Abstract: Galloping motion disruptors and methods for reducing conductor galloping are provided. A galloping motion disruptor includes a first disruptor rod and a second disruptor rod. Each of the first and second disruptor rods includes a first end portion, a second end portion, and a mid-section between the first end portion and the second end portion. The first end portion includes a helical gripping section. The second end portion includes a hook section. The hook sections of the first and second disruptor rods are connectable to each other.

Abstract: Cable support devices and assemblies are provided. A cable support device supports multiple fiber-optic cables on an above-ground pole. A cable support device includes a base, and a first arm and a second arm extending from the base, the first arm and second arm generally parallel to each other. The cable support device further includes a cross-member extending between and connected to the first arm and the second arm. The cable support device further includes at least one divider member extending radially outwardly from the cross-member, the at least one divider member spaced from the first arm and the second arm and defining at least two slots, each of the at least two slots further defined by the cross-member.

Abstract: A testing device includes a test port, a light source, a measurement element, and a controller. A method of testing an optical system with the testing device includes, and/or the testing device is configured for, measuring an unloaded reference signal when the testing device is not connected to the optical system and storing the unloaded reference signal in a memory of the testing device. The method and/or configuration also includes detecting a signal from the optical system after storing the unloaded reference signal. Based on the detected signal, it is determined that the optical system is connected to a test port of the testing device. A test of the optical system with the testing device is automatically initiated in response to determining that the optical system is connected to the test port of the testing device.

Abstract: A patch panel may include a tray that is slidable between a retracted position and an extended position on tray supports and features for holding the tray in the retracted position and in the extended position. The patch panel may also include a cassette that is slidable on cassette supports, latches for engaging the cassette to block movement of the cassette and features for disengaging the latches.

Abstract: A fiber optic cassette includes a cassette body, the cassette body extending along a longitudinal axis between a front and a rear, extending along a lateral axis between a first side and a second side, and extending along a transverse axis between a bottom and a top. The fiber optic cassette further includes a plurality of fiber optic adapter apertures defined at the front of the cassette body. The fiber optic cassette further includes a side channel defined at the first side of the cassette body, the side channel including an entry aperture spaced from the rear of the cassette body along the longitudinal axis. The fiber optic cassette further includes a splice module receptacle defined in the cassette body.

Abstract: A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.

Abstract: A fiber optic distribution cable includes a central inner jacket formed from one of a polyvinyl chloride or a low smoke zero halogen material, a plurality of optical fibers disposed within the inner jacket, and a plurality of first strength members disposed within the inner jacket. The fiber optic distribution cable further includes an outer jacket surrounding the central inner jacket, the outer jacket formed from the one of the polyvinyl chloride or the low smoke zero halogen material, and a plurality of second strength members disposed between the outer jacket and the central inner jacket. A fiber density of the cable is greater than 0.65 fibers per square millimeter.

Abstract: A method of identifying and testing an optical fiber includes emitting light into the optical fiber. The light includes an identification signal and a testing signal. The method also includes reading the identification signal and the testing signal with a single device. The method further includes determining an identity of the optical fiber based on the identification signal with the single device and determining a status of the optical fiber based on the testing signal with the single device.

Abstract: A butt closure base includes a base housing defining a plurality of cavities. A first gel is disposed in each of the plurality of cavities. The butt closure base further includes a plurality of wedge assemblies, each of the plurality of wedge assemblies removably insertable into one of the plurality of cavities. Each of the plurality of wedge assemblies includes an outer cover, a second gel, and a main pressure plate in contact with the second gel. The main pressure plate is movable along a longitudinal axis to apply pressure to the second gel. Each of the plurality of wedge assemblies further includes a latch assembly. The latch assembly includes an adjustable tab and a stop member movable between a first position which limits movement of the adjustable tab and a second position in which movement of the adjustable tab is not limited by the stop member.

Abstract: Control systems and methods for aligning multimode optical fibers are provided. A method includes producing a brightness profile for a first and second multimode optical fiber. The method further includes determining a cladding center position and a core center position from the brightness profile of the first multimode optical fiber and from the brightness profile of the second multimode optical fiber. The method further includes calculating a concentricity error for the first multimode optical fiber based on the cladding center position and the core center position from the brightness profile of the first multimode optical fiber and for the second multimode optical fiber based on the cladding center position and the core center position from the brightness profile of the second multimode optical fiber.

Abstract: A swage die includes a plurality of teeth aligned in a generally arcuate array. Each tooth of the plurality of teeth includes a first sidewall, an opposing second sidewall, a first endwall, and an opposing second endwall. The swage die further includes a plurality of first supports, each of the plurality of first supports extending between and connected to first endwalls of neighboring teeth, and a plurality of second supports, each of the plurality of second supports extending between and connected to second endwalls of neighboring teeth. The swage die further includes a plurality of stops, each of the plurality of stops extending from a first support towards a neighboring first support or from a second support towards a neighboring second support.

