Removing A Hot-Swap Hard Disk Drive Backplane - Lenovo x3550 M5 Installation And Service Manual

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Figure 122. Power supply installation

Grasp the handle on the rear of the power supply and slide the power supply forward into the

power-supply bay until it clicks. Make sure that the power supply connects firmly into the

power-supply connector.

Route the power cord through the handle and cable tie if any, so that it does not accidentally

become unplugged.

Connect the other ends of the dc power cable to the dc power source. Cut the wires to the correct

length, but do not cut them shorter than 150 mm (6 inch). If the power source requires ring

terminals, you must use a crimping tool to install the ring terminals to the power cord wires. The

ring terminals must be UL approved and must accommodate the wires that are described above.

The minimum nominal thread diameter of a pillar or stud type of terminal must be 4 mm; for a screw

type of terminal the diameter must be 5.0 mm.

Turn on the circuit breaker for the dc power source to which the new power supply is connected.

Step 10. Make sure that the green power LEDs on the power supply are lit, indicating that the power supply

is operating correctly.

Step 11. If you are replacing a power supply to the server, attach the redundant power information label that

comes with this option on the server cover near the power supplies.

Figure 123. Redundant power information label

Removing a hot-swap hard disk drive backplane

Use this information to remove a hot-swap hard disk drive backplane.

To remove the hot-swap hard disk drive backplane, complete the following steps:

Removing and replacing components

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