D-sub connector
D-subminiature or D-sub connectors were introduced by Cannon in 1952.
See Wikipedia for details.
They were ubiquitous in computer applications from the 1960s to the early 21st century.
Uses in Tektronix equipment
- DB-25 female in instruments having parallel ("Centronics") printer ports
- DE-9 male (on older instruments, DB-25 male) on many instruments having RS-232 serial interfaces
- DE-15 female on instruments with VGA video output
- DD-50 on DF1 (m) / 7D01 (f)
- ...
Pictures
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DB-25, DE-9 and DE-15 connectors on the back of a TDS644A