Fast blink – The identify function has been invoked.

Off – The identify function has not been invoked.

Off – No faults exist in the system.

Slow blink – The LED blinks at a slow and steady pace during normal ongoing processes (for example, startup and shutdown).

Standby blink – The LED iteratively flashes once quickly, and then turns off for three seconds when the system is in standby mode from which it can quickly be made operational.

Off – The system is not operational.

Green On – A link has been established to a specific SAS connection.

Green blink – The LED flashes at a steady pace when normal activity is taking place between the array and the host(s).

Off – No link has been established to a specific SAS connection.