Abstract: A modular power distribution system comprises a chassis; and a backplane including a power input, and a plurality of module connection locations. A plurality of modules are mounted in the chassis, each module mounted to one of the module connection locations. Each module includes: (i) an OR-ing diode; (ii) a circuit protection device; (iii) a microprocessor controlling the circuit protection device; and (iv) a power output connection location. A circuit option switch is located on each module for setting the current limits for each module. A control module is provided connected to the backplane.

Abstract: A device and method of blocking customer access to a fiber optic distribution cable. A service blocker is positioned between a fiber distribution cable and a customer drop cable within a fiber optic adapter. The service blocker includes a unitary body which does not permit optical transmission between the fiber distribution cable and the customer drop cable. The service blocker includes a first end configured to be inserted within the fiber optic adapter and a second end configured receive a fiber optic cable connector. A system for mounting fiber optic cables including a service blocker positioned within a bulkhead mounted adapter between two fiber optic cables.

Abstract: A bidirectional communication system is provided. The system includes a first remote unit for communicating with a host unit using orthogonal frequency division multiplexing. The host unit is communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The first remote unit is configured to transmit up to a plurality of tones and the first remote unit includes a modulator for modulating the plurality of tones with upstream information using orthogonal frequency division multiplexing such that when any tones are transmitted from the first remote unit and at least one other remote unit of the plurality of remote units, the tones are substantially orthogonal when received at the host unit.

Abstract: A coaxial cable splitter including an integral body with a first cable connection, a second cable connection and a third cable connection, each defining an axis. The second cable connection is a crimp sleeve, the first cable connection is a coaxial connector, and the axes are generally parallel to each other. The third cable connection is a coaxial cable connector and the axis is at an angle to the axes of the first and second cable connections. The first and third cable connections each include a center conductor which are electrically linked. The first and third cable connections each include an outer shell positioned about the center conductor which are electrically linked. A method of assembling a coaxial cable splitter with an integral body.

Abstract: An apparatus for dissipating heat from a device is provided. The apparatus includes a heat sink having an elongated shape and defining a groove. A heat spreader composed of a non-isotropic thermal conductor is positioned at least partially within the groove of the heat sink and thermally coupled to the heat sink. The heat spreader is oriented such that the thermal conductor propagates heat along a length of the heat sink. A heat channel composed of a non-isotropic thermal conductor is positioned at least partially within the groove of the heat sink and thermally coupled to the heat spreader. The heat channel is oriented to propagate heat towards the heat spreader.

Abstract: A power line communications coupler for effecting signal coupling between electric signalling equipment and an electric power system, said coupler including a fuse coupleable to a power line of said electric power system; and a signal coupler in electrical communication with said fuse and being couplable to said signalling equipment.

Abstract: A cable trough system includes a trough member including a base wall and first and second sidewalls extending from the base wall to form a trough. The system also includes a cover including a main body with a first end and a second end, and first and second hinge portions coupled to the first and second ends of the main body. Each of the first and second hinge portions includes a first member that extends to an end positioned to contact an inner surface of the first sidewall, a second member that defines an arm that is positioned to at least partially contact the first sidewall, and an extension member that extends from the second member in a direction opposite to that of the arm. The first and second members have a space therebetween sized to receive a portion of the first sidewall.

Abstract: A splitter module for a fiber distribution hub includes a main body with a first aperture configured to receive an input fiber entering the splitter module, and a second aperture configured for a plurality of distribution fibers exiting the splitter module. The splitter module also includes a fin configured to be received in a slot of a splitter tray of a fiber distribution hub, and a pin configured to engage a hole in the splitter tray. The fin is received in the slot, and the pin is received in the hole of the fiber distribution hub to couple the splitter module to the fiber distribution module.

Abstract: The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing telecommunications cables having layers adapted to resist post-extrusion shrinkage.

Abstract: An electrical connector (100) comprises the following: (a) a first element (102) having an opening (114) for receiving an electrical cable (116), (b) a second element (104, 106) coupled to an electrical connector element (108), wherein the first element is coupled to the second element in order to define a cavity between the first and the second elements, wherein the connector element is in electrical contact with the cable in the cavity, and (c) an adjustable insulating shield (110) that is movable between a first position and a second position relative to the second element, such that a conductive contact section of the connector element is exposed for direct contact when the shield is moved to the first position, and that the shield covers the section in order to restrict direct access to the section when the shield is moved to the second position.

