Patent ID: 6552915
Filing Date: 2003-04-22
Classification: H05K

Abstract:
A telecommunications apparatus comprising a sub-rack unit having a back wiring board and a guide rail portion and a plurality of plug-in units inserted and loaded into the sub-rack unit from a front surface thereof along the guide rail portion, the plug-in comprising:a metallic front member; a printed board fixedly mounted at one edge on the metallic front member and having, at a leading edge in a direction of insertion, a connector designed to be connected to the back wiring board when loaded; and a metallic case that envelopes the printed board and has an opening on a leading edge in a direction of insertion that exposes the connector, the plug-in unit configured so that an edge of the opening on the leading edge in the direction of insertion of the metal case contacts the sub-rack unit in a state in which the plug-in unit is mounted in the sub-rack unit; wherein at least one intermediate guide rail member is provided so as to divide the internal space of the sub-rack unit and provide a guide rail portion at a predetermined intermediate position of the sub-rack unit along which the plug-in unit is inserted into the sub-rack unit.