A network cable has four twisted pairs. Each twisted pair includes first and second insulated conductors of 21 AWG. Each twisted pair includes a bisector tape located between the first and second twisted insulated conductors. The 21 AWG conductor allows for longer distance transmission of data and PoE. A thinner wall of insulation on 21 AWG conductors allows the network cable to be terminated to industry standard RJ45 jacks and plugs, which were designed to accommodate 22-24 AWG insulated conductors, while the bisector tapes allow the network cable to exhibit nominal 100 ohm impedance between the insulated conductors of each twisted pair.
The present disclosure relates to fiber optic connectors having integrated features for protecting the optical fibers of the fiber optic connectors. The fiber optic connectors can include protective features such as retractable noses and shutters. The fiber optic connectors include fiber anchoring units with tapered front sections for preventing micro-bends.
Fiber adapters are mounted on a movable adapter module. The adapters can shift vertically as well as pivot, to provide additional clearance for any selected adapter for improved connector access. An adapter metal clip snaps into a keyhole on the adapter module. The keyhole dimensions allow for vertical movement and pivoting. Notches on the adapter module body are placed (top, middle, and bottom) in support walls that provide strength and allow for pivoting of the adapters.
A cable enclosure assembly includes an enclosure, a cable spool and a length of fiber optic cable. The enclosure defines an interior region, a first opening and a second opening aligned with the first opening. The first and second openings provide access to the interior region. The cable spool is disposed in the interior region of the enclosure and is rotatably engaged with the enclosure. The cable spool includes a drum and a flange engaged to the drum. The flange has an outer peripheral side, a cable management portion and an adapter bulkhead portion. The adapter bulkhead portion extends outwardly from the cable management portion and forms a portion of the outer peripheral side. The length of the fiber optic cable is dispose about the drum of the cable spool.
Devices, arrangements and methods for fixing telecommunications cables relative to a telecommunications closure. Features of the devices and arrangements can make more efficient use of an interior closure volume and enhance a closure's capabilities with respect to handling different types of telecommunications cables and optical fiber routing schemes.
A flat drop cable includes a jacket having a length that extends along a central longitudinal axis and defines a transverse cross-sectional profile having a thickness and a width. The thickness is less than the width. First and second GRP rods are embedded within the jacket. Three or four buffer tubes are embedded within the jacket, between the first and second GRP rods. The buffer tubes are stranded, and each includes a plurality of optical fibers. Even though the flat drop cable includes three or four buffer tubes, the flat drop cable is compatible with conventional clamps commonly used with a flat drop cable having a single buffer tube. The flat drop cable may be abutted to one or more empty micro-ducts and the elements surrounded by an extruded over-jacket.
Devices, arrangements and methods for routing and connecting optical fibers at fiber organizers of telecommunications closures. The organizers include pivotal tray arrangements for improved versatility and quantity of fiber routing configurations within a telecommunications closure of a given size.
Optical fiber management tray with optimized dimensions and/or features for managing optical fiber ribbons at a rack mountable and slidable distribution tray of telecommunications equipment.
The present disclosure relates to a method of preparing a fiber optic circuit, the method comprising coating all of the optical fibers terminated to and extending from a multi- fiber connector with a coating so as to fix the fibers relative to each other to form multiple and separate fiber ribbons, each ribbon including a plurality of coated fibers.
A cable management system including cable support members held by cross-members to define a cable winding path. Certain types of cross-members are selectively configurable in a first angular position or a second angular position relative to each other. Certain types of mounting brackets hold the cross-members in the selected angular position. Certain types of the cable support members are positionable at any of a plurality of positions along the cross-members to size the cable winding path as desired. Certain types of cross-member support multiple pairs of oppositely facing cable support members to define multiple layers of the cable winding path.
A network architecture and a rack-mounted enclosure for an office building allows end user devices far from a main equipment room to communicate with servers and outside provider services available within the equipment room. Network cabling includes at least one optical fiber to establish communication between the equipment room and the enclosure and electrical conductors to carry high voltage pulses, exceeding 300 Volts DC, from the equipment room to the rack-mounted enclosure. The rack-mounted enclosure includes power conversion equipment to convert the high voltage pulses into a lower voltage DC output and/or an AC power output. The rack -mounted enclosure may optionally include one or more slots to accept a data connection module to establish communication between the at least one optical fiber and a plurality of ports.
H04B 10/80 - Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups , e.g. optical power feeding or optical transmission through water
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.
A fiber optic connector arrangement includes a printed circuit board coupled to a connector housing. The printed circuit board includes a memory storage device that is configured to store physical layer information pertaining to the fiber optic connector arrangement. The printed circuit board also defines contacts that are electrically coupled to the memory storage device to enable the physical layer information to be read from the memory storage device by a media reading interface. A connector assembly includes at least one adapter assembly; a printed circuit board; and a media reading interface. The connector assembly also may include a tactile pressure sensor. The adapter assembly defines at least a first port and a second port that are configured to connect optical fibers of two connector arrangements. One or more connector assemblies can be mounted to a fiber panel system.
