I have 2U unit (DPE) with 2 controllers.
When i try to power up the unit, the warning amber light is on and the unit is not powering on.
Since i don't have a SPS unit, Doe's the 1U SPS (Spare Power Supply) is mandatory to work with the AX4?
Go to Solution.
You do need the SPS in order to power up your AX4-5. Also since you have 2 controllers you need to have both power supplies in the system.
Please let us know if you have any other questions.
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