Network topologies / media redundancy

2.1 Network topologies

SCALANCE X-200
20 Operating Instructions, 12/2011, A5E00349864-19
S7-400
Switch
SCALANCE
X-400
S7-300
PC
Switch
SCALANCE
X208
PC
PC
S7-400
S7-400
S7-300
PC
S7-400
S7-400
S7-300
Operator Station PC
S7-400
G_IK10_XX_10101
Twisted Pair
Twisted Pair

Figure 2-5 Electrical ring topology, example with SCALANCE X208 and SCALANCE X-400 as

redundancy manager

Figure 2-6 Ring topology with electrical and optical ring links, example with SCALANCE X206-1,

SCALANCE X208, and SCALANCE X204-2 as redundancy manager