CR11 Card Readers

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Documation CR11

The CR11 Card Readers were a series of punched card readers OEM'd by DEC from several vendors; all were controlled by the CR11 Controller. The specific units were:

  • Documation M200
  • Documation M300
  • Documation M600
  • GDI 100
  • GDI 100M

The first two Documation units could read 80 column cards at 300 cards/minute, the last at 600; the GDI units could handle 200 cards/minute.

The GDI 100M read 40 column marked cards.