A connector assembly is provided and includes a shielding cage, a receptacle connector and a light guiding member. The shielding cage has a plurality of walls, a receiving space defined together by the plurality of walls, a front end opening communicated to the receiving space and an aperture communicated to the receiving space. The receptacle connector is received in a rear segment of the receiving space of the shielding cage. The light guiding member has at least two light guiding pipes, each light guiding pipe has a first segment positioned to the front and a second segment positioned to the rear. The first segments of the two light guiding pipes are positioned outside the shielding cage and the second segments of the two light guiding pipes pass through the aperture and enter into the rear segment of the receiving space of the shielding cage.

An electrical connector that includes an outer conductive shell that encloses at least one signal contact therein and includes a front end for mating with a mating connector and a back end opposite the front end for electrically connecting to a printed circuit board. A primary ground connection is located inside or outside of the outer conductive shell, the primary ground connection being configured to electrically engage the mating connector with the printed circuit board or coaxial cable. A secondary ground connection is located inside or outside of the outer conductive shell and is configured to electrically engage the mating connector with the printed circuit board or the coaxial cable.

An electrical connector that includes an outer conductive shell that encloses at least one signal contact therein and includes a front end for mating with a mating connector and a back end opposite the front end for electrically connecting to a printed circuit board. A primary ground connection is located inside or outside of the outer conductive shell, the primary ground connection being configured to electrically engage the mating connector with the printed circuit board or coaxial cable. A secondary ground connection is located inside or outside of the outer conductive shell and is configured to electrically engage the mating connector with the printed circuit board or the coaxial cable.

A terminal module includes a circuit board having: an upper layer having a row of upper conductive pads; a lower layer having a row of lower conductive pads; a first upper signal layer having upper conductive vias and a first upper inner conductive trace connecting with corresponding upper conductive pads through the upper conductive vias; a first lower signal layer having lower conductive vias and a first lower inner conductive trace connecting with corresponding lower conductive pads through the lower conductive vias; and a ground isolation layer; and a row of upper mating terminals connected to the upper conductive pad, and a row of lower mating terminals connected to the lower conductive pad; wherein neither the upper conductive via nor the lower conductive via passes through the ground isolation layer, and the ground isolation layer shields electromagnetic interference between the upper mating terminals and the lower mating terminals.

A terminal module includes a circuit board having: an upper layer having a row of upper conductive pads; a lower layer having a row of lower conductive pads; a first upper signal layer having upper conductive vias and a first upper inner conductive trace connecting with corresponding upper conductive pads through the upper conductive vias; a first lower signal layer having lower conductive vias and a first lower inner conductive trace connecting with corresponding lower conductive pads through the lower conductive vias; and a ground isolation layer; and a row of upper mating terminals connected to the upper conductive pad, and a row of lower mating terminals connected to the lower conductive pad; wherein neither the upper conductive via nor the lower conductive via passes through the ground isolation layer, and the ground isolation layer shields electromagnetic interference between the upper mating terminals and the lower mating terminals.

A high voltage side hold-down includes a flat-plate shaped reinforcing plate part, a solder leg projecting downward from the reinforcing plate part, and a hold-down elastic piece supported like a cantilever beam by the reinforcing plate part. The hold-down elastic piece includes an elastic piece body, a contact part projecting upward beyond a CPU board opposed surface, and a displacement restriction part for restricting upward displacement of the contact part, sequentially from the base to the end of the hold-down elastic piece. A housing is formed in such a way that the contact part does not come into contact with the housing when the contact part is displaced downward and no longer projects upward beyond the CPU board opposed surface.

A multi-level, multi-connector assembly that may include high-speed, low-speed and power terminals is protected from electromagnetic interference. The multi-level, multi-port connector assembly includes a bottom port connector connected with a circuit board, a top port connector positioned over the bottom port connector, and an electromagnetic shielding cage positioned over both the top port connector and the bottom port connector to provide shielding from a range of electromagnetic interference (EMI) for the top port connector and the bottom port connector. Each of the top and bottom port connectors comprise power and communication signal conductors, where the signal conductors are operable to conduct at least high-speed communication signals.

An electrical connector includes a plurality of signal terminal groups. Each signal terminal group includes a plurality of signal terminals having a first contact portion and a second contact portion, wherein the first contact portion has relatively more elasticity and the second contact portion has relatively less elasticity comparatively. The first contact portion and the second contact portion of each signal terminal are staggered with respect to each other. The connector includes a plurality of grounding members corresponding to the terminal groups, each having two side walls and a rear wall integrally constructed to surround a corresponding signal terminal group from at least three sides, two ground terminals integrally constructed positioned at a left side and a right side, third contact portions having relatively more elasticity, and fourth contact portions having relatively less elasticity, the third contact portion and the fourth contact portion are staggered with respect to each other.

The cable assembly includes a first wire assembly. The first wire assembly is connected to a first connector and a second connector. The first connector includes a shell and the shell includes an extension. The extension extends away from the rear of the connector. In one embodiment, the extension is integral with the shell. The extension includes one or more openings. The first wire assembly is bent in a controlled manner at first bend. The first opening in the extension maintains the first wire assembly in the bent position to maintain control of the radius in first bend. The radius is controlled to allow the first wire assembly to fit in a small space.

The cable assembly includes a first wire assembly. The first wire assembly is connected to a first connector and a second connector. The first connector includes a shell and the shell includes an extension. The extension extends away from the rear of the connector. In one embodiment, the extension is integral with the shell. The extension includes one or more openings. The first wire assembly is bent in a controlled manner at first bend. The first opening in the extension maintains the first wire assembly in the bent position to maintain control of the radius in first bend. The radius is controlled to allow the first wire assembly to fit in a small space.