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Tuesday, May 26th, 2026

High Pwr (dBmV) levels on modem?

I recently took a look at my pwr (dBmV) levels and noticed the appear to be quite high. Is this a normal range?User uploaded image 

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1 month ago

@war2k5 Thanks for your post! Welcome to the Cox Community Forums. We're happy to have you, and hope you will enjoy your time here.  I can see that it's a little high on a couple of the downstream channels. Let's see what we can do to sort out what's going on. Are you experiencing trouble? We can provide basic troubleshooting here such as checking connections to ensure everything is finger tight and undamamged, unplugging the modem's power cord for a minute or two to reboot it, a speed test at www.speedtest.net and https://www.cox.com/residential/support/internet/speedtest.html.   So that we can troubleshoot this more in depth, please email cox.help@cox.com with your full  name, complete street address, a description of the service trouble if any, and a reference to your forums post. 


-Colleen

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