Front panel board

The front panel board supports the LEDs and buttons accessible from the front panel. The buttons and LEDs on the front panel board are shown and described below.

Power LED

Disk activity LED

System fault LED

PS 1 status LED

PS 2 status LED

System reset button

NMI button

Chassis intrusion detection switch

Front panel connector

Power supply alarm speaker reset/System fault LED reset switch

Power button

Power LED glows green whenever the system is turned on. The LED also flashes when the system is in sleep mode.

Disk activity LED glows green whenever a hard drive is actively reading or writing data.

System fault LED (yellow) indicates ECC memory system fault (steady indicates an uncorrectable ECC fault and blinking indicates a correctable ECC fault).

PS 1 status LED glows green when the first power supply module in the redundant power supply is installed and working correctly. It flashes green if the power supply module fails or one of its power levels goes out of bounds. If the power supply module is not installed, this LED is off.

12System Features