Chapter 5 Maintaining the Router
Removing and Replacing the DC Power Shelf
5-40
Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide
OL-17440-01
Step 5
Unseat the power shelf from the chassis (
Figure 5-28
):
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 5-28
Unseating the Power Shelf
AC
TIV
E
0
CA
RR
IE
R
RX
P
KT
1
DO
WN
LOOP
RA
LA
CDHNT
CD
TX
0
RX
TX
1
RX
TX
2
RX
TX
DO
WN
LOOP
R
A
L
A
CDHNT
C
D
TX
0
RX
TX
1
RX
TX
2
RX
TX
SL
OT
-0
SL
OT
-1
RE
SE
T
AU
X
EJ
EC
T
28020
Captive screws
(2 on each side)
Ejector
jackscrew