WO2010059623A1 - Module de télécommunications à fibre optique - Google Patents

Module de télécommunications à fibre optique Download PDF

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Publication number
WO2010059623A1
WO2010059623A1 PCT/US2009/064785 US2009064785W WO2010059623A1 WO 2010059623 A1 WO2010059623 A1 WO 2010059623A1 US 2009064785 W US2009064785 W US 2009064785W WO 2010059623 A1 WO2010059623 A1 WO 2010059623A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber optic
main body
main housing
adapter block
housing portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2009/064785
Other languages
English (en)
Inventor
Ponharith Nhep
Kristofer Bolster
Timothy G. Badar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commscope Connectivity LLC
Original Assignee
ADC Telecommunications Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ADC Telecommunications Inc filed Critical ADC Telecommunications Inc
Priority to MX2011005380A priority Critical patent/MX2011005380A/es
Publication of WO2010059623A1 publication Critical patent/WO2010059623A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes
    • G02B6/4455—Cassettes characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4452—Distribution frames
    • G02B6/44526—Panels or rackmounts covering a whole width of the frame or rack
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3893—Push-pull type, e.g. snap-in, push-on
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4452—Distribution frames

Definitions

  • the present disclosure generally relates to fiber optic telecommunications equipment. More specifically, the present disclosure relates to fiber optic modules.
  • modules including splitters may be used to provide the connection between transmission fibers and customer fibers.
  • a module mounting panel capable of mounting multiple modules may be used in such an installation. These panels may be configured with limited access to one or more sides, or may be mounted in cramped locations. In addition, some of these panels may be pre-configured with the maximum capacity of transmission cables to accommodate and link to modules which may be installed in the future. Since it is desirable to have access to components within the panel, some provision or feature of the panel may desirably permit a user to access the connectors of these pre-connectorized and pre-installed transmission cables.
  • the present disclosure relates to a fiber optic telecommunications device.
  • the telecommunications device is a module including a plurality of adapters mounted thereon and at least one optical component within the module.
  • the adapters define generally a block of adapters for optically connecting fiber optic cables terminated with connectors.
  • the block defines a plurality of openings for forming an integral array of adapters.
  • the openings forming the array of adapters are separated by walls shared by adjacent adapters allowing the overall length of the adapter array to be reduced.
  • the module is configured for slidable movement relative to a fixture to which it is mounted for providing access to the array of adapters and connectors and the optical components within the module.
  • the module includes a main housing with an optical component within an interior of the main housing and a fiber optic adapter block coupled to the main housing.
  • the adapter block includes a one-piece main body including a top wall and a bottom wall, the adapter block defining a plurality of openings extending from a front end to a rear end of the main body, each opening defining a separate adapter, each opening defining a longitudinal axis, the adapters being configured to receive connectorized cables extending from the optical component within the interior of the main housing.
  • the adapter block includes at least one guide rail extending generally between the top wall and the bottom wall, the guide rail configured for slidably mounting the fiber optic telecommunications module to a telecommunications device once the adapter block has been coupled to the main housing.
  • the main housing includes an integrally formed pivotable latching arm configured to pivot for selectively latching and unlatching the telecommunications module for slidable movement with respect to the telecommunications device.
