Dwayne Reid wrote:
> At 07:01 PM 10/6/2009, David Duffy (AVD) wrote:
>   
>> As you say, DMX is still 250K even if you're sending less than a whole
>> universe. How does the number of channels change the bandwidth
>> requirement of the isolation components?
>>     
>
> Have a processor that listens to the appropriate channels, then sends 
> the data from those channels over the isolation barrier.  That can be 
> at a much lower data rate.
>
> In other words, add some smarts to the input side of the isolation barrier.
>   

Ah, ok that makes more sense. I'm not sure I'd go that route myself, as
then the DMX address setting / detection would need to be on the 'hot'
side of the barrier. Sounds more complicated than it needs to be.
David...

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David Duffy        Audio Visual Devices P/L
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