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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 DC-Input Power Shelf
Step 5 Unseat the power shelf from the chassis (Figure 7-42):
a. Loosen the two captive screws on each side of the power shelf.
b. Loosen the ejector jackscrew to unseat the power shelf from the connectors
on the chassis power interface panel.
Warning
The DC-input power shelf weighs approximately 10.2 pounds (4.6 kg). Use two
hands to remove the power shelf.
Figure 7-42 Unseating the 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
28020
Captive screws
(2 on each side)
Ejector
j
ackscrew