  • FIG. 1 is a front perspective view of a telecommunications termination panel according to the disclosure, the termination panel shown with a tray of the panel swung to an open position allowing access to the connection locations within the panel;
  • FIG. 2 is a top view of the termination panel of FIG. 1;
  • FIG. 3 is another front perspective view of the termination panel of FIG. 1;
  • FIG. 4 is an exploded view of a telecommunications module configured to be inserted into the termination panel shown in FIGS. 1-3;
  • FIG. 5 illustrates a fiber optic adapter block of the telecommunications module of FIG. 4 exploded from the main housing portion of the module of FIG. 4;
  • FIG. 6 illustrates a right side view of the telecommunications module of FIG. 5 in an assembled configuration, the telecommunications module shown without its cover to illustrate the internal features thereof;
  • FIG. 6A is a diagrammatic view illustrating the adapter ports of the telecommunications module of FIG. 6 along with the fiber optic circuit schematic for the equipment housed within the telecommunications module of FIG. 6;
  • FIG. 7 illustrates a front perspective view of the telecommunications module of FIG. 4 in a fully assembled configuration
  • FIG. 8 is a rear perspective view of the telecommunications module of FIG. 7;
  • FIG. 9 is a rear view of the telecommunications module of FIG. 7;
  • FIG. 10 is an exploded view of a fiber optic adapter block configured to be coupled to the main housing portion of the telecommunication module of FIGS. 4-9;
  • FIG. 11 is a left side perspective view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 12 is a front perspective view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 13 is a left side view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 14 is a right side view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 15 is a rear view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 16 is a front view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 17 is a top view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 18 is a bottom view of the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 19 is a left side perspective view of the cover panel of the fiber optic adapter block of FIG. 10;
  • FIG. 20 is a right side perspective view of the cover panel of the fiber optic adapter block of FIG. 19;
  • FIG. 21 is a left side view of the cover panel of the fiber optic adapter block of FIG. 19;
  • FIG. 22 is a right side view of the cover panel of the fiber optic adapter block of FIG. 19;
  • FIG. 23 is a front view of the cover panel of the fiber optic adapter block of FIG. 19;
  • FIG. 24 is a bottom view of the cover panel of the fiber optic adapter block of FIG. 19;
  • FIG. 25 is a top view of the cover panel of the fiber optic adapter block of FIG. 19;
  • FIG. 26 is a perspective view of a connector ferrule alignment structure configured to be inserted into the main body of the fiber optic adapter block of FIG. 10;
  • FIG. 27 is a top view of the ferrule alignment structure of FIG. 26;
  • FIG. 28 is a bottom view of the ferrule alignment structure of FIG.
  • FIG. 29 is a front view of the ferrule alignment structure of FIG. 26;
  • FIG. 30 is a left side view of the ferrule alignment structure of FIG. 26;
  • FIG. 31 is a right side view of the ferrule alignment structure of FIG.
  • FIG. 32 is a front perspective view of a main housing portion of the telecommunications module of FIG. 5;
  • FIG. 33 is a rear perspective view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 34 is a right side view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 35 is a left side view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 36 is a bottom view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 37 is a top view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 38 is a rear view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 39 is a front view of the main housing portion of the telecommunications module of FIG. 32;
  • FIG. 40 is a rear perspective view of the cover of the telecommunications module of FIG. 5;
  • FIG. 41 is a left side view of the cover of FIG. 40;
  • FIG. 42 is a right side view of the cover of FIG. 40;
  • FIG. 43 is a bottom view of the cover of FIG. 40;
  • FIG. 44 is a rear view of the cover of FIG. 40;
  • FIG. 45 is a perspective view of a wall constructed for mounting the telecommunications module of FIGS. 4-9 to a termination panel such as the panel shown in FIGS. 1-3;
  • FIG. 46 is a cross-sectional view of the wall taken along line 46-46 of FIG. 45;
  • FIG. 47 is an enlarged portion of the perspective view of FIG. 1 ;
  • FIG. 48 is an enlarged portion of the perspective view of FIG. 3.
  • the termination panel 10 is similar in construction and functionality to the termination panels illustrated and described in U.S. Patent Nos. 7,086,539; 7,090,084; 6,870,734; 7,102,884; 7,408,769; and U.S. Provisional Application Ser. No. 61/044,356, entitled “FIBER MANAGEMENT PANEL", filed April 11, 2008, the entire disclosures of which are incorporated herein by reference.
  • the telecommunications termination panel is similar in construction and functionality to the termination panels illustrated and described in U.S. Patent Nos. 7,086,539; 7,090,084; 6,870,734; 7,102,884; 7,408,769; and U.S. Provisional Application Ser. No. 61/044,356, entitled “FIBER MANAGEMENT PANEL", filed April 11, 2008, the entire disclosures of which are incorporated herein by reference.
  • connection locations 12 for linking telecommunications cables within the panel 10. These types of termination panels may optically connect optical fiber cables at the connection locations 12.
  • a panel such as the panel 10 shown in FIGS. 1-3 may be mounted to a telecommunications equipment rack adjacent other panels or other telecommunications equipment.
  • the panel 10 may be mounted to a standard nineteen inch wide rack. In other embodiments, the panel may be adapted to be mounted on a twenty-three inch wide rack or to racks of other widths.
  • the termination panel 10 includes a housing 14 made up of a first sidewall 16, a second sidewall 18, a rear wall 20, and a bottom wall 22.
