Abstract: A sealed enclosure is provided. The enclosure includes a membrane vent adapted to mount through a wall of the enclosure, the membrane vent comprising an air permeable tubular membrane, a tubular structural support, wherein the tubular membrane is stretched over the tubular structural support, an air vent fitting attached to the tubular membrane at a first end, and an end cap attached to the tubular membrane at a second end.

Abstract: A system for delivering multiple passive optical network services is disclosed. The system includes a first optical transmission service comprising a common wavelength pair routed from a source to each of a plurality of subscribers. The system further includes a second optical transmission service comprising a plurality of unique wavelength pairs, where each of the unique wavelength pairs is routed from the source to a subscriber among the plurality of subscribers. The system delivers the first optical transmission service and the second optical transmission service to the subscriber on a single optical fiber.

Abstract: The invention relates to an overvoltage protection magazine for a telecommunications device, comprising a housing, a printed circuit board, two or more surge arresters and at least one ground contact, the surge arresters being arranged on the printed circuit board and being passed via conductor tracks to contact pads arranged on the printed circuit board which, when plugged in, come into electrical contact with contacts of the telecommunications device, the surge arresters being arranged in a row.

Abstract: Systems and methods for handling buffer overflows and underflows in a software defined radio are presented. A communications system comprises one or more radio head interface modules and a call processing software module. The radio head interface modules are adapted to communicate with the call processing software module. The call processing software module performs modulation and demodulation of voice and data streams and transmits complex RF data samples to the radio head interface modules. A first radio head interface module is adapted to create zero value data samples when complex RF data samples are not received from the call processing software module at an expected data sample rate. The first radio head interface module is further adapted to count zero value data samples created and discard a number of complex RF data samples based on the number of zero value data samples counted by the first radio head interface module.

Abstract: A fiber optic connector holder including a housing with at least one cavity for receiving a fiber optic connector with a dust cap in place about a terminal end of the connector. The housing may be integrally molded with retaining structures for releasably engaging the fiber optic connector and releasable catches for mounting the housing at a mount location. The presence of a fiber optic connector within a cavity of the housing may prevent the removal of the housing from a mounting location.

Abstract: An optical fiber distribution assembly is disclosed. The assembly includes an enclosure formed by a base and a cover joined at a waterproof seal. The base includes openings configured to accept an input cable and an output cable. The assembly also includes a mounting structure having front and rear sides and residing within the interior of the enclosure. The mounting structure forms a planar surface connected to the base and extending within the enclosure. The assembly includes a splitter housing located on the front side. The splitter housing includes a fiber optic splitter configured to split the input signal into a plurality of secondary signals. The assembly also includes a plurality of adapters located on the front side and including first and second connection ends for receiving a connector terminated to optical cables. The assembly includes an excess connector storage structure for terminating disconnected optical cables.

Abstract: The invention relates to a distribution box connection module (1) for telecommunications and data technology, comprising a housing in which externally accessible input and output contacts (10, 20, 30, 40) are arranged for the connection of cables and cores, with the housing having a cavity in which at least one printed circuit board (50) is arranged, with the input and output contacts (10, 20, 30, 40) being arranged on the opposite end faces of the housing, and with the input contacts (10, 20) being associated with one input side and the output contacts (30, 40) being associated with one output side, with the input contacts 10, 20) being in the form of at least two mutually opposite rows of contacts, and the output contacts (30, 40) being in the form of at least one plug connector, with at least two input contacts (10) in the first row and at least two input contacts (20) in the second row being connected to the output contacts (30; 40) in the at least one plug connector, and with the input contacts (10, 20)

Abstract: An upgradeable patch panel assembly and associated method of upgrading a patch panel assembly. The upgradeable patch panel assembly including a panel base having an aperture sized to receive a scanner interface cable. The method including removing a first cover from the panel base, inserting a scanner interface cable through the existing aperture in the panel base, and attached an upgraded cover to the panel base. Upgrading the patch panel assembly is completed while the assembly remains mounted to a frame and without disconnecting rear cable connections. The upgraded patch panel assembly provides jack-occupancy monitoring capabilities.

Abstract: Power distribution busses and methods are disclosed that provide flexible protection and alarming capabilities. Various embodiments provide interchangeability of fuses and circuit breakers within the same power distribution bus configuration. These various embodiments also provide discrete alarming for fused lines, discrete alarming for lines with circuit breakers, combined alarming for lines having mixed forms of protection, and/or selectable alarming such as combined versus discrete in relation to employing all fused lines, employing all circuit breaker protected lines, or employing mixed line protection.

Abstract: An adapter cassette including a housing and a plurality of fiber optic adapters. The fiber optic adapters being angled relative to a front plane defined by the housing. The fiber optic adapters being interconnected to a multi-fiber cable connecter by fiber optic cables located within an interior of the housing. The adapter cassette further including a quick-release cover that provides access to the interior of the housing.

