It can support usb c to dp
Thunderbolt to displayport and mac output when you use all of the Giantmatrix displayport kvm switch
when your laptop or mac which is type c or hhunderbolt output
and you need a kvm switch to switching between computers
you just use the type c to dp kvm switch cable between the computer and kvm
The usb c to dp kvm swtich cable is specially used for GiantMatrix Displayport kvm switch