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.
A fiber optic and electrical connection system includes a fiber optic cable, a ruggedized fiber optic connector, a ruggedized fiber optic adapter, and a fiber optic enclosure. The cable includes one or more electrically conducting strength members. The connector, the adapter, and the enclosure each have one or more electrical conductors. The cable is terminated by the connector with the conductors of the connector in electrical communication with the strength members. The conductors of the connector electrically contact the conductors of the adapter when the connector and the adapter are mechanically connected. And, the conductors of the adapter electrically contact the conductors of the enclosure when the adapter is mounted on the enclosure.
An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining rearward cable connections and forward cable connections of the panel arrangement. Openings permitting access to the rearward and forward cable connections of the adapters are provided. The chassis further including a removable rear chassis portion to provide access to cable routing areas within the chassis interior.
Embodiments described by the present disclosure provide improved systems and methods for determining the location of a mobile device. In one embodiment, a system comprises a distributed antenna system (DAS) configured to relay signals to and from the mobile device. Further, the DAS comprises a hub unit; and multiple remote antenna units coupled to the hub unit, wherein signals relayed between the remote antenna units and the hub unit are delayed such that different signal paths between the remote antenna units and the hub unit have different delay times. The system also comprises a base station coupled to the hub unit, wherein the base station receives the signals from the hub unit and determines the delay of signals transmitted between the mobile device and the base station, wherein the system determines the location of the mobile device by using the delay for RF pattern matching.
H04M 11/04 - Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
H04W 24/00 - Supervisory, monitoring or testing arrangements
A bend radius limiter adapted for installation on a fiber guide is disclosed. In one aspect, the bend radius limiter has a main body with a generally rounded outer surface and an interior surface that defines an interior volume. The main body is also configured with a first slot opening in the generally rounded outer surface that may optionally function as a first or second connecting feature. The bend radius limiter can also include a first connecting feature configured to retain the bend radius limiter onto the fiber guide. In one embodiment, the first connecting feature is located within the interior volume and is radially aligned with the first slot opening.
A component for a closure is disclosed herein. The component includes a collar extending around a central axis. The component also includes a first expansion housing positioned outside the collar in a radial direction relative to the central axis. The first expansion housing has an interior region in communication with an interior of the collar. The first expansion housing also includes a first adapter mounting wall defining a plurality of first adapter mounting openings in which a plurality of first fiber optic adapters are mounted. The first fiber optic adapters include first connector ports adapted for receiving connectors from outside the first expansion housing.
A rack system includes one or more racks each configured to receive at least one distribution module. Each rack includes management sections located at the front of the rack; troughs located at the rear of the rack; horizontal channels extending between the management sections and the trough; a storage area located at a first of opposing sides of the rack; a front vertical channel that connects to the storage area and at least some of the management sections; and a travel channel at the rear of the first rack that connects the storage area to the troughs.
Electrical connector including a plurality of mating conductors. Each of the mating conductors extends between an engagement portion and an interior portion. The engagement portions of the mating conductors are configured to engage contacts of the mating connector. The engagement portions are located proximate to one another at a first nodal region. The interior portions are located proximate to one another at a second nodal region. The electrical connector also includes a first open-ended conductor electrically connected to the engagement portion of a first mating conductor of the plurality of mating conductors and extending from the first nodal region. The electrical connector also includes a second open-ended conductor electrically connected to the interior portion of a second mating conductor of the plurality of mating conductors and extending from the second nodal region. The first open-ended conductor is capacitively coupled to the second open-ended conductor.
A telecommunications jack, and a method of manufacturing such a jack, are disclosed. In one aspect, the jack includes a housing having a socket sized to receive either a first telecommunications plug of a first type or a second telecommunications plug of a second type having a different arrangement of electrical contacts as compared to the first telecommunications plug. The telecommunications jack also includes a plurality of contact springs exposed within the socket and positioned for alignment with electrical contacts of the first telecommunications plug when the first telecommunications plug is inserted into the socket. At least one of the contact springs remains unaligned with any of the electrical contacts of the second telecommunications plug when the second telecommunications plug is inserted into the socket, and is a resilient conductive material, At least one other contact spring of the plurality of contact springs are a second material having a lower resiliency than the at least one of the contact springs.
A fiber optic cable distribution box has an interface compartment for interfacing a first set of fibers when routed inside the compartment, with a second set of fibers associated with a fiber optic cable that is routed to the box. A drum region is disposed beneath the interface compartment. The drum region includes a cylindrical wall for supporting a fiber optic cable wound about the wall. The drum region is formed so that the box can turn about the axis of the cylindrical wall when a cable is paid out from the drum region. The interface compartment and the drum region are constructed so that the first set of fibers inside the interface compartment, originate from an inside end portion of the cable wound on the drum region.
A connector includes a ferrule assembly having a ferrule, a hub and a spring, the ferrule having a distal face accessible at a distal end of the connector housing, the ferrule being movable in a proximal direction relative to the connector housing. The distal and proximal positions are separated by an axial displacement distance. The ferrule proximal movement is against the spring's bias. The cable of the assembly includes an optical fiber contained within a jacket and also a strength layer between the fiber and the jacket that is anchored to the connector housing. The fiber extends through a fiber from the proximal end of the connector housing to the ferrule. The fiber has a distal portion potted within the ferrule. The fiber passage has a fiber take-up region configured to take-up an excess length of the fiber corresponding to the ferrule axial displacement.
A communication system includes a master host unit that communicates wireless spectrum with a service provider interface using analog spectrum. Master host unit communicates digitized spectrum in N-bit words over a digital communication link. Master host unit converts between analog spectrum and N-bit words of digitized spectrum. Communication system includes hybrid expansion unit coupled to master host unit by digital communication link. Hybrid expansion unit communicates N-bit words of digitized spectrum with master host unit across digital communication link. Hybrid expansion unit converts between N-bit words of digitized spectrum and analog spectrum. Hybrid expansion unit communicates analog spectrum across analog communication link to analog remote antenna unit. Analog remote antenna unit communicates wireless signals using first antenna. Communication system further includes a switch in a data path between service provider interface and antenna. The switch selects between transmit path and receive path in response to switching control signal.
