[BC] Long serial connections

[Jason R.]

wrote:
> >  Hello,
> >  Quick question...
> >
> >  What is the longest serial/com port run that will still work?
>
>  The standard references 50 feet.
>  In practice, if the levels are not dropped too much by the
>  resistive losses of the wire, and the edges of the bits are
>  not rounded too much by the roll off of the wire, it'll go
>  almost indefinitely.
>
> >  Any one have experience with long runs like this?
>
>  Yep !
>  Start with good wire, like Cat-5 and balance the connections.
>  ( say, white-blue send, blue white ground, and white-orange
>  receive, orange white ground )

* I agree, while 50' is the recommendation, I've run it a lot longer even on
shielded wire with enough conductors.  Used the shield grounded on one end
like you would for audio... to try to 'keep the noise drained off'...
Jason