USR-N668 User Manual Technical Support: h.usriot.comJinan USR IOT Technology Limited www.usriot.com43Figure 62 Serial port parameter setting Serial baud rate: baud rate of serial communication , does not support custom baud rate. Check / data / stop: serial port parameters Work mode: 668 of the work is TCP Server /TCP Client/HTTPD Client/UDP Client/ UDP Server Target IP / Domain Name: The target IP which 668 work as the client (TCP Client / HTTPD Client / UDP Client) Local port: set 0 when 668 work as TCP Client, i.e. issued as a random port numberAttention: When using the software to set parameters through the network, the display will be forced to open. Configure parameters through serial port. As follows, the steps are to operate through the serial port - > open theserial port - > enter the configuration state, and then click read reference.Figure 63 software Modify PC's IP and module in the same network segment, or use serial configuration parameters.5.1.2. Setting protocol settings parametersBy setting up the protocol, you can complete the process of search > setting > Restart (save parameters).5.2. Web settings parametersOpen the browser and enter the IP address of 668. By default (192.168.0.7), you can open the login interface of 668.Enteruser name: adminPassword adminClick login, you can enter the login screen.