NEC Express5800/120Rg-1 User Manual page 250

9-20 Upgrading Your Server
6.
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 1
(Option)
7.
Power on the server.
The AC POWER LEDs go on.
8.
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.
Power supply unit 2
Power cord
AC POWER LED
(Standard)
Power cord
AC POWER LED