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Forum Discussion
CM1200 disconnects multiple times daily
We purchased a CM1200 modem in early 2021 to pair with our new Cox Gigablast service, and it worked admirably for the first year and change--no real issues of note. At some point in the last few mont...
Your logs are indicating a line issue.
While your power levels are technically in spec, they're also indicating a line issue as the power should be fairly consistent with each channel. Yours isn't.
Start with removing any amplifiers, signal attenuators, or splitters from the coax.
From there check the line for kinks, damage, moisture in the line.
Check the connectors for improperly made ends, foil touching the copper coax line, loose connections, bad/old/cheap connectors, or corroded connections. Replace them if you do.
If you can, simply connect the modem right where the coax comes into the home. This prevents wiring in the home from being the issue. And some ISP’s charge if the wiring issue is in the home. So this helps prevent this.
If none of that helps, then cox does need to check it again.