INTELLIGENT PDU USER MANUAL
• Lower Warning (A)
• Upper Warning (A)
• Upper Critical (A)
• Reset Threshold (A)
• Alarm State Change Delay (A)
The Reset threshold is the number of amperage the reading needs to fall
below the threshold setting for the condition to be cleared.
For example, the current critical threshold for the input phase is set to 19
amps (A). The current draw rises to 20A, triggering a Current Critical alert.
The current then continues to fluctuate between 18.1W and 20W. With the
reset threshold set to 1A, the PDU continues to indicate that the current on
the input phase is above critical. Without a reset threshold (that is, the reset
threshold is set to zero), the PDU would de-assert the condition each time the
current dropped to 18.9A and re-assert the condition each time the current
reached 19A or higher. With the fluctuating current, this could result in
repeating event notifications, such as SNMP traps, SMTP alerts or Syslog
notifications.
• Alarm State Change Delay (samples)
If enabled, the PDU asserts any warning or critical condition only after a
specified number of consecutive samples that cross a threshold are
generated. This prevents several threshold alerts from being generated if the
measurements return to normal immediately after rising above an upper
threshold or dropping below a lower threshold.
4. Repeat steps 1 - 3 for all phases.
Phase Voltage Alarm Threshold
The PANDUIT PDU will send alert notifications when a phase voltage crosses above or
below the settings you specify in the Phase Voltage Alarm configuration:
1. Go to the Thresholds > Phase Page.
2. Click the pencil for the Phase Voltage to update.
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