NEC N8800-155F User Manual page 63

When the AC power is on (The power cords are plugged into the wall outlet)
(1) Confirm the POWER LED of the CPU/IO module.
If the POWER LED is lit, shut down the OS and unplug the AC power cord
after the POWER LED turns off.
CHECK:
Wait more than five seconds before you plug again the power cord when
you unplugged it.
(2) Execute the operation to be taken when AC power supply is turned off.
When the AC power is off (The power cord is not plugged into the outlet)
Connect the power cords to NEC Express5800/ft series in the following order:
(1) Connect the power cord to the AC inlet A connector.
(2) Connect the power cord to the AC inlet B connector.
(3) Make sure that the CPU/IO module status LED is turned off.
Preparation is now completed.
Windows Setup 4-9