Media Switching?

[iadubber]

I'm at a point where alot of our schools use the AverMedia 11 TVBoxes.

 

AVerMedia MPD USA - PCTV tuner card - HDTV tuners - HD Capture - Live TV on iPad - HD Media Player - AVerTV Hybrid TVBox 11

 

Alot of them over time just stop projecting through our baluns. Currently most rooms are a pc side balun and a projector side balun connected with Cat5e.

 

After time the AverMedias just plain stop passing through computer signal when the box is off. Then the teacher has to turn the AverMedia on and switch to PC input. And eventually it just stops passing the computer screen. It will still pass TV and other inputs. We've tried many different cables and configs. If I bring the box to our testing area the box will work perfect hooked directly to a monitor with VGA. But will not work over baluns.

 

My guess over time the power output degrades so much that the box won't boost the vga coming in. I'm not sure why TV and other inputs would display fine.

 

What are you using in your environments? We have teachers that view Channel One, use Visualizers, DVD/VCR players, and computers to project through one VGA balun to the projector. I need something that will withstand the rigors of classroom use and have multiple inputs including a cable tuner.

 

Thanks!