Abstract: A telecommunication switching connector constructed to include a base holding a first metal spring plate, a second metal spring plate and a third metal spring plate at one lateral side and a tubular signal terminal on the middle, a cover covered on the base to hold the metal spring plates and the tubular signal terminal, wherein the first metal spring plate, the second metal spring plate and the third metal spring plate are disposed in contact with one another, forming a first transmission loop before insertion of a plug connector into the telecommunication switching connector; the third metal spring plate is forced away from the second metal spring plate and form with the first metal spring plate a second transmission loop after insertion of a plug connector into the telecommunication switching connector and contact of the central signal terminal of the inserted plug connector with the tubular signal terminal.