my plugable thunderbolt 3 docking station does not turn on, Why?

no power
I have a Oct 2016 Mac with USB-C ports.
The unit appears to have no power when I plug it it, there are no lights on it?
Might I have a bad power supply. WHat lights should display?

Hello and thanks for posting! We sent a reply on 10/20 to the direct email you sent to support@plugable.com with the next steps. Please respond only to the direct email so we can keep all communication in one place.

Thank you!

Bob
Plugable Technologies
www.plugable.com/support