Data Transfer Switch – Parallel $10.00 Centronics ports Please Select Choose an option2 Port4 PortClear Data Transfer Switch - Parallel quantity Add to cart Continue Shopping Categories: Networking Cables & Adapters, Printer Cables & Adapters, Products for Non Apple Computers Description Data transfer switch with Centronics 36 parallel interface – commonly used with parallel printers, scanners, drives and more. Current offerings are shown in the first two photos. 2 port or 4 port Untested and sold-as-is.