Hi CCCurtiss, I am having the exact same issue as mentioned above. I currently have DirecTV at my house which is using the only wired coax connection in the house. I think when the folks from Xfinity originally came by my house they saw a previously used ATT line outside and thought it was still active inside. I went ahead and tried adding a splitter to test it out like you suggested to WPBDIYGuy and just as you predicted that did not work. I'm not really sure where to go from here to get the Xfinity internet set up other than having a technician come out to the house.
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