Abstract: Systems and methods for OFDM tone allocation are provided. In one embodiment, an end-user communication device comprises: a first remote unit for communicating with a host unit using orthogonal frequency division multiplexing (OFDM), the host unit communicatively coupled to a plurality of remote units in a multipoint-to-point configuration, wherein OFDM waveform from distinct remote units of the plurality of remote units combine to a unified OFDM waveform at the host unit. The first remote unit is configured to transmit up to a plurality of tones, the up to a plurality of tones modulated with upstream information using OFDM. The first remote unit is configured to determine when bandwidth is needed for upstream transmission to the host unit. The first remote unit is configured to transmit a request for bandwidth to the host unit on a first tone of the plurality of tones, wherein access to the first tone is contention-based.

Abstract: A fiber optic enclosure assembly includes a housing having an interior region and a bearing mount disposed in the interior region of the housing. A cable spool is connectedly engaged with the bearing mount such that the cable spool selectively rotates within the housing. A termination module disposed on the cable spool so that the termination module rotates in unison with the cable spool. A method of paying out a fiber optic cable from a fiber optic enclosure includes rotating a cable spool, which has a subscriber cable coiled around a spooling portion of the cable spool, about an axis of a housing of the fiber optic enclosure until a desired length of subscriber cable is paid out. A termination module is disposed on the cable spool.

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 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 connect with 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: The present disclosure relates to a jack assembly including a jack mount having a front side and a rear side. A jack of the assembly is adapted to be slidably mounted in a jack receiving region of the jack mount. The jack assembly also includes a plurality of cross-connect contacts, and a rear interface assembly. The rear interface assembly includes a dielectric cover piece and a plurality of rear connectors that project outward from the dielectric cover piece.

Abstract: A power distribution panel having circuit elements such as KTK and GMT fuses removably mounted to a unit housing by means of module members, thereby allowing for ease of customization of the circuit elements of the power distribution panel.

Abstract: The present disclosure relates to a wall box adapted to be mounted at a mid-span access location of a fiber optic telecommunications cable. The wall box includes an enclosure having a main body with an open front side. The enclosure also includes a front cover for opening and closing the open front side of the main body. The wall box defining first and second cable entrance/exit openings positioned at opposite sides of the enclosure. The main body defines an open region through an exterior wall of the main body. The open region extends from the first cable entrance/exit opening to the second cable entrance/exit opening. The enclosure also includes a cable cover that is mounted to the main body to cover the open region. The cable cover is a separate component from the front cover.

Abstract: A cable management assembly, and method related thereto, including a riser panel having an interface portion and a plurality of cable management devices. The interface portion having a plurality of shaped apertures. The cable management devices having attachments that correspond to the shaped apertures to secure the cable management devices to the panel at selected vertical and horizontal locations. The cable management assembly being configured to extend between two adjacent telecommunications racks or to couple to the end of a telecommunications rack.

Abstract: A splice tray holder includes a body with a first portion, a second portion, and a front surface. A retention portion is disposed on an outer periphery of each of the first and second portions and defines a receiving groove having an inner surface that faces toward the front surface of the body. A spring portion is disposed on each of the first and second portions, wherein the spring portion is adapted to provide a biasing force in a direction from the front surface of the body toward the inner surface of the receiving groove.

Abstract: Certain embodiments of a fiber distribution hub include a swing frame pivotally mounted within an enclosure having a low profile. For example, the enclosure can have a depth of less than about nine inches. Termination modules can be mounted to the swing frame and oriented to slide at least partially in a front-to-rear direction to facilitate access to connectors plugged into the termination modules. Splitter modules and connector storage regions can be provided within the enclosure.

Abstract: A fiber optic connector is disclosed for use with both a hardened fiber optic adapter and a non-hardened fiber optic adapter. The connector includes a connector housing having an end defining a plug portion. The plug portion includes first and second sets of retaining features for retaining the connector. The first and second retaining feature sets retain the connector within the hardened and unhardened adapters respectively. A threaded member can be included on the connector to threadingly engage and connect the connector to the hardened adapter. A sliding lock can be included on the connector to lock the connector to the non-hardened adapter when slid into a locking position. The sliding lock can be mounted to the threaded member. The sliding lock can include protrusions that engage and lock the non-hardened adapter when in the locking position thereby locking the non-hardened adapter to the connector.