Abstract: Systems and methods for course and fine synchronization are provided. In one embodiment, a method comprises establishing communication between a first remote of a plurality of remote units and a host, the plurality of remote units coupled to the host in a multipoint-to-point configuration; transmitting up to a plurality of tones from the first remote, the tones modulated with upstream information using orthogonal frequency division multiplexing (OFDM); making a first adjustment in a manner in which transmissions are transmitted from the first remote on at least one of the tones, the first adjustment varying the alignment of the transmissions received at the host; and making a second adjustment in the manner in which transmissions are transmitted from the first remote on the at least one of the tones, the second adjustment varying the alignment of the transmissions received at the host, wherein the second adjustment is finer the first adjustment.

Abstract: A modular fiber optic enclosure for enclosing optical fiber connections that includes a base housing module with a plurality of sides having a front end portion and a back end portion and a base disposed at the back end portion, wherein the base and the sides define an interior region. The modular fiber optic enclosure also includes a termination module that is pivotally engaged to the front end portion of one of the sides of the base housing module and selectively moveable between an open position and a closed position. The modular fiber optic enclosure further includes a cover that is pivotally engaged with the termination module and selectively moveable between an open position and a closed position.

Abstract: The invention relates to a switching distribution board (1), comprising a number of m input contact pairs (2) and n output contact pairs (16), it being possible for an input contact pair (2) to be connected to any desired output contact pair (16) by a mechanical switching mechanism, the mechanical switching mechanism being driven by at least one motor (5).

Abstract: A crossbar cable to connect a crossbar switch with a plurality of outputs comprises a switch connector, a plurality of cables, a plurality of device connectors, and an encasing wrap. The switch connector comprises a plurality of sockets. Each cable has wires connected at a first end to a subset of the sockets in the switch connector. Each device connector is connected to a second end of the wires of one of the plurality of cables. Each of the device connectors is communicatively coupled over the wires to the subset of sockets at the first end of its respective one of the plurality of cables. An encasing wrap bundles the plurality of cables at least at the first ends of the plurality of cables.

Abstract: The invention relates to a glass-fiber coupler module, comprising a cassette mount, which is connected to a front panel, the cassette mount being assigned a coupler, by means of which the signals of at least one incoming glass fiber are distributed over at least two outgoing glass fibers, a first group of couplings and a second group of couplings, the second group of couplings being arranged on the front panel, glass fibers from the first group of couplings being passed into the coupler and the outgoing glass fibers from the coupler being connected to the second group of couplings, the first group of couplings being arranged on a mounting panel, and the mounting panel being arranged on the cassette mount such that it can pivot.

Abstract: Fiberoptic connector and adapter assembly includes a fiberoptic connector received within an adapter. The connector has a cover on the connector housing. The cover pivots between open and closed positions to expose or cover, respectively, a optical fiber contained within the connector. Longitudinal guides of the connector are received cooperating with longitudinal guides of the adapter to direct the connector into the adapter in a prescribed alignment. A cam pin is carried on the adapter to engage a cam pin receiving slot on the cover to urge the cover to the open position as the connector is inserted into the adapter.

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: System and methods for the dynamic readjustment of power are provided. In one embodiment a communications system comprises a base station including one or more radio head interface modules and a signal processing module, the radio head interface modules adapted to communicate with the signal processing module. The signal processing module performs modulation and demodulation of voice and data streams using one or more air interface protocols. The system further comprises a radio head unit coupled to the radio head interface modules over one or more transport mediums. The radio head unit communicates with one or more subscriber units using the air interface protocols. The radio head interface modules receive power level adjustment parameters from the signal processing module for one or more logical channels. The one or more radio head interface modules reconfigure a signal gain of one or more communications channels based on the power level adjustment parameters.

Abstract: The present disclosure relates to a fiber optic connector for use with a fiber optic adapter. The fiber optic connector includes a connector housing having an end defining a plug portion. A ferrule assembly is mounted at least partially within the connector housing. The ferrule assembly includes a ferrule located at the plug portion of the connector housing. A sealing member is mounted about an exterior of the connector housing for providing a seal between the connector housing and the adapter. The fiber optic connector further includes first and second separate retaining mechanism for retaining the fiber optic connector within the fiber optic adapter.

Abstract: A telecommunications cabinet includes an enclosure, a splitter mounted within the enclosure for splitting a fiber optic signal, a plurality of adjacently positioned adapter trays mounted within the enclosure, each tray being pivotable about an axis generally parallel to a longitudinal axis of the enclosure and each adapter tray housing a plurality of adapters, the enclosure also including an excess cable storage structure for storing cables that are not connected by the adapters mounted on the adapter trays, the excess cable storage structure providing a termination location for fiber optic cables without providing a continuous optical path for the fiber optic signals.