Before the UPS5000 is powered on, it is necessary to check that the UPS input switch, bypass switch, output switch, maintenance bypass switch, battery open) have all been placed in the "OFF" state.

• A.True
• B.False

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Can a sunroof actuator drive up to several sunroof electromagnetic locks at the same time?

• A.4
• B.2
• C.6
• D.8

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Cold/hot channel enclosure is an energy-saving technology used to solve data center cooling problems.

• A.FALSE
• B.TRUE

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Which is not a routine maintenance item of the ECC800 power module?

• A.Check if the power wiring is loose
• B.Create a micro-module plan view
• C.Check if the power indicator is normal.
• D.Check the ECC800 module fan

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Deploying on demand and avoiding over-investment is the only advantage of a modular data center.

• A.True
• B.False

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