DB25 4 Way Data Transfer Switch Box

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

Vintage Belkin F1B024E 2-Port DB25 Data Transfer Switch with one cord– Untested

Vintage Radio Shack Parallel Port Data Switch Box Manual Selector DB25

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

2-to-1 D-Sub 9 Serial Port Data Transfer Switch 2-1 or 1-2 9pin DE-9 2way RS-232

Data Transfer Switch 2 Way Vintage Parallel Printer 25 Pin Port with Two Cables

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