here's an interesting problem... I have only one cable line coming into my room, which is currently being used for cable internet. I want to also get a tv signal with a tuner card I hope to purchase. (check the buyers guide section). how can I split the signal so that I can get both? (kinda important that I be able to use them at the same time) this booklet that came with my modem, (motorola surfboard) said that I can use a conventional cable converter, (the one you might see splitting the line where it comes into your house), and that there was one in the box, but there wasn't any in the box and the documentation for it is vague. id scan it if i had a scanner. anyways thx!