Research Teleray 3541
|Research Teleray 3541|
|Introduced||prior to March, 1977|
20 mA current loop,
|Refresh Rate||60 Hz|
The Research Teleray 3541 terminal was introduced sometime before March, 1977.
A detachable keyboard option was introduced in March, 1977 at a price of $50, or $100 with a numeric keypad. A separate readout monitor was introduced in March, 1977 at a price of $100 less than the price of a terminal.
- Teleray Brochure, 1975
- "Units Get Keyboard", Computerworld, March 21, 1977, pg. 36