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Legrand PDU User Guide 477
"To De-assert" and Deassertion Hysteresis
After the Legrand PDU asserts a worse state for a sensor, it may de-assert that state later on if the readings
improve.
To de-assert a state:
To de-assert a state is to announce the end of the previously-asserted worse state.
Below are good state changes that cause the Legrand PDU to de-assert the previous state.
1. above upper critical --> above upper warning
2. above upper warning --> normal
3. below lower warning --> normal
4. below lower critical --> below lower warning
Deassertion Hysteresis:
