Abstract: The invention relates to a flat telecommunication cable in which optical fibers are positioned within micromodules. The micromodules are coupled to a surrounding, ribbon-like cable jacket, thereby preventing the micromodules from sagging within the cable during vertical installations. The invention also relates to a method of extracting optical fibers from such a cable.

Abstract: Apparatus for storing slack fiber optic cabling. A cabinet enclosure has an opening for allowing access to cabling and other components inside the enclosure, and a number of spool tracks are supported inside the enclosure. Each of a number of cable spool assemblies includes a spool dimensioned to guide a length of fiber optic cabling in a desired path over part of the spool circumference with at least a minimum cable bend radius, and a mechanism for (i) mounting the spool on a corresponding spool track for sliding movement to a desired position along the track, and (ii) fixing the spool at the desired position. Slack fiber optic cabling can be stored in the cabinet with an optimum lay when the cabling is guided by selected spools of the spool assemblies, and the spools are moved to and fixed at certain positions on the spool tracks.

Abstract: A mounting arrangement for a telecommunications system, the system including a panel and a frame. The mounting arrangement providing a tool-less connection between the panel and the frame for ease of assembly and installation. In one embodiment, the mounting arrangement including flexible retaining clips provided on the panel, and guides formed on the frame. The flexible retaining clip and guides defining a snap-fit connection that is secure and easy to use.

Abstract: The present invention provides an optical system that allows for the flexible location of an optical device that is coupled to a patch panel in a wiring closet or other optical signal source through a series of fiber optic cables and optical connections, or the flexible location of an array of such optical devices. The optical system includes, in part, one or more retractable optical fiber tether assemblies that each allow varying lengths of tether cable to be pulled and used. The retraction device of each of the optical tether assemblies may be disposed mid-tether cable, or may terminate the respective tether cable and incorporate the given optical device. In an exemplary wireless local area network (WLAN) application, each of the retractable optical fiber tether assemblies includes an integral transceiver and associated software. Thus, each of the retractable optical fiber tether assemblies functions as an antenna.

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: A tool and method for accessing fibers within an optical fiber cable is provided. The tool can be used to access optical fibers within buffer tubes held in distribution cables. The tool works well even when the buffer tubes to be accessed are held tightly within distribution cables. In one embodiment, the tool is clamped over a buffer tube and a blade is slid across a blade guide of the tool to facilitate the cutting of a fiber access window in the buffer tube. The method of accessing fibers within a fiber optic cable includes supporting a section of buffer tube and sliding a blade across the mid-portion of the supported section thereby creating optical fiber access windows therein.

Abstract: An optical fiber array substrate 11 has, in one surface thereof, eight V-grooves 12 for securing eight optical fibers 14 aligned in parallel to each other, and V-shaped side grooves 13 formed outside of the respective outermost V-grooves 12 located at the opposite sides of the substrate 11. The apexes of the outside ridges 12c and 12d defining the outermost V-grooves 12 are at the same height as the apexes of the inside ridges 12a and, the height of the bottom 13a of the side groove 13 is lower than that of a contact point 12e between the ridge line of the V-groove 12 and optical fiber 14.

Abstract: A package design for electro-optic devices has been developed in which the substrate supporting the electro-optic element serves also as the base of the device housing. The electro-optic element is flip-chip bonded to the substrate. In a preferred embodiment the substrate is a multi-level wiring board.

Abstract: The drop terminal includes a plurality of fiber optic adapters having outer connector ports that are accessible from outside the drop terminal. The drop terminal receives a fiber optic cable having a plurality of optical fibers. Fiber optic connectors are positioned at the ends of the optical fibers. The fiber optic connectors are inserted into inner connector ports of the fiber optic adapters. The drop terminal also includes an anchor block for securing the fiber optic cable to a main housing of the drop terminal. The anchor block can be secured to the main housing of the drop terminal by a mechanical interlock. The drop terminal may also include a transparent interior shield or liner that retains fibers in position within the drop terminal during assembly of the drop terminal.

