SCALANCE XF204-2BA DNA MANAGED IE Y SWITCH, 4 X 10/100 MBIT/S, 2 X BUS ADAPTER INTERFACES, ERROR SIGNALING CONTACT, SET BUTTON, REDUNDANT 24 V DC POWER SUPPLY, PROFINET DEVICE, EXTENDED TEMPERATURE RANGE -40°C…+70°C, CONFORMAL COATING, WITH ELECTRON. MANUAL ON DVD, C-PLUG OPTIONAL, SUPPLIED WITHOUT BUS ADAPTER