Nortel Meridian 1 Replacement Manual page 343

Replacing an NT7D10 PDU with an NT7D67CB PDU
3 Remove the grill on the rear of the pedestal.
4 Set all five circuit breakers on the PDU to OFF (down). Figure 37 shows
the NT7D10 PDU in the rear of the pedestal.
Figure 37
NT7D10 Power Distribution Unit DC
Circuit breaker bank
5 Unseat the blower unit in the front of the pedestal:
a Remove the grill on the front of the pedestal. Set the toggle switch
on the front of the unit to OFF (left).
b Turn the screws on the front of the unit counterclockwise and pull
the unit out several inches so the connector on the rear disengages.
The unit is heavy and the blades on the blower may still be rotating up
to 2 minutes after the power is turned off.
System monitor
PDU
Ground lugs
WARNING
Page 343 of 362
Field wiring terminal
(below PDU)
Hardware replacement
553-3039