Abstract: A system for protecting buried optic fibre nodes which permits surface inlay installation of cable without the need to expose free ends of the cable for threading through any apertures, includes a protective housing composed of spaced apart panels which define an interior space. The panels open to expose the interior for installation of a length of cable therein. An insert fits within the space, which includes a channel which is exposed when the panels open for insertion of a cable. The insert includes a void to receive a cable junction box. A removable protective outer casing may be provided, either in the form of a pair of outer walls with a removable cap or base, or a can-like container having a removable top and two or more opposed slots communicating with the upper rim of the container. The housing fits within the container, with the cable entering and exiting through the slots, which also permit a saw cut to pass through the slots to facilitate installation of the system.

Abstract: A fiber optic cable clamp module is disclosed. The clamp module includes a conductive contact for terminating a tracer wire. The clamp module retains the fiber optic cable and provides a weather tight seal around the cable. A carrier for a fiber optic cable clamp module is also disclosed. The carrier provides a connection to ground for a tracer wire when a clamp module containing the tracer wire is installed in the carrier. The carrier also has a switch for disconnecting the tracer wire from ground without physically removing the tracer wire. A method for installing fiber optic cable using a clamping module is also disclosed.

Abstract: There is provided an optical communication module including a receptacle that has an optical element therein and a brim portion, a chassis on which the receptacle is mounted, and a jig into which the receptacle is inserted, that has an opening smaller than the brim portion, and that presses the brim portion to the chassis.

Abstract: A loopback device utilizing bend insensitive optical fiber to facilitate deployment of a connectorized fiber optic distribution cable through small-diameter conduit. A loopback device utilizing bend insensitive optical fiber for use within an optical network to route optical signals transmitted downstream along one or more optical fibers back upstream along the same or other optical fibers for the purpose of the determining the integrity of the downstream and upstream optical paths from a single upstream location. A loopback device including one or more bend insensitive optical fibers, a multi-fiber loopback ferrule and a dust cap for sealing engaging a connector plug attached to a distribution cable or a tether of a pre-engineered distribution cable assembly prior to installation of the distribution cable.

Abstract: A carrier for a fiber optic cable splitter having a fastener and orienting a cable splitter is disclosed. A fiber distribution hub having a mounting plate with a fiber optic cable splitter carrier and splitter attached and a method of installing fiber optic cable in a fiber distribution hub are also disclosed.

Abstract: A cable pulling assembly includes a pulling sleeve, which includes a bore, and a base assembly. The base assembly is selectively engaged with the bore of the pulling sleeve. The base assembly includes a first base member and a second base member. The first and second base members cooperatively define a cable channel. The cable channel includes a plurality of gripping protrusions. A method of assembling a cable pulling assembly includes inserting a portion of a cable into a first channel of a first base member of a base assembly. The first channel in friction fit engagement with the cable. A second base member of the base assembly is engaged to the first base member. The second base member defines a second channel. A connectorized end of the cable is inserted into a bore of a pulling sleeve. The base assembly is engaged to the pulling sleeve.

Abstract: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a front opening of the housing at a mounting location positions the connector of the module for insertion into and mating with the adapter of the housing. The adapters within the interior of the housing are mounted to a removable holder. A method of mounting a telecommunications module within a chassis.

Abstract: A functional optical device for use in an optical backplane system is provided that includes one or more input fibers, one or more output fibers, and a functional portion configured to operate on an optical input received via the one or more input fibers to provide an optical output via the one or more output fibers. The one or more input fibers and the one or more output fibers of the functional optical device are terminated in a fixed configuration based on a fixed termination layout of at least one group of multiple fibers of an optical backplane interconnect.

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: A center-lock aerial slack cable storage bracket (CLAS) is disclosed. More particularly, the CLAS improves time and efficiency of installation upon a cable under tension by employing a hinged center-lock mechanism. During installation the hinged center-lock mechanism enables the unit to be hinged-open, placed upon a cable under tension and hinged-closed. Once hinged-closed over the cable under tension, standard ‘off-the-shelf’ straps or tie-strips can be used to secure the unit into place, without a need for any specialized tools, hardware kits or brackets.

Abstract: Marker grooves of an optical fiber are formed by a marker groove forming device including at least, on a substrate, a fiber guide and optical fiber pressing springs formed on a side wall surface in the fiber guide. The optical fiber pressing springs include edges contacted and pressed to the side of an optical fiber stored in the fiber guide, and plate springs for pressing the edges to the side of the optical fiber with fulcra on the side wall surface in the fiber guide. The optical fiber is pressed to a side wall surface in the fiber guide, and the edges are formed at a predetermined distance from each other.

