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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
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Chapter 7 Maintaining the Router
Removing and Replacing the Optional 2-Level AC-Input Power Shelf
Step 3 Loosen the two captive screws on each side of the power shelf.
Step 4 Loosen the ejector jackscrew to unseat the power shelf from the connectors on the
chassis power interface panel.
Step 5 Remove the power shelf by grasping the flanges on each side and slowly pulling
the shelf along the chassis track to remove it (Figure 7-32).
Warning
The AC-input power shelf weighs approximately 42 pounds (19.05 kg). Use two
hands to remove the power shelf.
Figure 7-32 Removing the AC-Input Power Shelf
ACTIVE
0
CARRIER
RX PKT
1
DOWN
LOOPRA LA
CDHNTCD
TX
0
RX
TX
1
RX
TX
2
RX
TX
DOWN
LOOPRA LA
CDHNTCD
TX
0
RX
TX
1
RX
TX
2
RX
TX
SLOT
-0
SLOT
-1
RESET
AUX
EJECT
33450
Track on
chassis