The present disclosure relates to a fiber optic network configuration having an optical network terminal located at a subscriber location. The fiber optic network configuration also includes a drop terminal located outside the subscriber location and a wireless transceiver located outside the subscriber location. The fiber optic network further includes a cabling arrangement including a first signal line that extends from the drop terminal to the optical network terminal, a second signal line that extends from the optical network terminal to the wireless transceiver, and a power line that extends from the optical network terminal to the wireless transceiver.
H04B 10/00 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
H04B 10/2575 - Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
H04J 14/02 - Wavelength-division multiplex systems
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
G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
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.
A connector system includes a jack module mounted to a circuit board, which is connected to at least one processor. The jack module is configured to receive a plug connector having a first set of contacts spaced from a second set of contacts. The jack module includes a first contact arrangement configured to engage the first set of contacts of the plug and a second contact arrangement configured to engage the second set of contacts of the plug. The second contact arrangement is provided on a media reading interface, which may provide presence sensing. The first and second contact arrangements engage landings on the circuit board. One example jack module defines a right-angle jack.
One embodiment is directed towards a distributed antenna system (DAS). The DAS includes a host unit a plurality of remote units communicatively coupled to the host unit. The plurality of remote units are configured to implement a common arrangement of resource blocks for uplink transport signals. The host unit is configured to instruct a subset of the plurality of remote units to send a digital sample stream over a monitor path of their respective uplink transport signals. One or more simulcast modules are configured to sum the monitor paths from the respective uplink transport signals to generate a summed digital sample stream, the one or more simulcast modules configured to send the summed digital sample stream to the host unit. The host unit is configured to provide a signal based on the summed digital sample stream to one or more signal analysis modules.
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 telecommunications device includes a frame and a fiber optic module including a rack mount portion, a center portion, and a main housing portion. The rack mount portion is stationarily coupled to the frame, the center portion is slidably coupled to the rack mount portion along a sliding direction, and the main housing portion is slidably coupled to the center portion along the sliding direction. The main housing portion of the fiber optic module includes fiber optic connection locations for connecting cables to be routed through the frame. The center portion of the fiber optic module includes a radius limiter for guiding cables between the main housing portion and the frame, the center portion also including a latch for unlatching the center portion for slidable movement. Slidable movement of the center portion with respect to the rack mount portion moves the main housing portion with respect to the frame along the sliding direction.
A fiber optic connector and fiber optic cable assembly is disclosed. The assembly includes a fiber optic cable having a plurality of optical fibers. The assembly also includes a connector body, a multi-fiber ferrule and a protective housing. The fiber optic cable is anchored to a proximal end of the connector body and the multi-fiber ferrule is mounted at a distal end of the connector body. The multi-fiber ferrule supports end portions of optical fibers of the optical fiber cable. The protective housing mounts over the connector body. A dimensionally recoverable sleeve prevents contaminants from entering the protective housing through a proximal end of the protective housing. A dust cap and sealing member prevent contaminants from entering the protective housing through a distal end of the protective housing.
A fiber optic cable and connector assembly including a fiber optic connector mounted at the end of a fiber optic cable. The fiber optic connector includes a ferrule assembly including a stub fiber supported within a ferrule. The stub fiber is fusion spliced to an optical fiber of the fiber optic cable at a location within the fiber optic connector.
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.
A fiber optic connector assembly includes a connector and a carrier. The connector has a first mating end and a second end and a first optical fiber terminated thereto. The fiber defines a first end adjacent the mating end and a second end protruding from the second end of the connector. A polymeric carrier having a connector end and an oppositely disposed cable end is engaged with the connector. The carrier includes a heat activated meltable portion adjacent the cable end. An alignment structure is disposed on the carrier that includes a first end, a second end, and a throughhole. The first end of the alignment structure is for receiving the second end of the first optical fiber and the second end of the alignment structure is for receiving an end of a second optical fiber entering the cable end of the carrier. The heat activated portion of the carrier is configured to melt and assume a flowable condition when exposed to a predetermined amount of heat and resolidify when the heat is removed for bonding the second optical fiber to the carrier after the first fiber is aligned with the second fiber.
Interconnect cabinets for optical fibers include an enclosure and a splitter and termination panel mounted in the enclosure. The splitter has a plurality of optical fiber-connectorized pigtails extending therefrom. Each of the connectorized pigtails is associated with an optical fiber feeder cable to be coupled to a central office. The termination panel has a plurality of optical fiber connection members, ones of which are associated with respective subscriber locations. The connectorized pigtails have a cable length sufficient to allow connection to the plurality of connection members.
An integration panel comprises a control module, a plurality of radio frequency (RF) modules, and a backplane configured to couple the plurality of RF modules to the control module. Each of the plurality of RF modules is configured to be coupled to a respective network device and to a host unit of a distributed antenna system. Each RF module is further configured to condition the RF signals received from the respective network device and to provide the conditioned RF signals to the host unit. Each of the RF modules is configured to sample the conditioned RF signals and to provide the sampled RF signals to the control module via the backplane. The control module is configured to perform signal analysis of the sampled RF signals and to provide the results of the signal analysis to a user device located remotely from the integration panel.
A fiber optic and electrical connection system includes a fiber optic cable, a ruggedized fiber optic connector, a ruggedized fiber optic adapter, and a fiber optic enclosure. The cable includes one or more electrically conducting strength members. The connector, the adapter, and the enclosure each have one or more electrical conductors. The cable is terminated by the connector with the conductors of the connector in electrical communication with the strength members. The conductors of the connector electrically contact the conductors of the adapter when the connector and the adapter are mechanically connected. And, the conductors of the adapter electrically contact the conductors of the enclosure when the adapter is mounted on the enclosure.
A fiber optic cable includes an optical fiber, a strength layer surrounding the optical fiber, and an outer jacket surrounding the strength layer. The strength layer includes a matrix material in which is integrated a plurality of reinforcing fibers. A fiber optic cable includes an optical fiber, a strength layer, a first electrical conductor affixed to an outer surface of the strength layer, a second electrical conductor affixed to the outer surface of the strength layer, and an outer jacket. The strength layer includes a polymeric material in which is embedded a plurality of reinforcing fibers. A method of manufacturing a fiber optic cable includes mixing a base material in an extruder. A strength layer is formed about an optical fiber. The strength layer includes a polymeric film with embedded reinforcing fibers disposed in the film. The base material is extruded through an extrusion die to form an outer jacket.
An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining rearward cable connections and forward cable connections of the panel arrangement. Openings permitting access to the rearward and forward cable connections of the adapters are provided. The chassis further including a removable rear chassis portion to provide access to cable routing areas within the chassis interior.
