Abstract: A communications transceiver includes a jack housing which, in turn, includes portions defining a recess for receiving a mating plug therein. Signal connector elements are provided within the recess for establishing inbound and outbound signal paths with corresponding signal connector elements of the mating plug. A circuit board within the jack housing preferably comprises an electrically conductive layer defining a first internal electromagnetic interference (EMI) shield. Accordingly, at least one first circuit device being susceptible to EMI is mounted on a first side of the circuit board, and at least one second circuit device generating EMI and is mounted on the circuit board on a second side thereof opposite the first side. The first internal EMI shield extends between the at least one first circuit device and the at least one second circuit device. The transceiver may include an electrically conductive layer on outer surface portions of the jack housing defining an external EMI shield.

Abstract: A communications transceiver includes a jack housing which, in turn, includes portions defining a recess for receiving a mating plug therein. Signal connector elements are provided within the recess for establishing inbound and outbound signal paths with corresponding signal connector elements of the mating plug. A circuit board within the jack housing preferably comprises an electrically conductive layer defining a first internal electromagnetic interference (EMI) shield. Accordingly, at least one first circuit device being susceptible to EMI is mounted on a first side of the circuit board, and at least one second circuit device generating EMI and is mounted on the circuit board on a second side thereof opposite the first side. The first internal EMI shield extends between the at least one first circuit device and the at least one second circuit device. The transceiver may include an electrically conductive layer on outer surface portions of the jack housing defining an external EMI shield.

Abstract: An optical transceiver module includes a transmitter portion and receiver portion positioned within a housing with an EMI shield therebetween, and wherein the transmitter and receiver portions include respective substrates, or circuit boards, with opposing and spaced apart major surfaces. The port density, when using a plurality of such modules, is increased, while providing enhanced EMI shielding. Each circuit board may include a ground plane and have a plurality of generally L-shaped conductive leads extending outwardly from the respective circuit boards. The optical transmitter and optical receiver portions each preferably further comprise at least one active component mounted on the first major surfaces. Accordingly, these active components face one another.

Abstract: A switched communications device includes a multi-port jack housing having portions defining a plurality of recesses extending inwardly from the front for receiving respective mating plugs. Signal connectors are preferably positioned within each of the recesses and define respective communications ports. A circuit board is positioned within the multi-port jack housing and preferably extends adjacent the back. The switched communications device preferably includes at least one switched communications processor mounted on the circuit board and connected to the plurality of communications ports for processing inbound and outbound communications signals so that the signals are switched among the communications ports. A switched communications processor preferably communicates with two or more of the communications ports. The signal connectors may be electrical and/or optical, and may be compatible with an RJ-45 jack. An internal EMI shield may be provided in the circuit board.

Abstract: A shared communications device includes a multi-port jack housing having portions defining a plurality of recesses extending inwardly from the front for receiving respective mating plugs. Signal connectors are preferably positioned within each of the recesses and define respective communications ports. A circuit board is positioned within the multi-port jack housing and preferably extends adjacent the back. The shared communications device preferably includes at least one shared communications processor mounted on the circuit board and connected to the plurality of communications ports for processing inbound and outbound communications signals so that the signals are shared among the communications ports. A shared communications processor preferably communicates with two or more of the communications ports. In embodiments including a plurality of shared communications processors, a communications repeater bus is provided on the circuit board interconnecting the shared communications processors.

Abstract: A communications device includes a multi-port jack housing having portions defining a plurality of recesses extending inwardly from the front for receiving respective mating plugs. Signal connectors are preferably positioned within each of the recesses and define respective communications ports. A circuit board is positioned within the multi-port jack housing and preferably extends adjacent the back. The communications device preferably includes at least one communications processor mounted on the circuit board and connected to the plurality of communications ports for processing inbound and outbound communications signals. A communications processor preferably communicates with two or more of the communications ports. In embodiments including a plurality of communications processors, a communications bus is provided on the circuit board interconnecting the communications processors. The signal connectors may be electrical and/or optical, and may be compatibility with an RJ-45 jack.

