Chapter 7 Maintaining the Router
Removing and Replacing a Power Bus Board Fuse
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Use the following procedure to replace a fuse on the power bus board.
Step 1
Power off the router (see
Powering Off the Router, page 7-2
).
Warning
The router must be powered down before a fuse can be removed and replaced.
Step 2
Remove the power bus board MBus access cover by loosening the four captive
screws (
Figure 7-57
).
Figure 7-57 MBus Controller Access Cover
Step 3
Remove the fuse from the fuse holder using a non-conducting fuse extraction tool
(
Figure 7-58
).
Step 4
Insert the replacement fuse using the fuse extraction tool to hold the replacement
fuse, align the fuse with the opening in the fuse holder.
Step 5
Reinstall the MBus access cover.
Step 6
Power on the router and return it to service (see
Powering On the Router and
Observing the Boot Process, page 4-4
).
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Back panel of chassis
MBus access cover
Captive screws
(2 on each side
of access cover)