  • a top wall 24 cooperates with the first sidewall 16, the second sidewall 18, the rear wall 20, and the bottom wall 22 to define a front opening 26 and a rear opening 28 of the housing 14.
  • the rear wall 20 is configured to substantially close off the rear of the panel 10 except for the rear opening 28.
  • the panel 10 includes a pivoting tray 30 movable between an open position and a closed position.
  • the tray 30 includes a front wall 32 that substantially closes off the front opening 26 of the panel 10 when the tray 30 is in the closed position.
  • the tray 30 pivots about an axis defined by a hinge 34 adjacent the second sidewall 18.
  • the tray 30 houses the plurality of connection locations 12 for aligning and optically linking incoming fiber optic cables with outgoing fiber optic cables.
  • the connection locations 12 may define a plurality of telecommunications modules 36 that include adapters 38 and other optical components.
  • the type of optical components housed within the modules 36 may depend upon the optical circuitry or connectivity desired.
  • each telecommunications module 36 is slidably mounted between a pair of wall structures 400 and may be extended generally upwardly above the tray 30.
  • the walls 400 are shown in closer detail in FIGS. 45 and 46 and will be described in further detail below.
  • the slidable interaction of the telecommunications modules 36 with the walls 400 are shown in the enlarged views of FIGS. 47 and 48 and will also be described in further detail below.
  • thirteen modules 36 are mounted on the tray 30.
  • the walls 400 are configured to receive a sliding module 36 on each side, so that a total of fourteen walls 400 are required to support the thirteen modules 36.
  • the telecommunications modules 36 extend at an angle toward the front of the tray 30.
  • the axis of insertion of connectorized fiber optic cables to the front and rear of each adapter 38 of the telecommunications modules 30 is substantially parallel to the floor of the tray 30.
  • the walls 400 and the modules 36 could be configured so that the modules 36 slide vertically, with adapters 38 mounted horizontally to modules 36.
  • the tray 30 includes a cover 44 hingedly mounted to a rear wall 46 of the tray 30 by a hinge 48.
  • the cover 44 is movable between an operational (closed) position and an access (open) position. When the cover 44 is in an operational position, the tray 30 is allowed to be moved between the open and closed positions with respect to the panel 10.
  • the cover 44 includes an opening 50 through which the modules 36 are visible. Opening 50 permits any identification or other information printed or attached to modules 36 to be visible when cover 44 is in the operational position.
  • the cover 44 is configured to prevent movement of the tray 30 to the closed position when cover 44 is not in the operational position. In this manner, any damage to the telecommunications modules 36, when they are in an extended position, is prevented.
  • the cover 44 is also configured such that, when in the operational position, the cover 44 will ensure that no cables within the tray 30 extend above the top surface of the tray 30. In this manner, any cables extending above the tray 30 are prevented from being pinched or otherwise damaged by the front edge of the top wall 24 of the housing 14.
  • the cover 44 also interacts with the telecommunications modules 36 which were extended upward and not retracted prior to cover 44 being moved from the access position. The upper end of an extended module 36 strikes the cover 44 adjacent an edge of the opening 50.
  • the opening 50 is positioned and configured to prevent the cover 44 from being closed with a module 36 extended upward while still allowing visibility of modules 36 when the cover 44 is in the operational position.
  • a module 36 is extended and interacts with the cover 44, the cover 44 cannot be moved to the operational position and tray 30 cannot be closed. This prevents damage to extended modules 36 as described above.
  • FIGS. 1-3 one of the telecommunications modules 36 is illustrated in an extended position. Please refer to U.S. Patent Nos. 7,086,539; 7,090,084; 6,870,734; 7,102,884; 7,408,769; and U.S. Provisional Application Ser. No.
  • the telecommunications module 36 includes a main housing portion 52 (shown in detail in FIGS. 32-39) and a cover portion 54 (shown in detail in FIGS. 40-44).
  • a fiber optic adapter block 56 defining a plurality of integrally formed fiber optic adapters 38 is coupled to the main housing portion 52 of the telecommunications module 36.
  • the telecommunications module 36 is shown in a partially exploded view, illustrating the coupling of the fiber optic adapter block 56 to the main housing 52 of the module 36.
