Lear Siegler ADM-21
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
- ↑ "Lear Siegler Terminals, Modem Out", Computerworld, December 7, 1981, pg. 67.