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: Compositions and methods keep cords, such as electrical connectors for computers and home entertainment systems, tidy and organized with clasp members that run at least partly along the exterior cord surface. Cords may be optionally coupled to other cords in a concatenated arrangement, for example, and cords may be coupled to one or more objects such as a desk or a cabinet. A cord coupled to another cord or to an object may be optionally decoupled from the other cord or from the object.

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 system for protecting buried optic fibre nodes which permits surface inlay installation of cable without the need to expose free ends of the cable for threading through any apertures, includes a protective housing (10) composed of spaced apart panels (14,16) which define an interior space. The panels open to expose the interior for installation of a length of cable (50) therein. An insert (30) fits within the space, which includes a channel (38) which is exposed when the panels (14,16) open for insertion of a cable. The insert includes a void (32) to receive a cable junction box (34). A removable protective outer casing may be provided, either in the form of a pair of outer walls with a removable cap or base, or a can-like container having a removable top and two or more opposed slots communicating with the upper rim of the container.

Abstract: A cable lead out device (10) suitable for use within a bore (13) through a wall (60), the device comprising a body to guide a cable, the cable having a minimum permitted bend radius, along a passageway in the bore, the passageway being defined by the body and extending in an arc from a first point within the bore via the mouth of the bore to a second point outside of the bore, wherein the first point is sited within the bore at a location so that the cable guided along the passageway arcs substantially at its minimum permitted bend radius. The device (10) consists of a tube portion (12), a neck (26) having an engaging end (24), a horn portion (14) having an arc-shaped passageway (15) and a terminating end (16). The device (10) is suitable for electrical and optical cables.

Abstract: In order to make possible simple operation of a cable storage device it is proposed that a multitude of cable storage elements be arranged on a rail and comprise an element with which they can be displaced by the cable gripper in a front delivery row until they are collected, preferably manually, for further treatment.

Abstract: A cable management panel including a chassis and a drawer slidably mounted to the chassis. The panel includes a rear drawer latch assembly that automatically locks the drawer in the open position to prevent inadvertent closing movement of the drawer.

Abstract: A method of terminating a fiber in a connector, the method comprising: (a) securing a stripped fiber to a device; (b) while the fiber is secured to the device, cleaving the fiber to produce a cleaved fiber; (c) securing a connector having a stub to the device; (d) while the connector and the fiber are secured to the device, inserting the cleaved fiber into the connector such that the cleaved fiber mates with the stub; (e) and securing the fiber to the connector.

Abstract: A cable radius limiter having a radius limiting surface that prevents damage to cables due to excessive bending. The cable radius limiter includes mounting structure and cable retaining structure arranged such that the limiter can be operably oriented and mounted to a mounting bracket in both a first mounting orientation and a second mounting orientation. Two radius limiters can be mounted together to form a cable spool.

Abstract: A cable radius limiter having a radius limiting surface that prevents damage to cables due to excessive bending. The cable radius limiter includes mounting structure and cable retaining structure arranged such that the limiter can be operably oriented and mounted to a planar mounting surface in a number of mounting orientations.

Abstract: A splice holder device includes a tray mountable in a telecommunications closure, the tray including a splice mounting mechanism configured to receive a splice device. The splice holder device also includes first and second fiber clamps disposed on the tray, wherein the first and second fiber clamps are each configured to releasably secure a buffered portion of an optical fiber. The tray can include a single splice device, such as a mechanical splice, mounted therein or can include a plurality of splice devices mounted therein. The splice holder device can be configured to be securedly mounted in a telecommunications enclosure.

Abstract: This invention relates to novel latching mechanisms for a pluggable assembly or module that comprises a communications interface between a computer processing unit and the housing of an optical transceiver (such as a XENPAK module). Such connections require multiple flexible spring configurations to ground the module housing to the CPU circuit board. Such flexible spring configurations must exhibit sufficient strength to allow for flexion upon introduction of the housing within a slot within a CPU, yet sufficient force as well to reliably maintain contact of the conductive springs on the optical transceiver to a grounding strip on the CPU circuit board. Furthermore, the springs themselves must release upon application of sufficient force as the user slides the transceiver housing from the CPU slot as well.

