EP4118474A1 - Système et procédés de télécommunications - Google Patents

Système et procédés de télécommunications

Info

Publication number
EP4118474A1
EP4118474A1 EP21712439.5A EP21712439A EP4118474A1 EP 4118474 A1 EP4118474 A1 EP 4118474A1 EP 21712439 A EP21712439 A EP 21712439A EP 4118474 A1 EP4118474 A1 EP 4118474A1
Authority
EP
European Patent Office
Prior art keywords
patch panel
cabinet
cable
spools
equipment
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.)
Pending
Application number
EP21712439.5A
Other languages
German (de)
English (en)
Inventor
Jiri ZAVREL
Nico ROELANDTS
Tomas FUCSEK
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 Belgium BVBA
Original Assignee
Commscope Connectivity Belgium BVBA
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 Commscope Connectivity Belgium BVBA filed Critical Commscope Connectivity Belgium BVBA
Publication of EP4118474A1 publication Critical patent/EP4118474A1/fr
Pending 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
    • G02B6/4452—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
    • G02B6/44—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
    • G02B6/44524—Distribution frames with frame parts or auxiliary devices mounted on the frame and collectively not 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
    • G02B6/44—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
    • G02B6/44528—Patch-cords; Connector arrangements in the system or in the box
    • 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

Definitions

  • a telecommunications system includes a cabinet having a framework for mounting telecommunications equipment. Telecommunications equipment is mounted to the framework. A plurality of spools are mounted within the cabinet to manage overlength slack in fiber optic cables within the cabinet. A patch panel is mounted within the cabinet and defines a plurality of cable termination locations for receiving at least some of the fiber optic cables. The patch panel is mounted on a pivotable frame between a storage position and an access position. The plurality of spools are positioned intermediate the telecommunications equipment and the patch panel. A splice area is mounted within the cabinet and is accessible when the pivotable frame is in the access position. The splice area receives fiber optic cables from the patch panel for splicing to additional cables.
  • the cabinet can include one or more demarcation structures, such as panels, to separate the interior of the cabinet into different compartments or demarcation areas.
  • Each compartment can include: one or more of telecommunications equipment, spools for managing slack, a patch panel, and a splice area.
  • the two or more demarcation compartments can be generally identically constructed, or constructed with different equipment or components depending on the user of the cabinet’ s needs or the customers’ needs.
  • One customer need may relate to customers in one compartment receiving split signals, and customers in the other compartment receiving direct point-to-point connections. In other words, the point-to-point customers may not receive split signals.
  • Have the plural compartments helps technicians manage the equipment, cables and connections.
  • Other differentiating items within the compartments can be with respect to the use of passive splitting or active splitting, depending on the customer needs.
  • the splice area can be mounted on the pivotable frame on an opposite side from the patch panel, in some embodiments.
  • the splice area is mounted on a wall covered by the pivotable frame when the pivotable frame is in the storage position.
  • the pivotable frame includes a pivot section and a holding section.
  • the pivot section is hingedly connected to the framework.
  • the holding section holds the splice area.
  • the holding section is angled at a non-zero angle relative to the pivot section.
  • the holding section is angled at about 80-100 degrees relative to the pivot section.
  • the holding section has first and second opposite sides.
  • the first side holds the patch panel, and the second side holds the splice area.
  • the plurality of cable radius limiters are positioned along an edge of the holding section between the first side and the second side.
  • the cable radius limiters are arranged in a column along the edge of the holding section.
  • the telecommunications equipment is arranged in a vertical column.
  • the spools are arranged in a vertical column adjacent to the column of telecommunications equipment.
  • the pivotable frame is adjacent the column of spools, with the column of spools being between the column of telecommunications equipment and the pivotable frame.
  • the telecommunications equipment includes at least one splitter module.
  • the telecommunications equipment comprises a plurality of splitter modules.
  • the plurality of splitter modules includes at least two groups of splitter modules, and each group having more than one splitter module.
  • the at least two groups are arranged vertically relative to each other and with a base portion of each group being angled toward the plurality of spools relative to an upper portion of each group.
  • the at least two groups of splitter modules includes at least four groups of splitter modules.
  • each group has at least four splitter modules.
  • a method of organizing fiber optic cable includes providing a cabinet including a framework for mounting telecommunications equipment; mounting telecommunications equipment to the framework; routing overlength slack in the fiber optic cables to a plurality of spools mounted within the cabinet; connecting at least some of the fiber optic cables into a patch panel mounted within the cabinet, wherein the patch panel is mounted on a pivotable frame between a storage position and an access position, and wherein the plurality of spools are positioned intermediate to the telecommunications equipment and the patch panel; pivoting the pivotable frame to the access position; and routing fiber optic cables from the patch panel to a splice area mounted within the cabinet and accessible when the pivotable frame is in the access position.
  • the step of routing fiber optic cables to the splice area includes routing the fiber optic cables to the splice area mounted on the pivotable frame on an opposite side from the patch panel.
  • the step of routing fiber optic cables to the splice area includes routing the fiber optic cables to the splice area mounted on a wall covered by the pivotable frame, when the pivotable frame is in the storage position.
  • the step of mounting telecommunications equipment to the framework includes mounting at least one splitter module to the framework.
  • the step of mounting at least one splitter module to the framework includes mounting a plurality of splitter modules to the framework.
  • inventive aspects can relate to individual features and to combinations of features. It is to be understood that both the forgoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the broad inventive concepts upon which the embodiments disclosed herein are based.
