How to transmits data through the power line alternate?

Hi 

This kits are what I'm using right now.

http://www.ti.com/tool/tmdsplckit-v3

What I'm doing is make multiple kits can connect to the other one kit and transmits data.

I'm thinking that can I divide them into couple one to one connection?

And transmits data to the kit alternate.

e.g.  A&B want connect to C

        and I divide them into A connect C,after a period, B connect C and come back to A connect C

Is this idea work? And how to make it work?

Thanks,

Wayne