A fiber optic telecommunications device includes an enclosure defining an interior. A first fiber optic adapter is provided at the enclosure. A spool is provided at an exterior of the enclosure. A fiber optic cable, which includes a first optical fiber, is wrapped around the spool. A first fiber optic connector is mounted at a first end of the first optical fiber. The first end of the first optical fiber is positioned within the interior of the enclosure. The first fiber optic connector is inserted within the first fiber optic adapter. The enclosure and the spool are configured to rotate in unison about a common axis when the fiber optic cable is unwound from the spool.
Disclosed herein are cable sealing devices having features for enhancing effective sealing, volume compensation, seal pressurization, cable size range-taking, cable installation and insert installation. Also disclosed herein is an enclosure including at least one cable sealing device.
A coupler includes a housing and a contact sub-assembly. The housing includes a channel having openings at first and second ends of the housing. The first end receives a first connector having a first pair of contacts and the second end receives a second connector having a second pair of contacts. The contact sub-assembly includes exactly one pair of coupling contacts and a body portion supporting the pair of coupling contacts. The contact sub-assembly is positioned centrally within the housing and includes an anti-rotation feature and one or more crush ribs to create an interference fit with an interior surface of the housing. The pair of coupling contacts serve to couple the first and second connectors for both power and data transmission. In certain embodiments, contacts sub-assembly utilizes a circuit board to electrically couple contacts.
An optical power detection system comprises a sensor and a reader. The sensor is configured to detect light in the cladding of an optical fiber. The sensor is positioned both within a ferrule of the optical fiber and proximate the cladding. The sensor is additionally configured to produce an output signal representative of the detected light. The reader is electrically coupled to the sensor and is configured to receive the sensor output signal. The reader is additionally configured to operation on the output signal to produce a corresponding visual and/or audible indication of the optical power in the optical fiber.
The present disclosure relates to staggered breakout assembly using split mesh sleeving. The present disclosure also relates to a staggered breakout assembly having a fiber optic cable that transitions into a plurality fiber optic subgroups at a main transition housing and a plurality of furcations at a plurality of furcation tube transition housings. The present disclosure also relates to a split mesh sleeving including a longitudinal seam having an open and closed position with a bias toward the closed position, wherein the split mesh sleeving has breakout openings circumferentially spaced from the longitudinal seam to enable furcations to travel through the breakout openings.
A fiber optic furcation assembly includes a main fiber optic cable structure, a plurality of furcation tubes, and a housing with a cavity including a transition portion. A plurality of optical fibers each continuously and uninterruptedly extends through an end portion of a jacket of the main fiber optic cable structure, the transition portion of the cavity of the housing, and a respective one of the plurality of furcation tubes. In one embodiment, the cavity includes a securing portion including a plurality of protrusions. The plurality of protrusions defines a plurality of locating channels and at least one securing channel that intersects the locating channels. Bonding material is positioned within the securing channel and bonds the plurality of furcation tubes to the plurality of protrusions. In another embodiment, a cable mount includes a housing attachment, a cable jacket attachment, and a passage. The housing attachment is mounted within a port of the housing. Each optical fiber also extends through the passage of the cable mount, respectively.
A fiber optic connector and cable assembly includes a cable with one or more strength members secured to a connector that is connectable to both a hardened and a non-hardened fiber optic adapter. The cable can include multiple cable types with various shapes and strength member configurations. The connector includes a connector housing having a one-piece main body and a cover piece mounted thereon. The one-piece main body defines a plug portion compatible with the adapters. A ferrule assembly is mounted in the plug portion and biased outwardly by a spring. An insert within the connector housing includes a spring stop for holding the spring and a cable retention portion for securing the strength members of the cable. The spring stop and the cable retention portion can be included on a one-piece insert or they can separately be included on separate inserts. The cable retention portion of the insert and the cover piece can take various forms suited for a particular cable of a given fiber optic connector and cable assembly.
A telecommunications assembly includes a chassis and a plurality of fiber optic splitter modules mounted within the chassis. Each splitter module includes at least one fiber optic connector. Within an interior of the chassis are positioned at least one fiber optic adapter. Inserting the splitter module through a front opening of the chassis at a mounting location positions the connector of the splitter module for insertion into and mating with the adapter of the chassis. The adapters mounted within the interior of the chassis are integrally formed as part of a removable adapter assembly. A method of mounting a fiber optic splitter module within a telecommunications chassis is also disclosed.
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
G02B 6/46 - Processes or apparatus adapted for installing optical fibres or optical cables
An optical fiber ribbon is manufactured in a rolled configuration so that the rolled configuration is the natural state for the optical fiber ribbon. The optical fiber ribbon is curled into the rolled configuration as the fibers are sequentially added to the ribbon. For example, the ribbon can be indexed in a spiral as each new fiber is bonded to the previously added fiber.
