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Old 12-01-2011   #3
Join Date: Dec 2011
Posts: 7
Default Re: HDMI to CAT6 Extender

No. it's not for sound. The sound is being send on the TMDS line of HDMI, which takes one CAT6 cable. Then the other is for Hot plug Detect, 5V. DDC. The unused pin can be left for the manufacturer to play with. To have it work you do need 2 cables
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