Figure 46: Typical topology in power system communication environment
The logically network the switches do when using VLAN traffic segregation is shown
below.
Figure 47: Logical topology of typical power system communication environment
IEC 61850 documents recommend to use different methods of redundancy at Station and Process communication bus. For
simplification, these redundancy requirements are not shown nor discussed in this chapter.
9.4 IEEE 802.1Q Switch operation concepts
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