What is the difference between KNX-IP Router and KNX-IP Interface?
Both devices can be used as interface for programming and monitoring the KNX bus from the IP network, and both devices allow up to 4 simultaneous connections for this purpose.
The difference is that, KNX-IP Router can be used as line coupler or area coupler with an IP based backbone or main line, allowing telegrams dropping.
How many simultaneous connections it is possible to establish with the Zennio KNX-IP Interface?
Zennio KNX IP Interface allows up to 4 KNX-IP simultaneous connections by default.