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.
An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining open rearward cable connections and open forward cable connections of the panel arrangement. The adapters being arranged in arrays that slide independently of other adapter arrays to provide access to the open rearward and open forward cable connections.
Embodiments described herein are directed to a cable assembly including at least a first optical fiber extending from a first end to a second end and an active optical module (AOM) attached to the first end of the first optical fiber and including a first storage device that is electrically connected to the electrical connector. The cable assembly also includes a passive optical connector terminating the second end of the first optical fiber and including a second storage device. The first storage device includes an AOM identifier stored therein identifying the active optical module and the second storage device includes first information stored therein indicating that the first end of the first optical fiber is associated with the AOM identifier.
G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
H04B 10/07 - Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
H04B 10/079 - Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
Methods and systems for providing crosstalk compensation in a jack are disclosed. According to one method, the crosstalk compensation is adapted to compensate for undesired crosstalk generated at a capacitive coupling located at a plug inserted within the jack. The method includes positioning a first capacitive coupling a first time delay away from the capacitive coupling of the plug, the first capacitive coupling having a greater magnitude and an opposite polarity as compared to the capacitive coupling of the plug. The method also includes positioning a second capacitive coupling at a second time delay from the first capacitive coupling, the second time delay corresponding to an average time delay that optimizes near end crosstalk. The second capacitive coupling has generally the same overall magnitude but an opposite polarity as compared to the first capacitive coupling, and includes two capacitive elements spaced at different time delays from the first capacitive coupling.
Fiber optic connectors and adapters may be automatically secured and released via a management system. Such automation may inhibit accidental and/or unauthorized insertion of fiber optic connectors into adapter ports. The automation also may inhibit accidental and/or unauthorized removal of the fiber optic connectors from the adapter ports.
A cable sealing and cable anchoring system has a primary sealant assembly that includes a primary volume of sealant that defines primary through-ports. The primary sealant assembly includes a primary actuator for pressurizing the primary volume of sealant. The system also has a secondary cable tube that mounts within one of the primary cable through-ports and a secondary cable sealant assembly that mounts within a first end of the secondary cable tube. The secondary cable sealant assembly includes a secondary sealant volume that defines secondary cable through-ports. The secondary cable sealant assembly also includes a secondary actuator for pressurizing the secondary sealant volume. The system further has a cable anchoring assembly for anchoring a strength member of a secondary cable to the secondary cable tube. The cable anchoring assembly is supported by the secondary cable tube adjacent the second end of the secondary cable tube.
A fiber optic telecommunications device includes a frame and a fiber optic module including a rack mount portion, a center portion, and a main housing portion. The rack mount portion is stationarily coupled to the frame, the center portion is slidably coupled to the rack mount portion along a sliding direction, and the main housing portion is slidably coupled to the center portion along the sliding direction. The main housing portion of the fiber optic module includes fiber optic connection locations for connecting cables to be routed through the frame. The center portion of the fiber optic module includes a radius limiter for guiding cables between the main housing portion and the frame, the center portion also including a latch for unlatching the center portion for slidable movement. Slidable movement of the center portion with respect to the rack mount portion moves the main housing portion with respect to the frame along the sliding direction.
A fiber optic telecommunications device includes a frame and a fiber optic module including a rack mount portion, a center portion, and a main housing portion. The rack mount portion is stationarily coupled to the frame, the center portion is slidably coupled to the rack mount portion along a sliding direction, and the main housing portion is slidably coupled to the center portion along the sliding direction. The main housing portion of the fiber optic module includes fiber optic connection locations for connecting cables to be routed through the frame. The center portion of the fiber optic module includes a radius limiter for guiding cables between the main housing portion and the frame, the center portion also including a latch for unlatching the center portion for slidable movement. Slidable movement of the center portion with respect to the rack mount portion moves the main housing portion with respect to the frame along the sliding direction.
A payout spool for a cable includes a base, a spool, and a disconnect/reconnect device. The cable extends between a first and a second end. The payout spool pays out the cable when the first end of the cable is pulled away from the payout spool. The base includes a terminal for transmitting and/or receiving a signal to and/or from the cable. The spool is rotatably mounted to the base about an axis. The spool is adapted to unwrap the cable about a wrapping area of the spool when the spool is rotated about the axis. The disconnect/reconnect device may be adapted to disconnect the second end of the cable from the terminal when the payout spool pays out the cable and reconnect the same when the payout spool is not paying out the cable.
B65H 75/38 - Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
H02G 11/02 - Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
37.
Distinct transport path for MIMO transmissions in distributed antenna systems
A hybrid expansion unit includes at least one digital communication interface adapted to communicate first and second sets of N-bit words of digitized spectrum with an upstream device. The hybrid expansion unit further includes at least one analog communication interface adapted to communicate first and second sets of bands of analog spectrum with a downstream device. The hybrid expansion unit is adapted to convert between the first set of N-bit words of digitized spectrum and the first set of bands of analog spectrum. The hybrid expansion unit is further adapted to convert between the second set of N-bit words of digitized spectrum and the second set of bands of analog spectrum. The first set of bands of analog spectrum occupy a first frequency range and the second set of bands of analog spectrum occupy a second frequency range. The first frequency range and the second frequency range do not overlap.
A communication system includes master host unit, hybrid expansion unit, and remote antenna unit. Master host unit communicates analog signals with service provider interfaces. Master host unit and hybrid expansion unit communicate N-bit words of digitized spectrum over communication link. Hybrid expansion unit converts between N-bit words and analog spectrum. Hybrid expansion unit and remote antenna unit communicate analog spectrum over analog communication medium. Remote antenna unit transmits and receives wireless signals over air interfaces. Master host unit includes master clock distribution unit that generates digital master reference clock signal. Master host unit communicates digital master reference clock signal over communication link. Hybrid expansion unit receives digital master reference clock signal from master host unit over communication link and generates analog reference clock signal based on digital master reference clock signal. Hybrid expansion unit sends, and remote antenna unit receives, analog reference clock signal across analog communication medium.
The present disclosure relates to a flush floor box that can be constructed at a lower cost and is easier to install than previously utilized flush floor boxes. The flush floor box includes a base and/or a leveling ring with integral features. The integral features help to reduce the cost of producing the flush floor box. The leveling ring can include ears/tabs for use in electrically grounding a top shield of a flat floor power cable.
