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Products>.
4.4 Simple TCP Connection Test
Now we need to test the transparent communication function of the networking
products. The transparent communication is what data the computer sends to a
networking product, the serial port of the networking product outputs what data.
Instead, what data is received that the serial port of the networking products will
send to the computer on the network.
Figure 5 Transparent Transmission Diagram
If the COM port of PC is connected with the serial port of networking product, then
open the ZLComDebug serial port debugging assistant, the ZLComDebug can
communicate with the serial port of networking product. Open TCP&UDP
debugging assistant SocketTest, and as TCP client, connect to the 4196 port
under the IP (currently 192.168.1.200) of the networking product, and the TCP link
can be established with networking products.
Since then, the data sent by SocketTest can be received by ZLComDebug, and
the data sent by ZLComDebug can also be received by SocketTest.