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Chapter 7 Maintaining the Router
Removing and Replacing the Standard AC-Input Power Shelf
7-44
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
•
OC (2500 W PEM only) (steady, or flashing yellow after 10
seconds)—Indicates the output current of the power supply has exceeded its
limit and that an overload or short circuit has occurred.
Note
If the OC indicator is on or flashing, the fault indicator also goes on.
–
Remove and then apply power to the power supply by disconnecting its
power cord.
–
If the indicator remains on, try reseating the power supply.
–
If the indicator remains on, replace the power supply.
Removing and Replacing the Standard AC-Input
Power Shelf
Use the following procedure to remove and replace the standard AC-input power
shelf.
Caution
To remove and replace the power shelf, the system must be powered off. Be sure
to notify the network administrator and other appropriate personnel that all
routing traffic stops while the upgrade takes place.
Caution
If you are upgrading to a new power shelf, you cannot use old power supplies. You
must upgrade to newer, 2500 W power supplies (see
Table 7-1 on page 7-30
).
Step 1
Remove all of the power supplies as described in
“Removing and Replacing an
AC Power Supply” section on page 7-33
.
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