USR-K7 User Manual www.usriot.comJinan USR IOT Technology Limited 24 / 120 inquiry@usriot.comstatus.LISTEN: under TCP server mode, listening and wait being connected.CONNECTING: under TCP client, K7 building the connection to TCP serverCONNECTED: have builtCONNECTED(n):under TCP server, the number of the client connected.ERROR: k7 stayed in abnormal disconnection.5) Conn status (ETH)B:connection status of socket BDiagram4.1.4-1 Running Status4.1.5. Net Firmware UpgradeNet upgrade firmware is stable and easy. New function can be enjoyed in the last firmware to meet the highrequirement. Ask for new firmware from supply or from the USR support: http://h.usriot.com, details please refer to5.1.1 firmware upgrade.4.2. Socket