Connection strip for high data rate lines, and a resulting connection assembly

In a connection strip for high data rate lines including an elongate insulating body, two rows of insulation-displacement contacts mounted in the body facing one another, means interconnecting electrically said insulation-displacement contacts in pairs from one row to the other inside said insulating body, said contacts defining successive sets along each row, said contacts of each set in one of the rows being assigned to one of the lines and constituting at least one end grounding screen in the set, the improvement wherein, in each set of contacts, said connection strip includes a single one of two end contacts constituting a single grounding screen and forming a grounding contact, and a ground collector extending along said body, connected to an external ground, and provided with a plurality of longitudinally spaced tongues making electrical connection with respective facing grounding contacts in said two rows, inside said body.