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Our setup: 4 1080p TVs wall mounted with HDMI Atlona matrix switch to control them and a control 4 controlling that via iPad. The main input for the screens are a PC with display ports that get converted to HDMI and then go through the matrix switch to the TVs.

We had to move equipment out of the room with the monitors to the basement on the other side of the house, but still have the screens in that room. So we ran Cable matters HDMI to Ethernet converters from Amazon to get the distance.

In total we laid 6 Ethernet and one Coax through conduit under ground. 4 for screens, 1 for USB extender, 1 extender so we can hook a guest laptop up to a screen and the coax was to hook up a cable box we had down there as well.

So now to my problem, the video shows up on the screens(with no flickers in picture) if everything is booted in the correct order, but if the screens get turned off, sometimes the HDMI converters can't find each other. They just say "searching for TX". What Ive been researching is what kind of cable we need, we are looking to lay a new cable because we are guessing having 7 un-shielded cables is causing some issues. The other option would be to go with High end extenders over the existing cables thinking that the extenders arent good enough for what we are doing, but 5 high end extenders are expensive so that wouldnt be the simple solution. Does anyone with a background in laying Ethernet have any suggestions about if we have the wrong Ethernet, if shielded would work better? Thanks!
 

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Our setup: 4 1080p TVs wall mounted with HDMI Atlona matrix switch to control them and a control 4 controlling that via iPad. The main input for the screens are a PC with display ports that get converted to HDMI and then go through the matrix switch to the TVs.

We had to move equipment out of the room with the monitors to the basement on the other side of the house, but still have the screens in that room. So we ran Cable matters HDMI to Ethernet converters from Amazon to get the distance.

In total we laid 6 Ethernet and one Coax through conduit under ground. 4 for screens, 1 for USB extender, 1 extender so we can hook a guest laptop up to a screen and the coax was to hook up a cable box we had down there as well.

So now to my problem, the video shows up on the screens(with no flickers in picture) if everything is booted in the correct order, but if the screens get turned off, sometimes the HDMI converters can't find each other. They just say "searching for TX". What Ive been researching is what kind of cable we need, we are looking to lay a new cable because we are guessing having 7 un-shielded cables is causing some issues. The other option would be to go with High end extenders over the existing cables thinking that the extenders arent good enough for what we are doing, but 5 high end extenders are expensive so that wouldnt be the simple solution. Does anyone with a background in laying Ethernet have any suggestions about if we have the wrong Ethernet, if shielded would work better? Thanks!
Try posting here.

http://www.avsforum.com/forum/168-hdmi-q-one-connector-world/
 
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