Abstract: An opto-electric jack is provided which can be used as a drop-in replacement for a standard electrical jack such as an RJ-type or D-subminiature type jack. The opto-electric jack includes housing having a receptacle for receiving an optical plug which is coupled to a fiber optic cable, and a plurality of electrical terminals for connection to an electrical circuit. Preferably, the terminals are arranged in a predetermined array which corresponds to the terminal array (or footprint) of a standard electrical jack. An opto-electric conversion circuit is disposed within the housing, and is operable to convert optical signals received from the optical plug into electrical signals for transmission to the electrical circuit via the terminals, and to convert electrical signals received from the electrical circuit via the terminals into optical signals which are transmitted to the optical plug.

Abstract: The controlled impedance, low cross-talk, high density, EMI shielded electrical connector assembly comprises a receptacle connector and a plug connector for interconnecting circuits on mother and daughter printed circuit boards arranged orthogonally or in other configurations. Each of the receptacle and plug connectors comprises in preferable form, four rows of electrical contacts arranged in two outer and two inner rows. One set of inner rows and outer rows is each supported in an insulator of dielectric material which surrounds each contact and extends between an outer and inner row in each set. The contacts in the outer rows of each set are staggered with respect to the contacts in the inner rows. A conductive housing extends along the outer rows of contacts and further comprises a portion disposed adjacent the inner rows of contacts, the housing serving as a ground plane when connected to the boards.

Abstract: An improved electrical filter connector comprises a capacitor sub-assembly including an insulative substrate, a plurality of capacitors soldered thereto and a ground spring. The ground spring is soldered to the ground terminations of the capacitors, the ground spring having a resilient portion for electrical engagement with conductive ground traces on a system circuit board. First terminations of the capacitors are electrically individually connected to respective contacts of the electrical connector. Second capacitor terminations are electrically connected to the ground strip. The capacitors are preferably of the discrete, monolithic chip type, having a dielectric body spaced between the electrical terminations thereof. A quantity of curable dielectric material is disposed on the dielectric bodies between each of the capacitor terminations to provide an enhanced dielectric medium to increase the capability of the connectors to withstand higher voltages during power surges.

Abstract: An improved method of making an electrical filter connector includes the steps of providing a substrate with a plurality of metallized openings therethrough for electrical individual attachment to electrical contacts of the connector. The substrate is further provided with a metallized strip on a surface thereof spaced from the metallized openings. A plurality of capacitors are attached to the substrate. First conductive capacitor terminations are individually electrically attached to respective portions of the metallized openings and second conductive capacitor terminations are electrically attached in common to the metallized strip. A curable dielectric material is applied onto the dielectric body of each capacitor between each of the conductive terminations thereof. Each of the electrical contacts of the connector is electrically attached to a respective one of the metallized openings of the substrate.

Abstract: An electrical connector for terminating shielded flat multi-conductor cable is divided. The connector includes a housing having a metal connector shell. A conductive clip is provided which engages in unison contacts of the connector associated with the ground conductors of the cable. The conductive clip also engages the metal shell of the connector housing. The conductive clip provides a ground reference for the connector and for the cable at its terminated end.

Abstract: Termination of flat cable is effected with connectors fed individually from a reel having a wound substrate with connectors releasably secured thereto. The connectors are seated in a crimping device and elongate such cable is fed to the crimping device along the cable longitudinal axis. Cable guide and registration apparatus is also disclosed, as is a control system.

Abstract: Termination of flat cable is effected with connectors fed individually from a reel having a wound substrate with connectors releasably secured thereto. The connectors are seated in a crimping device and elongate such cable is fed to the crimping device along the cable longtudinal axis. Cable guide and registration apparatus is also disclosed, as is a control system.