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user_495f71
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Sunday, April 26th, 2026 2:50 AM

Tv set up

I don't know where to plug the coax cable for my tv into. I already had internet and when that was first installed the installer had to drill a hole into the floor and feed a cable up to the connect the internet modem to because there is no wall outlet in the 1960 built house. I am assuming  that wire is a coax cable port. But where do I plug the coax cable into if the internet is already plugged in.

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EG

Expert

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117.7K Messages

20 hours ago

The incoming coax cable from the street gets connected to a two-way cable splitter's input port, such as this one.

Then two coax cable jumpers get connected from the splitter's output ports like these. Choose whatever lengths you need. One goes to the TV box, the other goes to the data modem.

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XfinityVianney

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2.6K Messages

13 hours ago

 

user_495f71, Thank you for reaching out. I understand you have questions about how to connect your television to the current line that was installed. It sounds like the current coaxial cable is connected to the modem, taking up the only active line. If you have a single coaxial cable and need to connect two devices, like a modem and television, you would need a splitter, which you can read about here: https://www.xfinity.com/support/articles/identify-use-cable-splitter. 

A splitter is a small rectangular box that allows you to split the cable for two devices. If you wanted the equipment in separate rooms, we would then need to help install an additional outlet. The charge for a new outlet installation is $100.00 at this time. 

 

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EG

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117.7K Messages

5 hours ago

@XfinityVianney 

Sounds mighty familiar there guy.......................

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