Cisco Systems Cisco 12816 Manuale Utente

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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 5      Troubleshooting the Installation
Troubleshooting the Processor Subsystem
Troubleshooting Using the Alarm Cards
The router is equipped with two alarm cards:
  •
One card occupies the dedicated far left slot of the upper card cage.
  •
A second alarm card occupies the dedicated far right slot of the lower card 
cage.
In both card cages, the alarm card slot differs from the rest of the card cage slots 
in that it is labeled to identify it as an alarm card slot, it is physically narrower, 
and has a different backplane connector.
The following components and indicators are on the front panel of the alarm cards 
(
  •
Critical (red), Major (red), and Minor (yellow) indicators that identify system 
level alarm conditions detected by the system through the MBus.
  –
These indicators are normally off.
  •
Audio alarm cutoff switch.
  •
25-pin cable connection to an external alarm.
  •
Alarm card indicators:
  –
ENABLED (green)—the alarm card is operational and functioning 
properly.
  –
FAIL (yellow)—the alarm card in that slot is faulty.
  •
A pair of status LEDs that correspond to each of the CFC and SFC card slots 
in the switch fabric and clock scheduler card cage:
  –
ENABLED (green) 
 
On—the card installed in that slot is operational and functioning 
properly.
 
Off—either the slot is empty or the card installed in that slot is faulty.
  –
FAIL (yellow)—the card in that slot is faulty.