These are used in terminating cables of secondary telephone networks to the cable pairs of subscriber lines. The box consists of a body and cover, which house VX modules on a DIN rail.
Provision for wall mounting is incorporated in the body of the box. The VX modular connection system is used for making the connections and allows pairs to be selectively protected by the use of five-point plug-in modules against overvoltages, overcurrents, and unwanted frequencies. The provision of a remote testing capability is another option.
