APPARATUS FOR STABILIZING ROUTER IN BUILDING AUTOMATIC CONTROL SYSTEM WHICH USES BACNET

摘要

PURPOSE: A router stabilizing device of an automatic building control system is provided to enable a router stabilizing device to perform a network connection function from a router by using two routers. CONSTITUTION: An IP(Internet Protocol) address of a first router module is matched with a MAC(Medium Access Control) address of a second router module. The first router module and the second router module receive data through a serial line. The first router module transmits a heartbeat signal to the second router module through the serial line.