The one that was standard power just looked like what you used to run a notebook off the wall, he thought, although the end that went into the thermos looked a little more complicated than usual. The other one though, the jacks on either end looked serious. He found the socket that one end of this obviously went into, but what was the other end supposed to fit? If the sumo kid was telling the truth, this was a custom cable, required to jack this thing into something that it might not usually be required to jack to. This one was optical, it looked like.