Embodiments of the present invention provide improved systems and methods for adjusting system tests based on detected interference. In one embodiment, a system comprises a host unit; a system test controller to control the performance of system tests, wherein a system test to detect the reception of an interfering signal comprises disabling the generation of tones for transmission through the communication system. The system also comprises multiple remote antenna units communicatively coupled to the system test controller to transmit signals to multiple wireless terminals, wherein a remote antenna unit comprises: an antenna; a transceiver, coupled to the antenna; a signal detector that measures reverse and forward power of signals transmitted to and received from the antenna; and a microcontroller to control the antenna unit, wherein upon receiving a command to perform interference testing, the microcontroller adjusts a subsequent test based on measurements of the reverse power by the signal detector.
A remote antenna unit includes an uplink integrated circuit (IC) and a downlink IC. The uplink IC includes an uplink synthesizer that provides an uplink oscillating signal; an uplink mixer stage that mixes an uplink radio frequency signal with the uplink oscillating signal to produce an uplink intermediate frequency signal; and an uplink control interface that receives uplink commands that control the frequency of the uplink oscillating signal. The downlink IC includes a downlink synthesizer that provides a downlink oscillating signal; a downlink mixer stage that mixes the downlink intermediate frequency signal with a downlink oscillating signal to produce a down link radio frequency signal; a downlink control interface that receives downlink commands that control the frequency of the downlink oscillating signal. The antenna unit also includes a clock that provides a reference frequency to the uplink and downlink synthesizers.
Systems and methods for distributed antenna system reverse path summation using signal-to-noise ratio optimization are provided. In one embodiment, a method for reverse path summation for a distributed antenna system comprises: normalizing an uplink noise floor for a plurality of remote antenna units of a distributed antenna system, wherein the uplink noise floor is normalized based on a first remote antenna unit having a lowest noise floor of the plurality of remote antenna units; and scaling an uplink output gain of each of the plurality of remote antenna units by a scaling factor, wherein the scaling factor attenuates the uplink output gain based on a composite maximum host peak power for a host unit coupled to the plurality of remote antenna units.
The present disclosure relates to a fiber optic retention device to properly accommodate for cable management arrangements and schemes in telecommunication infrastructures that are massive in scale and/or require subsequent adaptation of the infrastructures. The device includes a C-shaped opening and a spring biased door which moves inwardly to allow cable entry and exit to the device. In one embodiment, the spring is an integral extension of the door. In another embodiment, the spring is a separate torsion coil spring.
G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
F16L 3/26 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
F16L 3/00 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
F16L 3/18 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in axial direction
A fiber optic enclosure includes a housing including a base and a cover that cooperatively define an interior region of the housing; and a cable spool assembly rotatably disposed in the interior region of the housing. The cable spool includes a drum portion; and a tray assembly engaged to the drum portion and configured to rotate in unison with the drum portion when the cable spool assembly is rotated relative to the base. The tray assembly includes at least a first tray. Each tray includes optical adapters disposed in a row along a first end of the tray. Certain types of trays are pivotal relative to the drum portion along a pivot axis extending generally parallel to the row of adapters along a second end of the tray opposite the first end. Other types of trays include a second row of optical adapters that pivot relative to the first row.
Example fiber optic enclosures include a cable spool assembly and a cover. Each disc of the cable spool assembly has a removable section that extends radially outwardly from a central portion of the disc. The cable spool assembly has a first diameter when the removable sections are attached to the discs. The central portion of each disc has a second diameter. The cover has a lateral dimension that is smaller than the first diameter of the cable spool assembly and larger than the second diameter of the cable spool assembly. Certain types of spool assemblies include a termination region including a plurality of adapters that rotate in unison with the first disc of the cable spool assembly.
A distributed antenna system includes a host unit communicatively coupled to a first service provider interface which receives a first signal from the first service provider interface; and a first remote antenna unit communicatively coupled to the host unit, the first remote antenna unit having a first antenna. A base station to which the distributed antenna system is communicatively coupled is configured with a subscriber access timing window having a minimum allowed delay and a maximum allowed delay. The distributed antenna system is configured so that a first total delay between the host unit and the first remote antenna unit is equal to or greater than the minimum allowed delay. The first antenna of the first remote antenna unit is configured to communicate the first signal to a first subscriber unit.
H04B 1/00 - TRANSMISSION - Details of transmission systems not characterised by the medium used for transmission
H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
An example fiber optic cable includes an outer jacket having an elongated transverse cross-sectional profile defining a major axis and a minor axis. The transverse cross-sectional profile has a maximum width that extends along the major axis and a maximum thickness that extends along the minor axis. The maximum width of the transverse cross-sectional profile is longer than the maximum thickness of the transverse cross-sectional profile. The outer jacket also defines first and second separate passages that extend through the outer jacket along a lengthwise axis of the outer jacket. The second passage has a transverse cross-sectional profile that is elongated in an orientation extending along the major axis of the outer jacket. The fiber optic cable also includes a plurality of optical fibers positioned within the first passage a tensile strength member positioned within the second passage.
Systems for dynamic reallocation of bandwidth and modulation protocols is provided. In one embodiment, a radio head interface module comprises: a transmit buffer adapted to receive a data stream from a signal processing module and store the data stream as a page of data samples having a page header; a transmit engine; a digital upconverter, the transmit engine adapted to transfer the page of data samples from the transmit buffer to the digital upconverter; a configuration management unit adapted to receive reconfiguration information from the signal processing module, the reconfiguration information including at least one of air interface protocol parameters and bandwidth allocation information; and a memory adapted with digital upconverter parameters. The configuration management unit is accesses the memory to lookup associated digital upconverter parameters based on the reconfiguration information. The configuration management unit is further adapted to output the associated digital upconverter parameters to the digital up converter.
A fiber optic adapter block is disclosed. The fiber optic adapter block includes at least three fiber optic adapters provided in a stacked arrangement extending widthwise in a longitudinal direction, wherein every other adapter of the at least three fiber optic adapters is staggered in a front to back direction with respect to an adjacent adapter such that front ends of the every other adapter of the at least three fiber optic adapters are aligned at a first depth and a front end of the adjacent adapter is at a second depth that is different than the first depth.
