Nortel DMS-100 Manual page 470

Emergency shutdown of one enhanced network plane
At the ENET shelf
25
Make sure that the LED on the NT9X13 card is lit. The light indicates that the
power interlock on the power converter cards is unlocked. This procedure
can take 3 min.
26
The next action depends on which ENET plane you want to shut down.
If you want to shut down
plane 0
plane 1
At the ENET shelf
27 At the same time, press down and release the switches on the faceplates of
the power converters in slots 1 and 4.
28 Go to step 33.
At the ENET shelf
29 At the same time, press down and release the switches on the faceplates of
the power converters in slots 33 and36.
30 Go to step 33.
Emergency power conservation recovery procedures
Emergency power conservation
WARNING
Static electricity damage
Wear a wrist strap that connects to the wrist-strap grounding
point of the frame supervisory panel (FSP) to handle circuit
cards. The wrist strap protects the cards against static
electricity damage.
WARNING
Possible loss of service
Make sure that you power down the correct side of the ENET
shelf. If you power down an in-service node, calls in
progress can drop or network blockage can occur.
DMS-100 Family NA100 Recovery Procedures LET0015 and up
Do
step 27
step 29
5-119
(continued)