I think the cable is just a fibre-optic USB-C (thunderbolt?) cable. This is probably necessary to get the 5m range. I know for Thunderbolt 3 cables > 2m you had

I think the cable is just a fibre-optic USB-C (thunderbolt?) cable. This is probably necessary to get the 5m range. I know for Thunderbolt 3 cables > 2m you had to go fibre optic and they were surprisingly expensive ($100+). It would surprise me if you couldn't plug in another USB-C cable with the correct protocol support here.