  • FIG. 1 is a perspective view of a first embodiment of a telecommunications system utilizing a patch panel mounted on a pivotable frame, the pivotable frame being shown in a storage position, constructed in accordance with principles of this disclosure;
  • FIG. 2 is a perspective view of the pivotable frame and patch panel of FIG. 1 ;
  • FIG. 3 is a perspective view of the pivotable frame and patch panel of FIG. 2 as it is beginning to be pivoted from the storage position to an access position;
  • FIG. 4 is a perspective view of the patch panel and pivotable frame of FIG. 3 in a further position as it is being pivoted from the storage position to the access position;
  • FIG. 5 is a perspective view of the pivotable frame of FIGS. 2-4 and showing the access position, in which the splice area is visible and can be accessed;
  • FIG. 6 is a perspective view of the pivotable frame of FIGS. 2-5 and in the access position, in which the splice area is visible and accessible;
  • FIGS. 7-11 are top views of the pivotable frame of FIGS. 2-6 and showing various positions of the pivotable frame as it is rotated from the storage position (FIGS. 2 and 7) to the access position (FIGS. 6 and 11);
  • FIG. 12 is a perspective view of another embodiment of a telecommunications system utilizing a patch panel mounted on a pivotable frame, the pivotable frame being shown in a storage position, constructed in accordance with principles of this disclosure;
  • FIG. 13 is a perspective view of the patch panel of FIG. 12, depicted in the storage position;
  • FIG. 14 is a perspective view of the patch panel as it is being pivoted from the storage position to an access position;
  • FIG. 15 is a perspective view of the patch panel of FIGS. 13 and 14 pivoted to an access position to expose a splice area mounted on a back wall of the cabinet;
  • FIG. 16 is another perspective view of the patch panel of FIGS. 13-15 pivoted in the access position, showing the back of the patch panel and showing the area where the splice area would be;
  • FIG. 17 is a perspective view of the patch panel of FIGS. 13-16 depicting the patch panel in the access position and showing the front of the patch panel;
  • FIGS. 18-20 are top views of the patch panel of FIGS. 13-17 and showing various positions as it is rotated from the storage position (FIGS. 13 and 18) to the access position (FIGS. 16 and 20);
  • FIG. 21 is a perspective view of the embodiment of a telecommunications system shown in FIG. 12;
  • FIG. 22 is a front view of the system of FIG. 21;
  • FIG. 23 is another perspective view of the system of FIG. 21, and showing the patch panel pivoted to an access position;
  • FIG. 24 is a front view of the system of FIG. 23;
  • FIG. 25 is another perspective view of the system of FIG. 23 and showing the patch panel in the access position;
  • FIG. 26 is a top view of the system of FIG. 21;
  • FIG. 27 is a top view of the system of FIG. 21 and showing the patch panel in the access position;
  • FIG. 28 is a perspective view of another embodiment of a telecommunications system utilizing a patch panel mounted on a pivotable frame, the pivotable frame being shown in a storage position, constructed in accordance with principles of this disclosure;
  • FIG. 29 is a perspective view of the system of FIG. 28 and showing the patch panel pivoted to the access position;
  • FIG. 30 is another perspective view of the system of FIG. 29 with the patch panel in the access position;
  • FIG. 31 is a front view of the system of FIG. 28, the patch panel being shown in the storage position;
  • FIG. 32 is a front view of the system of FIG. 28, with the patch panel being omitted for purposes of illustration;
  • FIG. 33 is a top view of the system of FIG. 28, the patch panel being in the storage position;
  • FIG. 34 is a top view of the system of FIG. 28, the patch panel being in the access position;
  • FIG. 35 is a side view of the system of FIG. 28, with the outer cabinet wall removed for purposes of illustration;
  • FIG. 36 is a perspective view of a portion of the cable management structure used in the system of FIG. 28;
  • FIG. 37 is a perspective view of a subassembly of the cable management structure of FIG. 36;
  • FIG. 38 is a schematic illustration showing example cable routing through the system of FIG. 28;
  • FIG. 39 is a perspective view of an embodiment of a telecommunications system with alternative and/or additional features from the embodiments noted above;
  • FIG. 40 is perspective view of an example telecommunications system having multiple demarcated patch panel regions
  • FIG. 41 is an enlarged view of a portion of FIG. 40;
  • FIG. 42 is an enlarged view of a portion of FIG. 40;
  • FIG. 43 is an enlarged view of a portion of FIG. 40;
  • FIG. 44 is perspective view of an example telecommunications system having a demarcated cable spool and cable storage area
  • FIG. 45 is a front view of the telecommunications system of FIG. 44;
  • FIG. 46 is a partially exploded front view of the telecommunications system of FIG. 44;
  • FIG. 47 is an enlarged view of a portion of FIG. 44;
  • FIG. 48 is an enlarged view of a portion of FIG. 44;
  • FIG. 49 is a front view of the telecommunications system of FIG. 44 with a demarcation plate in a different location;
  • FIG. 50 is an enlarged perspective view of a portion of FIG. 49;
  • FIG. 51 shows the attachment of a cable spool to the cabinet of the systems of FIGS. 44-
  • FIG. 52 shows an example layout of the telecommunications equipment mounted to the framework; the plurality of spools mounted within the cabinet to manage overlength slack in fiber optic cables within the cabinet and including a demarcation structure; the patch panels mounted within the cabinet and defining a plurality of cable termination locations for receiving at least some of the fiber optic cables; the patch panels being mounted on a pivotable frame between a storage position and an access position; the plurality of spools positioned intermediate to the telecommunications equipment and the patch panel; and a splice area mounted within the cabinet and accessible when the pivotable patch panels are in the access position; the splice area receiving fiber optic cables from the patch panel for splicing to additional cables.
  • a telecommunications system that provides a compact way of bringing splicing and overlength storage into a minimum footprint between equipment and incoming cable.
  • FIG. 1 illustrates a first embodiment of a telecommunications system at 20.
  • the system includes a cabinet 22.
  • the cabinet 22 includes a rack or framework 24 for holding or mounting telecommunications equipment.
  • the framework 24 is generally rectangular defining an interior holding the interior components, to be described further below.
  • the system 20 includes telecommunications equipment 26.