Distributed optical tapping architectures include two or more optical tap terminals daisy-chained together. Each optical tap terminal includes an environmentally sealed enclosure; an optical tapping circuit positioned within an interior of the enclosure, the optical tapping circuit including an tap input, a tap pass-through output, and a tap drop output; and hardened interface locations (e.g., de-mateable fiber optic connection locations, cable-pass through glands, etc.) corresponding to the tap input, the tap pass-through output and the tap drop output.
A method of changing the split ratio of a given fiber optic distribution element having a 1:n fiber optic splitter within a first module includes providing a upgradable splitter module that has a 1:n fiber optic splitter and 1:2 fiber optic splitter within a housing of the upgradable module housing and providing a patch between an output of the 1:2 fiber optic splitter and an input of the 1:n fiber optic splitter that is within the first module.
The present disclosure relates to a system for making or assembling fiber optic connectors that allows a pre-terminated fiber optic cable to be made compatible with any number of different styles or types of fiber optic connectors or fiber optic adapters. A connector core of the system can be used as a stand-alone connector with a small form-factor adapter.
Devices and assemblies for fixation of non-round cables. Devices and assemblies for fixation of cables interior to and exterior to, a cable sealing module of a telecommunications closure.
A telecommunications tray assembly includes a groove plate, a telecommunications tray, and a connection arrangement rotatably connecting the tray to the groove plate. The assembly can include a positioning arrangement enabling the telecommunications tray to be retained in an open position, the positioning arrangement including a positioning member associated with one of the groove plate and the telecommunications tray, wherein the positioning member has an asymmetrical cross-sectional shape. The connection arrangement can include a pair of arms defining apertures receiving a pair of hinge members, wherein the apertures have an elongate cross-sectional shape and the pair of hinge members have a circular cross-sectional shape.
Disclosed herein is a ferrule assembly. The ferrule assembly comprises a ferrule having an inner diameter surface. The ferrule assembly also comprises an adhesion promotor coating composition comprising an amine functionality, a glycidyl functionality, a thiol functionality, an oxirane functionality, or any combination thereof and a radical cure initiator. The ferrule assembly may further comprise an inorganic hydrolysable layer on the inner diameter surface. The ferrule assembly may also further comprise an adhesion promotor coating on the inorganic hydrolysable layer of a composition.
Keying may be used to indicate various features of cables, cable connectors, and/or equipment. The keying mechanisms of the connectors systems disclosed herein identifies whether each plug is a pinned plug or a pinless plug. The keying mechanisms disclosed herein identify the number of optical fibers terminated at each plug. For example, one type of keying mechanism may indicate a cable plug manufactured under a 40 Gb/sec standard and another type of keying mechanism may indicate a cable plug manufactured under a 100 Gb/sec standard. The keying mechanisms may indicate a cabling/wiring pattern to be used (e.g., indicates a polarity of the cable). The cables and/or plugs may be color coded based on the keying mechanism. Accordingly, the keying may alert a user to the features of the cable that are not readily apparent upon a cursory inspection.
A communications panel includes a tray carrying one or more cassettes guides. Any of a variety of sized cassettes can fit on the tray by spanning the cassette guides. Cassettes of different sizes have different corresponding gaps between cassette guides. Certain types of cassettes having bottom channels that have entrances spaced rearwardly from a front of the cassettes. Cable guides can be movably mounted to the tray to accommodate cable routing and/or movement of the cassettes. Each cable guide has limited travel along a respective cable guide positioning region.
The present disclosure relates to a fiber optic distribution architecture for an optical network that uses a relatively low fiber count cable and implements passive optical power splitting at or near an edge of the network. Optical components for building/deploying the architecture are also disclosed.
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
A bladed chassis system facilitates installation of the bladed chassis system and replacement of the blades at the chassis. For example, a front panel of the blade can be opened either upwardly or downwardly at the discretion of the user. Blades can be inserted and removed from the front and/or the rear of the bladed chassis system at the discretion of the user. Cables can be routed to the rear of the chassis system from either of two sides at the discretion of the user. The blades carried by the chassis have fiber management trays that can be rotationally oriented in any desired rotational position at the discretion of the user.
A crimp body for a connector defines a front end, a rear end, a top wall, a bottom wall, a side slot on each of a right side and a left side for receiving an optical fiber, wherein the side slot on each of the right side and the left side extends all the way from the front end to the rear end and is configured for receiving the optical fiber laterally generally perpendicular to a central axis defined by the crimp body, the crimp body including a rear projection defining the rear end of the crimp body, the rear projection configured to be captured by a crimp sleeve to be placed over the rear projection, wherein the portion of the side slot on each of the right and left sides that extends along the rear projection defines a maximum dimension in a direction from the top wall toward the bottom wall, wherein the portion of the side slot that extends along the rear projection is at least partially closed so as to reduce the size of the maximum dimension defined by the side slot that extends along the rear projection.
