PX2 3.4.0 Technical Support Advisory

Important Information for Customers with PX2 Models


  • PDU GA firmware release 3.4 has a condition that allows the inlet meter to occasionally reports a zero voltage for one sample incorrectly.
  • Due to this different PX2 models have the following symptoms.

Symptoms & Scope:

  • PX2-1xxx/3xxx models will generate false sensor availability alarms (for example 'trip' on overcurrent protector 'C1' unavailable).
  • PX2-2xxx models will cause all outlets to switch affecting power status
  • PX2-4xxx/5xxx and any PX3 models are NOT affected by this issue.


  • Upgrade affected PDUs to latest GA release 3.5.0


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