Four technical aspects of the Asi protocol are:

Speed $1200$bps$,$ Distance $100$m$,$ Access CSMA$/$CD$,$ Encoding Simple Baseband

Speed $5$m/s access, Distance $300$m$,$ Access Master$/$Slave$,$ Encoding Sin Squared

Speed $5$m/s access, Distance $300$m$,$ Access Token Passing, Encoding Carrier band

Speed $50$m/s access, Distance $300$m$,$ Access Master$/$Slave$,$ Encoding Sin Squared