Certain types of fiber optic cable assemblies include a fiber optic cable; and a cable pulling assembly coupled to one end of the fiber optic cable. The fiber optic cable includes optical fibers and a first fanout arrangement at which the optical fibers are transitioned from a multi-fiber cable section to connectorized pigtails. Some example cable pulling assemblies include an enclosure defining a cavity in which the second end of the fiber optic cable is disposed. A first end of the enclosure surrounds the first fanout arrangement. A second end of the enclosure is folded into a loop. A first cable tie arrangement secures the second end of the enclosure in the loop. At least a second cable tie extends through opposite side holes in the first fanout arrangement and through both top and bottom portions of the enclosure.
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
G02B 6/54 - Underground or underwater installation; Installation through tubing, conduits or ducts using mechanical means, e.g. pulling or pushing devices
51.
Fiber optic adapter with integrally molded ferrule alignment structure
A fiber optic adapter is disclosed. The fiber optic adapter includes a main body configured to receive a first fiber optic connector through a first end and a second fiber optic connector through a second end for mating with the first fiber optic connector. The adapter includes a ferrule alignment structure located within an axial cavity of the main body, the ferrule alignment structure including a sleeve mount and a ferrule sleeve, the sleeve mount including an axial bore and at least one latching hook extending from a center portion of the sleeve mount toward the first end of the main body and at least one latching hook extending from the center portion toward the second end of the main body, the latching hooks configured to flex for releasably latching the first and second fiber optic connectors to the fiber optic adapter. The sleeve mount and the main body of the fiber optic adapter are unitarily molded as a single piece and the ferrule sleeve is separately placed within the axial bore of the sleeve mount.
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.
A telecommunications jack and associated panel and method of construction are disclosed. The telecommunications jack is configured for use in a twisted pair system and includes a housing defining a port for receiving a plug, and a latching mechanism positioned to retain the housing in an opening of a face of a telecommunications panel. The telecommunications jack also includes a first stop latch positioned along the left side of the housing and a second stop latch positioned along the right side of the housing, the first and second stop latches vertically offset from each other and extending from the sides of the housing by a width, wherein the telecommunications jack is installable in an array of telecommunications jacks at a distance from a neighboring telecommunications jack of less than twice the width.
A fiber panel system includes a chassis and at least blades configured to mount to the chassis. Each blade is moveable relative to the chassis between a retracted (closed) position and at least one extended position. Each blade may be locked into one or more positions relative to the chassis using one or more latching arrangements. Each latching arrangement includes two flexible arms. A stop member is disposed at a distal end of each flexible arm.
A method of terminating a fiber in a connector using a device comprising: (a) positioning a stripped fiber on the device such that the bare fiber portion extends into a first fiber channel of a cleaver; (b) securing the fiber to a fiber retainer slidably attached to the substrate to move along an x axis at a first position; (c) cleaving the bare fiber portion to form a cleaved end; (d) sliding the fiber retainer away from the cleaver along the x axis; (e) causing to be presented a second fiber channel of a connector held in a connector retainer along the x axis; (f) sliding the fiber retainer to the first position along the x axis, thereby causing the cleaved end to extend into the second fiber channel; and (g) actuating the connector while the fiber retainer is at the first position.
A patch cord including a connector attached to an end of an electrical cable. The connector includes a boot member that slides over a portion of a wire manager to actuate a retention arrangement of the connector. Certain types of retention arrangements are actuated by deflecting flexible tabs of the wire manager inwardly to bite into at least an outer jacket of the electrical cable.
First and second active optical modules that terminate first and second active optical cable segments, each of which having a respective active end and a respective passive end, can be authenticated by: reading information from active-end storage devices attached to the respective active ends of the first and second active optical modules; providing information read from the active-end storage devices to an aggregation point; reading information from passive-end storage devices attached to the respective passive ends of the first and second active optical cable segments; providing information read from passive-end storage devices to the aggregation point; and authenticating the first and second active optical modules using information provided to the aggregation point.
A cable management frame assembly comprising a collapsible frame chassis and a plurality of positionally configurable cable management fixtures that can be affixed to the frame chassis without the use of tools or additional hardware such screws, nuts or bolts. A panel mount allows patch panels and equipment to be mounted to the frame chassis without the use of tools or additional hardware.
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.
An infrastructure management device comprises a processor configured to obtain port status and networking device status for each of one or more physicals networking devices in a system. The device also comprises a display unit coupled to the processor and configured to display one or more virtual networking devices, and a user input element configured to provide user input to the processor. The port status indicates that a cable is inserted into the first port and the processor obtains cable data identifying one or more characteristics of the cable inserted into the first port. The processor is configured to compare the one or more characteristics of the cable inserted into the first port with one or more characteristics defined in the work order. The processor is configured to provide a notification to a user indicating whether the one or more characteristics of the inserted cable comply with the work order.
A cable management system includes a panel with a plurality of openings, each opening defining a similar configuration, each opening defining a first dimension and a second dimension, the first dimension being longer, than the second dimension. A cable management structure is removably coupled to the panel, the cable management structure including a plurality of latching elements, each latching element defining a retaining portion received through each opening of the panel, each retaining portion having a first dimension that is smaller than or equal to the second dimension of the opening and a second dimension that is greater than the second dimension of the opening, wherein the cable management structure is coupled to the panel by inserting the retaining portion of each latching element through each opening and rotating the cable management structure in a first direction with respect to the panel.
A fiber optic adapter module is disclosed. The fiber optic adapter module includes a molded one-piece housing including a first end and a second end, the housing including a plurality of passages extending from the first end to the second end, each passage configured to interconnect two cables terminated with fiber optic connectors. The housing is movably mounted on a fixture, wherein the module is movable relative to the fixture along a line of travel that is non-parallel to longitudinal axes of the openings.
A communication system includes a master host unit that communicates wireless spectrum with a service provider interface using analog spectrum. Master host unit communicates digitized spectrum in N-bit words over a digital communication link. Master host unit converts between analog spectrum and N-bit words of digitized spectrum. Communication system includes hybrid expansion unit coupled to master host unit by digital communication link. Hybrid expansion unit communicates N-bit words of digitized spectrum with master host unit across digital communication link. Hybrid expansion unit converts between N-bit words of digitized spectrum and analog spectrum. Hybrid expansion unit communicates analog spectrum across analog communication link to analog remote antenna unit. Analog remote antenna unit communicates wireless signals using first antenna. Communication system further includes a switch in a data path between service provider interface and antenna. The switch selects between transmit path and receive path in response to switching control signal.
