Turboways 25 is a SBus based adapter for 25 Mbps over UTP 3 cabling.
It uses a IBM Token Ring Chip Set for 4b5b coding and supports SVCs and PVCs.
Features include supports of UNI 3.0, UNI 3.1, LANE 1.0 and RFC 1577.
Operating System support include Solaris 2.3 and SunOS 4.1.3.
web page used to be available at: http://www.networking.ibm.com/tbo/tboover1.html