Vintage 2 Way Manual Data Transfer Switch Box AB 25pin Input Output Connections

VINTAGE 2-Port DATA TRANSFER SWITCH A/B 25-Pin SERIAL PARAL LEL CABLE PORTS

DB25 ABCD 4 Way Switch Box Manual Data Transfer Rotary Parallel Serial VINTAGE

Vintage 2-Port Data Transfer Switch A/B 25-Pin Serial Parallel Cable Ports

VTG Radio Shack A/B Data Switch DB25 Female Parallel Port 26-115 25-Pin Printer