Lenovo System x3850 X6 Installation And Service Manual page 120

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Attach the dc power cable to the new power supply. Make sure that the power cable wires are

connected securely to the -48 V, ground, and to the -48 V return terminals (as shown in the

following illustration). Make sure that:

1. You use 4 mm2 (10 AWG) at 60° C copper wire.

2. Cut the power cable wires to the correct length, but do not cut the wires shorter than 150 mm

3. Torque the wiring-terminal screws to 0.50 ~ 0.60 newton-meters (4.43 ~ 5.31 inch-pounds).

Insert the power-supply spacer into the left side of the power-supply bay (against the bay wall) and

slide it in until it snaps into place on the tabs on the side of the power supply bay.

power supply

Power supply

Grasp the handle on the rear of the power supply and slide the power supply into the bay (next to

the spacer) until it clicks into place and is seated firmly into the connector.

Connect the other ends of the dc power cable to the dc power source.

Note: When you install additional power supplies, place the following power rating label that

comes with the power supply option on the rear of the server.

Step 10. Turn on the circuit breaker(s) for the dc power supplies.

Step 11. Route the power cable through the cable hook-and-loop on the rear of the server so that it does not

accidentally become unplugged.

System x3850 X6 and x3950 X6 Installation and Service Guide

Power input LED

Power output LED

Power error LED

Troubleshooting

System x3950 x6 6241