Each I/O module in an expansion enclosure has multiple color-coded LEDs that indicate the status of the module and the status of the ports on the module. These LEDs are located along the right side of the front of the module, as shown in the figure below.
The table below describes these LEDs.
| LED | Color | State | Description |
|---|---|---|---|
| SAS port x fault | Amber | Solid | The SAS port has a fault condition. |
| Blinking | Beaconing is on for the SAS port. | ||
| Off | The SAS port operating normally, and beaconing is off for the port. | ||
| SAS port x activity | Green | Solid | The SAS port has an active connection. |
| Blinking | Activity is occurring on the SAS port. | ||
| Off | The SAS port does not have an active connection. | ||
| I/O module fault | Amber | Solid | The I/O module has a fault condition. |
| Blinking | Beaconing is on for the I/O module. | ||
| Off | The I/O module is operating normally, and beaconing is off for the module. | ||
| I/O module power | Green | Solid | The I/O module is powered on. |
| Blinking | N/A | ||
| Off | The I/O module is powered off. |