. After receiving this unit and searching the internet for a manual, I found that it seemed to only be compatible with DVI-D single - connection. , despite the fact that its female ports are DVI-I. I was able to trace multiple DVI-D single link cables and make sure they were working, but the set top box still refused to send video to my monitors. But there's good news - the USB ports work! It's essentially a $350 switchable USB hub. Don't waste your time or money.
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