Abstract: To make a connecting structure of optical connectors capable of constantly and stably keeping optical connector plugs connected in a laterally aligned state through an optical connector clip, the structure includes boots formed to have fitted parts in an annular groove shape or a ringlike projection shape on an outer peripheries thereof; and a clip body including a plurality of boot inserting parts, which are adjacently provided and have fitting parts in a ringlike projection shape or an annular groove shape on an inner peripheries thereof, so as to fit the fitting parts to the fitted parts of the boots, wherein both side faces of the clip body are formed to have slit parts communicating with the boot inserting parts so as to be deformed in an expanding direction.

Abstract: The object of the present invention is to provide a technique for accurately transmitting information, wherein optical signals are the medium of information, between circuit boards. A holding member 10 taught in the present specification holds a plurality of circuit boards 20 with a predetermined distance therebetween, and provides an optical communication path between the circuit boards 20. The holding member 10 comprises a body 15 and an optical waveguide 12 that penetrates the body 15. The holding member 10 further comprises a light receiving portion 50 and a light emitting portion 40. By means of the holding member 10, an optical signal emitted at one circuit board 20 and received at an other circuit board 20 travels along the optical waveguide 12 of the holding member 10.

Abstract: A technique enables the reduction or prevention of galvanic action by electrically insulating components of a system. Fiber optic systems can be protected with the technique by preventing the formation of hydrogen ions through galvanic action that otherwise contribute to hydrogen darkening of optical fibers.

Abstract: An enclosure for storing cables includes a base section having a bottom wall, opposed first and second sidewalls and opposed third and fourth sidewalls, the first and second sidewalls of the base section having first slots formed generally midway along the length thereof, the third sidewall of the base section having a second slot extending through the upper edge toward the bottom wall, a cover section having a top wall, opposed first and second sidewalls and opposed third and fourth sidewalls, the first and second sidewalls of the cover section each having third slots, the third sidewall of the cover section having a fourth slot formed generally midway along the length of the sidewall, the fourth slot extending through the lower edge of the third sidewall toward the top wall, wherein the base section is received in the cover section with the first slots aligned with the third slots and the second slot aligned with the fourth slot, the slots having a length sufficient to define variable height first, second a

Abstract: A telecommunications infrastructure includes first and second trough members for routing signal-carrying fibers. A coupler is used to releasably couple the first and second trough members together. The coupler includes a first pair of rotatable latches for releasably securing the first trough member to the coupler, and a second pair of rotatable latches for releasably securing the second trough member to the coupler.

Abstract: A cable assembly comprising a first fiber optic cable, a second fiber optic cable attached to the first fiber optic cable, and an apparatus for remotely releasing at least a portion of the second fiber optic cable from attachment to the first fiber optic cable. A cable assembly comprising a distribution cable, a tether cable attached and optically interconnected to the distribution cable at a first position, and removably attached to the distribution cable at one or more second positions, and a tether cable release apparatus for remotely releasing at least a portion of the tether cable from the distribution cable to allow the tether and a tethered assembly to be pulled to a predetermined location within a network.

Abstract: The present invention relates generally to an angled optical fiber cleaver that is used to cleave optical fibers prior to mechanical splicing and that provides a desired optical fiber endface angle. More specifically, the present invention relates to an angled optical fiber cleaver that incorporates a novel retention and rotation clamp assembly that successively engages, securely holds, and rotates an optical fiber prior to cleaving, this rotation providing the desired optical fiber endface angle. Advantageously, the novel retention and rotation and clamp assembly of the present invention is actuated via a single linear button press/release, eliminating the cumbersome steps associated with conventional devices and methodologies.

Abstract: An optical module includes: an optical plug that supports one end of an optical fiber; a receptacle unit that has an optical element and optically couples the optical fiber and the optical element; a holder having a through hole for passing the optical fiber and a housing section that contains the optical plug and at least a portion of the receptacle unit; and a tube that is coupled to the through hole and extends outside of the holder.

Abstract: A hinged fiber optic routing guide comprises a base having a front surface and a top edge, a hinge connected to the base top edge, a retaining wall connected to the base front surface, the retaining wall having a pre-determined bend radius, the retaining wall having an inside face, and a retaining tine connected to the retaining wall inside face.