  • the equipment 26 can be many different types of equipment that is used in fiber optic systems.
  • the equipment 26 can include active or passive equipment, including, e.g., an amplifier, etc.
  • the telecommunications equipment 26 is arranged in a vertical column.
  • fiber optic cable 27 will be routed from the central office to the system 20 and into the cabinet 22 via plate 25 and then be connected to the equipment 26.
  • the system 20 further includes a plurality of slack storage members or spools 28.
  • the spools 28 are mounted within the cabinet 22 to manage overlength slack in the fiber optic cables within the cabinet 22.
  • the spools 28 organize and take up overlength or slack in cables 29 from the equipment 26.
  • the spools 28 may be the type that are described in US Patent 6,289,159, incorporated herein by reference.
  • the spools 28 are arranged in a vertical column adjacent to the column of telecommunications equipment 26.
  • the system 20 includes a patch panel 30 mounted within the cabinet 22.
  • the patch panel 30 is provided as is well known in the art and defines a plurality of cable termination locations 32 for receiving at least some of the fiber optic cables 29 in the system 20, as the cables 29 are connected between the equipment 26 and the patch panel 30.
  • the patch panel 30 is mountable on a pivotable frame 34.
  • the pivotable frame 34 is movable between a storage position (FIGS. 1 and 2) and an access position (FIGS. 6 and 11).
  • the plurality of spools 28 is positioned intermediate the telecommunications equipment 26 and the patch panel 30.
  • the pivotable frame 34 is adjacent the column of spools 28, and the column of spools 28 is between the column of telecommunications equipment 26 and the pivotable frame 34.
  • a plurality of cable radius limiters 36 can be mounted on the pivotable frame 34 to help manage the cable and protect the fibers in the cable.
  • the radius limiters 36 are positioned between the patch panel 30 and a splice area 38.
  • the system 20 further includes splice area 38.
  • the splice area 38 is mounted within the cabinet 22 and is accessible when the pivotable frame 34 is in the access position (FIGS. 6 and 11).
  • the splice area 34 receives fiber optic cables from the patch panel 30 and is for splicing to additional cables. In many systems, the cables then exit the cabinet 22 and are directed to customers.
  • the splice area 38 can be many different embodiments including splice trays, such as those described in US 6,304,707, incorporated herein by reference.
  • the cables may enter the splice area via troughs.
  • the cables may include a cable clamping device, and there may be a termination unit associated with the tray.
  • the splice area 38 is mountable on the pivotable frame 34 on a side of the pivotable frame 34 that is opposite from the side holding the patch panel 30.
  • the plurality of cable radius limiters 36 are positioned along the edge of the pivotable frame 34 between the side holding the patch panel 30 and the side holding the splice area 38.
  • the radius limiters 36 are arranged in a column along the edge.
  • a storage arrangement or “parking area” 51 for holding one or more unconnected cables that are not connected into the patch panel termination locations 32.
  • the parking area 51 can include, for example, a housing or arrangement such as described in US Patent 7,218,827, incorporated herein by reference.
  • the parking area 51 can also include, for example, any type of structure (e.g., a foam block) that uses friction to hold the unconnected cables.
  • the pivotable frame 34 includes a pivot section 40 and a holding section 42.
  • the pivot section 40 is pivotally connected to the framework 24.
  • the pivot section 40 can be connected to the framework 24 by a hinge 44.
  • the holding section 42 has first and second opposite sides 46, 48.
  • the first side 46 holds the patch panel 30, and the second side 48 holds the splice area 38.
  • the radius limiters 36 are positioned along the edge of the holding section 42 between the first side 46 and second side 48.
  • the holding section 42 is angled at a non-zero angle relative to the pivot section 40.
  • the holding section 42 is angled at about 80-100 degrees, for example, about 90 degrees, relative to the pivot section 40.
  • the pivotable frame 34 In use, when it is desired to access the splice area 38, the pivotable frame 34 is pivoted about the hinge 44 to move the frame 34 from the storage position (FIGS. 2 and 7) to the access position (FIGS. 11 and 6). This exposes the splice area 38 and allows access to the splice area 38.
  • the frame 34 can be pivoted about an angle from the storage position (at 0°) to the access position (90-150°) for servicing or access to the splice area 38.
  • FIGS. 12-20 illustrate another embodiment of system 20. Much of the structure is similar and will use the same reference numerals and rely upon the description above with respect to the embodiment of FIGS. 1-11.
  • the pivotable frame 34 is itself the patch panel 30.
  • the patch panel 30 pivots between the storage position (FIGS. 12, 13, 18) and the access position (FIGS. 15-17, 19, 20).
  • the splice area 54 is mounted on a wall 56, which in this embodiment, is at the rear of the cabinet 22.
  • the patch panel 30 is in the storage position, the splice area 54 is covered and protected by the patch panel 30.
  • the patch panel 30 When the patch panel 30 is in the access position, it exposes and uncovers the splice area 54 on the wall 56.
  • the patch panel has a first side 58 and an opposite second side 60.
  • the second side 60 will be generally parallel to and in opposition to the splice area 54.
  • the patch panel 30 is rotated relative to the wall 56 and the splice area 54.
  • the angle can be, for example, between 60° and 150°. See, for example, FIG. 18 in which the storage position shows the patch panel 30 as generally parallel to the splice area 54.
  • FIG. 19 shows the patch panel 30 at an angle of about 60° relative to the splice area 54. In FIG. 20, the patch panel 30 is about 120° relative to the splice area 54.
  • FIGS. 16 and 18-20 show the wall 56 prior to the splice area 54 being added. It should be understood that when the splice area 54 is added, it may have the appearance of a series of trays as shown in FIG. 15.
  • the system 20 is highly flexible.
