69 Chapter 7
7.2.2 Event-handling Network Architecture
If an event occurs from serial devices connected to the EDG-4508+U/
4516+U, the host PC can get the data via the Ethernet. You can use the
event-handling network architecture.
Figure 7.14: Network architecture: Event-handling
Figure 7.15: Flow chart: Event-handling network
Define the TCP port of Host PC
Host PC creat es th e socke t
Accept the connection from
EDG-4508+U/ EDG-4516+U
Receive data from
EDG-4508+U/ EDG-4516+U
Disconnection