Difference between revisions of "Research Teleray 3900"
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| interface = RS-232C | | interface = RS-232C | ||
| interface2 = 20 mA current loop | | interface2 = 20 mA current loop | ||
| − | | interface3 = TTL | + | | interface3 = TTL serial |
| + | | attributes = normal | ||
| char_matrix = 5x7 | | char_matrix = 5x7 | ||
| char_resolution = 40x24 | | char_resolution = 40x24 | ||
Latest revision as of 14:26, 6 April 2026
| Research Teleray 3900 | |
|---|---|
| Manufacturer | Research |
| Model | Teleray 3900 |
| Lifetime | |
| Introduced | April, 1975 |
| Introductory Price | $2,490 |
| Communication | |
| Interfaces |
RS-232C, 20 mA current loop, TTL serial |
| Baud Rates | 110-9600 |
| Display | |
| Size | 12-inch, 15-inch optional |
| Phosphor | P4 white |
| Refresh Rate | 60 Hz |
| Character Modes | |
| Resolutions | 40x24, 80x24 |
| Attributes | Normal |
| Matrix | 5x7 |
The Research Teleray 3900 terminal was introduced in April, 1975 at a price of $2,490.[1]
Manx
- Teleray Brochure, 1975
References
- ↑ "CRT Series Displays 'True APL', Ascii", Computerworld, April 30, 1975, pg. 9
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