G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
H04B 10/80 - Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups , e.g. optical power feeding or optical transmission through water
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.
The present disclosure relates to enclosures (e.g., terminals) having multiple rows of connector ports at a first side of a housing of the enclosure. Release members for releasing connectors from the connector ports of first and second ones of the rows are all accessible from a second side of the housing of the enclosure.
The present disclosure relates to an enclosure having a perimeter sealing arrangement. The enclosure includes a containment structure such as an elastomeric cup that assists in positioning sealant of the perimeter sealing arrangement at different levels.
A system and/or a method for configuring an optical fiber management organizer of a telecommunications closure. The system and/or method allows common organizer pieces, such as baskets, trays and tray supports, to be used in configuring an organizer to accommodate different fiber management needs.
A fiber optic splice organizer includes a mounting bracket, and at least one tray attached to the mounting bracket. The tray has a first length and an interior volume for storing fiber optic splices. A modular extension is attachable to the tray to increase the tray length and capacity. And interlocking arrangement including dovetails connects the modular extension to the tray. A cover over the modular extension can include a Sperry screw, alignment posts, and epoxy openings. The cover can include a curved shape over the fiberoptic adapters.
The present disclosure relates to methods, devices and systems for co-axially aligning first and second optical fibers to provide an optical coupling between the first and second optical fibers. A fiber engagement element is used to force the first and second optical fibers into an alignment groove.
An optical fiber management tray assembly with improved work surface access. The assembly includes a first piece and a second piece pivotally attached to the first piece. The first piece is configured to pivotally attach to a tray support structure. One or more fiber management components are positioned on an interior side of the second piece. The second piece can be pivoted away from the first piece to provide access to the one or more fiber management components.
A telecommunications assembly includes a chassis defining an interior region and a tray assembly disposed in the interior region. The tray assembly includes a tray and a cable spool assembly. The cable spool assembly is engaged to a base panel of the tray. The cable spool assembly is adapted to rotate relative to the tray. The cable spool assembly includes a hub, a flange engaged to the hub and an adapter module. The flange defines a termination area. The adapter module is engaged to the termination module of the flange. The adapter module is adapted to slide relative to the flange in a direction that is generally parallel to the flange between an extended position and a retracted position.
In a PON network, a connection panel connects a new upgraded OLT card to all of the PON networks (customers) with a splitter arrangement. On Day 1, the signal is by four (a 1X4 splitter arrangement, including a 1X2 splitter and two 2X2 splitters) wherein the upgraded signal is shared by all of the PON networks. On Day 2, a second OLT card is added to the network. The splitter which divides the signal by two (a 1X2 splitter arrangement using the same 2X2 splitters) wherein the upgraded signal is shared by the PON networks, doubling the data capacity to the customers. On Day 3, third and fourth OLT cards are added to the network. The connection panel connects each of the cards to each of the PON networks, again doubling the data capacity to the customers over the two card arrangement on Day 2.
The present disclosure relates to an epoxy tube for an optical fiber connector. The tube can be mounted to a ferrule hub by a snap fit connection. The connection between the tube and the ferrule hub allows for float of the epoxy tube where the epoxy tube is not rigidly attached to the hub. The epoxy tube can be configured to move about an arc of rotational circular movement while remaining linear such that the epoxy tube does not bend or transfer forces to the hub.
Multi-piece device assemblies for fixing cables, such as fiber optic cables, in a telecommunications closure. Features of the assemblies can improve versatility and flexibility in fixing different numbers of cables at different times, as network and connectivity needs for the telecommunications closure change. In an embodiment, the assembly includes two body pieces that can each support a cable fixation and that removably interlock with each other.
A method of separating a ribbon of optical fibers held together by bonding material. The method includes the steps of routing a thread around each of the optical fibers and moving the thread in a first direction to bread the bonding material between the optical fibers.
A telecommunications equipment frame including a base, and two vertical uprights, and a top member; the upright members defining an upper equipment zone and a lower cable tray zone. One or more front trays are in the lower cable tray zone, and openings are provided through the frame to one or more rear trays. The equipment zone defined by the two uprights is open without cable management structure for receiving telecommunications equipment. At least one slack storage zone adjacent to the central zone includes a plurality of cable management devices for storing cable slack.
An optical cable includes a central strength member. A buffer tube, surrounding at least one optical fiber, is SZ stranded around the strength member. An air gap exists between adjacent lays of the buffer tube as the buffer tube follows a SZ stranding path along the strength member. The buffer tube has a diameter and occupies a first angular portion of the three hundred sixty degrees surrounding the strength member, and the air gap occupies a second angular portion of the three hundred sixty degrees surrounding the strength member, which is greater than the first angular portion. At least one element holds the buffer tube in the SZ stranding path along the strength member, and an outer jacket surrounds the at least one element, the buffer tube and the strength member.