A fiber optic telecommunications device includes a frame and a fiber optic module. The fiber optic module includes a main housing portion defining fiber optic connection locations for connecting cables to be routed through the frame and a cable management portion for guiding cables between the main housing portion and the frame. The main housing portion of the fiber optic module is slidably mounted to the frame, the main housing portion slidable between a retracted position and an extended position in a sliding direction. The cable management portion of the fiber optic module includes a radius limiter slidably coupled to both the main housing portion and the frame, wherein movement of the main housing portion with respect to the frame slidably moves the radius limiter with respect to the main housing portion along the sliding direction.
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 the second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, a second diameter portion having a diameter of at least 250 microns and less than a diameter of a buffer, and a smooth and continuous transition between the first and the second diameter portions. The second diameter portion is positioned between the first diameter portion and the second end. The axial passage further defines a tapered shape at the second end extending inward from the second end toward the second diameter portion. In certain embodiments, another smooth and continuous transition can be provided between the taper shape and the second diameter portion. In certain embodiments, the axial passage is smooth and continuous between the first and the second ends of the body. A hub holds the ferrule. A method of assembling a terminated fiber optic cable is also provided.
An angled mounting plate is provided for mounting a connector at a bulkhead in an angled manner, such as for a coaxial or triaxial connector system. The angled mounting plate mounts to a yoke mounted around the connector. The yoke includes identical mounting halves held in place by fasteners. The yoke is held to the mounting plate by further fasteners. Vertical mounting plates can also be provided for mounting to the connectors. The bulkhead can be provided with mounting structure for mounting directly to the yokes.
Methods and systems for mobile phone location within a digital distributed antenna system (DAS) are provided. In one embodiment, a method comprises: receiving a request for location services from a subscriber unit located within a digital DAS, the digital DAS including a first partition of bandwidth for transporting digitized RF signals of one or more modulated signals and a second partition of bandwidth for an Ethernet pipe transporting IP formatted data; routing the request for location services to a subscriber locator center; instructing locator receivers within a geographical area of the digital DAS to listen for a signal from the subscriber unit; listening for the signal at a first locator receiver; when the signal is observed, recording a time the signal was received and generating subscriber unit ranging data; and transmitting subscriber unit ranging data back to the subscriber locator center in an IP formatted message via the Ethernet pipe.
The present disclosure relates to a telecommunications distribution hub having a cabinet that defines a primary compartment. The cabinet also includes one or more main doors for accessing the primary compartment. Telecommunications equipment is mounted within the primary compartment. The distribution hub further includes a secondary compartment that can be accessed from an exterior of the cabinet without accessing the primary compartment. A grounding interface is accessible from within the secondary compartment.
A fiber optic cable includes an outer jacket, an optical fiber ribbon, and reinforcing member configurations. The outer jacket has an elongated transverse cross-sectional profile that defines a major axis and a minor axis that meet at a lengthwise axis of the fiber optic cable. The outer jacket defines a central fiber passage that extends through the outer jacket along a lengthwise axis of the outer jacket. The optical fiber ribbon is positioned within the central fiber passage. The reinforcing member configurations are positioned within the outer jacket on opposite sides of the central fiber passage. Each of the reinforcing member configurations has a transverse cross-sectional profile that includes first and second legs that are angled relative to one another such that they diverge as the first and second legs extend toward the minor axis.
A housing including a plurality of openings for receiving fiber optic connectors and protecting the polished end face of the connectors from damage while the connectors are stored within a telecommunications connection cabinet. A module with a plurality of optical fiber cables connected to a first optical fiber cable and terminated by a fiber optic connector. Each of the connectors are inserted within openings in a connector holder for storage and protection until the cables need to be connected to a customer equipment cable.
A connector and method of crosstalk compensation within a connector is disclosed. The method includes determining an uncompensated crosstalk, including an uncompensated capacitive crosstalk and an uncompensated inductive crosstalk, of a wired pair in a connector. The uncompensated crosstalk includes common mode and differential mode crosstalk. The method includes applying at least one inductive element to the wired pair, where the at least one inductive element is configured and arranged to provide balanced compensation for the inductive crosstalk caused by the one or more pairs. The method further includes applying at least one capacitive element to the wired pair, where the at least one capacitive element is configured and arranged to provide balanced compensation for the capacitive crosstalk caused by the one or more wired pairs.
One embodiment is directed to a distributed antenna system (DAS) including a host unit and a plurality of remote units. The host unit includes a plurality of base transceiver stations and a switch. Each of the base transceiver stations is configured to provide a downstream baseband digital signal to the switch and to receive an upstream baseband digital signal from the switch, wherein each downstream baseband digital signal and upstream baseband digital signal is a digital representation of the RF channel at baseband of the respective base transceiver station. The switch is configured to route each of the downstream baseband digital signals to a respective subset of the remote units as one or more downstream serial data streams and to route each of the upstream baseband digital signals from one or more upstream serial data streams to a respective subset of the base transceiver stations.
Systems and methods for improved digital RF transport in a DAS are provided. In one embodiment, a transceiver comprises: a receive path circuit including an RF reception interface coupled to an ADC, the ADC receiving a down-converted analog RF spectrum from the RF reception interface and producing a digitized RF spectrum at an input sampling rate; a logic device receiving the digitized RF spectrum and producing a first set of baseband data samples at a first sampling rate, corresponding to a first spectral region of the analog RF spectrum and a second set of baseband data samples at a second sampling rate, corresponding to a second spectral region of the analog RF spectrum. The logic device maps the first set and second sets of baseband data samples to a respective first set and second set of timeslots of a serial data stream transport frame.
H04L 27/144 - Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
H04L 27/233 - Demodulator circuits; Receiver circuits using non-coherent demodulation
74.
Dispensing cable from an internal cable spool of a fiber optic enclosure
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 assembly includes a connector and a carrier. The connector, defining a longitudinal bore extending through the connector and having a first end region and a second end region, includes a ferrule assembly, having an optical fiber extending through the connector, at least partially disposed in the longitudinal bore at the first end region, a tube, defining a passage and having a first end portion disposed in the longitudinal bore at the second end region and a second end region, and a spring disposed in the bore between the ferrule assembly and the tube. The carrier includes a cable end and a connector end engaged with the connector, a termination region disposed between the connector end and the cable end, a fiber support region disposed between the connector end and the termination region, and a take-up region disposed between the connector end and the fiber support region.
