Corning Research & Development Patente

A loopback test system and method of using the system to test optical connectivity of an equipment rack including an optical shuffle device and at least one server, with each server having server ports. The loopback test system includes a plurality of loopback optical interfaces that are each coupled to a respective network-side optical interface or a respective spare optical interface of the optical shuffle device. Shuffle optical waveguides of the optical shuffle device and loopback optical waveguides of the loopback test system cross-connect each server port in a first subset of the server ports to a respective server port in a second subset of the server ports, with at least one of the cross-connections passing through a spare optical interface and two of the network-side optical interfaces.

An optical shuffle device (78) for mounting in an equipment rack (80) of a fiber optic network. The shuffle device (78) includes a shuffle housing (82) defining a mounting region (92) and a plurality of shuffle modules (84) arranged in the mounting region. Each of the shuffle modules (84) is separate from the other shuffle modules (84) and is movable between a first position and a second position. The shuffle device (78) may include locking mechanisms (100) to secure the shuffle modules (84) in the first position, and optionally in the second position. The modularity of the shuffle device (78) and the ability to move the shuffle modules (84) between these positions allows installers to isolate each of the shuffle modules (84) one at a time and more easily connect fiber optic connectors to connector ports of the shuffle device. A method of using the optical shuffle device (78) is also disclosed.

A method for assisting a user in installing a fiber optic cable connection is provided. The method includes receiving a cable identifier associated with a grouping of fibers, and the grouping of the fibers terminates in a fiber optic connector. The method includes identifying, based on the cable identifier and a search matrix, a correct installation port on a panel for inserting the fiber optic connector. The panel includes at least seventy installation ports. The method includes guiding a user to the identified correct installation port for installation of the fiber optic connector therein. The search matrix includes at least two bounding areas, and each bounding area defines a target area where a port identifier is likely to be located. The search matrix is created by using a location of an anchor label identifier or relative locations of a port identifiers and by using equipment information associated with the panel.

The present disclosure relates to a rack mountable housing that is a unitary piece configured to attach to a rack and to receive cassettes in guide channels of the rack mountable housing. The rack mountable housing also includes a rear panel with a cable entry area. The cable entry area includes a rear cable entry and a side cable entry. The rear cable entry having a longitudinal axis that is substantially parallel to a central axis of the rack mountable housing, and the side cable entry having a longitudinal axis that is angled relative to the central axis of the housing. The rear cable entry and the side cable entry including a cable guide pathway and a cable guide element, respectively, where both the cable guide pathway and the cable guide element have a tapered profile.

Systems are provided that include a housing with a splice tray, one or more connection features, a first compartment comprising a first mounting feature, and a second compartment. At least 0.5 meters of a second cable is stored within the second compartment, and the second cable runs from the splice tray, through the second compartment, and feeds out into one or more pigtail cables that lead to the one or more connection features.

A fiber optic terminal having a perimeter seal includes a base and a cover connected to the base between opened and closed positions. The base and cover define an interior volume having a perimeter in which fiber optic components are disposed. The fiber optic terminal further includes a rigid member extending from one of the base or cover and a flexible rib extending from the other of the base or cover. Each of the rigid member and flexible rib is configured to partially bound the interior volume along a portion of the perimeter. When the cover is in the closed position, the flexible rib engages the rigid member to form a seal around the portion of the perimeter to protect the fiber optic components. A method of manufacturing the fiber optic terminal and a method of using the fiber optic terminal having the perimeter seal are also disclosed.

A tray for use in a fiber-optic apparatus is provided. The tray has a first surface comprising a plurality of regions. Each of the plurality of regions comprises at least one fiber-optic component or mount for retaining a fiber-optic component. Each of the plurality of regions are physically separated from the others of the plurality of regions by one or more dividing barriers. A fiber-optic apparatus comprising the tray for use in a fiber-optic apparatus is also provided.

There is provided a cable attachment system for sealing and retaining a communications cable is provided. The cable attachment system comprises a housing having a first end and a second end. The cable attachment system comprises a sealing member couplable to the second end of the housing. The sealing member comprises at least two cover elements. The sealing member further comprises an elastically deformable sealing material. The at least two cover elements are movable between a first position in which the cover elements are spaced away from each other, and a second position in which the cover elements and the elastically deformable sealing material form a seal between the sealing member and the communications cable. The cable attachment system further comprises a locking member configured to releasably engage with the cover elements to lock the cover elements in the second position.

A fiber optic coupler includes a coupler housing, an inner housing for releasably receiving a fiber optic connector, a release sleeve, and a retainer. The release sleeve is mounted to the inner housing within the coupler housing and is translatable within the coupler housing between a first position and a second position. The retainer is moveably mounted to the inner housing and engaged with the release sleeve, wherein movement of the release sleeve from the first position to the second position causes the retainer to move radially relative to the inner housing from a locking position to an unlocking position to release the fiber optic connector.

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The present disclosure relates to a thin coated optical fiber that enables connector assembly without stripping the optical fiber.

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