How do I connect the device to my computer?

a) Connection of 1 DAS to PC

Connect the blue cable to the DAS on one end and he LAN port of the PC/ laptop on other end.

b) Multiple DAS connection to PC (WIFI router required) 

Connect each blue cable to the DAS on one end to the wifi router on the other end. Connect the router to the PC/ laptop with a LAN cable.