On 26 Oct 2006 00:35:40 -0700, snipped-for-privacy@columbus.rr.com wrote in :
When helping out my parents move their modem/router that I installed
>from then for Xmas, my mom informed me of the 800 or so cable outlets
>around the house. Needless to say, figuring out what went where was
>difficult, but I finally managed. Turns out, outside the house, off the
>pole, is a 2-way splitter, that has been painted over and is really
>mounted to the house well. One line wraps around the house and one line
>goes into the house. That leg is hooked up to an amplifier, and then
>goes back outside. On the wall, there is a mounted splitter with 5 more
>legs coming out, wrapping around the house to various places. After
>finding the end of the data leg, and pulling it down through the floor
>into the basement, the router/modem was set up and worked well. Both
>the laptops got good signals, but whenever there was any sort of
>network activity, it produced lines of interference on the cable TV
>signal. I checked all the connections again, and everything seemed
>tight and exactly as it was before the big move. This happens on all
>the legs that have gone through that amp.
>Any ideas of what this means, and any tips how to address it? I know my
>folks won't stfu until I fix it.
Sounds like the amp isn't designed for use with cable modems. [cross-posted to comp.dcom.modems.cable]