if all the converters have power. When the Converter Fail lights
are not lit the converter have power.
If the power converters
have Power Reset buttons
have Power Reset switches
Note: The Converter Fail light is not lit when the power converter has
power.
If
all the converters have power
any converters do not have power
Note: The Converter Fail light is not lit when the power converter has
power.
If
all of the converters have power
any of the converters do not
have power
toggle the breaker to the ON position
press and hold the Power Reset button for 2 s
release the breaker and the Power Reset button
Note: The Converter Fail light is not lit when the power converter has
power.
If
all of the converters have power
DMS-100 Family NA100 Recovery Procedures LET0015 and up
System level recovery procedures
Do
step 141
step 143
Do
step 147
step 148
Do
step 147
step 148
Do
step 147
2-77
(continued)