The blue LED indicates that the Plugable UD-3900 is being powered by its power adapter. The green LED lights up and stays steady when a device is connected to any of the six USB ports within the dock. If no devices are connected to the USB ports within the Plugable UD-3900, the green LED only lights up for around five seconds when the dock itself is connected to the upstream host system.
What Do the Blue LED Light and the Green LED Light on the Front of Plugable UD-3900 Indicate?
Last Update: October 27th, 2020Article ID: 698604