Just switched from TWC and the first 24 hours have been a nightmare. No connectivity issues with TWC, it's been down on 7 occasions since Spectrum's modem has been connected. Help!
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Looks like a DIY install. Definitely not TWC/Spectrum!
LEVELS ARE NO GOOD!
Probably open splitter ports or old chewed up outdoor cable.
Modem must be on no splitters if you're interney only. the first 2 way splitter if you have a cable box. I'll bet the old modem was an obsolete single channel one that would only do 15 meg speed and could handle bad levels which the new ones can't. DS levels must be between -8 and + 8 dBmv and the US should have 4 channels all below +50 dBmv. s/n sb @ 35d B or higher.
Coaxial issue, not phone fixable, get a tech out.
Thanks MsRaye. I got to looking around today and the previous owner had a rats nest of coax. He apparently tried to run coax to every room in the house using two 4-way splitters off of the main cable line. What a mess! Easy fix though as I used a female-female RG6 extender on the main line directly to the modem. All of the levels you mentioned in your post are now in parameters. Thanks so much! You helped me save on internet and you helped Spectrum keep a new customer!