This is essentially what SDF looked like from mid 1991 through 1993. The Hugin Sweda 212a modem used in 1991 was no longer being in use and the fourth line was dedicated to the Telebit Trailblazer PEP modem for UUCP with a host of lonestar.org nodes such as letni (SMU), adaptex (Adaptec Corp), egsner (CIRR) and others.