Abstract: A fiber optic tray system includes a tray. The tray includes a tray body, the tray body extending along a longitudinal axis between a front and a rear and extending along a lateral axis between a first side and a second side. The tray further includes a plurality of alignment rails, each of the plurality of alignment rails protruding from the tray body along a transverse axis. The tray further includes a plurality of retainer features disposed at the rear of the tray body. The fiber optic tray system further includes a fiber optic module, the fiber optic module including an outer housing and at least one retainment feature. The at least one retainment feature is interfaced with at least one of the plurality of retainer features to retain the fiber optic module on the tray.

Abstract: A method of testing an optical network with an optical time-domain reflectometer includes determining a reference power of the optical time-domain reflectometer based on a power level of a reflected light pulse reflected from an optical reflector. After determining the reference power, the method includes connecting the optical time-domain reflectometer to one end of the optical network and connecting the optical reflector to an opposite end of the optical network. The method also includes determining a return power through the optical network based on a power level of a reflected light pulse reflected through the optical network from the optical reflector to the optical time-domain reflectometer. The method further includes determining a loss of the optical network based on the reference power and the return power.

Abstract: A strut insulator for an overhead rail contact system includes a first end fitting, the first end fitting defining an inner side pocket, and a second end fitting spaced from the first end fitting, the second end fitting defining an inner side pocket. The strut insulator further includes a rod extending between the first end fitting and the second end fitting and extending into the inner side pockets of the first and second end fittings, the rod defining a length. The strut insulator further includes a shell surrounding a portion of rod, the shell extending along a portion of the length of the rod, the shell formed from a fluoropolymer.

Abstract: Optical fiber adapters and connectors are provided. An optical fiber adapter includes an adapter body, the adapter body extending along a longitudinal axis between a first end and a second end and comprising a first adapter portion which includes the first end and a second adapter portion which includes the second end. Each of the first adapter portion and the second adapter portion is one of a male adapter portion or a female adapter portion. The optical fiber adapter further includes a ferrule disposed within the adapter body, the ferrule extending along the longitudinal axis between a first end and a second end, and a thin-film filter provided on one of the first end or the second end of the ferrule, wherein the thin-film filter limits the wavelengths of light transmitted therethrough to within a predetermined wavelength range.

Abstract: A fiber optic cassette includes a cassette body, the cassette body extending along a longitudinal axis between a front and a rear, extending along a lateral axis between a first side and a second side, and extending along a transverse axis between a bottom and a top. The fiber optic cassette further includes a plurality of fiber optic adapter apertures defined at the front of the cassette body. The fiber optic cassette further includes a side channel defined at the first side of the cassette body, the side channel including an entry aperture spaced from the rear of the cassette body along the longitudinal axis. The fiber optic cassette further includes a splice module receptacle defined in the cassette body.

Abstract: Cable node transition assemblies are provided. A cable node transition assembly includes an outer nut extending along a longitudinal axis between a first end and a second end, the outer nut including an outer thread at the second end. The cable node transition assembly further includes a fiber optic cable. The cable node transition assembly further includes a cable positioning assembly connected to the outer nut and extending from the first end of the outer nut. A portion of the cable is disposed within the cable positioning assembly. The cable positioning assembly is operable to alternately fix the cable in a first position and a second position. In the first position the portion of the cable disposed within the cable positioning assembly extends along the longitudinal axis. In the second position the portion of the cable disposed within the cable positioning assembly extends away from the longitudinal axis.

Abstract: A terminal enclosure with a terminal base with a hole; a terminal lid with an adapter mounting face and a mounting hole in the mounting face; a right angle transition body with first and second ends; an adapter which passes through the mounting hole and is mounted to the mounting face; and a fiber optic cable, attached to the second end of the right angle transition body, with an optical fiber with a connector at one end. The mounting face is formed at an angle ?, between 0 and 180 degrees, front a plane framed where the terminal lid and base meet. The optical fiber connector is connected to the adapter. The first end of the right angle transition body passes through the terminal base hole. The terminal base and terminal lid are configured to be attached together.

Abstract: A downhole logging cable includes a core conductor unit and a core optical unit. The core conductor unit may include a conductor and a jacket which surrounds and contacts the conductor. At least one metal tube may surround the core conductor unit and core optical unit, such that the core conductor unit and core optical unit are disposed in an interior of the at least one metal tube. A filler may be provided in the interior surrounding the core conductor unit and core optical unit.

Abstract: A communications module housing includes an enclosure defining an opening, and a tray movably positioned within the enclosure. The tray includes a base, and a front rail positioned on the base, the front rail including a plurality of first mounts. The tray further includes a platform positioned on the base, the platform including a plurality of second mounts. The tray further includes a rear rail positioned on the base, the rear rail including a plurality of third mounts. The first and second mounts correspond to mounting features of the first communications modules and the third mounts correspond to mounting features of the second communications modules.