Good luck with that. Last I tried they told me I had to have a large number of their excellent but greatly over-priced routers before I could get access to Sixnet.
The sixnet ethertrak unit failed on SMOKEY on Aug 2018. It was replaced using ... Setup - You must use SixNet's io_toolket to setup and configure the SixNet Hardware. ... Configure network parameter. Connect ... Universial Protocol - SixNet's Universial Protocol (SUP) is their proprietary protocol.