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Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide
OL-17440-01
Chapter 5 Maintaining the Router
Removing and Replacing the DC Power Shelf
Removing and Replacing the DC Power Shelf
Use the following procedure to remove and replace the DC-input power shelf.
Caution
To remove and replace the power shelf, the system must be powered off. Notify
the network administrator and other appropriate personnel that all routing traffic
stops while the upgrade takes place.
Step 1
Remove all of the DC PEMs as described in the
“Removing and Replacing a DC
PEM” procedure on page 5-31
through
Step 4
.
Step 2
Remove the power cable cover by loosening its retaining screw (
Figure 5-26
).
Figure 5-26
Removing the Source DC Power Cable Cover
27219
Ground
–
+
Cover standoff
Cover with slotted screw hole;
fastens to standoff in middle
of cable connection area.