  • the system 20 of both embodiments of FIGS. 1 and 12 illustrate a cross-connect system; that is, a system which has cables between the equipment 26 and the patch panel 30 / and between the patch panel 30 and the splice area. If it is desired to have, instead of a cross-connect system, an interconnect system, the patch panel 30 is removed allowing fiber optic cable to connect directly between the equipment 26 and the splice area.
  • the system 20 can be used in a method of organizing fiber optic cable.
  • the method can include providing cabinet 22 including framework 24 for mounting telecommunications equipment 26.
  • the patch panel 30 is mounted on a pivotable frame 34 between a storage position and an access position.
  • the patch panel 30 includes cable radius limiters 36.
  • the spools 28 are positioned intermediate the telecommunications equipment 26 and the patch panel 30.
  • the step of routing fiber optic cables to the splice area 38 includes routing the cables to the splice area 38 mounted on the pivotable frame 34 on an opposite side from the patch panel 30.
  • FIGS. 21-27 depict further views of the embodiment of FIG. 12.
  • the system 20 is shown in perspective view. Much of the structure is similar and uses the same reference numerals and relies upon the description with respect to the embodiment of FIGS. 1-11.
  • the system 20 includes cabinet 22 with a rack or framework 24.
  • Telecommunications equipment 26 can be shown arranged vertically in a row along one side of the cabinet 22.
  • Adjacent to the equipment 26 is a plurality of slack storage members or spools 28.
  • the patch panel 30 pivots between the storage position (FIGS. 21, 22 and 26) and the access position (FIGS. 23, 24, 25, and 27).
  • the patch panel 30 When the patch panel 30 is pivoted from the storage position to the access position, it exposes splice area 54 (FIGS. 23 and 24).
  • the splice area 54 is mounted on the wall 56 which is at the rear of the cabinet 22.
  • the patch panel 30 is in the storage position, the splice area 54 is covered and protected by the patch panel 30.
  • the patch panel 30 When the patch panel 30 is in the access position, it exposes and uncovers the splice area 54 on the wall 56.
  • FIG. 24 illustrates the splice area 54 along the wall 56. It includes a series of splice trays 52.
  • FIGS. 21 and 22 show the patch panel 30 in the storage position.
  • the patch panel 30 is pivoted to the access position, which is angled away from the splice area 54 to allow access to the splice area 54.
  • FIGS. 26 and 27 it can be seen how the patch panel 30 pivots from the storage position, in which the patch panel 30 is generally parallel to the rear wall 56 holding the splice area 54, to the access position in FIG. 27 in which the patch panel 30 is pivoted away from the splice area 54 and extends outside of the enclosure of the cabinet 22.
  • the patch panel 30 is pivoted to be about 90° relative to the rear wall 56 of the cabinet 22. It should be understood that the patch panel 30 can be pivoted farther than 90°, to at least about 120° relative to the splice area 54.
  • the system 20 in the embodiment of FIGS. 21-27 may include various structures for managing cables for routing, organizing, and preventing sharp radii.
  • cable managers 100 are adjacent to the equipment 26, and in FIG. 21, they are along opposite sides of the equipment 26.
  • Access openings 104 are also provided below the patch panel 30 and adjacent to the spools 28.
  • a clamping area 106 is provided between a cable port area 108 in the cabinet 22 and the splice area 54.
  • FIG. 23 when the patch panel 30 is in the access position, cable rings 110 are visible and are attached to the second side 60 of the patch panel 30.
  • radius limiters 112, adjacent to the splice area 54 can be seen. The radius limiters 112 are attached to the rear wall 56.
  • cable managers 114 are visible alongside the splice area 54 next to a wall of the cabinet 22.
  • FIGS. 28-38 illustrate another embodiment of a telecommunications system 20.
  • the equipment 26 includes at least one splitter module 80.
  • the splitter module 80 is the type of module that is known in the art and may contain either passive optical splitters or wavelength division multiplexors.
  • the splitter modules 80 can be many types of configurations, and in this embodiment, the splitter modules 80 are 1 X 16 splitters.
  • the telecommunications equipment 26 includes a plurality of splitter modules 80.
  • the splitter modules 80 include at least two groups of splitter modules 80 which can include a first group 82, second group 83, third group 84, and fourth group 85. Each group 82-85 has more than one splitter module 80.
  • the groups 82-85 are arranged vertically relative to each other.
  • Each group 82-85 has a base portion 86, which is along a bottom, and an upper portion 87, which is along a top.
  • Each group 82-85 can be arranged so that the base portion 86 is angled toward the spools 28 and patch panel 30 relative to the upper portion 87 of each group 82-85.
  • This arrangement provides advantage in that optical fibers (e.g., pigtails 98, FIG. 38) extending from each group 82-85 do not dangle down and interfere with another one of the group 82-85.
  • FIGS. 31 and 32 it can be seen how the second group 83, third group 84, and fourth group 85 of splitter modules 80 include a radius limiter 90 to help direct the optical fibers (pigtails 98) from the groups 83, 84, 85.
  • each group 82-85 includes at least four splitter modules 80.
  • splitter modules 80 are illustrated as being at an angle, they may also be non-angled. However, it has been found to be advantageous when the groups 82-85 of splitter modules 80 are angled, as shown at reference numeral 92 in FIGS. 31 and 32.
  • the angle 92 is measured from the base portion 86 to a horizontal, parallel to the ground or the bottom of the cabinet 22. Angle 92 can be 5-40°, for example, 10-30°.
  • the patch panel 30 pivots or rotates from a storage position (FIGS. 28, 31, 33, and 35) to an access position (FIGS. 29, 30, and 34).
  • the splice area 54 is mounted within the cabinet 22 and is accessible when the pivotable frame 34, holding the patch panel 30, is in the access position.
  • the splice area 54 is used to receive fiber optic cables from the patch panel 30 for splicing to additional cables.
  • the splice area 54 can be used with fiber optic cables having a signal coming from the service provider.
