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Forum Discussion
CM500 no connection
I bought a CM500-100NAS from a neighbor to have as a spare, and it only locks into one downstream channel at very low power, -26 dBmV, and no lock on any upstream channel. I have two other modem...
I ran a homerun RG6 from the outside interface to my modem last year when we kept getting the daily drops. It did not help. There is nothing between the interface and the modem except new RG6.
I saw an Xfinity truck in the neighborhood earlier this year, and I chased him down to ask him about the service issues. He was well aware of problems in the neighborhood and was there to troubleshoot. Things are better since then but we still have several short drops everyday. Calling support is of little use because they require you to reboot the modem before they will help, and typically by then the drop has ended.
Try it back at the neighbors house you got it from. See if the signal is bad there as well.