Connecting to Power and Replacing Power Supply

This section lists the various warnings, cautions and notes regarding connecting to the power supply and replacing power supply units.

To view a video on replacing the Power Supply, click here.

To reduce the risk of electric shock or energy hazards:

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This equipment must be installed by trained service personnel, as defined by the NEC and IEC 60950-1, Second Edition, the standard for Safety of Information Technology Equipment.

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Connect the equipment to a reliably grounded Secondary circuit source. A Secondary circuit has no direct connection to a Primary circuit and derives its power from a transformer, converter, or equivalent isolation device.

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Both Power Supply modules (1 and 2) must be connected. Ensure that you connect each one to a different AC power supply source. Two Power Supplies provide 1+1 power load-sharing and redundancy. The AC power sockets are located on the device's rear panel.

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The two AC power sources must have the same ground potential.

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The device must be connected (by service personnel) to a socket-outlet with a protective earthing connection.

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Use only a certified 3-conductor power cord, supplied with the unit.

To reduce the risk of personal injury from hot surfaces, allow the power supply or power supply blank to cool before touching it.

The device must be connected (by service personnel) to a socket-outlet with a protective earthing connection

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Before extracting the Power Supply module, disconnect the power cord from the module.

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Before extracting the Power Supply module (after you have disconnected the power cord), wait at least three seconds for the capacitors to discharge.

When connecting both Power Supply modules, the two AC power sources must have the same ground potential.