Technical Manual – IP Router SCN-IP100.03
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2.8 Topology
2.8.1 Line coupler
The following figure shows the IP router as line coupler:
Figure 2: IP Router as line coupler
The IP Router in KNX installations can assume the function of a line coupler. For this it needs to get
the physical address of a line coupler (1.1.0 ... 15.15.0). Currently, in an ETS project up to 225 lines
can be applied.
This topology is described as a flat topology as there are KNX main- or backbone lines. The telegrams
of the KNX line are transmitted directly to the Ethernet