The Kramer HDBT-IN2-F16 is a two-channel HDMI, bidirectional RS-232, Ethernet, & IR over HDBaseT twisted pair receiver card for the VS-1616 Series Modular Multi-Format Digital Matrix Switchers. The HDBT-IN2-F16 inputs two extended reach HDBaseT signals with bidirectional RS-232, Ethernet, and IR from the line to the chassis .