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62 | Alarms
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AC Power Supplies and Alarms
During system boot, if the redundant power supply (the fourth power supply) is missing or fails, the
FTOS does not generate any alarm messages since the minimum configuration of three power supplies is
operating. Yet, if a fourth AC power supply is installed, and later one of the four power supplies is
removed or fails, the system generates a minor alarm.
If only three power supplies are installed and one of them fails while the E600i is operating, the software
generates a major alarm and an SNMP trap, lights the major LED, and activates the audible alarm.
When you operate the E600i with three AC power supplies and six or more line cards, the software lists a
redundancy alarm on the console and in the
show alarms command output. All line cards operate
normally.
SFMs and Alarms
The number of SFMs present in the system when it boots determines the level of alarms sent when a fifth
(redundant) SFM is removed or fails. At boot time, if five SFMs are present and functioning, the E600i
system issues no alarms. However, if one SFM fails or is removed, the system send a minor alarm stating
that four SFMs are present. The system requires four functioning SFMs to pass traffic.
Line Card Hardware failure major (red) major amber no
Exceeds high temperature limit major (red) major unlit yes
Exceeds warning temperature limit minor (amber) minor green yes
Individual interface fails minor (amber) reported amber
a
no
RPM (Non-redundant Configuration with 1 RPM)
Exceeds high temperature limit major (red) major unlit yes
Exceeds warning temperature limit minor (amber) minor green no
RPM fails but CP is ok major (red) major amber yes
SFMs (Redundant Configuration with 5 SFMs)
Exceeds high temperature limit major (red) major unlit yes
Exceeds warning temperature limit minor (amber) minor green no
Any card fails minor (amber) minor amber no
Any card removed minor (amber) minor unlit no
SFMs (Non-Redundant Configuration with 4 SFMs)
Exceeds high temperature limit major (red) major unlit yes
Exceeds warning temperature limit minor (amber) minor green no
Any card fails major (red) major amber yes
Any card removed major (red) major unlit yes
a. The interface’s Link LED is unlit.
Table B-1. Alarm Events and Reporting
Module Alarm Event Alarm LED Reported in
event log
Status LED
on Module
Audible
Alarm?