6
LED Indicators
DU-H3ETX is equipped with 6 LED indicators:
Self-Power LED Indicator:
The LED is green when the DU-H3ETX is
receiving power from an external power source.
The LED is dark when the DU-H3ETX receives
power from the USB bus.
Bus-Power LED Indicator:
The LED is green when the DU-H3ETX is
receiving power from the USB bus. The LED is
dark when the DU-H3ETX is receiving power
from an external power source
Port Status LED:
Each port has one status LED. The LED is lit
when the downstream port is working. The LED
is dark when the downstream port is not working.
