One pair as a full functional module, no need of setting. Follow the standard of IEEE-568B. Displayport To HDMI Repeter Speed @ 2.7Gbps, Displayport 1.1 @ 1.62GbpsSupport full displayport link trainingCompliant with HDMI 1.3a specification up to 2.25GbpsEasy to use , no software requiredHDTV: 480i, 576i, 480p, 576p, 1,080i, and 1,080pUpdate Date:2011-11-21 19:01:36