Re: Yet another nifty project idea: RGB using Cat-5e

[Andy McFadden <fadden@fadden.com>]

glen herrmannsfeldt <gah@ugcs.caltech.edu> wrote:
>> For those interested, I have discovered that it is possible to connect
>> an Apple IIGS to an RGB color monitor using a standard Category 5e
>> network cable. This is accomplished by assembling a pair of male D-Sub
>> 15 to RJ-45 modular adapter kits with the correct pinouts.
> 
> Cat 5 is 100 ohms, and video signals usually use 75 ohms (coax), though
> if it isn't too long, and you don't mind the RFI, maybe it works.
> 
> (UTP cable is designed to work with balanced signals, to minimize RFI.
> RGB video is usually unbalanced.  A ferrite bead might fix that, though.)

You *can* buy 100-foot VGA cables.  Or custom-build a IIgs RGB cable
to the specified length.  http://www.redmondcable.com/ has some pretty
good stuff.

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