21. The new Tymnet " Engine " software was used on both the Supervisor machines and on the nodes. 22. They used Tandem computers connected to a high speed data link using Tymnet as the connection and translation medium. 23. Researchers using modems or Tymnet could access the PIR to look up sequence information or add to the collection. 24. Access was via local dial-in or for additional hourly charges, the Tymnet X . 25 network. 25. Up to 10 old-style Tymnet Engines were replaced by a single Sparc node in the network switching centers. 26. Tymshare sold a copy of the Tymnet network software to TRW, who created their own private network, TRWNET. 27. Connections to PlayNet were made by modems at 300 baud via X . 25 providers such as Tymnet and Telenet. 28. Tymnet usage statistics showed AOL's call capacity was greater than its maximum volume for the duration of the event.29. Funding for this project was at a minimum but the Tymnet engineers believed it was a superior method and proceeded anyway. 30. After the migration to the Tymnet Engine, they started developing Tymnet accounting and other support software on the PDP-10.
