Nt8D53Ad Power Distribution Unit - Nortel Meridian 1 Replacement Manual
Hardware replacement
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Also See for Meridian 1:
- Manual (1121 pages) ,
- Planning and installation manual (612 pages) ,
- Planning, installation and operating instructions (556 pages)
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NT8D53AD Power Distribution Unit
Use this procedure to replace the power distribution unit (PDU); used in
Option 21A.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Removing equipment
1
Set the circuit breaker on the PDU to OFF (down). Figure 32 shows the
location of the unit in the rear of the pedestal.
Figure 32
NT8D53AD Power Distribution Unit (Option 21A)
2
Unplug the power cable from the external outlet.
3
Disconnect the power cable from the pedestal to the module:
a
Remove the rear cover on the module.
b
Remove the I/O safety panel over the backplane.
c
Disconnect the power plug at connector J1.
Replacing equipment
WARNING
Page 195 of 362
Hardware replacement
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