  • An example of a fiber optic cable with a signal from a service provider, and how it is routed through the cabinet 22 is illustrated schematically in FIG. 38 and discussed below.
  • the FIG. 28 embodiment may include various structures for managing cables for routing, organizing, and preventing sharp radii.
  • cable managers 120 are located between the patch panel 30 and the spools 28.
  • Access opening 122 is located in a wall 124 between the patch panel 30 and the spools 28.
  • a clamping area 126 is provided between cable port area 94 in the cabinet 22 and the splice area 54.
  • Cable tie-offs 128 are provided along a cabinet wall adjacent to the clamping area 126 and splice area 54.
  • FIG. 29 when the patch panel 30 is in the access position, cable rings 130 are visible and are attached to the second side 60 of the patch panel 30. Also in FIG.
  • radius limiters 132 adjacent to the splice area 54, can be seen.
  • the radius limiters 132 are attached to the rear wall 56.
  • cable managers 114 are visible alongside the splice area 54 next to a wall of the cabinet 22.
  • a channel cable holder 134 is used along the radius limiters 132.
  • FIGS. 36 and 37 illustrate enlarged views of the cable management structure located between the splice area 54 and the spools 28.
  • Multi -piece cable holders 136 are adjacent to the splice trays 96 and feed into individual radius limiters 132.
  • the channel cable holder 134 covers the holders 136 vertically and helps prevent optical fibers from falling out of the holders 136 and limiters 132. Many variations are possible.
  • FIG. 38 An example of how fiber optic cable is routed through the system 20 is shown schematically in FIG. 38.
  • the optical fiber 88 with the signal from the cable provider (central office) 140 enters the cabinet 22 through port 94. From there, the optical fiber 88 is routed to the clamp area 126 wherein it is clamped or held with a clamp 144. From there, it is routed to splice area 54 and is spliced at A at one of the splice trays 96. From there, the spliced fiber 88 is routed to one of the splitter modules 80. In this example it is routed to splitter module 80 in the first group 82 of modules 80. The fiber 88 may also be held by one of the spools 28.
  • a plurality of further optical fibers which may be in the form of pigtails 98, will extend from the splitter module 80 and then will be routed toward the patch panel 30. Any overlength in the pigtails 98 can be routed onto one or more of the spools 28. In FIG. 38, many of the pigtails 98 are shown broken away after the splitter modules 80 for purposes of illustration. It should be understood that one or more of the pigtails 98c would then be connected to the patch panel 30. In addition, one or more of the pigtails 98p may be placed into the parking area 51 (FIG. 31). From the patch panel 30, there can be a connection at one of the splice trays 96, spliced at B, and from the splice tray 96, clamped at 146 and then routed to a user 142.
  • FIGS. 28-38 has advantages in that the footprint is smaller than many traditional arrangements having similar equipment. Many variations can be made.
  • FIG. 39 depicts an embodiment of a telecommunications system 220 including a cabinet 222 with a rack or framework 224, similar to the systems above. See in particular FIGS. 12-27, and related text. Also similar to the embodiments above, telecommunications equipment 26 can be included. Spools 28 for managing cables can also be provided along with a patch panel 30. A splice area 54 can also be provided in a similar manner.
  • System 220 includes a demarcation panel 230 which divides the cabinet into first and second demarcation areas 240, 242. The various features noted above for cabinet 22 including the equipment 26, the spools 28, the patch panel 30, and the splice area 54 can be provided in each demarcation area 240, 242.
  • the demarcation panel 230 allows for the creation of the two demarcation areas for increased management of customers serviced by system 220, or other variables including the various kinds of equipment 26, cables, connections at panels 30, which populate cabinet 222.
  • the different telecommunications equipment 26, spools 28 for managing cables, the patch panels 30 for managing the cable terminations, and the splice areas 54 for managing the splices in the different areas 240, 242 are labelled “a” and “b”.
  • Demarcation panel 230 is shown as a horizontal panel. In some embodiments, the panel 230 is not a complete barrier between the two areas 240, 242. For example, some cable passageways may be needed to access the different areas, such as when all cables enter cabinet 222 through the bottom. Other demarcation structures and more areas can be provided as desired.
  • demarcation area 240 services high-end customers, who may have a direct point-to-point connection, such as banks, businesses, or other high volume and/or high security customers.
  • Demarcation area 242 can be utilized to service residential customers who do not demand the same amount of service as the high-end customers. Also, differences in the equipment may relate to whether or not any splitters utilized within the equipment are passive or active.
  • FIGS. 40-43 illustrate another example embodiment of a telecommunications system 320 including a cabinet 322 with a rack or framework 324, similar to the systems above. Also similar to the embodiments above, telecommunications equipment 26 can be included. Spools 28 for managing cables can also be provided along with a patch panel 30. A splice area 54 can also be provided in a similar manner.
  • System 320 includes a demarcation panel 332 which divides at least a region of the cabinet 322 into first and second demarcation areas 340, 342.
  • the patch panel 30 includes a first patch panel 330a within the first demarcation area 340 and a second patch panel 330b within the second demarcation area 342.
  • the patch panels 330a, 330b are separated to group together cables from the same provider.
  • the patch panels 330a, 330b are separated to group together cables by customer types.
  • the first patch panel 330a may receive cables carrying signals to/from point-to-point customers while the second patch panel 330b may receive cables carrying signals to/from distributed network subscribers (i.e., subscribers receiving power split optical signals).
  • each patch panel 330a, 330b can pivot to reveal additional equipment of cabling.
  • one or more splice trays can be mounted behind one or both patch panels 330a, 330b. Accordingly, an incoming feeder cable can be routed to one or more of the splice trays to be optically spliced to connectorized pigtails pre-routed to the back ports of the patch panel 330a, 330b.
  • a plurality of splice trays can be pivotally mounted to a frame behind patch panel 330a, 330b.