Devices, arrangements and methods for fixing components of telecommunications cables relative to a telecommunications closure. Features of the devices and arrangements can improve installability, maintenance and handling of different types of telecommunications cables and optical fibers at a telecommunications closures.
The present disclosure provides a system and method for connecting an optical fiber to a ferrule. The system and method facilitate the process of epoxying the optical fiber in a manner that avoid inadvertently adhering the fiber to the side of a connector housing, which can result in breakage of the optical fiber when in the field. The system and method provide a mechanism for easily epoxying the optical fiber to the ferrule while still allowing for some radial movement of the optical fiber within the connector housing, which is desirable. The system and method incorporate an end cap that centers the optical fiber in the connector housing during the connection process and also acts as a strain relief when in the field.
A fiber routing system including a plurality of two/multi fiber cables terminated at each end a two/multi fiber connector, wherein each of the two/multi fiber cables is a key up to key down arrangement; a plurality of two/multi fiber adapters each connecting two of the two/multi fiber connectors of two two/multi fiber cables, wherein the two two/multi fiber cables are connected end to end, wherein each of the two/multi fiber adapters have a key up to key down arrangement. The cables connect first equipment and to second equipment. A plurality of transition cable arrays can be included, each including a plurality of optical fibers, wherein a plurality of two/multi fiber connectors are at the first end, and wherein at least one MPO fiber connector is at the second end. MPO fiber adapters having a key up to key up arrangement, and a multi fiber trunk cable array is terminated at each end by an MPO fiber connector, wherein the multi fiber trunk cable array has a key up to key up arrangement, the multi fiber trunk cable array being connected to two of the MPO fiber adapters.
The present disclosure relates to systems, apparatuses and methods for efficiently manufacturing telecommunications enclosure customized to meet customer needs. The system can include a terminal housing and port units bondable to the terminal housing.
A telecommunications enclosure system includes a terminal assembly including an optical terminal that mounts to a terminal mounting bracket via a mechanical coupling interface. The mechanical coupling interface includes a release actuator that allows the optical terminal to be released from the terminal mounting bracket by accessing the release actuator from a first side of the terminal assembly, and also allows the optical terminal to be released from the terminal mounting bracket by accessing the release actuator from an opposite second side of the terminal assembly.
A coaxial connection device for a male coaxial connector, in the form of a stinger, resides within a housing. The housing has a port with a cylindrical wall with a conductive inner thread. The stinger has a conductive outer thread, sized to mate with the inner thread. A center conductor of the male connector enters a hole within the port. A circuit board within the housing supports a tube-like receiving chamber with an opening to receive the center conductor. The receiving chamber has a frictional member to establish an electrical connection with a sidewall of the center conductor. An insulation material surrounds the receiving chamber. A shield surrounds the insulation material. An RF tab is attached to the frictional member and communicates signals from the center conductor to elements of the circuit board. A ground tab is attached to the shield and grounds the shield to a ground plane of the circuit board.
H01R 24/50 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
A fiber optic cassette includes a body defining a front and an opposite rear. A cable entry location, such as a multi-fiber connector, is defined on the body for a cable to enter the cassette, wherein a plurality of optical fibers from the cable extend into the cassette and form terminations at one or more single or multi-fiber connectors adjacent the front of the body. A flexible substrate is positioned between the cable entry location and the connectors adjacent the front of the body, the flexible substrate rigidly supporting the plurality of optical fibers. Each of the connectors adjacent the front of the body includes a ferrule. Dark fibers can be provided if not all fiber locations are used in the multi-fiber connectors. Multiple flexible substrates can be used with one or more multi-fiber connectors.
A physical connectivity status monitoring system for use with cabling infrastructure. The system includes at least one camera assembly. The camera assembly is positioned to image at least a portion of the cabling infrastructure to be remotely viewed by a remote monitoring system. The camera assembly includes at least one infrared camera. At least one access point is in communication with the camera assembly. The at least one access point provides a communication interface between the camera assembly and the remote monitoring system.
G01N 21/88 - Investigating the presence of flaws, defects or contamination
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
62.
EXTENDED COMMUNICATION COVERAGE SYSTEM FOR SHORT RANDOM ACCESS CHANNEL FORMAT
A communication system having an extended communication coverage system for short random access channel (RACH) format is provided that includes a base station. The base station is configured to interface communications between a core network of a service provider and a distributed antenna system. The base station is configured to generate a full length N symbol RACH preamble sequence signal that is transmitted by a plurality of RAUs of the DAS. A full N symbol cross-correlation between a returned signal and the generated signal is conducted by the base station and a delay is determined based on a maximum peak magnitude in a result of the full N symbol cross-correlation. A timing advance associated with the delay is sent to a user equipment (UE) seeking to communicate with the core network to allow the UE to synchronize communications.
