This product is mainly to solve the Taiwan lilin PIH-7000, model 7600, 7625 high speed dome camera surveillance systems cannot monitor video, matrix, control keyboard system compatibility issues. Taiwan lilin communication protocols are PIH-717 proprietary protocols, lilin dedicated control keyboard must be used with proprietary protocols hosts can control. Lilin speed dome support standard RS485 communication format, Daisy link can link to a maximum of 64 high speed ball: lilin protocols supported 1-64, address, through the base speed dial options. Lilin is fixed at 9600 baud rate the baud rate.