  • FIGS. 6-9 the telecommunications module 36 is shown in an assembled configuration with the fiber optic adapter block 56 coupled to the main housing 52 of the module 36.
  • the fiber adapter block 56 defines a main body 58 that includes top and bottom guides 60, 62 parallel to the longitudinal axes A A of the integral adapters 38 formed therein.
  • the top guide 60 is defined as a portion of a slide structure 64 located at the top of the main body 58.
  • the slide structure 64 includes the top guide 60 and also a handle portion 66, the purpose of which will be described in further detail below.
  • the slide structure 64 also includes an opening 68.
  • the opening 68 is configured to receive a fastener 69 once the adapter block 56 is coupled to the main housing 52 of the module 36.
  • top and bottom guides 60, 62 are inserted into top and bottom slots 70, 72, respectively, defined adjacent the front of the main housing 52 of the telecommunications module 36 to slidably couple the adapter block 56 to the main housing 52.
  • the fastener 69 is used to fasten the main housing 52 to the adapter block 56. As shown, the fastener 69 extends through a mounting flange 74 of the main housing 52 into the fastener opening 68 defined on the slide structure 64 of the adapter block 56.
  • the main housing 52 of the telecommunications module 36 includes an integrally formed, pivotal latching arm 76 adjacent the top of the module 36.
  • the main housing 52 also includes an integrally formed, pivotal locking arm 78 adjacent the bottom of the module 36.
  • the latching arm 76 and the locking arm 78 are located adjacent the front of the module main housing 52 and are positioned to cooperate with guide rails 80 defined on the adapter block 56 in providing slidability and lockability/latchability of the telecommunications module 36 with respect to the walls 400 of the termination panel 10.
  • FIGS. 10-31 the fiber optic adapter block 56 and the features thereof are illustrated.
  • the adapter block 56 is configured to slide at a non-perpendicular angle relative to the longitudinal axes Ac of the connectors mounted on the block 56.
  • the adapter block 56 depicted has a stepped configuration. It should be noted that the adapter block 56 may be configured to slide in a direction generally perpendicular to the longitudinal axes Ac of the connectors 71 mounted on the block 56 if desired.
  • the main body 58 of the adapter block 56 and the cover panel 82 are illustrated.
  • the main body 58 defines a front end 84 and a rear end 86.
  • the main body 58 defines a closed right side 88 and an open left side 90.
  • the left side 90 of the main body 58 is closable by the cover panel 82 after the internal features of the adapters 38 have been inserted into the main body 58.
  • the main body 58 forms a block of adapters 38.
  • the main body 58 defines a plurality of openings 92 that form an array of adapters 38 for receiving the connectors 71.
  • the openings 92 are separated by walls 94.
  • the array of adapters 38 are configured in a stacked arrangement extending from a top side 96 of the block 56 to the bottom side 98 of the block 56.
  • the adapter openings 92 define longitudinal axes A A that are parallel to each other extending in a direction from the front end 84 to the rear end 86 of the main body 58.
  • the body 58 defines eight openings 92 which define eight integral adapters 38. It will be appreciated that any number of integral adapters 38 may be formed in the body 58 by varying the number of openings 92. It should also be noted that although the illustrated adapters 38 are configured to receive SC-type connectors 71, the body 58 can be designed to interconnect other types of connectors. In FIGS. 4-9, the sliding adapter block 56 is shown with a plurality of SC-type connectors 71 mounted in the adapter openings
  • the main body 58 of the adapter block 56 includes the top and bottom guides 60, 62 parallel to the longitudinal axes A A of the integral adapters 38.
  • the top guide 60 is defined as a portion of the slide structure 64 located at the top of the main body 58.
  • the top and bottom guides 60, 62 are configured to be inserted into top and bottom slots 70, 72, respectively, defined adjacent the front of the main housing 52 of the telecommunications module 36 to slidably couple the adapter block 56 to the main housing 52.
  • a fastener 69 is used to fasten the main housing 52 to the adapter block 56. Referring to FIGS.
  • the main body 58 of the adapter block 56 and the cover panel 82 define guide rails 80 extending at an angle from the top of the block 56 to the bottom of the block 56.
  • the guide rails 80 are configured to cooperate with linear grooves 414 of the wall structures 400 to provide slidability of the block 56 relative to the termination panel 10.