  • a connectorized stub cable can be routed out of the cabinet 322.
  • the stub cable includes a jacketed portion that extends between a fanout and a distal end. At the fanout, the stub cable fibers are separated into individual fibers having connectorized ends plugged into rear ports of the patch panel 330a, 330b. The distal end of the stub cable is routed out of the cabinet 322 to be spliced or otherwise connected to the network at a location external of the cabinet 322.
  • each patch panel 330a, 330b is lockable in position to inhibit access to the area behind the patch panel 330a, 330b. For example, locking each patch panel 330a, 330b inhibits access to the rear ports of the patch panel 330a, 330b. Locking each patch panel 330a, 330b also inhibits access to the splice trays, fanout, or other components disposed behind the patch panel 330a, 330b. Accordingly, only technicians authorized to handle the network fibers will have access to the connections at the rear ports while the front ports will remain accessible from technicians authorized only to handle the patch cords that plug into the front ports.
  • the lower patch panel 330b can include a lock 350 that secures to the demarcation panel 332 (e.g., see FIG. 41).
  • Each demarcation area 340, 342 also includes a fiber pathway 346, 348 to route fibers from the patch panel 330a, 330b to the equipment 26 mounted at the framework 324.
  • One or more spools 28 can be mounted along the fiber pathways 346, 348.
  • the spools 28 are half-spools. In other examples, full spools, round spools, oval spools, and/or bend radius limiters can be utilized along the fiber pathways 346, 348.
  • the pathways 346, 348 are generally L-shaped having a lower horizontal path and a vertical path. In other examples, the pathways 346, 348 can be any desired shape.
  • the equipment 26 can include some components for use with one of the patch panels 330a, 330b and other components for use with the other of the patch panels 330a, 330b.
  • the equipment 26 can include optical splitters having outputs intended to be connected to the front ports of one of the patch panels 330a, 330b and wave division multiplexers having outputs intended to be connected to the front ports of the other one of the patch panels 330a, 330b.
  • the components can be generally arranged to align with corresponding demarcation areas 340, 342.
  • the wave division multiplexer can be aligned with a patch panel 330a, 330b for point-to-point customers and the optical splitter can be aligned with a patch panel 330a, 330b for distributed network subscribers.
  • the position of the equipment 26 does not correspond to the demarcation areas 340, 342.
  • the cabinet 322 defines one or more cable ports through which one or more cables can enter the cabinet 322.
  • the cabinet 322 includes a first cable port arrangement 352 aligned with the patch panels 330a, 330b.
  • the first cable port arrangement 352 includes one or more cable ports.
  • the cabinet 322 includes a second cable port arrangement 354 aligned with the equipment 26 mounted to the rack framework 324.
  • the second cable port arrangement 354 includes one or more cable ports.
  • cables entering the cabinet 322 through the first cable port arrangement 352 are routed to the patch panels 330a, 330b and cables entering the cabinet 322 through the second cable port arrangement 354 are routed to the equipment 26.
  • cables entering through the first cable port 352 can be routed to the equipment 26 or to both the patch panels 330a, 330b and the equipment 26.
  • cables entering through the second cable port 354 can be routed to the patch panels 330a, 330b or to both the patch panels 330a, 330b and the equipment 26.
  • the cable ports can be sealed (e.g., with a gland) to inhibit dust, water, and/or other contaminants from entering the cabinet 322.
  • unused cable ports 352, 354 can be covered by a plate or other covering.
  • an access opening 356 also can be defined at a top of the cabinet 322.
  • the access opening 356 can be aligned with the patch panels 330a, 330b. In other examples, the access opening 356 could be aligned with the equipment 26 mounted at the frame 324. In certain examples, the access opening 356 can be covered by a plate when not in use.
  • the cabinet 322 is vented to release heat generated by one or more of the equipment 26.
  • heat may be released by active optical splitters (e.g., Multi Diode Receiver splitters) or other such equipment 26.
  • the cabinet 322 may include a vent 362 at the top to enable heat rising from the equipment 26 to exit the cabinet 322.
  • a cabinet cover 360 can be mounted over the cabinet 322.
  • the cabinet cover 360 has a continuous surface extending over the bent 362.
  • the cabinet cover 360 defines slotted openings 364 along a periphery of the cabinet cover 360.
  • a bottom of the cabinet 322 also can be vented.
  • the demarcation panel 332 defines a slot 334 through which one or more of the cables can be routed past the lower patch panel 330b towards the upper patch panel 330a.
  • the slot 334 can have an open end 335 through which the cable can be laterally inserted into the slot 334.
  • the slot 334 is L-shaped. In such an example, the cables are pushed into the slot 334 through the open end 335, pushed rearwardly along a first portion 337 of the slot 334, and then slid sideways along a second portion 339 of the slot 334. Sliding the cables sideways moves the cables out of alignment with the open end 335 of the slot 334 to inhibit the cables from sliding out of the slot 334.
  • the fiber pathways 346, 348 may include guide walls 360, 364 that extend along at least part of the pathway to facilitate managing the fibers routed therethrough.
  • one or both guide walls 360, 364 may define one or more apertures 362, 366 to provide hand access to the fiber pathway 346, 348.
  • each guide wall 360, 364 defines a series of apertures 362, 366 disposed between the spools 28 to facilitate routing the fibers around the spools 28.
  • one or more guide members 368 can be mounted within the cabinet 322 to facilitate transitioning the fibers from the fiber pathways 346, 348 at the termination side of the cabinet 322 to the equipment 26 at the rack/frame side of the cabinet 322.
  • the guide members 368 define bend radius limiters surrounding a through passage to protect fibers routed therethrough.
  • the guide members 368 are cantilevered off the frame 324.
  • the guide members 368 are arranged in a column between the equipment 26 and the patch panels 330a, 330b. In one example, the column spans at least a majority of a height of the cabinet 322. In another example, the column spans one of the demarcation areas 342.