Abstract: The invention relates to an adapter (1) for sleeves (20) with elastomer cable seals (28), comprising at least one tubular element (3) and a support element (2), the support element (2) comprising means for fastening the support element (2) to a lower housing part (21) of a sleeve (20) and to a method for introducing a fiber-optic cable into a sleeve (20) using an adapter (1).

Abstract: A system and method for enhancing the performance of wideband digital RF transport systems is disclosed, which enables the transport of different bandwidth segments on a plurality of wideband channels by selecting an optimal clock sample rate for each bandwidth segment to be transported. Thus, the bandwidth segments are proportionally allocated so that an optimum amount of bandwidth can be transported at the serial bit rate. As one example, a system for enhancing the performance of a wideband digital RF transport system is disclosed, which includes a transmit unit, a receive unit, and an optical transmission medium connected between the transmit unit and the receive unit. The transmit unit includes a plurality of wideband RF analog signal inputs coupled to a plurality of analog-to-digital, digital down-converter (A/D DDC) devices. Notably, the sample rate of each A/D DDC device is determined by a respective sample clock.

Abstract: A unit for use in a communication system comprises a communication module having an oscillator configured to generate a master clock signal; a plurality of conversion modules; and a distribution component configured to distribute the master clock signal from the communication module to each of the plurality of conversion modules. Each of the plurality of conversion modules comprises a filter configured to filter the master clock signal; and a converter configured to use the filtered master clock signal in converting between analog and digital signals.

Abstract: In one embodiment, a first device for communicating over a digital-subscriber-line (DSL) line comprises a digital-subscriber-line transceiver to transmit and receive data over the DSL link. A set of one or more performance parameters are associated with the DSL link by which the quality of the DSL link can be determined. The first device further comprises a controller coupled to the digital-subscriber-line transceiver. The controller causes a non-intrusive transmitter adjustment operation to be performed by the digital-subscriber-line transceiver.

Abstract: Telecommunications chassis and associated modules for use with the telecommunications chassis are disclosed. Embodiments of the telecommunications chassis include structures such as horizontal channels and/or horizontal surfaces with ridges and/or slots in one surface and slots in ridges of another for receiving edges of modules that mount within the chassis. Other structures of embodiments include divider slots in the horizontal surfaces that receive edges of divider walls to fix the divider walls in place, heat baffle surfaces included within the chassis, and/or cable guides with radius limiters. Module embodiments include structures such as faceplates with angled portions with fiber optic cable connections directed toward the fiber cable's direction of travel. Other module structures include shells that enclose the circuit board and/or provide angled portions with fiber optic cable connections.

Abstract: A telecommunications cable management system includes trough elements including a planar top surface and sides for cable routing and management. The trough elements are made from separate parts assembled together with a mating arrangement. The mating arrangement allows assembly of the system on site, such as by snapping the parts together. The trough elements are then assembled together to form the cable management system.

Abstract: A method for determining an end of a first period in which signals are communicated in a first direction is provided. The method comprises sampling a signal for a period of time up to at least as long as the longest expected length of the first period to obtain a sampled signal. The sampled signal is integrated to obtain an integrated power curve. A reference line is subtracted from the integrated power curve to obtain a rotated power curve. A peak in the rotated power curve is selected as an end of the first period.

Abstract: A junction box and hybrid fiber optic cable connector which permit repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire cable assembly or retermination of the cable. A method of repairing a hybrid fiber/copper cable and connector.

Abstract: The invention relates to an electrical contact arrangement (1) for telecommunications and data systems technology, comprising at least one electrical contact (K1) and a printed circuit board (2), the contact (K1) being connected to the printed circuit board (2) both electrically and mechanically. The contact (K1) comprises a contact region (7) on which an electrical contact for contacting the counter-contact is generated. The distance (L el) between the contact region (7) of the contact (K1, K8) and the electrical contact point (K8) for contacting the printed circuit board (2) is shorter than the distance (L mech) between the contact region (7) of the contact (K1, K8) and the mechanical contact point (9) for contacting the printed circuit board (2).

Abstract: An optical fiber cable management panel is provided with slideable drawers and structure within the drawers for cable management and/or connection to other devices. Tray inserts drop into the drawers to provide the appropriate management and connection devices. A movable take-up mechanism manages the cable entering and exiting the drawers at side openings. Stackable pivoting storage trays on the tray insert include a detent arrangement for holding each tray in a pivoted access position. The tray inserts further include a front key, and a back tab mounting arrangement for mounting the tray inserts to the drawers, and side radius limiters including notches for extending over raised portions of the drawer. The take-up mechanism includes a U-shaped trough section and cable retention tabs. A control mechanism is provided for controlling movement of the take-up mechanism relative to the drawer.