Remote controlled high-end graphic signal switcher (all VGA´s) with 4 ports. The high speed electronic switcher operates in all graphic signals connected with 15pin HD shell in reversible processing, too. The possibility are 4 PC´s switchable to 1 high-end graphic monitor or 1 PC switchable to 4 graphic monitor locations by high speed monitor signals. The fix impedance resistors are intern programmable. The remote controlling goes by RS 232 serial or in single switchers to a linear 25pin SUB-D connection.