Diagnosing switch indicators

The following table lists the troubleshooting steps you can perform based on device LED status.

Symptom	Action
Power LED is Off	Check if internal power supply is disconnected. Check connections between the device, the power cord, and the wall outlet. Contact Technical Support.
Power LED is Amber	Internal power supply has failed. Contact Technical Support.
Diag LED is Amber	The device self test has detected a fault. Power cycle the device to try and clear the condition. If the condition persists, contact Technical Support.
Link LED is Off	Verify that the device and attached device are powered on. Be sure the cable is plugged into both the device and the corresponding device. Verify that the proper cable type is used and its length does not exceed specified limits. Check the adapter on the attached device and cable connections for possible defects. Replace the defective adapter or cable if necessary.