User's Manual

Carrier Grade Chassis Management Controller User’s Guide Addendum 23
• Changes to the PSU redundancy policy are limited by the number of PSUs
in the chassis. You can select any of the three PSU redundancy
configuration settings. For more information, see Redundancy Policies.
Power Supply and Redundancy Policy Changes in
System Event Log
Changes in the power supply state and power redundancy status are recorded
as events. Events related to the power supply that record entries in the system
event log (SEL) are power supply insertion and removal, power supply input
insertion and removal, and power supply output assertion and de-assertion.
Events related to changes in the power redundancy status that record entries
in the SEL are redundancy loss and redundancy regain for the modular
enclosure that is configured for either a Grid Redundancy power policy or
Power Supply Redundancy power policy.
Table 1-4 lists the SEL entries that are related to power supply state and
power redundancy status.
Table 1-4. SEL Events for Power Supply Changes
Power Supply Event System Event Log (SEL) Entry
Insertion Power supply <number> is present
Removal Power supply <number> is absent
Grid or Power Supply Redundancy lost Power supply redundancy is lost.
Grid or Power Supply Redundancy
regained
The power supplies are redundant.
Input power received The input power for power supply
<number> has been restored.
Input power lost The power input for power supply
<number> is lost.
DC output produced Power supply <number> is operating
normally.
DC Output lost Power supply <number> failed.
Input over-voltage An over voltage fault detected on power
supply <number>.