Connecting The Sid-X1N; Figure 3: Connecting The Sid-X1N Step-In Commander - Kramer SID-X1N User Manual
Step-in commander accepts an hdmi, displayport, dvi and pc graphics video input, as well as an unbalanced stereo audio input (which is embedded into the output signal), and transmits the signal via tp (twisted pair) cable to a compatible switcher or dgkat