Input or output parameters in the SDK API is NULL, or the value or format of the parameters does not match with the requirement. The assigned serial port does not exist on the device. The input data is not supported by the device for remote configuration.Įxecuting command on the device is timeout. The data sent to the device is illegal, or the data received from the device error. Timeout when receiving data from the device. The device is off-line, or connection timeout caused by network. ![]() SDK version is not matching with the device.įailed to connect to the device. The number of connection with the device has exceeded the max limit.
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