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

Cisco GS110-8-HW Meraki Go 8-Port Network Switch Missing AC ADAPTER UNTESTED

Vintage Desktop Rotary Data Transfer Switch A-B Untested

Vintage Data Transfer Switch Input Output A/B Untested

Netgear ProSafe GS116E 16-Port Gigabit Switch Used UNTESTED

Beige USB A to B 4 Way Mini Data Transfer Switch Box I/O ABCD Port PC

Data Transfer Switch Box Manual 4-Position 4-Port A-B-C-D Serial Switchbox

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