A mounting plate supports a connection module for attachment to a pair of first and second network rack rails. The connection module is supported within a window formed within the plate, such that a rear portion of the connection module extends away from a rear face of the plate to a first degree, and a front portion of the connection module is approximately flush with the front face of the plate, or at least extends away from the front face of the plate to a second degree, less than the first degree. The plate may be formed of a single piece of flat metal with the front face and the rear face, left/right side edges, and top/bottom edges. First and second ears and locking tabs, may be bent away from edges of the window within the plate to facilitate support for the connection module.
Devices, assemblies and methods for fixing a telecommunications cable. In certain embodiments, a cable fixation unit that can clamp a cable jacket also includes legs having feet that are mountable to a slotted support structure by inserting the feet into the support structure's slots in a sequence of motions.
The present disclosure relates to sealing arrangements for sealing locations where cables enter/exit enclosures. The sealing arrangements can include first and second cable sealing modules each including a cable sealing surface. The cable sealing surfaces of the first and second cable sealing modules oppose and contact one another at a cable pass-through sealing interface. The sealing arrangements can be adapted to enhance cable diameter range-taking, sealant conformability, and/or sealant recovery from deformation.
09 - Scientific and electric apparatus and instruments
Goods & Services
Metal cabinets specially adapted to protect telecommunications equipment in the nature of fiber optic cables; Computer hardware for telecommunications; Mounting racks for telecommunications hardware
The present disclosure relates to a cable sealing unit having an actuator for applying spring pressure to a sealant of the cable sealing unit. The actuator is adapted to prevent over compression of the sealant.
A factory processed and assembled optical fiber arrangement is configured to pass through tight, tortuous spaces when routed to a demarcation point. A connector housing attaches to the optical fiber arrangement at the demarcation point (or after leaving the tight, tortuous spaces) to form a connectorized end of the optical fiber. A fiber tip is protected before leaving the factory until connection is desired.
A communications panel is configured to hold a plurality of cassettes via cassette managers. The cassettes can be pre-mounted to the cassette managers before being loaded into the panel. The cassette managers can be vertically oriented within the chassis and may vertically orient the cassettes within the chassis. Alternatively, the cassette managers can be loaded into the panel prior to installing the cassettes on the cassette managers. The cassette managers route rear cables (e.g., input cables) of the cassettes to the front of the communications panel. Some types of cassette managers hold more than one cassette.
The present disclosure relates to a fiber optic cable that includes a plurality of internal optical fibers and a fiber optic cable portion. The fiber optic cable portion includes an outer jacket and an inner conduit, the inner conduit containing the plurality of optical fibers disposed therein. The fiber optic cable further includes a flexible conduit portion, wherein the flexible conduit portion has a proximal end and a distal end. The proximal end is secured to the fiber optic cable portion and the distal end has a terminating device. The terminating device at least partially encases the flexible conduit portion, and the plurality of optical fibers passes through the flexible conduit portion and the terminating device.
A fiber optic cable assembly includes an outer jacket defining a first passage and a second passage disposed adjacent to the first passage. The outer jacket includes a wall disposed between an outer surface of the outer jacket and the first passage. A plurality of optical fibers is disposed in the first passage. A reinforcing member is disposed in the second passage. An access member is disposed in the wall of the outer jacket.
A power and optical fiber interface system includes a housing having an interior. A cable inlet is configured to receive a hybrid cable having an electrical conductor and an optical fiber. An insulation displacement connector (IDC) is situated in the interior of the housing configured to electrically terminate the conductor, and a cable outlet is configured to receive an output cable that is connectable to the IDC and configured to output signals received via the optical fiber.
Port occupancy can be detected by positioning signal responders on shutters disposed at the ports. The signal responders are detectable when the shutters are undeflected (i.e., the respective ports are available). The signal responders are not detectable when the shutters are deflected (i.e., the respective ports are occupied). The signal responders may include RFID tags. Each shutter having a corresponding signal responder may span more than one port.
The present disclosure relates to enclosures, systems, methods, designs, and assemblies for converting (e.g., modifying, retrofitting, etc.) fiber optic connector cores to be compatible with different connector ports. The present disclosure also relates to connector configurations. The assembly relates to a cable assembly including a cable with an optical fiber and a connector core. The connector core may include a connector core housing, where the optical fiber passes through the connector core housing and is supported at the front end of the connector core housing.
The present disclosure relates to an enclosure mounting apparatus (e.g., a mounting bracket which may include a mounting plate) having a molded plastic construction. In certain examples, the enclosure mounting apparatus is configured to be compatible with a number of different styles (e.g., sizes, models, etc.) of telecommunications enclosures.
