Abstract: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a front opening of the housing at a mounting location positions the connector of the module for insertion into and mating with the adapter of the housing. The adapters within the interior of the housing are mounted to a removable holder. A method of mounting a telecommunications module within a chassis.

Abstract: The present invention relates to an improved isolated core or insulated conductor with a low dielectric constant and reduced materials costs. Apparatuses and methods of manufacturing the improved isolated core or insulated conductor are also disclosed.

Abstract: Systems and methods for complex optical modulation for real time communication are provided. In one embodiment, a method for real time optical transmission of communications data comprises: generating first in phase (I) and quadrature phase (Q) components of from a first serial bit stream of digitized radio frequency (RF) samples, wherein the digitized RF samples carry a payload of samples of an RF carrier signal which has been modulated with baseband data; modulating an optical signal based on the in phase (I) and quadrature phase (Q) components to produce a complex modulated optical signal; transmitting the complex modulated optical signal over a fiber optic connection; demodulating in real time, second in phase (I) and quadrature phase (Q) components from the complex modulated optical signal; and generating a second serial bit stream of digitized RF samples from the second in phase (I) and quadrature phase (Q) components.

Abstract: The present disclosure is directed at an interbay management system including a front spacer, a rear spacer, and an optional mid spacer that are coupled together and connected to a cable management panel. The assembly can be secured adjacent to or between distribution frames. The modular construction of the spacer allows for easy installation, and the variable length enables the spacer to be easily configured to correspond to the type and size of the telecommunication components that are to be supported in the distribution frame.

Abstract: Methods and systems for controlling optical power attenuation are provided. A method comprises periodically measuring an optical power of an optical signal received by an optical receiver and periodically measuring a first attenuation control signal voltage. When the optical power measurement is outside a target power range, the method continues with calculating a target voltage necessary to maintain the optical power measurements at a target power level; calculating a second attenuation control signal based on the target voltage, wherein the second attenuation control signal is calculated to provide an over-damped transient response that maintains the second attenuation control signal within a usable range of a variable optical power attenuator; applying a second attenuation control signal voltage based on the second attenuation control signal to the variable optical power attenuator; and adjusting attenuation of the optical signal based on the second attenuation control signal voltage.

Abstract: The present disclosure relates to a telecommunications distribution cabinet having a cabinet housing in which a first swing frame and a second swing frame are pivotably mounted.

Abstract: A coaxial panel comprising a frame with a plurality of openings and a mounting frame for holding a plurality of coaxial jacks that is mounted to the frame is disclosed. Each mounting frame includes an exterior surface that includes an intermating structure for slidably coupling a first mounting frame to a second identical mounting frame in a sliding direction either in a vertical orientation or a horizontal orientation. The intermating structure configured such that two coupled mounting frames cannot be pulled apart in a direction generally perpendicular to the sliding direction. The coaxial jacks mounted to the mounting frame and the mounting frame include slidably intermating alignment structures for aligning front coaxial cable connection locations of the coaxial jacks with the plurality of openings in the frame.

Abstract: A cabinet is provided for managing the connections between a feeder cable and a distribution cable wherein the distribution cable is a blown optical fiber. The cabinet includes shelves for holding splices between the feeder cable and the distribution cable. The shelves also include microduct holders for holding each of the microducts associated with the distribution cable.

Abstract: The present invention relates to methods and systems for minimizing alien crosstalk between connectors. Specifically, the methods and systems relate to isolation and compensation techniques for minimizing alien crosstalk between connectors for use with high-speed data cabling. A frame can be configured to receive a number of connectors. Shield structures may be positioned to isolate at least a subset of the connectors from one another. The connectors can be positioned to move at least a subset of the connectors away from alignment with a common plane. A signal compensator may be configured to adjust a data signal to compensate for alien crosstalk. The connectors are configured to efficiently and accurately propagate high-speed data signals by, among other functions, minimizing alien crosstalk.

Abstract: Systems and methods for Venturi fan-assisted cooling of electrical equipment are provided. In one embodiment, a cooling unit for an enclosure housing electronics is provided. The cooling unit comprises: a fan shroud having at least one electrical fan; and a Venturi chamber having a first inlet for receiving a heated airflow from a heatsink, a second inlet for receiving an airflow from a surrounding environment, and an outlet coupled to the fan shroud, the fan drawing air from the Venturi chamber via the outlet when the fan is on. The Venturi chamber comprises a wall for directing the airflow air from the surrounding environment in from the second inlet and across the heated airflow from the heatsink in a manner to as to draw the heated airflow through the heatsink using a Venturi effect, when the fan is on.