  • the slope Sl of the guide rails 80 is generally equal to a slope S2 formed by the array of adapters 38. In this manner, when the block 56 (along with the module 36) is slid with respect to the termination panel 10, the longitudinal axes A A of the adapters stay parallel with the floor of the termination panel 10.
  • the slope S2 may be defined by a line connecting the same point on each of the adapters 38. For example, S2 may be formed by connecting the point of intersection of the front and top of each of the adapters as shown in FIG. 14.
  • the block 56 of adapters 38 described herein is designed for SC-type connectors 71. Therefore, the inner configuration of the adapter openings 92 including the structure of the separating walls 94 are designed to accommodate ferrule alignment structures 500 for SC-type connectors 71.
  • the ferrule alignment structure 500 includes a sleeve mount 506 and a ferrule sleeve 508 that is designed to be inserted within the sleeve mount 506.
  • the sleeve mount 506 is generally a one-piece design and is configured to receive an SC-type connector 71 from each end for interconnection.
  • the sleeve mount 506 includes lateral guides 510, latching hooks 512, an axial bore 514, and spacers 516.
  • the sleeve mount 506 includes flexible arms 515 defined around the axial bore 514.
  • the sleeve 508 is configured to be received within the axial bore 514 of the sleeve mount 506 wherein the flexible arms 515 flex out radially to receive the sleeve 508 with a snap fit arrangement.
  • the flexible arms 515 include inwardly extending fingers 517 for holding the sleeve 508 within the axial bore 514 once the sleeve 508 is received within the bore 514 (see FIG. 29).
  • the sleeve 508 can be inserted into the axial bore 514 from either end of the sleeve mount 506.
  • the sleeve 508 may also include a slit for allowing the sleeve 508 to compress elastically, reducing its diameter during insertion into the axial bore 514.
  • the latching hooks 512 are used for latching the SC-type connector housings to the adapters 38 as generally known in the art.
  • the lateral guides 510 are configured to slide within lateral slots 100 formed in each of the adapter openings 92 as shown in FIG. 10.
  • the cover panel 82 is placed on the block 56 to close up the open side 90 of the main body 58.
  • the cover panel 82 may be ultrasonically welded to the main body 58 to capture the ferrule alignment structures 500 within the block 56.
  • the block 56 is shown with a plurality of dust- caps 102 inserted into one end of the adapters 38.
  • the sleeve mount 506 is depicted as a one-piece design, in other embodiment, the sleeve mount 506 could be provided in multiple pieces.
  • a one piece main body 58 and a one-piece sleeve mount 506 facilitate assembly and reduces manufacturing costs compared to multi-piece bodies and multi-piece sleeve mounts.
  • the overall length of the array of adapters 38 from the top 96 to the bottom 98 of the block 56 can be reduced by providing a design where adjacent adapters 38 share a separating wall 94.
  • the adapter block 56 by being manufactured from a single-piece body 58 defining an integral array of adapters 38, can have reduced overall length, width, and height allowing for higher density of fiber terminations.
  • each adapter opening 92 includes a major dimension Dl and a minor dimension D2 wherein the major dimension Dl is greater than the minor dimension D2 (see FIG. 16).
  • the body 58 is configured such that the openings 92 are lined up along their minor dimensions D2 forming a length Ll for the entire array of adapters 38 (see FIG. 10).
  • the major dimension Dl is sized to generally correspond to the longer side of the rectangular face of an SC-type connector 71 and the minor dimension D2 is sized to generally correspond to the shorter side of the rectangular face of an SC-type connector 71, which are commonly known in the art.
  • the overall length Ll of the array of adapters 38 can be reduced relative to separately mounted adapters.
  • the configuration of the adapter walls 94 enables an adjacent adapter pair to share a common separating wall 94 and the openings 92 to be lined up along their minor dimensions D2 increasing the density of the adapters 38.
  • Ll may be about 3 inches. In another embodiment, wherein the block defines eight adapter openings 92, Ll may be less than about 3.2 inches.
  • the cover panel 82 and the main body 58 are also constructed such that the cover panel 82 is received within a recess 104 defined on the left side 90 of the block 56 and lies flush with the outer perimeter of the block 56 to reduce the width W ofthe block 56.
  • block 56 is configured for SC connectors 71 , other blocks defining an integral array of various different kinds of adapters are also contemplated.
