Compaq AlphaServer ES40 Especificaciones descargar pdf (Pagina 27)

System Overview 1-15

One to three power supplies provide power to components in the system chassis.

The system supports redundant power configurations to ensure continued

system operation if a power supply fails.

When more than one power supply is installed, the supplies share the load. The

power supplies select line voltage and frequency automatically (100 V or 120 V

or 200–240 V and 50 Hz or 60 Hz).

Power Supply LEDs

Each power supply has two green LEDs that indicate the state of power to the

system.

➊ POK (Power OK) Indicates that the power supply is functioning. The POK

LED is on when the system is running. When the

system power is on and a POK LED is off, that supply is

not contributing to powering the system.

➋ +5 V Auxiliary

Indicates that AC power is flowing from the wall outlet.

As long as the power supply cord is plugged into the wall

outlet, the +5V Aux LED is always on, even when the

system power is off.

See Chapter 5 for instructions on installing additional power supplies.

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Compaq AlphaServer ES40 Especificaciones Pagina 27