DB25 4 Way Data Transfer Switch Box

Vintage Data Transfer Switch DB25 A/B Parallel Port Computer Accessory

Vintage VGA Data Transfer Switch A/B Box 2 Position Video Switch No Power Needed

Vintage Radio Shack Parallel Port Data Switch Box Manual Selector DB25

DB25 Male to Male Parallel Printer Cable Vintage Beige 25-Pin

Vintage DB25 A/B/C/D Parallel Serial Manual Data Switch Box

Computer Printer 25 Pin Parallel Port Data Transfer A/B Switch Used Untested

4-port manual parallel data transfer switch (cross-over type) Retro Computing