| 摘要 |
There is disclosed a network apparatus connecting BACnet/IP and BACnet/MSTP that are standard networks used in a building automatic control system such as equipments, electricity, lighting control of a building, more particularly, an apparatus for duplicating a router in a building automatic control system that can achieve stability of a network and reduce data transmission failure on a network and enable serial data transmission by controlling the other router to continuously perform a function of a router instead, when one of two routers installed thereof is stopped, and a controlling method thereof.
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