For connecting MGB2 or MCM modules Interface to PROFINET/PROFIsafe Connection via plug connector RJ45, AIDA compliant Remote or direct mounting Integrated switch Compatible with all Modular devices PROFINET interface Plug connector RJ45 AIDA-compliant (push-pull plug according to IEC 61076-3-117, variant 14) PROFINET switch Linear topology network structure due to integrated switch (supports MRP). MLI connections (module plug connector) An MGB2 Modular or an MCM Modular can be connected directly to a bus module (direct plug). Alternatively, the modules can be connected using commercially available connecting cables M12, 5-core (cable connect).