Re: [misterhouse-users] Ademco Vista Alarm Systems 4-Wire Protocol...

[Andy O. <and...@ya...>]

New VISTA BP panels have a easy solution to the
problem !!! They now have a 2-way serial interface
with a published protocol. Although the capabilities
are still somewhat limited, you can get fault status
on the first 69 zones. And you can arm and disarm a 1
partition system. Hopefully the future will bring the
ability to see all the zones, plus control multiple
partitions. However I have learned not to hold my
breath as far as Ademco is concerned.

Andy Oie

--- "Story, Lenny" <Lenny.Story@Alcatel.com> wrote:
> Greetings,
> 
> I have seen this mentioned once before....but...the
> person is not responding
> to my emails...so...
> 
> Has anyone figured out the 4 wire sensor protocol
> for these systems ?  
> 
> Someone previously had reverse engineered the
> physical interface, but did
> not have the data decoded. If you are still around,
> i would love to help in
> this effort. I worked for an alarm company
> developing external protocol
> interfaces, and i think i can be of some use to
> this.
> 
> I have an ademco system in my house, and tons of
> window sensors, i would
> like to make a board which can interface with it.
> 
> Thanks,
> /Lenny
> 
> 
> 
>
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