cable signal strength

8 years ago

i have xfinity cable. older legacy box kept freezing on hbo. got new x1 box. constant reprogramming issue. got replacement legacy box which ended up being defective. grrr. customer service finally checked line strength remotely and it was not green. hmm, after all this and none mentioned line strength? on 20+ yr old buried wiring too house? got new feed cable this week. and new run inside house from service panel to tv. now, go back to store and get an x1 box

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Comments (6)

Elmer J Fudd
8 years ago
Seems like the signal strength testing, whether remotely or onsite, should have been the first step.

I started to experience a noticeable slowdown with xfinity internet a few years ago. I called and they sent out a tech who started at the wall connection and worked his way back up the signal path looking for a problem. He found a bad "box" in their neighborhood distribution system about 300 yards away from my house that needed to be replaced and hadn't yet started sending out SOS messages to the network control center. The guy thanked me because they were happy to be proactive with the equipment replacement.
Steve J
8 years ago
No kidding, one of the first things they look at is signal strength when you call in. Not sure why that didn't come up initially. That's definitely an issue with the x1 boxes, they need a pretty good signal or they will and do have issues.

Did comcast replace the cabling for you, or did you have to contract that out?
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stoveguyy
Original Author
8 years ago
last modified: 8 years ago

tech said 2 lead co-ax is ancient and ran new cable to house. signal is 15db at street? should be 20. we ran new single inside run to living room as basement ceiling is open in that area.
toxcrusadr
8 years ago
last modified: 8 years ago
The field guys are the ones who know this stuff the best. Our Mediacom cable kept dropping us off the Internet so we asked for a guy to come out. He said our signal was fine, but our set top box [Edit: cable modem] was SO old it was not even capable of delivering the speed that we were paying for, and that Mediacom should have replaced it months ago. And that they sometimes would just send new ones to customers with no explanation, while others like us went merrily on with obsolete gear. He replaced it and it's great now. Sheesh. Frickin' cable companies.
stoveguyy
Original Author
8 years ago
We don't use phone. Don't stream video. So, we are going to try centurylink dsl and directv for awhile. Got modem installed yesterday and am at 4mbs. Am using it now. At least we have new cable. Ha. Dish will be installed next week. $100/mo is better than $200. Maybe in 2 yrs we will go back to comcast
mtvhike
5 years ago
How is this stuff measured? My cable run is buried all the way from the pole, about 300 feet away, to my basement. There it goes to a passive splitter and one branch goes to the cable modem and the other branch to my home theater room, about 50 "cable feet" away, There, it's split again, with one branch going directly to the TV and the other to the cable box. Everything is working fine, but each of these splitters reduce the signal strength. I'm thinking of adding another splitter to run a cable to another room, but am concerned about loss of signal strength and I don't want to run the new cable if this won't work.