Methods and apparatus for aligning a mirror block with a base plate to form a mirror assembly are disclosed. The telecommunications platform includes a gateway cluster with two or more signaling gateways. Multiple switches are simultaneously secured to the switch housing by an internal bracket which simultaneously provides pressure against the backs of multiple switches. Since the engaging portion is not provided in the width direction of the plug, the dimension in the width direction of the plug connector can be reduced. Special fasteners provide protruding points useful in anchoring the prosthesis.