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Homeowner Forum / Home Automation / February 2008



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X-10 Technical Specifications

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Jim Thompson - 05 Feb 2008 21:25 GMT
I want to build a data link (~50kb/s) using, as much as possible,
off-the-shelf X-10 components... though I can roll my own as
necessary... I'm an EE.

Where do I find a specification of the technical aspects of X-10...
and the parts available for the handyman ?:-)

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Neil Cherry - 06 Feb 2008 20:53 GMT
> I want to build a data link (~50kb/s) using, as much as possible,
> off-the-shelf X-10 components... though I can roll my own as
> necessary... I'm an EE.

I'll be polite and not start laughing yet. ;-) I'll also assume that
the 50kb/s is a typo and you mean 50 b/s (to see why take a look here:

http://www.linuxha.com/athome/common/x10.technicalnote.pdf

Sorry about that but you'll understand why I think that funny when you
start reading about the X10 protocol.

> Where do I find a specification of the technical aspects of X-10...
> and the parts available for the handyman ?:-)

They're documented all over the web, just do a search for it.

I was looking for a PIC project that didn't use a transformer (not a
project for a first-timer as the PIC using a live neutral for ground).

I think what you were trying to ask for is a way to send ~50kbps of
data over the power lines. There's Insteon and here's a link to the
technical specs:

http://www.insteon.net/pdf/insteonwtpaper.pdf

There are other methods such as Ethernet over Power lines but that's
much more complicated.

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Author of:        Linux Smart Homes For Dummies

Neil Cherry - 06 Feb 2008 20:54 GMT
Oops, my appologies for the first timer comment (and the tone of the
message). I thought you were new at this. Your sig suggests otherwise.

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Author of:        Linux Smart Homes For Dummies

Jim Thompson - 06 Feb 2008 21:00 GMT
>Oops, my appologies for the first timer comment (and the tone of the
>message). I thought you were new at this. Your sig suggests otherwise.

Yep.  I've never before used X-10, but I'm finding out fast that it
looks to be pretty worthless.

Maybe I'll just use an RF link.

                                       ...Jim Thompson
|  James E.Thompson, P.E.                           |    mens     |
|  Analog Innovations, Inc.                         |     et      |
|  Analog/Mixed-Signal ASIC's and Discrete Systems  |    manus    |
|  Phoenix, Arizona            Voice:(480)460-2350  |             |
|  E-mail Address at Website     Fax:(480)460-2142  |  Brass Rat  |
|       http://www.analog-innovations.com           |    1962     |
           
        America: Land of the Free, Because of the Brave
Dave Houston - 07 Feb 2008 00:38 GMT
>Yep.  I've never before used X-10, but I'm finding out fast that it
>looks to be pretty worthless.
>
>Maybe I'll just use an RF link.

If you want to send high-speed data over the powerline look into Yitran's
chipsets. They are doing the HomePlug Command & Control chip but they have
some other chips as well.

    http://www.yitran.com/

http://davehouston.net  http://davehouston.org
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