The KNX IP Router 751 with compact design has a width of only 1 module (18 mm) and is powered by the KNX bus. The device forwards telegrams between different KNX TP lines via LAN (IP) as a fast backbone and is an alternative to KNX line coupler. The KNX IP Router 751 can also be used in the ETS® as a programming interface. The KNX IP Router 751 has a full-range filter table and a large telegram buffer. The buttons and LEDs on the device allow a local diagnosis including the operating status and communication errors.