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
An equipment panel includes one or more trays disposed within a chassis. Each tray has a two-layer termination region. Certain trays have a two-layer splice region. The splice region can be used to optically couple preterminated fibers within the tray to a trunk cable. Alternatively or in addition, the splice region can be used to fix broken fiber connections. A cable anchor and fanout arrangement mounts to the chassis as a unit.
A strain relief boot and fiber optic connectors and modules having strain relief boots are provided. The strain relief boots of the present disclosure are flexible enough to bend when small side loads are applied to the boot and stiff enough to resist bending when large side loads are applied to the boot. In one embodiment, the strain relief boot is constructed of multiple different materials each having different stiffness properties.
A fiber optic ferrule includes a body extending from a first end to a second opposite end, with the body including an axial passage extending between the first and second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, and a second diameter portion having a diameter of at least 250 microns and less than a diameter of the buffer, the second diameter portion positioned between the first diameter and the second end. The axial passage further defines a tapered shape at the second end extending inward from the second end to the second diameter portion. A hub holds the ferrule. A method of assembling a terminated fiber optic cable is also provided.
A mounting plate assembly includes a main plate for receiving fiber optic adapters in openings where one or more flanges and one or more spring clips secure the fiber optic adapter to the main plate. A secondary plate with corresponding openings positioned in a spaced apart orientation relative to the main plate for receiving a body portion of each fiber optic adapter, wherein the secondary plate restricts rotational movement of the fiber optic adapters relative to the main plate relative to a connection axis of each fiber optic adapter. The mounting plate assembly is part of a panel or module which has an enclosed or partially enclosed interior behind the main plate.
A trough cover assembly for a cable trough, including a first panel, a second panel, and a hinge member. The panels, defined by a width between two edges, are pivotably coupled on one side to the cable trough and on the other side to the hinge member. The hinge member's positioning allows both panels to pivot independently, enabling the assembly to transition between a closed position, covering the cable trough's channel, and an open position, providing access to the channel.
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
82.
FIBER MANAGEMENT TRAY ASSEMBLIES AND METHODS FOR IMPROVED FIBER MANAGEMENT VERSATILITY IN TELECOMMUNICATIONS CLOSURES
Optical fiber management assembly of a telecommunications closure and/or a method of assembling the assembly. The assembly includes a basket for storing looped optical fibers and a support structure for pivotally supporting fiber management trays. The support structure is directly mountable to the basket at any of multiple selectable locations to provide versatility of fiber management on selectable fiber management trays of different sizes within the telecommunications closure.
Certain splice arrangements include first and second laminate structures bonded around a splice location at which two or more optical fibers are spliced (e.g., fusion spliced) together. The first and second laminate structures each include a flexible polymeric sheet and a heat activated adhesive layer carried by the flexible polymeric sheet. Other splice arrangements include a protective barrier disposed about an optical splice. The protective barrier includes first and second protective layers bonded around the optical splice. Each protective layer include a film carrying an adhesive. The protective barrier may be sufficiently flexible to not restrict flexing the optical fibers at the splice location. Example splice arrangements have thicknesses of less than or equal to 1000 microns, or 900 microns, or 800 microns, or 700 microns, or 600 microns or 500 microns.
The invention relates to a connector (1) for data connections, in particular of the RJ type, with a latch element (6) for securing a connection to a counter-connector. In order to simplify a disconnection of the connector (1) and the counter-connector, even when the connection is secured by the latch connection, the invention provides that the connector (1) is provided with a gripping end (5, 5′) that is adapted to transfer the latch element (6) from its latch position (L) and to disconnect the connector (1) from the counter-connector by a single movement.
H01R 13/633 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure for disengagement only
H01R 24/64 - Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
H01R 43/26 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
85.
SYSTEM AND DEPLOYMENT METHOD FOR A FIBER OPTIC CONNECTOR ASSEMBLY HAVING A BLOWABLE SECTION AND A NON-BLOWABLE SECTION
Systems, assemblies and methods for deploying an optical fiber through a duct to a customer premises. A blowable section of the optical fiber is blown through the duct. A non-blowable section of the optical fiber is coupled to a trail end of the duct. The non-blowable section can be terminated with a hardened or ruggedized connector. The optical fiber, including both the blowable and non-blowable sections, can be wound around a spool for easy payout of the blowable section.
A coexistence module usable at secondary locations within a routing optical network is disclosed, which accommodates OTDR testing on the optical network without requiring a separate, dedicated fiber connected between secondary locations for such testing. Rather, a filter arrangement is used in which OTDR wavelengths are separated from transmission wavelengths and optically connected to bypass router equipment at the secondary location.
H04B 10/071 - Arrangements for monitoring or testing transmission systemsArrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
The present disclosure relates to turn-to-secure connection interface for securing two components together. The turn-to-secure interface includes stop arrangements including a snap-fit feature.
