The wall of the common housing is provided with a plurality of tongues which serve as earth contacts of the common housing and whose number correspond to the number of earth lines of the coaxial lines to be connected.

The vibration probe is coupled to the housing such that the coupling minimizes the inherent vibration dampening effect caused by the weight and mass of the housing.

The bracket includes mounting holes that are configured to attach to ground studs of the fiber optic splice closure.

The plurality of conductor patterns are arranged so as to oppose to the ground conductor pattern which is connected to a ground terminal of the semiconductor package.