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Server controls, LEDs, and power

This section describes the controls and light-emitting diodes (LEDs) and how to turn the server on and off.

For the locations of other LEDs on the system board, see System-board LEDs and controls.

  • Front view
    The following illustration shows the controls, LEDs, and connectors on the front of the server.
  • Operator information panel
    The following illustration shows the controls and LEDs on the operator information panel.
  • Light path diagnostics panel
    The following illustration shows the front LEDs on the light path diagnostics panel. The light path diagnostic panel can be seen from the front bezel.
  • Rear view
    The following illustrations show the connectors and LEDs on the rear of the server.
  • Server power features
    When the server is connected to a suitable input source but is not turned on, the operating system does not run, and all core logic except for the service processor (the integrated management module) is shut down.