Configuration example
Sample configuration with SCALANCE X308-2, SIMATIC S7-300/400 and operator panel as
end devices.
3&&33&&3
6&6&
*B,.B;;B
3DQHO3&
6&$/$1&(
;0
6&$/$1&(
;
6&$/$1&(
;
,QGXVWULDO(WKHUQHW
6&
&3
6&
&3
6&
&3
Figure 3-1 Linear structure (optical)
3.3 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.
Properties of a star structure
Each IE Switch X-300 communicates over a TP or FO cable with a central switch with which all
other switches are also connected within a star structure. Communication is possible over the
optical or the electrical ports.
Network topologies
3.3 Star/tree structure
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 23
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