Super Port User Guide www.usriot.comJinan USR IOT Technology Co., Ltd Sales@usriot.comPage15/34Diagram 3-9Client 2 <-> server3.4.TCP Server mode1） In TCP server mode, module listens to the local port, accepts connection requests andestablished connection for data communication. When the module port receive the data, it willsent data to all the client devices connected to module. And then, TCP server mode also hasKeepAlive function to monitor the integrity if connection.

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