Gateway for the BL20 I/O System, Interface for PROFIBUS-DP, DIP switch for adjustment of the node address, Protection class IP20, 2 x end brackets BL20-WEW35/2-SW, 1 x end plate BL20-ABPL, Gateway between the BL20 system and PROFIBUS-DPV0/DPV1, 12 Mbps, Push-in clamps, Bus termination resistor switchable via DIP switch, Integrated power supply, LEDs for display of supply voltage, group and bus errors