Siemens SCALANCE X-200 Operating Instructions Manual page 20

Network topologies / media redundancy
2.1 Network topologies
Figure 2-5
Figure 2-6
20
Electrical ring topology, example with SCALANCE X208 and SCALANCE X-400 as
redundancy manager
Ring topology with electrical and optical ring links, example with SCALANCE X206-1,
SCALANCE X208, and SCALANCE X204-2 as redundancy manager
Operating Instructions, 12/2011, A5E00349864-19
SCALANCE X-200