User`s guide

Upgrading Your Server 9-21
5. Connect two power cords.
Use the power cord provided with the standard power supply unit and the one provided with the system. The AC
POWER LEDs flash when the power cords are connected.
Power supply unit
(Standard)
Power cord
Power supply unit
(Option)
Power cord
6. Power on the server.
The AC POWER LEDs go on.
A
C POWER LED
Option
Standard
7. Confirm, by the STATUS LED or on the POST screen, that there are no errors related to the power supply units.
See Chapter 8 for details on the error messages.
If the AC POWER LEDs are off, reinstall the power supply units. If the same error message still appears, contact
your sales representative.