Abstract: A device which is surface mountable to a printed circuit board. The device includes a housing, an optical sub-assembly, and an electrical connector. The housing includes a fiber optic connector receptacle and a bottom side. The housing is made of an electrically conductive material. The optical sub-assembly is associated with the fiber optic connector receptacle. The electrical connector has contacts, where some portions of the contacts extend into the housing and some portions of the contacts extend from the housing. A portion of the contacts being in a same plane with the bottom side of the housing.

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 fiber optic plug for connecting to a receptacle of a small format optoelectronic package or device. The fiber optic plug includes a body and ferrules attached to the body. Each ferrule has an aperture for receiving and holding an optical fiber and each ferrule has a diameter substantially equal to 1.25 mm. The aperture of each adjacent ferrule is separated by a distance of approximately 3.125 mm. The ferrules exist in a plane.

Abstract: A method of forming a multi-terminator optical interconnect system. The method including the steps of molding and mating. The step of molding includes molding two ferrule halves where each ferrule half has a mating end and a fiber-receiving end and an alignment tang. The mating end includes multiple fiber-alignment grooves. Each ferrule half also has hole for receiving a guide pin. The step of mating includes mating two of the ferrule halves to each other so as to form a ferrule structure.

Abstract: An assembly including a fiber optic cable assembled with a one-piece ferrule where a gap exists between the fiber optic cable and the ferrule. When the fiber optic cable is mounted to the ferrule, the optical fiber is positioned within a small opening and the sheath is positioned within a large opening of the ferrule. The gap exists between the optical fiber and the small opening. The metallic material is then adhered to a portion of the optical fiber and to a portion of the ferrule so as to form the hermetic seal at the gap. The layer of the metallic material can be deposited by way of a metal vapor deposition process. Another assembly may include multiple fiber optic cables trapped between two substrates where any gaps formed between the two substrates are hermetically sealed with a metallic material.

Abstract: An optoelectronic interconnect module comprising a housing having a first aperture on a first side of the housing for receiving an optical ferrule and a second aperture on a second side of the housing for receiving a semiconductor die. A mirror is mounted within the housing at an angle for reflecting optical transmissions between the first and second apertures. A first optical lens is mounted between the first aperture and the mirror, and a second optical lens is mounted between the second aperture and the mirror. The optoelectronic interconnect module transmits an electronically modulated optical signal between an optical fiber in the first aperture and an optoelectronic semiconductor die adjacent to the second aperture within a mutually orthogonal plane.

Abstract: A connector for mounting to and through a wall of a device. In one form of the invention a connector is used for mounting to and through a wall of a device. The connector includes a body, an optical fiber, and a sealant. The body includes a surface having an aperture. The optical fiber has a length and a first end and a second end. A portion of the length of the optical fiber being metallized. The optical fiber passes through the aperture of the surface of the body and the metallized portion of the optical fiber is attached to the aperture of the surface of the body so as to form a hermetic seal between the optical fiber and the aperture of the surface of the body. The sealant is located between the body and the surface of the device so as to provide a hermetic seal between the body and the wall of the device when the body is urged toward the wall of the device thus deforming the sealant. The connector allows an optical signal to be transmitted within the optical fiber through the body.

Abstract: Automatic power control (APC) is provided by a) a variable output voltage differential receiver/driver, which receiver is responsive to data signals for generating a voltage, the laser driver output voltage amplitude being controlled by a first potentiometer on an integrated circuit generating an AC current signal for summing with a DC current signal to provide a laser drive current signal to b) a laser transmitter having a laser diode, said laser diode for producing optical power over an optical transfer medium and a photodiode for producing a feedback signal in response to said optical power, the APC including c) a power stabilizing circuit including an error amplifier, a second potentiometer and a bias current drive transistor, the error amplifier having inputs for both the feedback signal and a voltage reference to generate an output control signal, the second potentiometer affecting said output control signal, and said bias current drive transistor being responsive to said output control signal for suppl

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 pluggable transceiver module having a housing with a first side and a face perpendicular to the first side, and a tab extending beyond the surface of the first side, and the tab sized to mate with a slot in a receptacle of a host device for receiving the pluggable transceiver module housing, an elongated member slidably mounted to the first side of the housing and having an internal end and an external end, a wedge on the internal end of the elongated member, wherein sliding the elongated member inward causes the wedge to slide between the tab and the slot on the receptacle and remove the tab from within the slot, thereby releasing the pluggable transceiver module from the receptacle, and a lever rotatably mounted via an axle proximate the face of the pluggable transceiver module, said axle being connected to the external end of the elongated member such that rotating the lever away from the face of the pluggable transceiver cause the rotating axle to push the elongated member inward and drive the wedge bet

