The PlayStation Link Cable (SCPH-1040) is a peripheral cable for the 1st generation PlayStation console. Utilizing the serial I/O port found on the back of most PlayStation models, it allows for two consoles to be connected in order to play compatible multiplayer games on separate consoles. It was released in July 1995 in Japan for ¥2000, and during the 1995 Christmas shopping season in the United States.
The PlayStation Link Cable.