I need a functional, inexpensive DVI over cat 6 extender
September 16, 2012 12:15 PM   Subscribe

I need a functional, inexpensive DVI over cat 6 extender that will handle 1920x1080. The run is about 50'.

This option is quite cheap, but reviews are mixed.

Gefen makes this active system, but it's more than I can justify spending.

Anyone using a passive system that works reliably? I've read all about what *should* work but could use some real world feedback.
posted by dickyvibe to Computers & Internet (5 answers total)
 
Does in have to be over CAT VI because of existing infrastructure or do you just need the length?
You can buy 50' DVI cables my understanding is that's about the max distance you can go with a high quality cable.
posted by jmsta at 1:30 PM on September 16, 2012


I need to use existing pass-throughs in two walls and they are too small to accommodate a dvi connector.
posted by dickyvibe at 1:36 PM on September 16, 2012


There are people on AVSForum who report good results with inexpensive dual-Cat6 HDMI baluns. (AVSForum is also a good place to ask these questions if you don't get enough responses here.) There are very few good reports of the single-cable adapters.

I'm in the process of installing one of the Monoprice baluns, but can't say how it will work at this point, and my equipment is 720p.

One thing that seems to come up frequently is that the single Cat6 baluns are crap compared to the dual ones. I'm not sure exactly how the pinout of the dual-cable baluns compare to the singles, but since it's not that difficult to just pull an extra piece of a cable as long as you're doing one, I just decided not to mess with them.

So if I were you, I'd pull (at least) two runs of Cat6 and give the Monoprice baluns a try. They're under $20/pair which is a fraction of some other systems so it's pretty low-risk.
posted by Kadin2048 at 2:15 PM on September 16, 2012


I set up a small classroom using Tripp Lite DVI/cat5e extenders (using cat6 cable) a couple of years ago. The run was roughly 50 feet. We were able to get full 1080p resolution out of it without any quality issues.
posted by cspurrier at 12:28 PM on September 22, 2012


Thanks all. I just installed a pair of IO Gear GVE200 DVI-D Cat 5e/6 Mini Extenders ($30), and a 30' (unshielded) cat 6 run works fine at 1920x1080 with no noticeable degradation or artifacts.

I also tried a 75' unshielded cable, but got no video signal. Most sources recommend a shielded cable for longer runs, so that's worth a shot if you need that kind of length.
posted by dickyvibe at 3:12 PM on September 23, 2012


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