Ethernet over ac power lines
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Ethernet over ac power lines

 
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gene martinez
Guest
Posted: Fri Dec 09, 2005 3:27 am    Post subject: Ethernet over ac power lines Reply with quote
I though I had seen a ethernet over ac power adapter. Two units that
you plug into any outlet and then you plug your ethernet into the
unit. Does anyone know of the units or a link??

Thanks
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Arnold Nipper
Guest
Posted: Fri Dec 09, 2005 4:11 am    Post subject: Re: Ethernet over ac power lines Reply with quote
On 08.12.2005 22:27 gene martinez wrote

Quote:
I though I had seen a ethernet over ac power adapter. Two units that
you plug into any outlet and then you plug your ethernet into the
unit. Does anyone know of the units or a link??


Have a look at http://www.devolo.com/co_EN/index.html



Arnold
--
Arnold Nipper, AN45
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gene martinez
Guest
Posted: Fri Dec 09, 2005 4:45 am    Post subject: Re: Ethernet over ac power lines Reply with quote
Arnold Nipper <arnold-200512@nipper.de> wrote:

Quote:
On 08.12.2005 22:27 gene martinez wrote

I though I had seen a ethernet over ac power adapter. Two units that
you plug into any outlet and then you plug your ethernet into the
unit. Does anyone know of the units or a link??


Have a look at http://www.devolo.com/co_EN/index.html


Thanks I will..
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www.networking-forum.com
Guest
Posted: Fri Dec 09, 2005 7:32 am    Post subject: Re: Ethernet over ac power lines Reply with quote
Check out newegg.com and search for "powerline". You will see their
power-over-Ethernet products and their Ethernet-over-power. I asked for 2
of the Belkin Ethernet-over-power devices for Christmas. I will post a
review on my site soon after I get them. :)

Regards,
Steve
www.networking-forum.com


"gene martinez" <njkat@eclipse.net> wrote in message
news:4398a459.44560711@news.eclipse.net...
Quote:
I though I had seen a ethernet over ac power adapter. Two units that
you plug into any outlet and then you plug your ethernet into the
unit. Does anyone know of the units or a link??

Thanks
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Christoph Gartmann
Guest
Posted: Fri Dec 09, 2005 8:40 am    Post subject: Re: Ethernet over ac power lines Reply with quote
In article <4398a459.44560711@news.eclipse.net>, njkat@eclipse.net (gene martinez) writes:
Quote:
I though I had seen a ethernet over ac power adapter. Two units that
you plug into any outlet and then you plug your ethernet into the
unit. Does anyone know of the units or a link??

Google for "powerline". There are quite a few products around. But be aware of
the following:
- these products will not work if the way between the two boxes passes some
sort of a line filter
- they won't work with a 66% probability if the way between the two boxes
goes through a fuse box

Regards,
Christoph Gartmann

--
Max-Planck-Institut fuer Phone : +49-761-5108-464 Fax: -452
Immunbiologie
Postfach 1169 Internet: gartmann@immunbio dot mpg dot de
D-79011 Freiburg, Germany
http://www.immunbio.mpg.de/home/menue.html
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MC
Guest
Posted: Sun Dec 11, 2005 5:20 pm    Post subject: Re: Ethernet over ac power lines Reply with quote
Christoph Gartmann wrote:
Quote:
In article <4398a459.44560711@news.eclipse.net>, njkat@eclipse.net (gene martinez) writes:

I though I had seen a ethernet over ac power adapter. Two units that
you plug into any outlet and then you plug your ethernet into the
unit. Does anyone know of the units or a link??


Google for "powerline". There are quite a few products around. But be aware of
the following:
- these products will not work if the way between the two boxes passes some
sort of a line filter
- they won't work with a 66% probability if the way between the two boxes
goes through a fuse box

Regards,
Christoph Gartmann

Most homes (and office building) have multiple feeds, homes have two,

that are split from the transformer to give you both 240 and 120 volt
supply. As with many devices that use the AC wiring to transmit signals,
including these, the signal gets dropped between these two feeds since
there is not direct coupling except the transformer in most cases which
acts as a big attenuator (inductive load) to the higher frequencies that
are needed to be passed through the wiring.

I would guess since some power companies are sending date through major
power lines there would be some product out there that could couple the
high frequencies between the two feeds.

If anything some real good in electronics could whip up something pretty
cheap, would just need a high power filter to block the AC power and
pass just the frequencies needed.

MC
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