A method for calculating delay in a distributed antenna system includes sending a ping initiation message from a remote node to a host node in a distributed antenna system. The ping initiation message uniquely identifies a first communication port of the remote node to the host node with a unique identification. The method also includes receiving a ping reply message at the remote node. The ping reply message corresponds to the ping initiation message and also uniquely identifies the first communication port of the remote node with the unique identification. The method also includes determining, at the remote node, whether the ping reply message corresponds to the first communication port of the remote node based on the unique identification. The method also includes, when the ping reply message corresponds to the first communication port of the remote node, calculating the round-trip time delay between sending the ping initiation message and receiving the ping reply message at the remote node.
A fiber optic connector assembly comprises a ferrule assembly including a ferrule and a hub. The ferrule has a distal end and a proximal end. The proximal end of the ferrule is mounted to the hub. The ferrule defines a fiber passage that extends through the ferrule from the proximal end to the distal end. The fiber optic assembly further comprises an optical fiber having an end portion potted within the fiber passage of the ferrule. A loose tube receives the optical fiber. The loose tube has a distal end positioned inside the hub and defines a venting opening that starts at the distal end of the loose tube and extends proximally along a length of the loose tube.
A) of the adapters (340) and to a fiber optic assembly and a method of mounting a telecommunications module (100) to a piece of telecommunications equipment.
An adapter cassette including a housing and a plurality of fiber optic adapters. The fiber optic adapters being angled relative to a front plane defined by the housing. The fiber optic adapters being interconnected to a multi-fiber cable connecter by fiber optic cables located within an interior of the housing. The adapter cassette further including a quick-release cover that provides access to the interior of the housing.
A fiber optic drop terminal assembly includes a housing, a spool and a fiber optic distribution cable. The housing has a first exterior surface and an oppositely disposed second exterior surface. A plurality of ruggedized adapters is mounted on the first exterior surface of the housing. The ruggedized adapters include a first port accessible from outside the housing and a second port accessible from inside the housing. The spool is engaged with the second exterior surface and includes a drum portion. The fiber distribution cable is coiled around the drum portion. The distribution cable includes a first end and an oppositely disposed second end. The second end is disposed inside the housing.
A clamping mechanism having a top and bottom orientation, comprising: (a) an inner component having a platform defining a fiber channel and a clamping member disposed over the fiber channel, the clamping component being connected to the inner component such that it moves radially independently from the rest of the inner component, the inner component defining a cavity above the clamping member to receive an actuator; (b) an outer casing containing the inner component, the outer casing defining a slot; and (c) an actuator comprising a rotating member disposed in the cavity and restrained therein from moving radially, the rotating member being configured to rotate along an axis parallel to the fiber channel, the rotating member configured to interact with the clamping member such that rotating the rotating member causes the clamping member to move toward the fiber channel such that any fiber disposed therein is clamped between the clamping component and the platform, the actuator also comprising a lever connected to the rotating member and protruding from the outer casing through the slot.
An optical fiber connector for terminating an optical fiber cable containing a buffered fiber, said connector comprising: (a) a housing having a front and rear orientation; (b) an anchor at the rear of said housing, said anchor comprising exterior threads and a collet and defining at least a first passage configured to receive said buffered fiber; (c) a nut having internal threads and being adapted for threaded engagement with said anchor; and wherein said nut and collet cooperate to define an interference portion in which said nut deflects said collect inward to constrict said first passage as said nut is threaded onto said anchor.
An alarm circuit and method of monitoring a circuit protection device are disclosed. The alarm circuit includes a circuit protection device connected in series at an input voltage of a load. The alarm circuit also includes a programmable circuit connected in parallel to the circuit protection device and including an alarm signal. The programmable circuit is programmed to include a plurality of functional states, and at least one functional state corresponds to activation of the alarm signal. The at least one functional state activating the alarm signal corresponds with an interruption condition in the circuit protection device.
G08B 21/00 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
H01H 85/32 - Indicating lamp structurally associated with the protective device
H02H 3/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
H01H 85/20 - Bases for supporting the fuse; Separate parts thereof
A fiber access terminal for mounting to the end of a fiber distribution cable and configured to be extended through a buried conduit. The fiber distribution cable may include a plurality of optical fibers and enters a housing of the terminal through a base. The terminal also includes a plurality of fiber optic connectors or adapters extending through the housing in generally the same direction as the fiber distribution cable for connecting to optical fiber customer drop cables. The terminal includes a cover and the housing defining an interior and the interior includes a cable slack storage arrangement providing bend radius protection for the optical fiber cables within the interior. A method of assembling a fiber access terminal. A fiber access terminal assembly including a pedestal mounting arrangement.
Systems and methods for IP communication over a distributed antenna system transport are provided. In one embodiment, a method for providing Ethernet connectivity over a distributed antenna system comprises receiving internet protocol (IP) formatted data from an internet protocol device coupled to a remote unit of a distributed antenna system; sampling wireless radio frequency (RF) signals received at the remote unit to produce digitized RF samples; generating a serial data stream for output to a host unit of the distributed antenna system, the serial data stream further comprising a multiple-timeslot communication frame providing a first partition of bandwidth for transporting the digitized RF samples and a second partition of bandwidth for implementing an Ethernet pipe for transporting the IP formatted data.
A method for processing ferrules for fiber optic connectors is disclosed herein. The method involves ablating a distal end face of the ferrule with the plurality of laser beam pulses to remove a distal layer of the ferrule without removing an optical fiber secured within the ferrule. By removing the distal layer from the ferrule, the optical fiber is caused to protrude distally outwardly from the distal end of the ferrule by a desired amount.
One embodiment is directed to a distributed antenna system that comprises a hub to receive a plurality of downlink transceiver signals output from a plurality of transceiver units and to send a plurality of uplink transceiver signals to the plurality of transceiver units. The plurality of downlink transceiver signals has overlapping frequencies and contains different communication content. The distributed antenna system further comprises a plurality of distributed antenna units, each located at a respective a remote location. The hub is configured to route a respective downlink transport signal to each of a plurality of distributed antennas, wherein each of the downlink transport signals is derived from one of the plurality of downlink transceiver signals received at the hub. Each of the distributed antenna units is configured to transmit a respective downlink radio frequency signal derived from the downlink transport signal that is routed to that distributed antenna unit.
