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- From: bogus@does.not.exist.com ()
- Date: Sat, 27 Oct 2012 17:11:09 -0000
cable modem, one to the 1st floor, and one to the 2nd floor. Before that, the 1st floor line was split at the TV to feed the cable modem. I appreciate the recommendations, especially the one about the admin interface to the cable modem. I logged into it once, but didn't understand what I was looking at. The link to dslreports.com helped! On Thu, Apr 25, 2013 at 8:53 PM, Tom Metro <tmetro+blu at gmail.com> wrote: > Rick Umali wrote: > > When our TV began to exhibit tiling, we called Comcast, and the > > technician determined our signal wasn't strong enough. He put in new > > coax "from the pole" to the side of our house. > > Makes sense, as coax cable does seem to degrade with age. > > When I upgraded to digital TV service several years back, Comcast techs > also replaced the coax from the pole drop due to signal loss. > > > > ...said the signal to our cable modem was weak, and he took the coax > > from the side of the house and directly connected it to the cable > > modem. > > > > ...technician said that the coax in our house walls are of an older > > generation. > > I'm not following whether your in-wall wiring is still in the circuit > going to your cable modem, or if it is only being used for the TV. Was > the hookup to "the side of the house" temporary to prove you had a good > signal, or did he run a new line? > > It seems they have repeatedly proven that they are delivering an > inadequate signal to you. Do their signal measurements still show a weak > signal at the current location of your cable modem? > > > > He recommended that we replace it... > > If it is working adequately for your TV service, I'd probably leave it > as-is and run a separate line for the modem. With the modem you have the > flexibility of relocating it to the basement or other out of the way > location that happens to be close to where the cable enters your house. > (Then distribute by CAT5 or WiFi from there.) > > If there is concern that the old wiring is attenuating the signal, you > can use a distribution amplifier to isolate the branch going to the > in-wall wiring. > > > > ...but it's something an electrician would have to do. > > I believe from a building code and insurance perspective, a homeowner is > free to do any low-voltage wiring they wish, even if it is in-wall. > Whether that's a job you *prefer* an electrician to do, is another matter. > > > > ...Comcast has suggested we replace the cable modem.> > > My big fear is that replacing the cable modem won't fix anything. > > Given the signal problems uncovered so far, a modem replacement doesn't > sound promising. I'd probably take another stab at improving the wiring > first. Then try the rental modem approach that someone suggested. You > might also be able to pick up a modem for close to free n Craigslist > from someone who has switched to FIOS. > > I would also suggest looking into the administration interface on your > cable modem to see if it has signal strength and quality reporting. (You > may need to dig around on forums like http://www.dslreports.com/ to find > out how to access this.) That could help you pin down whether the loss > of net connectivity is in fact due to poor signal, as you are assuming. > > -Tom > > -- > Tom Metro > Venture Logic, Newton, MA, USA > "Enterprise solutions through open source." > Professional Profile: http://tmetro.venturelogic.com/ > -- Rick Umali / www.rickumali.com
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