4. 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.
Attention: Do not install 460-watt and 675-watt power supplies,
high-efficiency and non-high-efficiency power supplies, or ac and dc power
supplies in the server.
5. Route the power cord through the handle so that it does not accidentally
become unplugged.
6. Connect the power cord for the new power supply to the power-cord
connector on the power supply.
7. Connect the other end of the power cord to a properly grounded electrical
outlet.
8. Make sure that the ac power LED and the dc power LED on the ac power
supply are lit, indicating that the power supply is operating correctly. The two
green LEDs are to the right of the power-cord connector.
9. If you are replacing a power supply with one of a different wattage, apply the
power information label provided with the new power supply over the
existing power information label on the server.
10. (IBM Business Partners only) Restart the server. Confirm that it starts correctly
and recognizes the newly installed devices, and make sure that no error LEDs
are lit.
Figure 54. Power supply installation
x.x/x.x
xx/xx HZ
Figure 55. Power information label
84 IBM System x3550 M3 Type 4254 and 7944: Installation and User's Guide
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