An SFP socket connector is disclosed in this invention. In a socket housing of the SFP socket connector, one row of upper terminal-receiving grooves are located on an inner side of a top wall and extend to a mounting space, and some of the other row thereof are formed between upper support bars and extend to the mounting space. One row of lower terminal-receiving grooves are located on an inner side of a bottom wall and extend to the mounting space, and some of the other row thereof are formed between lower support bars. The shielding case has an upper port aligned with two rows of upper terminal-receiving grooves and a lower port aligned with two rows of lower terminal-receiving grooves. Multiple terminal assemblies are mounted in the socket housing and are arranged side by side in the order of ground-signal-signal.

An electrical header for use in an electrical connector assembly includes a body adapted to mount to an object and having an opening formed therethrough for receiving an electrical terminal. The body further defines a plug on a first side thereof and adapted to engage with a mating electrical connector of the assembly. The plug includes a pair of first opposing sidewalls extending from the body and defining a locking feature adapted to engage with a corresponding locking feature of the mating connector, and a pair of second opposing sidewalls extending from the body and defining a keying feature. The first and second pairs of opposing sidewalls are adapted to mate with a first mating connector oriented in a first direction, and mate with a second mating connector oriented in a second direction distinct from the first direction.

A probe cover which is to be attached to a socket that is configured to support a plurality of contact probes, includes: a base; two positioning pins which are disposed on the base; and at least one supporting member which is disposed on the base. The two positioning pins and the supporting member are capable of positioning the base in a state where the base is separated from the socket by a predetermined distance, and a mutual separation distance between the two positioning pins is changeable.

The seating systems comprise a seat module and a seat track assembly comprising a plurality of seat-receiving regions, a seat track, and an electrical distribution system. The electrical distribution system comprises a plurality of track electrical contacts disposed along the seat track in the seat-receiving regions. The seat module comprises a base coupler configured to couple with the seat track at any seat-receiving region and a seat module electrical system having a seat electrical contact. The base coupler and the seat track are configured to position the seat electrical contact in connection with the track electrical contact of any seat-receiving region to which the base coupler is coupled. The methods comprise coupling the base coupler to a seat-receiving region, which comprises forming a connection between the seat electrical contact and the respective track electrical contact of the seat-receiving region, and providing electricity to the seat module via the electrical connection.

The seating systems comprise a seat module and a seat track assembly, a seat track, and an electrical distribution system. The electrical distribution system comprises a plurality of track electrical contacts disposed along the seat track. The seat module comprises a base coupler configured to couple with the seat track and a seat module electrical system having a seat electrical contact. The base coupler and the seat track are configured to position the seat electrical contact in connection with the track electrical contact to which the base coupler is coupled. The methods comprise coupling the base coupler to a seat module, which comprises forming a connection between the seat electrical contact and the respective track electrical contact, and providing electricity to the seat module via the electrical connection.