  • the main housing portion 52 of the telecommunications module 36 is illustrated.
  • the main housing 52 includes a first transverse sidewall 110 (i.e., a left sidewall) extending between a top wall 112, a bottom wall 114, and a rear wall 116.
  • a removable cover portion 54 (shown in FIGS. 40-44) defines a second transverse wall 118 (i.e., right sidewall) of the telecommunications module 36 and closes off the open side 120 of the module main housing 52.
  • the front end 122 of the module main housing 52 defines an open end and is configured to receive the fiber optic adapter block 56 as discussed above.
  • the top and bottom walls 112, 114 define the top and bottom slots 70, 72, respectively, adjacent the front end 122 of the main housing 52 of the telecommunications module 36.
  • the slots 70, 72 receive the top and bottom guides 60, 62, respectively, of the adapter block 56 to slidably couple the adapter block 56 to the main housing 52.
  • a fastener 69 is used to fasten the main housing 52 to the adapter block 56.
  • the main housing 52 includes a mounting flange 74 at the top wall 112 for receiving the fastener 69.
  • the front edges of the left sidewall 110 of the main housing 52 and the right sidewall 118 defined by the cover 54 include a stepped configuration to match that of the adapter block 56.
  • the adapter block 56 is shown coupled to the main housing 52 in FIGS. 6-8. When the adapter block 56 is mounted to the module 36, the rear ends 113 of the adapters 38 face toward the interior 128 of the module 36 while the front ends 115 protrude away from the module 36. Once the cover 54 is attached to the main housing 52, the rear ends 113 of the adapters 38 of the block 56 are hidden within the interior 128 of the module 36.
  • the main housing 52 includes an integrally formed, pivotal latching arm 76 at the top wall 112 of the main housing 52.
  • the main housing 52 also includes an integrally formed, pivotal locking arm 78 at the bottom wall 114 thereof.
  • the latching arm 76 and the locking arm 78 are located adjacent the front of the module main housing 52 and are positioned to cooperate with the guide rails 80 defined on the adapter block 56 to provide slidability and lockability/latchability of the telecommunications module 36 with respect to the walls 400 of the termination panel 10, as will be described in detail below.
  • the main housing portion defines a curved wall portion 130 adjacent the intersection of the top wall 112 and the rear wall 116.
  • the curved portion 130 is configured to provide bend radius protection to any cables routed within the interior 128 of the main housing 52.
  • the rear wall 116 also includes a second latching arm 132.
  • the second latching arm 132 is an optional structure of the module 36 and can be incorporated into the module 36 if the module 36 is needed to be mounted to a fixture in a direction extending generally from the top wall 112 toward the bottom wall 114 of the main housing 52.
  • the optional latching arm 132 includes a second latching tab 134 and a second handle portion 136. The second handle portion 136 may be used to flex the second latch arm 132 to free the second latching tab 134 from a fixture.
  • a first radius limiter 138 e.g., a spool
  • the main housing 52 also includes a curved wall structure 140 adjacent the first radius limiter 138 configured to act as a cable management structure for routing cables within the module 36 (see FIG. 6).
  • the curved wall structure 140 is configured to keep fiber optic cables coiled around the first radius limiter 138, separate from the rest of the interior 128.
  • the cover 54 of the module 36 is mounted to the main housing 52 by fasteners through fastener mounts 142 defined on the main housing portion 52.
  • the fastener mounts 142 may also act as cable management structures within the interior 128 of the main housing portion 52 as shown in FIG. 6.
  • the cover 54 defines a complementary structure to the main housing 52 and includes a front edge 144 with a stepped configuration.
  • the cover 54 is configured to be fastened to the module main housing portion 52 to keep the internal components within the module main housing 52.
  • the cover 54 defines fastening holes 146 for receiving fasteners (see FIGS. 40-44 for details of the cover 54 of the module 36).
  • the telecommunications module 36 can be used to house a variety of different types of optical equipment, depending upon the desired connectivity.
  • the embodiment of the telecommunications module 36 depicted herein is configured to house two fiber optic splitters 300 (i.e., fiber optic couplers) within the main housing 52.
  • the main housing portion 52 includes an optical component mount 302 adjacent the top wall 112 of the main housing portion 52.
  • the optical component mount 302 defines first and second cavities 304, 306 for receiving first and second fiber optic splitters 300.