  • FIGS. 44-52 illustrate another example embodiment of a telecommunications system 420 including a cabinet 422 with a rack or framework 424, similar to the systems above. Also similar to the embodiments above, telecommunications equipment 26 can be included. Spools 28 for managing cables can also be provided along with a patch panel 30. Spools 28 define two separated cable storage areas as will be discussed below. A splice area 54 can also be provided in a similar manner behind the patch panel 430.
  • System 420 includes a demarcation panel 432 which divides at least a region of the cabinet 422 into first and second demarcation areas 440, 442.
  • the demarcations areas 440, 442 defined by panel 432 are only in the area of cable storage where the cable spools 28 are located in this example. Other variations for demarcation of other areas can be used.
  • the patch panel 430 includes one or more patch panels 430 or zones. In certain implementations, the patch panels 430 are separated to group together cables from the same provider. In certain implementations, the patch panels 430 are separated to group together cables by customer types. In one example, the first patch panel 430a may receive cables carrying signals to/from point-to-point customers while the second patch panel 430b may receive cables carrying signals to/from distributed network subscribers (i.e., subscribers receiving power split optical signals). A middle patch panel 430c can be designated as desired.
  • each patch panel 430 can pivot to reveal additional equipment of cabling.
  • one or more splice trays can be mounted behind the patch panels 430.
  • an incoming feeder cable can be routed to one or more of the splice trays to be optically spliced to connectorized pigtails pre-routed to the back ports of the patch panel 430a, 430b, 430c.
  • a plurality of splice trays can be pivotally mounted to a frame behind patch panel 430a, 430b, 430c.
  • a connectorized stub cable can be routed out of the cabinet 422.
  • the stub cable includes a jacketed portion that extends between a fanout and a distal end. At the fanout, the stub cable fibers are separated into individual fibers having connectorized ends plugged into rear ports of the patch panel 430a, 430b, 430c. The distal end of the stub cable is routed out of the cabinet 422 to be spliced or otherwise connected to the network at a location external of the cabinet 422.
  • System 420 also includes a fiber pathway 446, 448 to route fibers from the patch panel 430a, 430b, 430c to the equipment 26 mounted at the framework 424.
  • One or more spools 28 can be mounted along the fiber pathways 446, 448.
  • the spools 28 are half-spools. In other examples, full spools, round spools, oval spools, and/or bend radius limiters can be utilized along the fiber pathways 446, 448.
  • the pathways 446, 448 are generally having a wider upper and lower horizontal path and a vertical path.
  • Part of the cable storage areas include spools 428. In the example these spools 428 are the same shape as spools 28.
  • Spools 428 allow the slack to be wrapped around each spools 428 for further wrapping around a selected spools 28 in the column.
  • demarcation area 440, 442 spools 428 face in opposite directions to spools 28 of the column. Also upper spool area (demarcation area 440) is oppositely oriented to lower spool area (demarcation area 442).
  • Spools 428 define a wider dimension 454 and connect with vertical side passages 450, 452 that then communicate with the vertical column of spools 28 in the spool areas of demarcation 440, 442. Note that the side by side spools 428 each define a wider dimension (at the top and at the bottom) than narrower dimension 458 of the vertical column of spools 28.
  • the equipment 26 can include some components for use with one of the patch panels 430a, 430b, 430c and other components for use with the other of the patch panels 430a, 430b, 430c.
  • the equipment 26 can include optical splitters having outputs intended to be connected to the front ports of one of the patch panels 430a, 430b, 430c and wave division multiplexers having outputs intended to be connected to the front ports of the other one of the patch panels 430a, 430b, 430c.
  • the connecting cables and/or patch cords can be generally arranged to align with corresponding demarcation areas 440, 442.
  • the wave division multiplexer can be aligned with a patch panel 430a, for point-to-point customers and splitters can be aligned with a patch panel 430b for distributed network subscribers.
  • the cabinet 422 defines one or more cable ports through which one or more cables can enter as in the cabinet 322.
  • the cable ports can be sealed (e.g., with a gland) to inhibit dust, water, and/or other contaminants from entering as in the cabinet 322.
  • unused cable ports 352, 354 can be covered by a plate or other covering.
  • an access opening 356 also can be defined at a top of the cabinet 422.
  • the access opening 356 can be aligned with the patch panels 330a, 330b.
  • the access opening 356 could be aligned with the equipment 26 mounted at the frame 324.
  • the access opening 356 can be covered by a plate when not in use.
  • the cabinet 422 is like cabinet 322 which can be vented to release heat generated by one or more of the equipment 26.
  • heat may be released by active optical splitters (e.g., Multi Diode Receiver splitters) or other such equipment 26.
  • the cabinet 322 may include a vent 362 at the top to enable heat rising from the equipment 26 to exit the cabinet 322.
  • a cabinet cover 360 can be mounted over the cabinet 322.
  • the cabinet cover 360 has a continuous surface extending over the bent 362.
  • the cabinet cover 360 defines slotted openings 364 along a periphery of the cabinet cover 360.
  • a bottom of the cabinet 322 also can be vented.
  • the fiber pathways 446, 448 may be constructed like cabinet 322 to include guide walls 360, 364 that extend along at least part of the pathway to facilitate managing the fibers routed therethrough.
  • one or both guide walls 360, 364 may define one or more apertures 362, 366 to provide hand access to the fiber pathway 346, 348.
  • each guide wall 360, 364 defines a series of apertures 362, 366 disposed between the spools 28 to facilitate routing the fibers around the spools 28.
  • one or more guide members 368 can be mounted within the cabinet 422 to facilitate transitioning the fibers from the fiber pathways 346, 348 at the termination side of the cabinet 422 to the equipment 26 at the rack/frame side of the cabinet 322.
