LOGO! CSM12/24 COMPACT Switch Module CONNECTING TO LOGO! (...0BA7/...0BA8) and UP TO 3 ADDITIONAL USERS TO IND. ETHERNET WITH10/100 MBIT/S Unmanaged Switch, 4 RJ45 PORTS, 1XFRONTPORT FOR DIAGNOSTICS 12/24V DC POWER SUPPLY LED DIAGNOSTICS, LOGO! CONFIGURATION