Abstract: A fiber optic ferrule receptacle with a single-molded housing having a base, a cylinder on a first side of the base having a bore for receiving an optic ferrule, a socket on a second side of the base, opposing the first side, for receiving an optical element; and the bore having a first diameter at an outer opening distal to the base, and a second diameter at an inner opening adjacent to the base, wherein the first diameter is greater than the second diameter. A second embodiment comprises a single-molded housing having a base, a cylinder on a first side of the base having a bore for receiving an optic ferrule, a socket on a second side of the base, opposing the first side, for receiving an optical element; and a plurality of sloping ridges located on the inner wall of the cylinder, wherein widths of the sloping ridges increase closer to the base.

Abstract: A device or array of arrayed optical subassemblies includes modular units called one channel sub-assemblies. Each of the one channel sub-assemblies includes a small format optical subassembly attached to a substrate and an optical coupling element all of which is connected to a base. The optical coupling element includes a focusing element and a ferrule receiving bore. The arrayed device makes it possible to remove and replace one of the one channel sub-assemblies with another one channel sub-assembly. The small format optical subassembly of the one channel sub-assembly may be a transmitter or a receiver. Thus, the device is a modular, high-density, multiple optical transmitter/receiver array.

Abstract: A device including two modules is provided for transferring data signals from a first transmission medium to a second transmission medium. One module includes a conductive housing having a first end and a second end. An electrical connector is mounted at the first end of the housing and is configured to mate to a corresponding connector associated with the first transmission medium. The housing includes a flexible metallic shielded cable extending from the second end. The remote end of the shielded cable is connected to the second module which is configured to mate to a corresponding connector associated with the second transmission medium. The device is pluggable into two system hosts, simultaneously. The modules are each hot pluggable. The device acts as a serial patch cord between the two system hosts, with a standard form factor module plugged into the system hosts at either end.

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: The transceiver includes a housing, a transmitting optical sub-assembly mounted in the housing, a receiving optical sub-assembly mounted in the housing, a first electrical connector associated with the transmitting optical sub-assembly, a second electrical connector associated with the receiving optical sub-assembly, and an electro-magnetic shield mounted on the housing. The housing includes a first fiber optic connector receptacle, a second fiber optic connector receptacle, and a first side, and the housing is made of an electrically conductive material.

Abstract: A pluggable optical transceiver module includes two optoelectronic devices mounted to a printed circuit board, and a High Speed Serial Data Connector connected to the printed circuit board. The printed circuit board, and associated optoelectronic devices and the High Speed Serial Data Connector being mounted in a housing. One of the two optoelectronic devices is a transmitter. The other of the two optoelectronic devices is a receiver. The pluggable optical transceiver module converts optical signal to electrical signals, and, also, converts electrical signals to optical signals. The High Speed Serial Data Connector is pluggable into a High Speed Serial Data Connector receptacle of a host device. Another portion of the module may have ports for receiving LC style fiber optic connectors.

Abstract: A small format optoelectronic package or device includes a non-electrically conductive substrate partially covered by an electrically conductive can. The electrically conductive can has a transparent element affixed to an aperture of the electrically conductive can. The electrically conductive can encloses and hermetically seals an optical diode, and conductors between the electrically conductive can and the non-electrically conductive substrate. The non-electrically conductive substrate has two through-holes formed through a thickness of the non-electrically conductive substrate. The two through-holes are filled with an electrically conductive material so as to form two electrically conductive vias. Additionally, a surface of the non-electrically conductive substrate is organized into two regions. The first region has the electrically conductive plating material applied thereto. The first and second through-holes protrudes through the second region.

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 robust optoelectronic transceiver module which is quick, easy, and inexpensive to manufacture. The transceiver module has a main housing which consists of a circuit board having an optical subassembly mounted thereon. The module housing may be pluggable via a retention member received within the receptacle. The module and receptacle assembly may include grounding means such as a ground clip mounted within a gap provided between the module and a connector port of the receptacle to limit electromagnetic emissions.

Abstract: An interface converter module is provided for converting data signals from a first transmission medium to a second transmission medium. The module is housed within a metallized housing having a first end and a second end. A shielded electrical connector is mounted at the first end of the housing and configured to mate to a corresponding connector associated with a first transmission medium. The housing includes a flexible metallic shielded cable having extending from the second end. The remote end of the shielded cable comprises the media interface which includes and interface connector configured to the connect the flexible shielded cable to the serial transmission medium. A printed circuit board is mounted within the housing and has mounted thereon electronic circuitry configured to convert data signals from a host device transmission medium to the second transmission medium.