METHOD FOR DUALIZATION IN SYSTEM HAVING VARIOUS BOARDS

摘要

PURPOSE: A method for dualization in a system having various boards is provided to stabilize a system by installing two main boards having the same function and structure. CONSTITUTION: A method for dualization in a system having various boards comprises the following steps. One main board of two main boards receives a signal for reporting whether the other main board is operated, or not. The transmission of data to a back plane(50) is determined according to the reporting signal related to the operation of the other main board. In the step for determining the transmission, the one main board transmits the data to the back plane when the one main board the reporting signal is an In-Active signal.