Section 3 Fieldbus Topologies Star Topology
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Star Topology
In a star structure several optical modules (for example optical link modules) are
combined to form an active PROFIBUS star coupler. The modules of the star
coupler are connected to one another via RS485 (PROFIBUS DP). In opposite to the
tree topology the star topology contains more main components to build a structure
like a tree.
Figure 18. Star Topology
This topology is also described in Basics of fibre optics topology technologies on
page 46.
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