Re: DMX Branch Lines

> 
> RS485 is unlikely to go 4000' for Baud rates higher than 19200. DMX is
> 250kBaud and both ends of a DMX line should be terminated. This
> prevents reflections from the unterminated end interfering with the
> outgoing data. It is not generally recognised that the source end
> should be terminated, but this is im****tant and should be internal to
> the master device. Measuring with a meter across the signal pins of the
> source when the source is unpowered will tell you if it is correctly
> terminated.
> 
> For all the information you never thought you'ld need about RS485
> networks go here:
> 
> http://www.bb-elec.com/technical_library.asp

> 
> and download the first paper "Rs-422/485 Application Note".
> 

Heh, I never would expect it to go that far anyways.

Torrance