  • the fiber optic splitters 300 may be 2x2 splitters.
  • FIG. 6 A shows a diagrammatic view of the telecommunications module 36 illustrating the adapter ports of the telecommunications module 36 of FIG. 6 along with an example fiber optic circuit schematic for the module 36.
  • the two splitters 300 within the module main housing 52 may be used to provide for two different circuits within the module 36.
  • a first A signal having a first wavelength (1490 run) and a second A signal having a second wavelength (1550 nm) may be input through ports 1 and 2 of the module 36 as shown in FIG. 6A.
  • the first A signal may be power split 50%/50% into two signals.
  • the second A signal may also be power split 50%/50% into two signals.
  • One of the split signals of first signal A (1490 nm) is then combined with one of the split signals of second signal A (1550 nm) and output through port 3 of the module 36.
  • the other of the split signals of first signal A is also combined with the other of the split signals of second signal A and output through port 4 of the module 36.
  • a similar circuitry can be implemented for two input B signals, one having a 1490 nm wavelength and the other one having a 1550 nm wavelength.
  • the second splitter 300 can be used separately from the first splitter 300 in processing the B signals.
  • a first B signal having a first wavelength (1490 nm) and a second B signal having a second wavelength (1550 nm) may be input through ports 5 and 6.
  • the first B signal may be power split 50%/50% into two signals.
  • the second B signal may also be power split 50%/50% into two signals.
  • One of the split signals of first signal B (1490 nm) is then combined with one of the split signals of second signal B (1550 nm) and output through port 7 of the module 36.
  • the other of the split signals of first signal B is also combined with the other of the split signals of second signal B and output through port 8 of the module 36.
  • fiber optic circuitry described above is simply one of many different embodiments that can be implemented using different fiber optic equipment within the module 36 and should not be used to limit the broad inventive concepts of the telecommunications module 36 and features thereof.
  • other types of fiber optic splitters e.g.,
  • Fiber optic equipment other than splitters e.g., multiplexer/demultiplexers, attenuators, equalizers, etc.
  • FIG. 6 for simplicity, all of the ports in the interior of the module 36 are shown as populated, illustrating the routing of the fiber optic cables therein, while only one of the connector ports is shown as being populated outside of the module 36.
  • the same radius limiter 138 may be used for wrapping fiber optic cables of the A and B signal circuits.
  • the fasteners mounts 142 of the main housing 52 may also be used for guiding cables within the interior of the main housing 52.
  • FIGS. 45-48 illustrate the slidable interaction of the telecommunications modules 36 with the walls 400 of the termination panel.
  • One of the walls 400 is illustrated in closer detail in FIGS. 45 and 46.
  • Each wall 400 includes a guide edge 416 which defines a first notch 424 adjacent a first end 422 of the guide edge 416 and a second notch 426 adjacent a second end 428 of the guide edge.
  • the second notch 426 is defined by a tab 430 that forms a shoulder
  • the wall 400 also defines a pair of linear grooves 414 on opposite sides of the wall 400.
  • a groove 414 from one wall is configured to cooperate with an opposing groove 414 from an adjacent wall to provide a track for the sliding telecommunications module 36, as will be described in further detail below.
  • the walls 400 also include fastener openings 413 for mounting to a telecommunications device such as the termination panel 10 of FIGS. 1-3.
  • the sliding telecommunications module 36 is shown in a retracted position relative to the walls 400.
  • the sliding telecommunications module 36 is shown in a fully extended position relative to the walls 400.
  • the adapter block 56 of the telecommunications module 36 defines a pair of cooperating guide rails 80 for slidably mating with the grooves 414 formed on the wall 400.
  • a latching tab 150 of the integrally formed pivotal latching arm 76 (located on top) of the telecommunications module 36 abuts against the shoulder 420 to keep the module 36 in a retracted position.
  • the latching arm 76 has to be pivoted away from the tab 430 of the wall 400 to free the module 36. Once the latching tab 150 clears the shoulder 420 and is out of the second notch 426, the module 36 can be pulled by the handle portion 66 of the adapter block 56 to pull the module 36 away from the floor of the termination panel 10. The module 36 must be pulled with sufficient force to clear a locking tab 160 of the locking arm 78 (located at the bottom) of the telecommunications module 36 from the first notch 424 of the wall 400. As shown in FIG. 45, the first notch 424 defines a ramped face 440.
