Figure 11: M-Bus Level Converter
Wiring the NIE for KNX Protocol
1. Connect an Ethernet cable to the RJ-45, 8-pin Ethernet port shown in Figure 1.
2. Connect another Ethernet cable to the port on the front of the KNX gateway (Figure 12).
Note: Depending on the size of your network, you can use either a KNX interface or router as a gateway. The
Interface connects the NIE to a single KNX line, while the router acts as both an interface and a line
coupler over Ethernet to connect the NIE to the network, not to a single device.
11NIE29 Installation Instructions
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