Open Box DB25 4 Way Data Transfer Switch Box RS-232 Rotary Dial

Manual Data Switch Box Two Way Rotary Dial Type PC Printer Data Lines A-B (OK)

2Port DB25 Parallel or Serial Printer Share Manual Switch

DB25 2 Way Data Switch Box with Rotary Dial for PC Data Serial Peripherals

2-Way A/B I/O DB25 Parallel Printer Manual Rotary Switch Box Serial NEW IN BOX

PC Accessories 4 position Switch Box Printer Sharing PARALLEL / SERIAL DB25

DB25 2 Way Data Switch connects to 2 Serial/Parallel Devices New

All Female}DB9 pin Serial RS232 2way AB manual data cable/cord/wire Switch Box{F