Cisco Systems Cisco 12816 Manuale Utente

OC (2400 W PEM only) (steady, or flashing yellow after 10 
seconds)—Indicates the output current of the power supply exceeded its limit 
and an overload or short circuit has occurred.

If the OC indicator is on or flashing, the fault indicator is also 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.

This section contains the procedures to remove cards from the card cages in the 
chassis. For additional information about specific types of cards, see 

This section describes the procedures for removing and installing a router 
processor (RP) card or a line card from the upper or lower card cage. The upper 
and lower card cages have 9 slots, and the lower card cage is a reverse image of 
the top card cage. Alarm cards can only be installed in their specific slots which 
are labeled as “Alarm Card”. See the 

 for information about replacing an alarm card.

If you are upgrading your router from a GRP to a PRP, you must power off the 
router to switch the RP cards. If you are replacing a nonredundant RP you should 
back up the running configuration file to a TFTP server or a flash disk so that you 
can retrieve it later. If the configuration file is not saved, you will have to reenter 
the entire configuration manually for the new RP.