2-Way Manual Data Transfer Switch Box Rotary Dial DB25 Parallel for PC, Printer

Inmac PC Switch 2 Way Rotary Type PC Data Lines A-B - Untested Sold As Parts

IDATA DB25 Manual Data Switch Two Way Rotary Dial Printer/Serial Data Lines AB

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

DB25 Manual Data Switch Two Way Rotary Dail Type PC Printer Data Lines AB

DB9 AB 2-Male 1-Female Port Switch Serial 2-way Rotary Dial Heavy Duty

Interex 2 Way Data Switch Box w/ Rotary Dial Serial Device Printer

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