Data Transfer Switch Box DB25 Parallel Sharing Switch 2/4 Port Data Selector

Data Transfer Switch 2 Way Vintage Parallel Printer 25 Pin Port A B Computer Box

NOS Untested Data Transfer Switch 25-PIN A+B Knob DB25 Parallel Port Computer

DB25 4 Way Data Transfer Switch Box Parallel Port Rotary PC Printer

2-Way DB25 Manual Data Transfer Switch Box Rotary Parallel PC Printer UNTESTED

A-B data transfer switch. Two port DB25

Data Transfer Switch DB25 Parallel port Switch box 2-Port A/B - AB

Vintage Data Transfer Switch Manual Box 2 Way Parallel Port A B