Abstract: The present disclosure relates to a fiber optic telecommunications cable assembly including a main fiber optic cable and a tether cable that branches from the main fiber optic cable at a breakout location. The fiber optic telecommunications cable assembly also includes a breakout block mounted to the main fiber optic cable at the breakout location, and an over-mold that covers the breakout block and at least a portion of the main fiber optic cable. The breakout block defines a straight-through channel in which the main fiber optic cable is received and a breakout channel that branches out from the straight-through channel. The breakout block includes seams with overlap configurations that prevent the over-mold from entering the breakout block through the seams. The breakout block also includes barrier dams for preventing bonding material from entering the breakout channel.

Abstract: Exemplary embodiments include a tracing clip for a fiber optic cable including: a clip body including an inner and an outer surface; a metal clip disposed on the outer surface; a metal tooth disposed on the inner surface, wherein the metal clip tooth connects to a metal element extending substantially axially along the entire length of fiber optic cable and to the metal clip.

Abstract: A patch panel configured for mounting to a network rack, includes: a frame including mounting features at opposite lateral ends for mounting the patch panel to the network rack; a bezel mounted to the patch panel, the bezel including a plurality of outlet apertures, and a plurality of communication outlets mounted in respective ones of the outlet apertures. Each of the outlets includes a plurality of electrical contacts within a plug aperture configured to receive a mating plug. The plug aperture has a generally horizontal axis for receiving the mating plug and further includes a plug latch recess. The outlets are oriented such that the plug latch recess is positioned on one side edge of the plug aperture.

Abstract: A fiber access terminal includes a drop cable side and a distribution cable side. The sides are separated by a frame to which a variety of cable management and cable connections components may be mounted. Optical fibers are routed from drop and distribution cables through a plurality of routing paths to splice trays for connection to other optical fibers. The terminal includes a base and a dome cover mounted to the base defining an enclosed interior. Passageways between the base and the dome cover are closed by removable covers to limit moisture and animals from accessing an interior of the dome cover. A tether connects the removable covers to the frame. The removable covers include one or more break out regions configured for being removed to receive one or more cables.

Abstract: In accordance with various embodiments, universal splitter module holder for a fiber optic distribution hub is provided. The universal hub splitter module holder is structured to retain any one of a plurality of fiber optic splitter modules within the fiber optic distribution hub. The universal splitter module holder includes a base and a hood removably connectable to the base to clamp and retain the splitter module between the base and the hood.

Abstract: An optoelectronic device separation apparatus may include a first and second clamp members configured to grip coaxial portions of an optoelectronic device. In one embodiment, the clamp members grip a housing portion and a fiber pigtail portion, respectively. The clamp members are configured to rotate relative to each other about an axis that is generally coaxial with the axis of the coaxial portions of the optoelectronic device. A force may be applied to the clamp members to provide such rotation, thereby causing the coaxial portions of the optoelectronic device to separate, for example, along weld points coupling the portions of the optoelectronic device together. Of course, many alternatives, variations and modifications are possible without departing from this embodiment.

Abstract: This invention provides a cable guide (10) capable for securely routing a plurality of cables (C), such as fiber optic cables (C). The cable guide has at least two fastening units (12), an optional guide unit (14), and a flexible connector (16) for providing a spaced apart connection for the units, and the space (17) may be utilized for exiting one or more cables (C) from a bundle of cables restrained by the cable guide (10). The invention also includes supports or standoffs and joinder clips for securing and routing cable guides on a chassis, printed circuit board or other surface, as desired.

Abstract: A fiber clamp (220) for clamping an optical fiber (16) includes a first clamp section (228) and a second clamp section (230) that flexibly urges the optical fiber (16) against the first clamp section (228). The second clamp section (230) can include a retainer housing (244) and a pair of spaced apart flexible members (246) that extend from the retainer housing (244). The flexible members (246) flexibly urge the optical fiber (16) against the first clamp section (228). A fastener assembly (232) can be used to urge the clamp sections (228) (230) directly together.

Abstract: The drop terminal includes a plurality of fiber optic adapters having outer connector ports that are accessible from outside the drop terminal. The drop terminal receives a fiber optic cable having a plurality of optical fibers. Fiber optic connectors are positioned at the ends of the optical fibers. The fiber optic connectors are inserted into inner connector ports of the fiber optic adapters. The drop terminal also includes an anchor block for securing the fiber optic cable to a main housing of the drop terminal. The anchor block can be secured to the main housing of the drop terminal by a mechanical interlock. The drop terminal may also include a transparent interior shield or liner that retains fibers in position within the drop terminal during assembly of the drop terminal.