Abstract: A connector enclosure for enclosing a cable assembly includes a main body that has a first body portion and a second body portion. The first body portion is adapted for selective releasable engagement with the second body portion. Each of the first and second body portions defines a cavity having a first connector portion and a second connector portion. The cavity of each of the first and second body portions cooperatively defines a passage through the main body. The passage is configured to retain a cable assembly.

Abstract: A fiber optic connection system includes a ruggedized fiber optic adapter and a ruggedized fiber optic connector and can further include a standard fiber optic connector (e.g., an SC connector), a pre-existing ruggedized fiber optic adapter, a first converter for converting the standard fiber optic connector to be compatible with the ruggedized fiber optic adapter, a second converter for converting the ruggedized fiber optic connector to be compatible with the pre-existing ruggedized fiber optic adapter, and a standard fiber optic adapter (e.g., an SC adapter). The ruggedized fiber optic connector is compatible with the ruggedized fiber optic adapter and with the standard fiber optic adapter. To retain the various connectors within the various adapters, various retention members and features (e.g. threaded retention members and latches) can be included in the fiber optic connection system.

Abstract: A coaxial switching jack with a pair of coaxial assemblies mounted within a housing having a pair of front cable connection locations is disclosed. The coaxial assemblies each include a center conductor and an outer shield conductor. The center conductors are connected by a first spring and the shell conductors are connected by a second spring. Insertion of a coaxial cable connector within one of the front cable connection locations deflects the springs from the corresponding coaxial assembly and disconnects the center and shell conductors of the two assemblies. The jack may also be configured to provide an electrical connection between the center and shell conductors of the second coaxial assembly if a coaxial cable connector is inserted within the first coaxial assembly. The connection between the center and shell conductors of the second coaxial assembly may be through a resistor assembly allowing for selection of a desired electrical impedance.

Abstract: A system and method for delivering digital subscriber line (DSL) service to a subscriber. In a telecommunications network, the signal passing through a protector field is diverted to a cross connect block that can be selectively configured to establish a communication route between the cross connect block and a splitter selectively receiving a DSL signal. The combined signal is then placed back upon the network by the cross connect block, which directs the combined signal back to the protector field.

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 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: A receiver receives a received signal from a communication link, the received signal comprising a stream of symbols modulated onto a carrier, each of the stream symbols selected from a constellation of symbols to represent a plurality of encoded data bits. The receiver comprises a demodulator to produce a stream of received symbols derived from the received signal; a channel decoder to produce a received stream of data bits derived from the stream of received symbols; and a memory device to store information related to the plurality of symbols in the constellation.

Abstract: A system for transceiving radio frequency signals is provided. The system includes a multiplexing apparatus at a base of a tower and communicatively coupled to a cable, and a low noise amplifier at the base of the tower. The multiplexing apparatus includes a transmitter path, a portion of a receiver path, and a transceiver path portion. The low noise amplifier is operable to amplify signals in a first spectral region and is communicatively coupled to the multiplexing apparatus. The multiplexing apparatus is configured to pass signals in the first spectral region between the cable and a first-band base transceiver station via the low noise amplifier. The multiplexing apparatus is further configured to pass signals in a second spectral region between the cable and at least one second-band base transceiver station.

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: Clock Priority Chain Level Systems and Methods are provided. In one embodiment, a method for determining clock priority for a multihost unit distributed antenna system is provided. The method comprises identifying which port of a plurality of ports is receiving a reference clock signal having a highest priority Network Chain Level (NCL) value, wherein the highest priority NCL value indicates a master clock priority level (MCPL) of a host unit providing a Master Clock and a chain level value indicating a chain depth; selecting a system clock reference port from the plurality of ports based on the highest priority NCL value; locking a local clock to a reference clock signal received on the selected system clock reference port; calculating an incremented NCL value based on the highest priority NCL value; and transmitting the incremented NCL value over the plurality of ports.