7–10
MULTINET4 MULTI-PORT SERIAL SERVER & MANAGED SWITCH – INSTRUCTION MANUAL
TERMINAL SERVER APPLICATION NOTES
CHAPTER 7: TERMINAL SERVER APPLICATION NOTES
7.6
Application #3: Multipoint SCADA
Three Multinet4 devices are used to connect three serial devices over a TCP/IP network.
One of the serial devices is a SCADA master and the other two are slaves. The MN4-1
(connected to the master) is configured to make one active connection to MN4-2 and
MN4-3 (each connected to one slave device).
FIGURE 7–8: Multipoint SCADA
The Multinet4 is configured as illustrated in the figure below: