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Forum Discussion
Scififan
Oct 12, 2020Follower
CM1200 cable modem having t3 range time outs
I have my internet service through comcast/xfinity. I bought a CM1200 cable modem about 4 months ago and it worked fine for the first 2 months I had it. Now I am having intermittent dropouts and th...
plemans
Oct 13, 2020Guru - Experienced User
Different modems might be sensitive to different interference in the line.
do you have a screen snip of the modem cable connections page and its logs? This helps us to check the line.
any splitters, amplifiers, or attenuators in line? I'd also connect the cm1200 right where the coax enters the home. this prevents wiring within the home from being the issue.