File Transfer Cable - Acer 505 series User Manual

52 3 Peripherals and options
Connect the single connector end of the Y-bridge cable to the computer's PS/2 port
and the double connector ends to the two PS/2 devices.

File transfer cable

Besides using the infrared port, you can also transfer files between computers
using a file transfer cable. Connect the file transfer cable between the parallel
ports of the two computers and use your file transfer utility to perform the transfer.