KNX Serial 870 [5122] : Simple integration solution for non-KNX devices. As RS-232 interface the device uses the proven FT1.2 protocol (PEI 10) as telegram format. Objekt Server with 250 data points / BAOS Binary V1 / Connectors: KNX / RS232 (Sub-D / fem.) / 1 TE(18 mm)