NEC Express5800/S120R-2 Guía de usuario descargar pdf (Pagina 69)

Chapter 6: Advanced Chassis Setup

6-9

6025B-3R

The Series3800/120R-2 (6025B-3R) has a 700 watt redundant power supply con-

sisting of two power modules. Each power supply module has an auto-switching

capability, which enables it to automatically sense and operate at a 100V - 240V

input voltage.

Power Supply Failure

If either of the two power supply modules fail, the other module will take the full

load and allow the system to continue operation without interruption. The PWR

Fail LED will illuminate and remain on until the failed unit has been replaced. The

power supply units have a hot-swap capability, meaning you can replace the failed

unit without powering down the system.

Removing/Replacing the Power Supply

You do not need to shut down the system to replace a power supply unit. The

backup power supply module will keep the system up and running while you replace

the failed hot-swap unit. Replace with the same model.

1. Removing the power supply

First unplug the power cord from the failed power supply module. Then depress

the locking tab on the power supply module and use the handle to pull it straight

out with the rounded handle.

2. Installing a new power supply

Replace the failed hot-swap unit with another identical power supply unit (p/n

PWS-702A-1R). Simply push the new power supply unit into the power bay until

you hear a click. Secure the locking tab on the unit and ﬁ nish by plugging the AC

power cord back into the unit.

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NEC Express5800/S120R-2 Guía de usuario Pagina 69