  510a       - AT&T Personal Terminal - analog
  510d       - AT&T Personal Terminal - digital
  510n       - AT&T Personal Terminal - no touch targets
  513        - AT&T Teletype BCT513
  4410       - AT&T Teletype 4410 or 5410
  4415       - AT&T Teletype 4415 or 5420
  4420       - AT&T Teletype 4420
  4425       - AT&T Teletype 4425 or 5425
  610        - AT&T Teletype 610
  615        - AT&T Teletype 615
  620        - AT&T Teletype 620
  6300plus   - AT&T PC6300+
  unixpc     - AT&T UNIX pc
  hp2621     - Hewlett-Packard 2621
  tvi925     - Televideo 925
  vt100      - DEC VT-100
