Newsgroups: comp.dcom.cabling
Subject: Re: Cat 5 & Coaxial
References: <[email protected]>
"vm"  writes:

> I want to use the existing coaxial connections in my house that is for
> cable tv for my ethernet LAN.
> 
> Basically I would like to use a connection from my fast ethernet
> switch, cat 5, somehow connect it to the coaxial cable that was built
> into my house for tv. Then at the other end of the tv cable in a
> specific room convert back to cat 5 ethernet into another fast ethernet
> switch.
> 
> I tried wireless, but there is too much signal loss. The coaxial cable
> is not being used from my server room to the upstairs room I want to
> connect.
> 
> I searched BlackBox for converters, but am not sure what I was looking
> for is even possible.
> 
> Any ideas what product might work for this and where to get it?


The TV coaxial cable that was built to into the house is most 
propably 75 ohm coaxial cable. 
I don't know any produxt that runs fast Ehternet (100 Mbit/s) 
over it, but there are several wayus how 10 Mbit/s Ethernet 
could run over it. 

One idea would be try to find some really old thin Ethernet 
product that can be configured to both standard 50 ohm 
wiring and also for 75 ohm wiring. Those products 
have existed, but I haven't seen them available for many 
years. 

There are some companies that adapt 10Base-T Ethernet to 
75 ohm coaxial cable. Take a look at those links:
http://www.etslan.com/ethernet.php
http://www.teleste.fi/index.phtml?page_id=1114&navi_id=1114&

-- 
Tomi Engdahl (http://www.iki.fi/then/)
Take a look at my electronics web links and documents at 
http://www.epanorama.net/