MGE UPS Systems 66102 - Manual (Page 49)

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Network Management Card – User Manual 34003991EN/GA - 49 -
5.2 The different server and UPS shutdown sequences
5.2.1 Extended power outage, shutdown initiated by the Shutdown Timer (Shutdown after)
During battery backup time, the Shutdown Timer of the Network Management Card is reached: After a user-defined backup time period
( Shutdown parameters page), the shutdown of all servers is initiated, followed by the UPS shutdown (depending on its configuration). The
UPS restarts when utility power is restored (depending on its configuration)
Shutdown duration: Maximum value of shutdown times of the Network Shutdown Modules subscribed to the card. This value is updated
each time a client subscribes/ unsubscribes.
Start shutdown main
output Utility failure
Utility
Shutdown after:
NSM 2 on output 1
NSM 1 on main
output
Shutdown duration
main output
Main output
Utility restore
Start shutdown
output 1
Output 1
Shutdown
duration output 1
Shutdown after 1:
5.2.2 Extended power outage, shutdown initiated by the "Low battery power" message
When the "Low battery power" criterion is displayed, the UPS is shut off after taking into account the shutdown duration of the servers.
"Low battery power": The message appears if either of the two following criteria is checked:
- Low Battery Level
- Low Battery Delay