Vintage Compucessory manual A/B data transfer switch featuring three 36-pin Centronics-style female ports labeled I/O, A, and B. Rotary selector allows switching between two connected devices. Commonly used with vintage computers and parallel printers.

Pre-owned with cosmetic wear and discoloration from age and storage. Untested and sold as-is. No cables or additional accessories included. Please review all photos for condition and compatibility.

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Most of the items we sell are used and may contain flaws that have been overlooked while processing items. Please look through all the photos and description before purchasing. Sold As Is!