Vintage Data Transfer Switch 4 Channel Computer Parallel Serial Control

DB25 2 Way Data Transfer Switch Box

DB25 4 Way Data Transfer Switch Box

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

Vintage Radio Shack Parallel Port Data Switch Box Manual Selector DB25

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

Vintage new old stock Parallel Data transfer switch

Vintage 2 Device Data Transfer Switch A/B with Two 25 Pin Connector Cables