The SB-384 is a switch box computer-sharing device that allows four users to share one peripheral or one user to share four peripherals. Based on the manual switching principle it\'s as easy as selecting the required letter your device is on. The SB-384 is a perfect solution for a small office environment where a peripheral can be shared between four users without the trouble of a network. There is no interface card or software to configure. Installation is as easy as connecting cables between the Switch and your computers. Specification: Supports RJ45 connections. Manual Selection. Operating system independent transparent to all applications. Power-free operation. No Software required.