13 EKI-1351/EKI-1352/EKI-1521/1522/1524 User Manual
Chapter 2 Getting Started
2.1.5 Serial Tunneling mode
Two native serial devices can communicate over a Ethernet network without any
intermediate host PC and software programming. Serial Tunneling is very simple to
use. You can use Advantech serial device server utility to designate one serial port
as the tunneling master and another serial device server port as the tunneling slave.
2.1.6 UDP Server/Client Mode
UDP is used primarily for broadcasting messages over a network. In the UDP server
mode, EKI serial device server access max of 8 hosts’ UDP message. In the UDP
client mode, EKI serial device servers transmit UDP message to max of 16 hosts
simultaneously.
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