A corrugated armoring layer for a communication cable is primarily formed of an elongated strip of metal or alloy, e.g., steel, having a first side and an opposite, second side. The armoring layer is wrapped around a cable core so that first and second side edges come to abut, or slightly overlap, and then are welded either continuously or intermittently to form a seam. In the case of intermittent welding, it is preferred that only the tops or outward-facing ridges of the corrugations are welded, such as every top corrugation or every other top corrugation is welded. A conductive adhesive tape may be applied along the seam as well, if additional environmental sealing and/or electrical shielding is desired.
A hybrid cable includes at least two bonded pairs of electrical conductors, such as four bonded pairs. The bonded pairs may be stranded about a central member and may also be bonded to each other. In one embodiment, the central member is a GRP rod, and one or two buffer tubes, each containing optical fibers, are stranded along with the bonded pairs about the GRP rod. In another embodiment, the central member is a tube and plural optical fibers are contained within the tube. Each bonded pair of electrical conductors carry digital or class 4 power from a transmitter card to a respective receiver card. Each bonded pair has unique indicia to facilitate the correct connections between the transmitter and receiver cards, such as tactile physical features on an outer surface of one of the electrical conductors of each bonded pair.
The present disclosure relates to a fiber optic adapter holder that includes a base member and a plurality of upright arms that extend upwardly from the base member. The plurality of upright arms together may define a pocket region that has an open, U-shape. A fiber optic adapter may be received in the open, U-shaped pocket region of the fiber optic adapter holder. When the fiber optic adapter is mounted within the pocket region of the fiber optic adapter holder, a height of the fiber optic adapter holder may be lower than or equal to a height of the fiber optic adapter.
An intelligent consolidated enclosure system is provided that includes a plurality of spaced edge convergence points positioned within a building. Each edge convergence point is located in an associated unique location within the building to provide services to the unique associated location. Each edge convergence point includes an edge convergence switch and an intelligent control board (ICB). The edge convergence switch is coupled to a plurality of the powered network devices providing services with the associated unique location. The ICB is coupled to the edge convergence switch and a central power supply. The ICB is configured to manage power distribution and monitoring for the associated plurality of the powered network devices.
H04L 43/0811 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
H04B 7/024 - Co-operative use of antennas at several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
The present disclosure relates to a telecommunication enclosure including a housing and fiber tubes integrated with the housing. The fiber tubes can be integrated with a base of the housing. The fiber tubes can also be integrated with a carrier body of the housing that mounts within an opening of the housing (e.g., an opening in a base of the housing).
A cable management trough member designed for organized cable routing and separation within various environments. The trough member including a base with a planar top surface, bounded by a first end, a second end, and opposing sides, forming a perimeter. Extending upward from the base are a first and a second sidewall, together with the base forming a trough-like shape. An intermediary divider, situated between the sidewalls, rises from the base to a defined top edge, contributing to the structural integrity and functionality of the trough. The divider can be characterized by a materially weakened area near its base, which enhances flexibility and adaptability in cable management applications. The trough member is constructed as a single, unitary piece through an extrusion process, ensuring robustness and uniformity. The design includes distinct planar surfaces of the divider that are substantially orthogonal to the base, facilitating efficient cable organization and ease of access.
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
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.
The present disclosure relates to a cable seal for use in a telecommunications enclosure. The cable seal can include various features such as an offset actuator for pressurizing the seal, a latch for securing the seal in a pocket of an enclosure, a gel containment extension for covering a portion of a perimeter of a volume of gel of the seal, a gel interlock feature and/or a feature for adjusting the gel volume of the seal.
The present disclosure relates to systems for sealing the ends of fiber tubes such as fiber tubes used to receive blown optic fibers (e.g., fiber cables). The present disclosure also relates to systems for facilitating fixation of fiber tubes and fiber cables with respect to an enclosure.
A telecommunications enclosure is disclosed. In one example, the telecommunications enclosure includes an upper dome and a lower base. An O-ring seal can be compressed between a scaling surface of the upper dome and/or a sealing surface of the lower base to provide scaling thereinbetween.
A sensor system detects activity at a fiber optic closure, including whether the fiber optic closure has been opened, or whether movable components within the closure are moved. An optical sensor capable of sensing mechanical movement, and an OTDR signal communicates the sensed movement to a remote location, such as a central office.
G02B 6/42 - Coupling light guides with opto-electronic elements
G01D 5/353 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
An adapter structure for fixing a portion of a telecommunications cable to a telecommunications device and directing fibers within the cable into the device includes a crimp body and an outer mounting body. The crimp body defines a first side and a second side separated by a center portion and also includes two flexible legs extending from the first side and an integral crimp portion extending from the second side that has outer surface texturing. The outer mounting body includes a through-hole, where the two flexible legs of the crimp body fit into one end of the through-hole. It also includes tabs on opposing sides of the outer mounting body for slidable insertion into slots defined by the telecommunications device to prevent movement of the outer mounting body in a front to back direction, relative to the device.