A connector including a housing having a distal end and a proximal end has a ferrule assembly having a ferrule and a ferrule spring. The ferrule spring biases the ferrule in a distal direction. A boot is mounted at the proximal end. The boot has a distal end mounting over the proximal end of the housing and a proximal end and defines a central axis. A central passage extends through a length of the boot. A strain relief portion is adjacent the proximal end of the boot and has a truncated, conical outer shape formed by co-axial rings separated by gaps, the rings being interconnected by links extending across the gaps. The central passage has a proximal portion corresponding to a length of the strain relief portion that defines a transverse cross-dimension A majority of the rings have radial thicknesses at least 50 percent as long as the transverse cross-dimension.
A system includes a first external mounted amplifier (EMA) having a first low-noise amplifier (LNA) coupled to a first antenna, a second EMA having a second LNA coupled to a second antenna, a first splitter coupled between the first antenna and the first LNA, a first phase shifter coupled to the first splitter, and a second mixer coupled to the first phase shifter. The first LNA is operable to receive a first input signal from first antenna. The second LNA is operable to receive a second input signal from second antenna. The first splitter is operable to derive a first sampling signal from first signal. The first phase shifter is operable to shift the phase of first sampling signal to create a second cancelation signal. The second mixer is operable to mix a second input signal derived from second signal with second cancelation signal to create a second output signal.
H04B 7/00 - Radio transmission systems, i.e. using radiation field
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
90.
Fiber optic connector storage apparatus and methods for using the same
A fiber optic connector storage apparatus for storing a fiber optic connector having an exposed ferrule includes a housing and a dust cap portion. The housing defines a socket to receive and hold the fiber optic connector. The dust cap portion is integral with the housing and is configured to receive and protect the exposed ferrule when the fiber optic connector is inserted into the socket.
One exemplary embodiment is directed to a method of tracking a plurality of communication paths in a connector assembly having a plurality of first attachment points and a plurality of second attachment points. The plurality of first attachment points and the plurality of second attachment points are configured to attach physical communication media to the connector assembly. The method comprises reading, from a storage device associated with the connector assembly first, information indicative of a plurality of communication paths formed within the connector assembly between the first attachment points and the second attachment points. The method further comprises reading second information stored on or in physical communication media that is attached to the connector assembly and communicating the first and second information to an aggregation point that is communicatively coupled to the connector assembly.
G06F 3/00 - Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F 9/00 - Arrangements for program control, e.g. control units
G06F 1/16 - Constructional details or arrangements
H05K 7/00 - Constructional details common to different types of electric apparatus
H04L 12/933 - Switch core, e.g. crossbar, shared memory or shared medium
H04Q 1/00 - SELECTING - Details of selecting apparatus or arrangements
92.
Dynamically detecting a defective connector at a port
A connector assembly comprises a plurality of ports. Each of the plurality of ports is configured to receive a respective connector attached to a respective segment of physical communication media. Each of the plurality of ports comprises a respective media interface configured to receive data from a respective storage device attached to the respective connector. The connector assembly is configured to determine if a first connector attached to a first port included in the plurality of ports is defective by determining if a signal level received on the respective media interface associated with the first port has stabilized after a first predetermined amount of time has elapsed since the first connector was connected to the first port. If the signal level has not stabilized after the first predetermined amount of time has elapsed since the first connector was connected to the first port, the first connector is considered defective.
A hybrid fiber/copper connector assembly which permits repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire connector assembly or the cable is disclosed. The hybrid fiber/copper connector assembly disclosed also allows individual hybrid fiber/copper connectors of the assembly to be converted from one gender to a different gender. The hybrid fiber/copper connectors of the assembly include removable keying members mountable to housings of the connectors. The removable keying members allow gender conversion and proper mating and orientation. The hybrid fiber/copper connector assembly also allows the individual connectors of the assembly to be converted from being hybrid fiber/copper connectors to being only fiber connectors or only copper connectors.
A rack system includes one or more racks each configured to receive at least one distribution module. Each rack includes management sections located at the front of the rack; troughs located at the rear of the rack; horizontal channels extending between the management sections and the trough; a storage area located at a first of opposing sides of the rack; a front vertical channel that connects to the storage area and at least some of the management sections; and a travel channel at the rear of the first rack that connects the storage area to the troughs.
A component for a closure is disclosed herein. The component includes a collar extending around a central axis. The component also includes a first expansion housing positioned outside the collar in a radial direction relative to the central axis. The first expansion housing has an interior region in communication with an interior of the collar. The first expansion housing also includes a first adapter mounting wall defining a plurality of first adapter mounting openings in which a plurality of first fiber optic adapters are mounted. The first fiber optic adapters include first connector ports adapted for receiving connectors from outside the first expansion housing.
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 integrally formed as part of a removable adapter assembly. A method of mounting a telecommunications module within a chassis.
A multi-drop closure system for containing and managing a bundle of optical fibers includes an enclosure and a slack basket system. The enclosure defines a slack basket chamber to hold the bundle of optical fibers. The slack basket system includes a retainer tab assembly mounted in the enclosure. The retainer tab assembly includes a tab member movable between: an open position, wherein the tab member is positioned to provide more open access to the slack basket chamber and thereby enable the bundle of optical fibers to be more easily inserted into, removed from, and/or manipulated in the slack basket chamber; and a retaining position, wherein the tab member overlaps the slack basket chamber to retain the bundle of optical fibers in the slack basket chamber.
A clamping device for connecting a cable to a strain relief member includes a housing having a retention member extending therefrom. The retention member is configured to be inserted in a mating opening in the strain relief member and to be secured thereto. A connector is configured to connect the cable to the housing.
A fiber optic splice enclosure system includes an enclosure and first and second endplate assemblies. The enclosure defines an enclosure chamber. The first and second endplate assemblies are adapted to be interchangeably mounted on the enclosure to provide different respective configurations for connecting fiber optic cables to the enclosure.
A spool system for a telecommunications cable. The spool system winds-up and pays-out the cable without accumulating twist in the cable. The spool system can also pay out a distal end of the cable and mount a proximal end of the cable. Because no twist is accumulated in the cable, the first end and/or the second end of the cable can remain connected while the spool system is winding-up or paying-out. The spool system includes a base, a cable unwrapper, and a hub. The cable unwrapper and the hub rotate in opposite directions from each other. A first cable wrapping area is provided on the base and a second cable wrapping area is provided on the hub.
B65H 75/38 - Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
patents
