Alarms | 51
A
Alarms
The C150 system generates alarms for the following conditions:
• fan tray status
• power supply status
• RPMs status
• high temperature on RPMs
• line cards status
• high temperature on line cards
A major alarm is any fault that would render the C150 system non-functional.
A minor alarm is any fault that threatens the operation of the C150 system.
You can monitor alarm conditions on the C150 system through the console and LEDs. If you configure
the SNMP command
snmp-server enable traps envmon, FTOS also sends an SNMP trap.
In the C150 system, alarms are logged for each occurrence, but the system may not send an event log for
multiple occurrences. For example, whenever a module exceeds the shutdown threshold, the module
shuts down.
If more than one module exceeds the warning or high-temperature thresholds within a five-minute period,
the system generates one event for all affected modules, but alarms are logged for each occurrence. If the
module temperature falls to 5° lower than the warning threshold temperature, the system clears the alarm
and an SNMP trap.
Table A-1. Alarm Events and Reporting
Module Alarm Event Alarm LED Reported in
event log
Status LED on
Module
Fan tray One fan within the module fails. minor (blinking
red)
minor N/A
More than one fan within the module fails or
hardware failure in the module.
major (red) major unlit
AC power
supplies
Hardware failure in a non-redundant power
configuration (two power supplies)
major (red) major unlit
Hardware failure in a redundant power
configuration (three or more)
minor (amber) minor unlit
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