Abstract: The invention relates to a plug-in connector for printed circuit boards, comprising a plurality of contact elements, whereby said contact elements have two connecting faces each. The one connecting face is configured as an insulation displacement contact for connecting cores and the other connecting face is configured as a tuning fork contact for contacting contact surfaces on a printed circuit board. The insulation displacement contacts of the contact elements can be inserted into a plastic housing. The insulation displacement contact and the tuning fork contact are arranged in a rotational manner in relation to each other and the contact element is supported on the plastic housing by at least one edge, such that the contact elements are captivated in the plastic housing when connecting forces act upon the insulation displacement contacts. The plastic housing is embodied as a single piece and the part receiving the tuning fork contact is at least partially elastic.

Abstract: A scheduler schedules a plurality of periodic events. Each periodic event has an associated periodic interval of time and an associated set of services. The scheduler determines when one of the plurality of periodic events occurs and distributes the execution of the services associated with that periodic event during a next periodic interval of time associated with that periodic event following the occurrence of that periodic event. The services can be enabled and disabled. This allows the services to be executed, for example, in one-shot, burst, and continuous modes.

Abstract: A chassis and associated telecommunication circuit card are disclosed. The chassis has heat dissipation structures and may accommodate a high density of the circuitry cards. Embodiments may include one surface with one or more ridges for rigidity and ventilation and fin slots for receiving circuit card guide fins. Embodiments may include a surface with knockouts for receiving circuit card guides. Embodiments may also include multiple bracket hole patterns for mounting brackets for different racks or for a single multi-rack bracket having more than one mounting hole pattern. The circuit card includes conductor structures such as multiple board layers with paired and segregated conductors. The circuit card also includes some components positioned to cooperate with the ventilation structures of the chassis and includes some components chosen for low-power consumption or reduced flammability.

Abstract: An interface converter is provided for mechanically and optically coupling a fiber optic connector with an adapter port. In a preferred embodiment, the interface converter attaches to an SC fiber optic connector and together form a converted fiber optic connector compatible with the adapter port. In certain embodiments, a retractable release sleeve may be removed from the SC fiber optic connector prior to attaching the interface converter. In certain embodiments, the interface converter may be inserted into the adapter port prior to being attached to the SC fiber optic connector.

Abstract: A grounding comb, in particular for a plug-type connector for printed circuit boards, includes a carrier on which laterally sprung contact lugs are arranged. The contact lugs are positioned exactly opposite one another on the two longitudinal sides of the carrier. The grounding comb allows for improved integration of surge arresters (e.g., two-pole arresters).

Abstract: A fiber distribution hub includes a swing frame chassis pivotally mounted within an enclosure. The swing frame chassis includes a splitter mounting location at which optical splitters can be mounted and an optical termination field. The optical termination field includes multiple fiber optic adapters.

Abstract: A fiber distribution system includes one or more fiber distribution hubs (FDHs) that provide an interface at a termination panel between incoming fibers routed from a central office and outgoing fibers routed to network subscribers. Termination modules can be incrementally added to the termination panel. The FDH can include one or more optical splitter modules that split an optical signal into two or more signals. The optical splitter modules can be incrementally added along with one or more storage modules. The subscriber termination panel, optical splitters, and storage modules can be provided on a swing frame.

Abstract: A hinge comprises a first member having a protrusion, wherein the protrusion has a cam profile shape; and a second member having a cavity operable to receive the protrusion, wherein a cam profile shape of the cavity corresponds to the cam profile shape of the protrusion such that, when the protrusion is in a first position, a gap is present between the second member and the protrusion and, when the protrusion is in a second position, substantially no gap is present between the second member and the protrusion.

Abstract: A fiber distribution system includes one or more fiber distribution hubs (FDHs) that provide interface at a splice panel and/or a termination panel between incoming fibers routed from a central office and outgoing fibers routed to network subscribers. Splice trays, termination modules, splitter modules, and storage modules can be incrementally added to the FDH. The termination modules, optical splitters, and storage modules can be provided on a swing frame chassis within the FDH cabinet.