So we know what I'm talking about...
Not exactly the "techie" type...especially on minutiae.
Why is this powered?
This thing has no instructions(Belkin.com is no help either).
Is it so it can be a charger if not connected USB?
By the way, bought it for an iMac(new retina display) but the iPad is connected directly to the iMac. This is for all the other peripheral stuff(had a cheapo 5-port).
Can it be used w/o the power brick?
None of the Amazon Q/A answer the basic question. Bought it at BB anyway...cause I needed/wanted it today.