*~*Vintage*~* Data Transfer Switch 2 Way Parallel Printer DB25 Pin Port A/B Box

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

Two (2) Vintage Data Transfer Switches 2Way Parallel PRINTER 25 Pin Port A B

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

Vintage new old stock Parallel Data transfer switch

HMC LJKMP101C 8-Bit ISA Parallel LPT Printer Port Card Vintage IBM PC XT Retro

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

Belkin Data Switch F1B028-E 4 Port 25-Pin With Cable