Lear Siegler ADM-21

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Lear Siegler ADM-21
Manufacturer Lear Siegler
Model ADM-21
Lifetime
Introduced December, 1981
Introductory Price $695

The Lear Siegler ADM-21 terminal was introduced in December, 1981 at a price of $695.[1]

Features:

  • block mode operations
  • XON/XOFF communications
  • visual attributes

References

  1. "Lear Siegler Terminals, Modem Out", Computerworld, December 7, 1981, pg. 67