3
Network topologies
3.1 Linear structure
Functional description
Linear structures can be created with the IE Switches X-300. The cascading depth and total
span of a network are limited only by the signal propagation times of the communication
connections.
Properties of the linear structure
Each IE Switch X-300 communicates over a TP or FO cable with a neighboring Ethernet
switch. Communication is possible over the optical or the electrical ports.
Configuration example
Sample configuration with SCALANCE X308-2, SIMATIC S7-300/400 and operator panel as
end devices.
Figure 3-1 Linear structure (optical)
3.2 Star/tree structure
Functional description
Star/tree structures can be created with the IE Switches X-300. The cascading depth and
total span of a network are limited only by the signal propagation times of the communication
connections.
SCALANCE X-300
Operating Instructions, 02/2012, A5E01113043-12
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