The System Status Light
For All Edgeports except the Edgeport/1
Red This light signifies a loss of USB communication with the host. If the loss is due to unplugging the unit, when it is reconnected the light will blink red a few moments before turning green. Otherwise, the light indicates a problem with the drivers, which may need to be reinstalled. The red light will also blink during installation until the installation is complete.
Amber This light signifies serial port activity on the Edgeport. The amber light may also flash briefly during installation.
Green This light indicates the serial ports are successfully set up and the Edgeport is operating normally.