The invention relates to a distribution board connection module (1) for telecommunications and data technology, comprising a trough (2) which is in the form of a U in cross section, the trough (2) being made from metal or metalized plastic and having a base plate (3) and two limbs (4), the base plate (3) having openings, into which first printed circuit board plug-type connectors (5) are inserted, the modules (10) each having a plastic housing, which has a cavity, in which at least one printed circuit board (21) is arranged, the plastic housing having, on its front end side (13, 14), an opening in which at least one printed circuit board plug-type connector (22) is arranged and having, on its rear end side (15, 16), an opening, the modules (10) being plugged onto the limbs (4) of the trough (2) and a printed circuit board plug-type connector (5), which is inserted into the base plate (3) of the trough (2), engaging in the opening of the rear end side (15, 16) of a plugged-on module and making contact with the printed circuit board of the module (10), and to a grounding clip (30) for a module.