But if any uncorrectable numbers are increasing during the day, you have a problem that PingPlotter and speed tests won't fix. Every now and then you might get a burst of a few thousand uncorrectables overnight when Cox does maintenance. Most times you will need a Cox tech to fix this. That needs to be resolved before you run PingPlotter or speed tests. If you see uncorrected codewords continuously increasing, there is a problem in the RF network. The most important indicator on the downstream signal page is uncorrected codewords. Upstream power being too high is definitely a thing and indicates problems in the RF network. There's basically no such thing as upstream power being too low (unless it's zero) so ignore that. The only bad information I've seen out there are some Arris pages that make people think their upstream power level is too low. If you post cut/paste signals and modem logs people on the forum will often help you understand them. There is information available on many sites about modem signals and most of it is accurate. Trying to troubleshoot an issue without checking the RF network is like building a house without a foundation. The RF network is the foundation of everything. You need to find out how to do this for your individual modem. Most modems will let you check signal levels and event logs by going to the IP address 192.168.100.1 in a browser. Sometimes RF network problems are caused by your equipment or your wiring, but more often these problems are in the Cox network and are outside of your ability to control. Problems in the RF network are very common, and if you don't fix those, results from PingPlotter or speed tests aren't valid. The RF network is the network that runs on the coaxial cable that comes out of the back of your modem. When you're experiencing problems with Cox internet service, you need to check and confirm the reliability of the RF network before you do anything else. How's that for a clickbait headline? But this is really about that headline.
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