USR-K7 User Manual www.usriot.comJinan USR IOT Technology Limited 37 / 120 inquiry@usriot.com4.2.4. UDP Server modeDiagram 4.2.4-1 UDP Server Mode1. Do not check the original IP address basic on the common UDP, under UDP server mode, K7 received the UDPdata package and change the remote IP change into data original IP and port, the turn back to the last IP and port.2. Used in communicating with several device and do not want to use the TCP for the high speed.3. Application case:① set K7 into UDP server mode, local port is 23② Click two testing software, work mode:UDP; remote IP and port is the IP and port of K7. then click send, theserial port will receive the data , click serial port send, the testing software will display the data that received by therecent one communicating with K7.