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  1. How to detect whether there is a signal on TV cable

    Jun 22, 2012 · The question is a bit mis leading.. as he is not trying to test signal strength (like satleite reception or gsm signal) But just want to know how to test a coax cable.

  2. Coax outlet connection | Xfinity Community Forum

    Dec 20, 2024 · The easiest way to test the outlet would be to install your modem in the best room and retest the connection. If you have an Xfinity Gateway, for example, you would simply …

  3. outlets - How can I test network and coax jacks? - Home …

    Jun 14, 2012 · We bought new house and I need to test network (RJ45) and coax jacks to see which ones are working. How can I do that without actually connecting computers/cable boxes?

  4. How to see if a coax cable is able to receive Internet?

    May 22, 2019 · @DanielGriscom It's not about "am I receiving the signal" or "how to get the cable into my house". The cable IS already in the house. The question is, if the cable is the correct …

  5. Alternatives to testing coax cable - Home Improvement Stack …

    Dec 4, 2018 · Television type coaxial cable is considered to have a 75 ohm impedance. There are 75 ohm resistors contained within a threaded housing, called a 75 ohm coax terminator. …

  6. How to Check cable signal strength | Xfinity Community Forum

    Dec 6, 2021 · I have checked everything else, cables, cable box, route ect. I suspect it may be a low signal strength on the coax signal to the TVs. Is there anyway to check out the signal …

  7. Wiring from Xfinity's Outside Box to my Modem

    Mar 9, 2023 · I would like to know what I need to do to get from the outside cable that they are installing in to my modem. My understanding is that the cable they will install to the house is …

  8. ‎uncorrectable/correctable codewords and coax issues | Xfinity ...

    May 22, 2025 · Also, are you running this test over WiFi, or are you using a high quality Cat5e or better Ethernet cable, directly from the device to the modem? Provided you’re using a …

  9. Testing TV aerial connection - Home Improvement Stack Exchange

    Before I put the floor down, I would like to test it to make sure I've connected it well enough. Due to the routing required, I've bough TV co-ax cable, routed it, and then put on standard …

  10. The coaxial outlet I want to plug my modem into doesn't work

    Nov 19, 2023 · I only have one coaxial cable outlet in my house. I don’t know how to tell if it’s active or if it’s my modem. I really don’t want to have to pay for someone to do anything I can …