HP sa2250 Guía de inicio rápido descargar pdf (Pagina 12)

Chapter 1 Controls, Ports and Indicators

Connecting AC Power to Multiple-Server Configurations

The HP Cache Server Appliance temporarily draws a large "inrush current" when

first connected to an AC power source. This also occurs when the appliance is in a

standby mode (power is turned off, but the power cord is plugged into AC power).

The inrush current is much greater than the appliance's normal operating current.

The AC power source can handle the inrush current under normal circumstances.

However, the following factors must be considered when installing several HP

Cache Server Appliances on one circuit:

• If there is a power failure and power is then restored, all the servers

immediately begin to draw inrush current at the same time.

• If the circuit breakers on the incoming power line have insufficient

capability, the breaker may trip and thus prevent the servers from powering

up.

When preparing your site for installation, allow for the additional inrush current.

Refer to Table A-1, "System Power Specifications," in Appendix A.

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HP sa2250 Guía de inicio rápido Pagina 12