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Forum Discussion
CAX80 poor cable connection status
After getting my cable modem activated with Xfinity, I am getting a very poor signal. I use my own router downstream, in front of the CAX80, and this router gets no signal from the cable modem. ...
I spoke to a Xfinity agent on a chat & it was a terrible experience.
I provided them with the cable data statistics, but they apparently ignored it.
They declared it a cable modem issue - said the the signal looked fine from their end and so it was not their problem.
The tech who started the service a year ago was much better - he checked the signal at the service box and my modem. Since i activated my new cax80, the signal looks terrible.
Both modems were CAX80 - how can the signal reception be so different?
Unless you get some help from Xfinity, sounds like you are on your own. The ideal power level runs between 0 and +1 dBmV. They make a Coax cable attenuator. Normally they come in 3, 6, and 10 db sizes. Here is a link to Amazon: https://a.co/d/1dDlyDd.
You really need to push on a different Xfinity button than chat. There are usually some more technically oriented responders over on the Reddit sub-forum for Comcast_Xfinity.
Here is a link: https://www.reddit.com/r/Comcast_Xfinity/wiki/knowledgebase/next-generation-internet/
Is there any chance you have an amplifier in your coax line?
Good luck!
Your CAX80 is a combination modem/router. It can be configured for modem only mode for use with a separate router downstream. When the CAX80 is in modem only mode, there is a good chance the only output port that is active is port 1.
On the new CAX80, I have not disabled the router. I have been testing it for good signal with my laptop.
multiZ wrote:On the new CAX80, I have not disabled the router. I have been testing it for good signal with my laptop.
When you say testing for good signal with my laptop, do you mean with a Wi-Fi connection to the laptop or via an Ethernet cable to the laptop?
When you do throughput testing on your laptop computer, recommend you use the Ookla stand alone application available in the play store. Please report actual numbers in Mbps, not just an assessment of good or bad.
Saw your post over on Reddit. Keep us appraised of your progress as we cannot see the Modmail communications. Be sure and do not post any personal information here like addresses, names, or account numbers.
Thank you. I will contact them.