  • the locking tab 160 of the locking arm 78 of the module 36 sits within the first notch 424 against the ramped face 440 while the latching tab 150 of the latching arm 76 of the module 36 sits within the second notch 426. If the module 36 is pulled with enough force, the locking arm 78 pivots as the locking tab 160 rides along the ramped face 440 and clears the first notch 424.
  • the module 36 can be manually pulled such that the guide rails 80 slide within the linear grooves 414 of the walls 400 until the locking tab 160 of the locking arm 78 makes contact with the shoulder 420 defined within the second notch 426 of the wall 400. As shown in FIG. 48, in the extended position, the locking tab 160 of the locking arm 78 abuts against the shoulder 420 to keep the module 36 coupled to the walls 400 and prevents the module 36 from sliding off the walls 400.
  • the locking tab 160 may be pivoted away from the walls 400 to move the locking tab 160 out of the second notch 426 to allow module 36 to be completely separated from the walls 400 and the rest of the fiber termination panel 10, such as for repair or replacement of the telecommunications module 36.
  • the elastically pivotal configuration of the integral latching arm 76 and the integral locking arm 78 facilitates slidability and release of the module 36 from the walls 400. It should be understood that the high-density termination panel 10 shown in
  • FIGS. 1-3 is only one example of many different types of devices, equipment or fixtures where the sliding telecommunications modules 36 described herein can be utilized.
  • the telecommunications modules 36 can be slidably coupled to fixtures in the form of a chassis with a movable drawer as in U.S. Patent No. 6,504,988 and U.S. Patent Application Publication No. 2003/0007767, the entire disclosures of which are incorporated by reference.
  • the telecommunications modules 36 can also be used in telecommunications chassis, equipment, and fixtures similar to those shown in U.S. Patent No. 6,591,051, the entire disclosure of which is incorporated herein by reference.
  • the above specification, examples and data provide a complete description of the manufacture and use of the inventive aspects of the disclosure. Since many embodiments of the disclosure can be made without departing from the spirit and scope of the inventive aspects of the disclosure, the inventive aspects resides in the claims hereinafter appended.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

L'invention concerne un module (36) de télécommunications comprenant un boîtier principal (52) contenant un composant optique à l’intérieur du boîtier principal (52) et un bloc adaptateur (56) à fibre optique couplé au boîtier principal (52), le bloc adaptateur (56) comprenant un corps principal monobloc comprenant une paroi supérieure et une paroi inférieure, le bloc adaptateur (56) définissant une pluralité d’ouvertures s’étendant d’une extrémité avant à une extrémité arrière du corps principal, chaque ouverture définissant un adaptateur distinct, chaque ouverture définissant un axe longitudinal, les adaptateurs étant configurés de façon à recevoir des câbles munis de connecteurs s’étendant à partir du composant optique présent à l’intérieur du boîtier principal (52), le bloc adaptateur (56) comprenant au moins un rail (80) de guidage s’étendant généralement entre la paroi supérieure et la paroi inférieure du corps principal, le rail de guidage étant configuré de façon à monter par coulissement le module (36) de télécommunications à fibre optique sur un dispositif de télécommunications une fois que le bloc adaptateur (56) a été couplé au boîtier principal (52), ledit boîtier principal (52) comprenant un bras de verrouillage pivotant formé de façon intégrée et configuré de façon à pivoter pour verrouiller et déverrouiller sélectivement le module de télécommunications en vue d’un mouvement coulissant par rapport au dispositif de télécommunications.
PCT/US2009/064785 2008-11-21 2009-11-17 Module de télécommunications à fibre optique Ceased WO2010059623A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MX2011005380A MX2011005380A (es) 2008-11-21 2009-11-17 Modulo de telecomunicaciones de fibra optica.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11697308P 2008-11-21 2008-11-21
US61/116,973 2008-11-21

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WO2010059623A1 true WO2010059623A1 (fr) 2010-05-27

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PCT/US2009/064785 Ceased WO2010059623A1 (fr) 2008-11-21 2009-11-17 Module de télécommunications à fibre optique

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US (1) US8417074B2 (fr)
MX (1) MX2011005380A (fr)
WO (1) WO2010059623A1 (fr)

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