What does the LED indicator represent on the TU3-H4E?
The LED indicator represents power being applied to the TU3-H4E.
 
Does the TU3-H4E have an external power supply?
The TU3-H4E is BUS powered by the USB port it is connected to and does not support an external power source....
 
What is the total BUS power for the TU3-H4E?
The TU3-H4E is BUS powered and shares the following total watts across all ports. If connected to a USB 3.0 host connection: 4.5 Watts total (max.) If connected to a USB 2.0 host connection: 2.5 Watts total (max.) ...
 
Is the TU3-H4E backwards compatible with USB 2.0 and USB 1.1?
The TU3-H4E is backwards compatible with USB 2.0 and USB 1.1.