Need some help here. I've got cable TV (Cablevision)coming into my house on the second floor master bedroom. There's a splitter in the upstairs, and a cable running through the walls to the downstairs which is hooked up to the HT. We've been looking into getting Optimum Online's high speed internet access, but the computer is downstairs. My question: Can I split the signal before the TV downstairs and then run one cable to the TV and the other to the cable modem? I thought yes at first, but then someone I know who isn't technical at all insists that I bascially can't split the signal at two different points. Any thoughts? And I did ask Cablevision...their only response was that they recommend the splitter be as close the incoming cable connection as possible.