Solved Is there an adapter for coax to RJ45?

December 12, 2019 at 14:42:37
Specs: Ubuntu Linux (x86_64)
I have cable modem/router, the internet connection to ISP is coax, internal (home) connections are RJ45s. I am ditching the ISP.

Since I own the modem/router, and the new ISP is not cable, I wonder how to use this modem/router.

Since the "uplink" is a coax adapter, I am wondering if there is an adapter I can buy that will "convert" coax connector to Ethernet/RJ45, so the "uplink" can be Ethernet.


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December 12, 2019 at 16:24:14
The adapters below are made for a different purpose but I think it's what you'd need. It doesn't appear to be cost effective.

"Since there is no way to make a direct-wired coax to Ethernet cable, a converter and baluns are required to internally maintain the right impedance..."


message edited by riider

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December 12, 2019 at 17:57:55
✔ Best Answer
I don't think you can use the "uplink" (coax) as a LAN/WAN port. The modem part will convert the (coax) DOCSIS xx signal to usable IP data.
Unless there is specific setting in the router to use it as a WAN/LAN port.

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