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Deal Addict
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Dec 29, 2008
3545 posts
881 upvotes

Coax line going to power

I didn't think much of it at the time, but why does my Rogers Internet coax line go to wall wart?

I have gigabit, it seems a fiber line or similar is being used in conjunction with coax. The coax line is coming from outside and then going into a coax splitter like box, i also see a fiber cable plugged in but can't find the other end. Then from the box I have a coax line to the cable modem and another coax line going into a powered wall wart.

The rogers tech said this coax wall wart needs to be powered on at all times but what does it do? If i unplug it it does kill the internet so it is needed, maybe its boosting the signal or something?

not my picture but exact same wall wart
https://imgur.com/gallery/oZMKDzu
5 replies
Sr. Member
Oct 1, 2009
539 posts
235 upvotes
West coast
I'm not sure how old you are but these are stuff that you learn in electronics if you want to get deeper. Google docsis.
Deal Addict
Jun 24, 2015
4528 posts
1336 upvotes
Woodbridge, ON
WTF is a wall wart? never heard that one before? you mean the AC Adaptor power inserter? basically an AC adaptor with a coax F connector end which uses coax to send voltage to the ONT?
Hi
Deal Addict
Jun 24, 2015
4528 posts
1336 upvotes
Woodbridge, ON
wall wart sounds awful close to wall mart
Hi

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