... control Single sending card box, Linsn, DBStar control system (Driver)Description:Driver controller is the only piece of equipment required between the ... (RJ45)cable to the tiles.Compare with noumal RJ45 connector,driver controller use ethercon soft-patched connectors to make sure lock ... -B,RS 232 on the back panel,RS 232 is used for cascadeScreen brightness control:16-levels adjustment on the front ...