  • the guide members 368 define bend radius limiters surrounding a through passage to protect fibers routed therethrough.
  • the guide members 368 are cantilevered off the frame 324.
  • the guide members 368 are arranged in a column between the equipment 26 and the patch panels 430a, 430b, 430c. In one example, the column spans at least a majority of a height of the cabinet 422.
  • FIGS. 40-43 In one design including demarcation, there can be 6 double rows of SC adapters for the business customers (6x32) and 10 double rows of SC adaptors for the residential customers (10x32). See FIGS 40-43. Due to the separation plate between the patch panels in this design, some space is not available for use in the patch field. The design of FIGS. 44-52 increases the number of adapters. By taking out the demarcation panel or separation plate of the patch field, there can be 18 double rows (18x32) of SC adapters for a total of 576 positions. In the design of FIGS. 40-43 the two side by side spools or half drums take some space in the patch field. In FIGS.
  • the two spools or half drums 428 are moved to the top and the orientation of the drums for the business customers is changed 180 degrees.
  • FIG. 52 an example of the cable routing this can be seen.
  • the drop cable area is not part of the patch field. It is the area below the patch field where the cables are coming in.
  • Demarcation areas 440, 442 help separate cables as desired by the user.
  • the cabinet 422 preferably includes additional flexibility.
  • the demarcation panel 432 can be moved up and down one or more slots or positions.
  • the demarcation panel 432 can be held by removable fasteners to the back wall of the framework or cabinet.
  • the spools 28 can be rotated in the overlength storage area when the panel is moved to maintain a proper orientation for cable slack management. Compare FIGS. 44-48 with FIGS 49 and 50.
  • Panel 432 is moved down two positions, and two spools 28a, 28b are reoriented.
  • Spools 28 can be mounted with removable fasteners or other devices
  • the adapters for the patch area for the business customers may have a different color than the adapters for the residential customers.
  • the mixed area may still have another color.
  • FIG. 52 shows an example layout of the telecommunications equipment mounted to the framework; the plurality of spools mounted within the cabinet to manage overlength slack in fiber optic cables within the cabinet and including a demarcation structure; the patch panels mounted within the cabinet and defining a plurality of cable termination locations for receiving at least some of the fiber optic cables; the patch panels being mounted on a pivotable frame between a storage position and an access position; the plurality of spools positioned intermediate to the telecommunications equipment and the patch panel; and a splice area mounted within the cabinet and accessible when the pivotable patch panels are in the access position; the splice area receiving fiber optic cables from the patch panel for splicing to additional cables.
  • the above description includes example principles. Many embodiments can be made using these principles.

Abstract

Selon la présente invention, une armoire présentant une structure destinée au montage d'un équipement de télécommunications comprend une structure et un équipement de télécommunications monté sur la structure. L'équipement peut comprendre des modules répartiteurs. Des bobines sont montées à l'intérieur de l'armoire et permettent gérer un mou survenant en cas de longueur excessive des câbles à fibres optiques à l'intérieur de l'armoire. Un panneau de raccordement est monté à l'intérieur de l'armoire et définit une pluralité d'emplacements de terminaison de câble permettant de recevoir au moins certains des câbles à fibres optiques. Le panneau de raccordement est monté sur une structure pivotante entre une position de stockage et une position d'accès. Les différentes bobines sont positionnées entre l'équipement de télécommunications et le panneau de raccordement. Une zone d'épissure est montée à l'intérieur de l'armoire et est accessible lorsque la structure pivotante se trouve dans la position d'accès. La zone d'épissure reçoit des câbles à fibres optiques provenant du panneau de raccordement pour permettre l'épissure de câbles supplémentaires. Une structure de démarcation peut être située à l'intérieur de l'armoire pour séparer l'armoire en différentes zones de démarcation, de manière à séparer certains clients ou équipements et composants d'autres clients, équipements ou composants.
EP21712439.5A 2020-03-10 2021-03-10 Système et procédés de télécommunications Pending EP4118474A1 (fr)

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US202062987748P 2020-03-10 2020-03-10
US202063018801P 2020-05-01 2020-05-01
US202063032974P 2020-06-01 2020-06-01
PCT/EP2021/056066 WO2021180796A1 (fr) 2020-03-10 2021-03-10 Système et procédés de télécommunications

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NL2031468B1 (en) * 2022-03-31 2023-10-24 B V Twentsche Kabelfabriek Parking device, distribution frame and method for parking a patch cord
WO2023212339A1 (fr) * 2022-04-29 2023-11-02 Commscope Technologies Llc Armoire de télécommunications

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GB9603017D0 (en) 1996-02-14 1996-04-10 Raychem Sa Nv Optical fibre distribution system
EP0883828B1 (fr) 1996-02-29 2002-06-05 Tyco Electronics Raychem NV Platine d'assemblage de fibres
US6760531B1 (en) * 1999-03-01 2004-07-06 Adc Telecommunications, Inc. Optical fiber distribution frame with outside plant enclosure
US7142764B2 (en) * 2003-03-20 2006-11-28 Tyco Electronics Corporation Optical fiber interconnect cabinets, termination modules and fiber connectivity management for the same
US7070459B2 (en) * 2004-04-14 2006-07-04 Tyco Electronics Corporation Non-orthogonal cable management system
US7218827B2 (en) 2004-06-18 2007-05-15 Adc Telecommunications, Inc. Multi-position fiber optic connector holder and method
EP2989495B1 (fr) * 2013-04-24 2019-06-12 Prysmian S.p.A. Module d'utilisateur et procédé de connexion d'un réseau de communication externe
EP3523687B1 (fr) * 2016-10-05 2023-09-27 CommScope Connectivity Belgium BVBA Système de télécommunications et méthode associée
CN109765660A (zh) * 2017-11-09 2019-05-17 华为技术有限公司 支持多运营商接入的楼内共享装置、方法和系统

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