The Tektronix 1340 Data Coupler is a mainframe that can be equipped with various interface packages to connect computers (DEC PDP-11, DEC PDP-8/L, generic ASCII) to pre-GPIB progammable devices (3S5, 3S6, 3T5, 3T6, R1140A, R230, R240).
There are also interfaces for data logging to paper tape, data acquisition cards, and generic external units.
- Tektronix 1340 Manual (OCR PDF, 16M)
- Description of R1340 in September 1971 Tekscope (PDF, OCR)
- 32-bit Input Interface Package for R1340 (PDF, needs OCR)
- 021-0008-00 R1340 to PDP-8L Interface (PDF, needs OCR)