I tried to get a CAT5 run from the phone line filter to my DSL modem. The best I could get is a few seconds of the modem trying to get a DSL connection before it gave up. As soon as I tried a standard ...
Not sure exactly. I don't think it would matter. I'm mostly here to say that if you decide to go cat5 you'll be fine. I had a 100 foot run on cat5 from a switch to a computer with no appreciable loss.