TeSys U parallel liaison module, to be inserted in advanced power bases LUB120, LUB320, LUB380 equipped with a 24V DC control unit LUC*BL type. It provides a RJ45 connector located in front side of module, for the connection to PLC wiring architectures (Modicon TM3, Modicon Telefast, Modicon STB). A screw terminal block is provided for the local control of the starter controller, to be associated with a control terminal block LU9BN11C for LUB power base or LU9MRC for LU2B power base. To be inserted in the cavity of a power base provided for the auxiliary modules. Certified when used in conjunction with a LUB power base (IEC, UL, CSA, CCC, EAC, Marine).