Interpreting LED messages

There are two sets of LEDs that provide you with basic information about how your system is running. These sets are described in the following table.

LED location	Basic information given
External LEDs LEDs visible on the front of the appliance with the bezel in place LEDs visible on the back of the appliance	Gives high-level device status at a glance, along with network activity.
Internal LEDs, behind the bezel	Gives status about individual components, such as power supplies and disk drives. These components are hidden by the bezel.

LED location

Basic information given

External LEDs

Gives high-level device status at a glance, along with network activity.

Internal LEDs, behind the bezel

Gives status about individual components, such as power supplies and disk drives. These components are hidden by the bezel.

For detailed information about the LEDs, see the following sections: