WO2010147924A1 - High-density fiber optic modules and module housings and related equipment - Google Patents
High-density fiber optic modules and module housings and related equipment Download PDFInfo
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- WO2010147924A1 WO2010147924A1 PCT/US2010/038580 US2010038580W WO2010147924A1 WO 2010147924 A1 WO2010147924 A1 WO 2010147924A1 US 2010038580 W US2010038580 W US 2010038580W WO 2010147924 A1 WO2010147924 A1 WO 2010147924A1
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- Prior art keywords
- fiber optic
- optic module
- width
- module
- module housing
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Classifications
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- 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
-
- 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
-
- 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
- the technology of the disclosure relates to fiber optic modules and fiber optic modules housings provided in fiber optic equipment to support fiber optic connections.
- optical fiber includes extremely wide bandwidth and low noise operation. Because of these advantages, optical fiber is increasingly being used for a variety of applications, including but not limited to broadband voice, video, and data transmission. Fiber optic networks employing optical fiber are being developed and used to deliver voice, video, and data transmissions to subscribers over both private and public networks. These fiber optic networks often include separated connection points linking optical fibers to provide "live fiber" from one connection point to another connection point. In this regard, fiber optic equipment is located in data distribution centers or central offices to support interconnections.
- Embodiments disclosed in the detailed description include high-density fiber optic modules and fiber optic module housings and related equipment.
- the fiber optic modules and fiber optic module housings comprise a main body defining an internal chamber disposed between a front side and a rear side.
- a front opening is disposed along a longitudinal axis in the front side of the main body.
- a plurality of fiber optic components is disposed through the front opening.
- the width and/or height of the front opening can be provided according to a designed relationship to the width and/or height, respectively, of the front side of the main body to support fiber optic components or connections within the fiber optic module and/or fiber optic module housing.
- fiber optic components can be installed in a given percentage or area of the front side of the fiber optic module to provide a high density of fiber optic connections for a given fiber optic component type(s).
- the front opening can be provided to support a designed connection density capacity of fiber optic components or connections for a given width and/or height of the front opening of the fiber optic module and/or fiber optic module housing.
- the fiber optic components and connections can be provided by fiber optic adapters and/or fiber optic connectors as examples.
- the fiber optic modules and fiber optic module housings disclosed herein can be disposed in fiber optic equipment including but not limited to a chassis and fiber optic equipment drawer.
- FIG. 1 is a front perspective view of an exemplary fiber optic equipment rack with an installed exemplary 1-U size chassis supporting high-density fiber optic modules to provide a given fiber optic connection density and bandwidth capability, according to one embodiment
- FIG. 2 is a rear perspective close-up view of the chassis of FIG. 1 with fiber optic modules installed in fiber optic equipment trays installed in the fiber optic equipment;
- FIG. 6 is a front perspective view of the fiber optic equipment tray of FIG. 3 without fiber optic modules installed;
- FIGS. 8A and 8B are left perspective views of an exemplary tray guides that can be disposed in the chassis of FIG. 1 and can be configured to receive fiber optic equipment trays of FIG. 6 capable of supporting one or more fiber optic modules;
- FIGS. 9A and 9B are perspective and top views, respectively, of an exemplary tray rail disposed on each side of the fiber optic equipment tray of FIG. 3 and configured to be received in the chassis of FIG. 1 by the tray guide of FIG. 8A or 8B;
- FIG. 11 is a perspective, exploded view of the fiber optic module in FIGS.
- FIG. 12 is a perspective top view of the fiber optic module of FIG. 11 with the cover removed and showing a fiber optic harness installed therein;
- FIG. 12A is a perspective top view of another fiber optic module with the cover removed showing the fiber optic harness installed within guides;
- FIG. 13 is a front view of the fiber optic module of FIG. 11 without fiber optic components installed;
- FIG. 14 is a front right perspective view of another alternate fiber optic module that supports twelve (12) fiber MPO fiber optic components and which can be installed in the fiber optic equipment tray of FIG. 3;
- FIG. 15 is front right perspective view of another alternate fiber optic module that supports twenty-four (24) fiber MPO fiber optic components and which can be installed in the fiber optic equipment tray of FIG. 3;
- FIG. 17 is front right perspective view of the fiber optic module of FIG. 16;
- FIG. 20 is front right perspective view of the fiber optic module of FIG. 19;
- FIG. 21 is a front view of the fiber optic module of FIGS. 19 and 20;
- FIG. 22 is a front perspective view of another alternate fiber optic module being installed in an alternate fiber optic equipment tray that can be installed in the chassis of FIG. 1;
- FIGS. 23 is front right perspective view of the fiber optic module of FIG. 22;
- FIG. 24 is a front view of the fiber optic module of FIGS. 22 and 23; and
- FIG. 25 is a front perspective view of alternate exemplary 4-U size fiber optic chassis that can support the fiber optic equipment trays and fiber optic modules according to the fiber optic equipment tray and fiber optic modules disclosed.
- the front openings of the fiber optic modules and/or fiber optic module housings can be provided to support a designed connection density of fiber optic components or connections for a given width and/or height of the front opening of the fiber optic module and/or fiber optic module housing.
- Embodiments disclosed in the detailed description also include high connection density and bandwidth fiber optic apparatuses and related equipment.
- fiber optic apparatuses are provided and comprise a chassis defining one or more U space fiber optic equipment units, wherein at least one of the one or more U space fiber optic equipment units is configured to support a given fiber optic connection density or bandwidth in a 1-U space, and for a given fiber optic component type(s).
- the fiber optic equipment 10 includes a fiber optic equipment chassis 12 ("chassis 12").
- the chassis 12 is shown as being installed in a fiber optic equipment rack 14.
- the fiber optic equipment rack 14 contains two vertical rails 16A, 16B that extend vertically and include a series of apertures 18 for facilitating attachment of the chassis 12 inside the fiber optic equipment rack 14.
- the chassis 12 is attached and supported by the fiber optic equipment rack 14 in the form of shelves that are stacked on top of each other within the vertical rails 16A, 16B. As illustrated, the chassis 12 is attached to the vertical rails 16A, 16B.
- the fiber optic equipment rack 14 may support 1-U-sized shelves, with "U” equal to a standard 1.75 inches in height and seventeen (19) inches in width. In certain applications, the width of "U" may be twenty-three (23) inches.
- the chassis 12 is 1-U in size; however, the chassis 12 could be provided in a size greater than 1-U as well.
- the fiber optic equipment 10 includes a plurality of extendable fiber optic equipment trays 20 that each carries one or more fiber optic modules 22.
- the chassis 12 and fiber optic equipment trays 20 support fiber optic modules 22 that support high-density fiber optic modules and a fiber optic connection density and bandwidth connections in a given space, including in a 1-U space.
- FIG. 1 shows exemplary fiber optic components 23 disposed in the fiber optic modules 22 that support fiber optic connections.
- the fiber optic components 23 may be fiber optic adapters or fiber optic connectors.
- duplex fiber optic adapters are disposed in each of the twelve (12) fiber optic modules 22 installed in fiber optic equipment trays 20 of the chassis 12, a total of one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, would be supported by the chassis 12 in a 1-U space.
- the chassis 12 also supports at least ninety-eight (98) fiber optic components in a 1 -U space wherein at least one of the fiber optic components is a simplex or duplex fiber optic component.
- multi-fiber fiber optic components were installed in the fiber optic modules 22, such as MPO components for example, higher fiber optic connection density and bandwidths would be possible over other chassis 12 that use similar fiber optic components. For example, if up to four (4) twelve (12) fiber MPO fiber optic components were disposed in each fiber optic module 22, and twelve (12) of the fiber optic modules 22 were disposed in the chassis 12 in a 1-U space, the chassis 12 would support up to five hundred seventy-six (576) fiber optic connections in a 1-U space.
- FIG. 2 is a rear perspective close-up view of the chassis 12 of FIG. 1 with fiber optic modules 22 loaded with fiber optic components 23 and installed in fiber optic equipment trays 20 installed in the chassis 12.
- Module rails 28A, 28B are disposed on each side of each fiber optic module 22.
- the module rails 28 A, 28B are configured to be inserted within tray channels 30 of module rail guides 32 disposed in the fiber optic equipment tray 20, as illustrated in more detail in FIGS. 3-5. Note that any number of module rail guides 32 can be provided.
- the fiber optic module 22 can be installed from both a front end 34 and a rear end 36 of the fiber optic equipment tray 20 in this embodiment.
- a front end 33 of the fiber optic module 22 can be inserted from the rear end 36 of the fiber optic equipment tray 20. More specifically, the front end 33 of the fiber optic module 22 is inserted into the tray channels 30 of the module rail guides 32. The fiber optic module 22 can then be pushed forward within the tray channels 30 until the fiber optic module 22 reaches the front end 34 of the module rail guides 32. The fiber optic modules 22 can be moved towards the front end 34 until the fiber optic modules 22 reach a stop or locking feature disposed in the front end 34 as will described later in this application.
- FIG. 6 also illustrates the fiber optic equipment tray 20 without installed fiber optic modules 22 to illustrate the tray channels 30 and other features of the fiber optic equipment tray 20.
- the front stop 38 will move outward away from the fiber optic module 22 such that the fiber optic module 22 is not obstructed from being pulled forward.
- the fiber optic module 22, and in particular its module rails 28A, 28B (FIG. 2), can be pulled forward along the module rail guides 32 to remove the fiber optic module 22 from the fiber optic equipment tray 20.
- the tray rails 56 are configured to be received in tray guides 58 disposed in the chassis 12 to retain and allow the fiber optic equipment trays 20 to move in and out of the chassis 12, as illustrated in FIG. 7. More detail regarding the tray rails 56 and their coupling to the tray guides 58 in the chassis 12 is discussed below with regard to FIGS. 8 and 9A-9B.
- the fiber optic equipment trays 20 can be moved in and out of the chassis 12 by their tray rails 56 moving within the tray guides 58. In this manner, the fiber optic equipment trays 20 can be independently movable about the tray guides 58 in the chassis 12.
- FIG. 7 illustrates a front perspective view of one fiber optic equipment tray 20 pulled out from the chassis 12 among three (3) fiber optic equipment trays 20 disposed within the tray guides 58 of the chassis 12.
- the tray guides 58 may be disposed on both a left side end 60 and a right side end 62 of the fiber optic equipment tray 20.
- the tray guides 58 are installed opposite and facing each other in the chassis 12 to provide complementary tray guides 58 for the tray rails 56 of the fiber optic equipment trays 20 received therein. If it is desired to access a particular fiber optic equipment tray 20 and/or a particular fiber optic module 22 in a fiber optic equipment tray 20, the pull tab 54 of the desired fiber optic equipment tray 20 can be pulled forward to cause the fiber optic equipment tray 20 to extend forward out from the chassis 12, as illustrated in FIG. 7.
- the fiber optic module 22 can be removed from the fiber optic equipment tray 20 as previously discussed. When access is completed, the fiber optic equipment tray 20 can be pushed back into the chassis 12 wherein the tray rails 56 move within the tray guides 58 disposed in the chassis 12.
- the tray guides 58,58' are configured to receive fiber optic equipment trays 20 supporting one or more fiber optic modules 22 in the chassis 12.
- the tray guides 58,58' allow the fiber optic equipment trays 20 to be pulled out from the chassis 12, as illustrated in FIG. 7.
- the tray guide 58 in FIG. 8 A is comprised of a guide panel 64.
- the guide panel 64 is comprised of an elongated member 65.
- the guide panel 64 may be constructed out of any material desired, including but not limited to a polymer or metal.
- the guide panel 64 contains a series of apertures 66 to facilitate attachment of the guide panel 64 to the chassis 12, as illustrated in FIG. 8A.
- Guide members 68 are disposed in the guide panel 64 and are configured to receive the tray rail 56 of the fiber optic equipment tray 20.
- leaf springs 72 are disposed in each of the guide members 68 of the tray guide 58 and are each configured to provide stopping positions for the tray rails 56 during movement of the fiber optic equipment tray 20 in the guide members 68.
- the leaf springs 72 are disposed between ends 73 disposed in the guide member 68 to give leaf springs 72 spring action.
- the leaf springs 72 each contain protrusions 74 that are configured to receive detents 76 (FIG. 9A and 9B) disposed in the tray rails 56 to provide stopping or resting positions.
- the tray rails 56 contain mounting platforms 75 that are used to attach the tray rails 56 to the fiber optic equipment trays 20.
- Stopping positions allow the technician to impart a certain force to pull or push the fiber optic tray 20 about the guide panel 64 so that the fiber optic equipment tray 20 is retained in place when not pulled or pushed.
- the force can also be designated to allow a technician to easily push in or pull out the fiber optic equipment tray 20 into and from the guide panel 64 when desired, especially when the fiber optic equipment tray 20 is located above the technician.
- two (2) detents 76 in the tray rail 56 are disposed in two (2) protrusions 74 in the tray guide 58 at any given time.
- the pulling force required to overcome the engagement of the protrusion 74 in the detents 76 could be designated to be greater than the pulling force required to engage or disengage a fiber optic connector from a fiber optic module 22 supported by the fiber optic equipment tray 20.
- the leaf springs 72 in this embodiment are designed to each provide the same force, but such does not have to be the case.
- the guide panel 64 and tray rail 56 could be designed to provide fewer stopping positions or only provide one protrusion 74 that is engaged with one detent 76 in each stopping or resting position.
- the tray guide 58' in FIG. 8B can also be employed as described above with regard to the tray guide 58 of FIG. 8A to support and allow movement of three (3) tray rails 56.
- stopping members 86 are disposed at the front end 78 and rear end 77 of the guide channel 70.
- the stopping members 86 do not have an inclined surface; thus the protrusion 80 in the tray rail 56 abuts against the stopping member 86 and is prevented from extending over the stopping member 86 and outside of the front end 78 of the guide channel 70.
- the form factor of the fiber optic module 22 allows a high density of fiber optic components 23 to be disposed within a certain percentage area of the front of the fiber optic module 22 thus supporting a particular fiber optic connection density and bandwidth for a given type of fiber optic component 23.
- this fiber optic module 22 form factor is combined with the ability to support up to twelve (12) fiber optic modules 22 in a 1-U space, as described by the exemplary chassis 12 example above, a higher fiber optic connection density and bandwidth is supported and possible.
- FIGS. 1OA and 1OB are right and left perspective views of the exemplary fiber optic module 22.
- the fiber optic module 22 can be installed in the fiber optic equipment trays 20 to provide fiber optic connections in the chassis 12.
- the fiber optic module 22 is comprised of a main body 90 receiving a cover 92.
- An internal chamber 94 (FIG. 11) disposed inside the main body 90 and the cover 92 and is configured to receive or retain optical fibers or a fiber optic cable harness, as will be described in more detail below.
- the main body 90 is disposed between a front side 96 and a rear side 98 of the main body 90.
- Fiber optic components 23 can be disposed through the front side 96 of the main body 90 and configured to receive fiber optic connectors connected to fiber optic cables (not shown).
- the fiber optic components 23 are duplex LC fiber optic adapters that are configured to receive and support connections with duplex LC fiber optic connectors.
- any fiber optic connection type desired can be provided in the fiber optic module 22.
- the fiber optic components 23 are connected to a fiber optic component 100 disposed through the rear side 98 of the main body 90. In this manner, a connection to the fiber optic component 23 creates a fiber optic connection to the fiber optic component 100.
- the fiber optic component 100 is a multi-fiber MPO fiber optic adapter equipped to establish connections to multiple optical fibers (e.g., either twelve (12) or twenty- four (24) optical fibers).
- the fiber optic module 22 may also manage polarity between the fiber optic components 23, 100.
- the module rails 28A, 28B are disposed on each side 102A, 102B of the fiber optic module 22. As previously discussed, the module rails 28 A, 28B are configured to be inserted within the module rail guides 32 in the fiber optic equipment tray 20, as illustrated in FIG. 3. In this manner, when it is desired to install a fiber optic module 22 in the fiber optic equipment tray 20, the front side 96 of the fiber optic module 22 can be inserted from either the front end 33 or the rear end 36 of the fiber optic equipment tray 20, as previously discussed.
- FIG. 11 illustrates the fiber optic module 22 in an exploded view with the cover 92 of the fiber optic module 22 removed to illustrate the internal chamber 94 and other internal components of the fiber optic module 22.
- FIG. 12 illustrates the fiber optic module 22 assembled, but without the cover 92 installed on the main body 90.
- the cover 92 includes notches 106 disposed in sides 108, 110 that are configured to interlock with protrusions 112 disposed on the sides 102A, 102B of the main body 90 of the fiber optic modules 22 when the cover 92 is attached to the main body 90 to secure the cover 92 to the main body 90.
- the cover 92 also contains notches 114, 116 disposed on a front side 118 and rear side 120, respectively, of the cover 92.
- a cable harness 134 is disposed in the internal chamber 94 with fiber optic connectors 136, 138 disposed on each end of optical fibers 139 connected to the duplex LC adapters 128 and the fiber optic component 100 disposed in the rear side 98 of the main body 90.
- the fiber optic component 100 in this embodiment is a twelve (12) fiber MPO fiber optic adapter 140 in this embodiment.
- Two vertical members 142A, 142B i.e., fiber guides) are disposed in the internal chamber 94 of the main body 90, as illustrated in FIG. 12, to retain the looping of the optical fibers 139 of the cable harness 134.
- the vertical members 142 A, 142B and the distance therebetween are designed to provide a bend radius R in the optical fibers 139 no greater than forty (40) millimeters and preferably twenty-five (25) millimeters or less, thereby aiding in maintaining a high fiber optic connector density.
- Other structures besides vertical members 142A,142B of FIG. 12 are possible for fiber guides that retain and/or route the cable harness 134 within the module to inhibit damage, organize, maintain a bend radius and/or make the device easier to assemble.
- the fiber guide structure is also useful for maintaining a bend radius R for the optical fibers.
- fiber guides 143,144 show a perspective top view of another fiber optic module 22 with the cover removed showing the fiber optic harness 134 installed within a plurality of fiber guides 143,144 for retaining and routing the optical fibers of fiber optic harness 134.
- Any suitable shape for the fiber guides are possible along with a suitable number of fiber guides in the module.
- one or more of the fiber guides can be shaped to accommodate a furcation body for the ribbon to individual fiber transition or the like.
- fiber guides 143,144 have two different shapes and have three different locations.
- fiber guides 143 are configured as L- guides and are located at a suitably spaced apart locations and fiber guide 144 is a J-guide spaced apart from fiber guides 143.
- FIG. 13 illustrates a front view of the fiber optic module 22 without loaded fiber optic components 23 in the front side 96 to further illustrate the form factor of the fiber optic module 22.
- the front opening 126 is disposed through the front side 96 of the main body 90 to receive the fiber optic components 23.
- the greater the width Wi of the front opening 126 the greater the number of fiber optic components 23 that may be disposed in the fiber optic module 22. Greater numbers of fiber optic components 23 equates to more fiber optic connections, which supports higher fiber optic connectivity and bandwidth.
- the larger the width Wi of the front opening 126 the greater the area required to be provided in the chassis 12 for the fiber optic module 22.
- the chassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twelve (12) simplex or six (6) duplex fiber optic adapters being disposed in the fiber optic modules 22.
- Supporting up to ten (10) fiber optic connections per fiber optic module 22 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., ten (10) fiber optic connections X twelve (12) fiber optic modules 22 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by ten (10) simplex or five (5) duplex fiber optic adapters being disposed in the fiber optic modules 22.
- Two (2) duplexed optical fibers to provide one (1) transmission/reception pair can allow for a data rate of ten (10) Gigabits per second in half-duplex mode or twenty (20) Gigabits per second in full-duplex mode.
- providing at least seventy-two (72) duplex transmission and reception pairs in a 1-U space employing at least one duplex or simplex fiber optic component can support a data rate of at least seven hundred twenty (720) Gigabits per second in half- duplex mode in a 1-U space or at least one thousand four hundred forty (1440) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver.
- This configuration can also support at least six hundred (600) Gigabits per second in half-duplex mode in a 1-U space and at least one thousand two hundred (1200) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver.
- This configuration can also support at least four hundred eighty (480) Gigabits per second in half-duplex mode in a 1-U space and nine hundred sixty (960) Gigabits per second in full duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver.
- At least sixty (60) duplex transmission and reception pairs in a 1-U space can allow for a data rate of at least six hundred (600) Gigabits per second in a 1-U space in half-duplex mode or at least one thousand two hundred (1200) Gigabits per second in a 1-U space in full -duplex mode when employing a ten (10) Gigabit transceiver.
- At least forty nine (49) duplex transmission and reception pairs in a 1-U space can allow for a data rate of at least four hundred eighty-one (481) Gigabits per second in half-duplex mode or at least nine hundred sixty-two (962) Gigabits per second in a 1-U space in full-duplex mode when employing a ten (10) Gigabit transceiver.
- the width Wi of front opening 126 could be designed to be greater than eighty-five percent (85%) of the width W2 of the front side 96 of the main body 90 of the fiber optic module 22.
- the width Wi could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W2.
- the width Wi could be less than ninety (90) mm.
- the width Wi could be less than eighty-five (85) mm or less than eighty (80) mm.
- the width Wi may be eighty-three (83) mm and width W2 may be eighty-five (85) mm, for a ratio of width Wi to width W2 of 97.6%.
- the front opening 126 has sufficient height to receive the fiber optic components 23, and such that three (3) fiber optic modules 22 can be disposed in a 1-U space height.
- height Hi could be twelve (12) mm or less or ten (10) mm or less.
- height Hi could be ten (10) mm and height H 2 could be eleven (11) mm (or 7/16 inches), for a ratio of height Hi to width H 2 of 90.9%.
- the fiber optic module 22' can support up to twenty- four (24) fiber optic connections.
- up to twelve (12) fiber optic modules 22' are provided in the fiber optic equipment trays 20 of the chassis 12, up to two hundred eighty-eight (288) fiber optic connections can be supported by the chassis 12 in a 1-U space.
- the front opening 126 of the fiber optic module 22' may support twenty-four (24) fiber optic connections in the width Wi (FIG. 13) to support a fiber optic connection density of at least one fiber optic connection per 3.4-3.5 mm of width Wi of the front opening 126.
- a panel may have one or more adapters on one side and no adapters on the opposite side.
- providing at least two-hundred eighty-eight (288) duplex transmission and reception pairs in a 1-U space employing at least one twelve (12) fiber MPO fiber optic components can support a data rate of at least two thousand eight hundred eighty (2880) Gigabits per second in half-duplex mode in a 1-U space or at least five thousand seven hundred sixty (5760) Gigabits per second in a 1- U space in full-duplex mode if employing a ten (10) Gigabit transceiver.
- This configuration can also support at least four thousand eight hundred (4800) Gigabits per second in half-duplex mode in a 1-U space and nine thousand six hundred (9600) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver.
- This configuration can also support at least one thousand nine hundred twenty (1920) Gigabits per second in half-duplex mode in a 1-U space and three thousand eight hundred forty (3840) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver.
- This configuration also supports a data rate of at least four thousand three hundred twenty-two (4322) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twelve (12) fiber MPO fiber optic component, or two thousand one hundred sixty-one (2161) Gigabits per second in full- duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty- four (24) fiber MPO fiber optic component.
- the fiber optic module 22' can support up to forty-eight (48) fiber optic connections.
- up to twelve (12) fiber optic modules 22' are provided in the fiber optic equipment trays 20 of the chassis 12, up to five hundred seventy-six (576) fiber optic connections can be supported by the chassis 12 in a 1-U space if the fiber optic modules 22' are disposed in the fiber optic equipment trays 20.
- FIG. 15 is a front perspective view of another alternate fiber optic module 22" that can be installed in the fiber optic equipment tray 20 of FIG. 1.
- the form factor of the fiber optic module 22" is the same as the form factor of the fiber optic module 22 illustrated in FIGS. 1-13.
- four (4) MPO fiber optic adapters 154 are disposed through the front opening 126 of the fiber optic module 22".
- the MPO fiber optic adapters 154 are connected to four (4) MPO fiber optic adapters 156 disposed in the rear end 98 of the main body 90 of the fiber optic module 22'.
- the MPO fiber optic adapters 150 support twelve (12) fibers
- the fiber optic module 22" can support up to forty-eight (48) fiber optic connections.
- the front opening 126 of the fiber optic module 22" may support twenty- four (24) fiber optic connections in the width Wi to support a fiber optic connection density of at least one fiber optic connection per 1.7 mm of width Wi of the front opening 126.
- the fiber optic module 22" can support up to ninety- six (96) fiber optic connections.
- the front opening 126 of the fiber optic module 22" may support up to ninety-six (96) fiber optic connections in the width Wi to support a fiber optic connection density of at least one fiber optic connection per 0.85 mm of width Wi of the front opening 126.
- fiber MPO fiber optic component can support a data rate of at least five thousand seven hundred sixty (5760) Gigabits per second in half- duplex mode in a 1-U space or at least eleven thousand five hundred twenty (11520) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver.
- This configuration can also support at least four thousand eight hundred (4800) Gigabits per second in half-duplex mode in a 1-U space and at least nine thousand six hundred (9600) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver.
- This configuration can also support at least three thousand eight hundred forty (3840) Gigabits per second in half- duplex mode in a 1-U space and at least seven thousand six hundred eighty (7680) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver.
- This configuration also supports a data rate of at least eight thousand six hundred forty two (8642) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty- four (24) fiber MPO fiber optic component, or four thousand three hundred twenty one (4321) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component.
- FIG. 16 illustrates an alternate fiber optic module 160 that may be provided in the fiber optic equipment trays 20 to support fiber optic connections and connection densities and bandwidths.
- FIG. 17 is a right front perspective view of the fiber optic module 160 of FIG. 16.
- the fiber optic module 160 is designed to fit across two sets of module rail guides 32.
- a channel 162 is disposed through a center axis 164 of the fiber optic module 160 to receive a module rail guide 32 in the fiber optic equipment tray 20.
- Module rails 165A, 165B similar to the module rails 28A, 28B of the fiber optic module 22 of FIGS. 1-13, are disposed on the inside the channel 162 of the fiber optic module 160 and configured to engage with tray channels 30 in the fiber optic equipment tray 20.
- Module rails 166A, 166B similar to the module rails 28A, 28B of the fiber optic module 22 of FIGS. 1-13, are disposed on each side 168, 170 of the fiber optic module 160 that are configured to engage with tray channels 30 in the fiber optic equipment tray 20.
- the module rails 166 A, 166B are configured to engage with tray channels 30 in a module rail guide 32 disposed between module rail guides 32 engaged with the module rail guides 32 disposed on the sides 168, 170 of the fiber optic module 160.
- Supporting up to twenty- four (24) fiber optic connections per fiber optic module 160 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty- four (24) fiber optic connections X six (6) fiber optic modules 160 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty- four (144) fiber optic connections in a 1-U space by twenty- four (24) simplex or twelve (12) duplex fiber optic adapters being disposed in the fiber optic modules 160.
- Supporting up to twenty (20) fiber optic connections per fiber optic module 160 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6) fiber optic modules 160 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in the fiber optic modules 160.
- FIG. 18 illustrates a front view of the fiber optic module 160 of FIGS. 16-17 without loaded fiber optic components 23 in the front side 172 to further illustrate the form factor of the fiber optic module 160 in this embodiment.
- Front openings 178A, 178B disposed on each side of the channel 162 are disposed through the front side 172 of a main body 180 of the fiber optic module 160 to receive the fiber optic components 23.
- the widths Wi and W2 and the heights Hi and H2 are the same as in the fiber optic module 22 illustrated in FIG. 13.
- the widths Wi of front openings 178 A, 178B are designed to be at least eighty- five percent (85%) of the width W2 of the front side 172 of the main body 180 of the fiber optic module 160.
- the width Wi of the front openings 178A, 178B could each be designed to be greater than eighty- five percent (85%) of the width W2 of the front side 172 of the main body 180 of the fiber optic module 160.
- the width Wi could be designed to be between ninety percent (90%) and ninety- nine percent (99%) of the width W2.
- the width Wi could be less than ninety (90) mm.
- the width Wi could be less than eighty-five (85) mm or less than eighty (80) mm.
- width Wi may be eighty-three (83) mm and width W2 may be eighty-five (85) mm, for a ratio of width Wi to width W2 of 97.6%.
- the front openings 178A, 178B may support twelve (12) fiber optic connections in the widths Wi to support a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width Wi of the front openings 178A, 178B.
- each of the front openings 178 A, 178B may support twelve (12) fiber optic connections in the widths Wi to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width Wi of the front openings 178A, 178B.
- the height Hi of front openings 178A, 178B could be designed to be at least ninety percent (90%) of the height H2 of the front side 172 of the main body 180 of the fiber optic module 160. In this manner, the front openings 178 A, 178B have sufficient height to receive the fiber optic components 23, while three (3) fiber optic modules 160 can be disposed in the height of a 1-U space.
- the height Hi could be twelve (12) mm or less or ten (10) mm or less.
- the height Hi could be ten (10) mm and height H2 could be eleven (11) mm, for a ratio of height Hi to height H 2 of 90.9%.
- FIG. 19 illustrates another alternate fiber optic module 190 that may be provided in the fiber optic equipment trays 20 to support fiber optic connections and connection densities and bandwidths.
- FIG. 20 is a right front perspective view of the fiber optic module 190 of FIG. 19.
- the fiber optic module 190 is designed to fit across two sets of module rail guides 32.
- a longitudinal receiver 192 is disposed through a center axis 194 and is configured to receive a module rail guide 32 in the fiber optic equipment tray 20 through an opening 193 in the receiver 192.
- Module rails 195A, 195B similar to the module rails 28A, 28B of the fiber optic module 22 of FIGS.
- fiber optic components 23 are disposed on each side 198, 200 of the fiber optic module 190 that are configured to engage with tray channels 30 in the fiber optic equipment tray 20.
- Up to twenty-four (24) fiber optic components 23 can be disposed in a front side 202 of the fiber optic module 190.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty- four (24) fiber MPO fiber optic connector 204 disposed in a rear end 206 of the fiber optic module 190.
- a total of six (6) fiber optic modules 190 can be supported in a given 1-U space.
- Supporting up to twenty- four (24) fiber optic connections per fiber optic module 190 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty- four (24) fiber optic connections X six (6) fiber optic modules 190 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty- four (144) fiber optic connections in a 1-U space by twenty (24) simplex or twelve (12) duplex fiber optic adapters being disposed in the fiber optic modules 190.
- FIG. 21 illustrates a front view of the fiber optic module 190 of FIGS. 19-20 without loaded fiber optic components 23 in the front side 202 to further illustrate the form factor of the fiber optic module 190.
- Front openings 208A, 208B are disposed on each side of the receiver 192 and through the front side 202 of a main body 210 of the fiber optic module 190 to receive the fiber optic components 23.
- the widths Wi and W2 and the heights Hi and H2 are the same as in the fiber optic module 22 as illustrated in FIG. 13.
- the width Wi of front openings 208 A, 208B is designed to be at least eighty-five percent (85%) of the width W2 of the front side 202 of the main body 210 of the fiber optic module 190.
- the front openings 208 A, 208B may support twelve (12) fiber optic connections in the widths Wi to support fiber optic connection density of at least one fiber optic connection per 7.0 mm of width Wi of the front openings 208A, 208B. Further, each of the front openings 208 A, 208B may support twelve (12) fiber optic connections in the widths Wi to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width Wi of the front openings 208A, 208B.
- FIG. 22 illustrates another alternate fiber optic module 220 that may be provided in a fiber optic equipment tray 20' to support a higher number of fiber optic connections and connection densities and bandwidths in a 1-U space.
- the fiber optic equipment tray 20' in this embodiment is similar to the fiber optic equipment tray 20 previously discussed above; however, the fiber optic equipment tray 20' only contains three (3) module rail guides 32 instead of five (5) module rail guides 32. Thus, the fiber optic equipment tray 20' only supports two fiber optic modules 220 across a 1-U width space. Thus, the fiber optic module 220 does not have to provide the channel 162 or receiver 192 of the fiber optic modules 160, 190, respectively, to be disposed within the fiber optic equipment tray 20'.
- fiber optic components 23 can be disposed in a front side 232 of the fiber optic module 220.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty- four (24) fiber MPO fiber optic connector 234 disposed in a rear end 236 of the fiber optic module 220.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty- four (24) fiber MPO fiber optic connector 234 disposed in a rear end 236 of the fiber optic module 220.
- Supporting up to twenty- four (24) fiber optic connections per fiber optic module 220 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty- four (24) fiber optic connections X six (6) fiber optic modules 220 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty- four (144) fiber optic connections in a 1-U space by twenty (24) simplex or twelve (12) duplex fiber optic adapters being disposed in the fiber optic modules 220.
- Supporting up to twenty (20) fiber optic connections per fiber optic module 220 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6) fiber optic modules 220 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in the fiber optic modules 220.
- FIG. 24 illustrates a front view of the fiber optic module 220 of FIGS. 22-23 without loaded fiber optic components 23 in the front side 232 to further illustrate the form factor of the fiber optic module 220 in this embodiment.
- a front opening 238 is through the front side 232 of a main body 240 of the fiber optic module 220 to receive the fiber optic components 23.
- Width W 4 of the front opening 238 is about twice the width Wi of the front opening 98 in the fiber optic module 22 illustrated in FIG. 13.
- Width W5 of the front side 232 is about one-hundred eighty-eight (188) millimeters, which is slightly greater than about twice the width W 3 of the fiber optic module 22 illustrated in FIG. 13.
- the height Hi of the front opening 238 could be designed to be at least ninety percent (90%) of the height H 2 of the front side 232 of the main body 240 of the fiber optic module 220. In this manner, the front opening 238 has sufficient height to receive the fiber optic components 23, while three (3) fiber optic modules 220 can be disposed in the height of a 1-U space.
- the height Hi could be twelve (12) mm or less or ten (10) mm or less.
- the height Hi could be ten (10) mm and height H 2 could be eleven (11) mm, for a ratio of height Hi to height H 2 of 90.9%.
- the tray guides 58 previously described are used in the chassis 262 to support tray rails 56 of the fiber optic equipment trays 20 therein and to allow each fiber optic equipment tray 20 to be independently extended out from and retracted back into the chassis 262.
- a front door 264 is attached to the chassis 262 and is configured to close about the chassis 262 to secure the fiber optic equipment trays 20 contained in the chassis 262.
- a cover 266 is also attached to the chassis 262 to secure the fiber optic equipment trays 20.
- up to twelve (12) fiber optic equipment trays 20 can be provided.
- the fiber optic connection densities and connection bandwidths are still the same per 1-U space.
- the fiber optic connection densities and connection bandwidth capabilities have been previously described and equally applicable for the chassis 4262 of FIG.
- the table below summarizes some of the fiber optic connection densities and bandwidths that are possible to be provided in a 1-U and 4-U space employing the various embodiments of fiber optic modules, fiber optic equipment trays, and chassis described above.
- two (2) optical fibers duplexed for one (1) transmission/reception pair can allow for a data rate often (10) Gigabits per second in half-duplex mode or twenty (20) Gigabits per second in full-duplex mode.
Abstract
Description
Claims
Priority Applications (8)
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JP2012516180A JP5746691B2 (en) | 2009-06-19 | 2010-06-15 | High density optical fiber module, module housing and related equipment |
EP16176271.1A EP3096166B1 (en) | 2009-06-19 | 2010-06-15 | High-density fiber optic modules and related equipment |
CN201080031967.6A CN102804013B (en) | 2009-06-19 | 2010-06-15 | High-density optical-fiber module and module housing and relevant devices |
CA2765912A CA2765912C (en) | 2009-06-19 | 2010-06-15 | High-density fiber optic modules and module housings and related equipment |
AU2015230742A AU2015230742B2 (en) | 2009-06-19 | 2015-09-23 | High-density fiber optic modules and module housings and related equipment |
AU2017245463A AU2017245463B2 (en) | 2009-06-19 | 2017-10-13 | High-density fiber optic modules and module housings and related equipment |
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US12/771,473 | 2010-04-30 |
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EP3096166B1 (en) | 2009-06-19 | 2021-03-10 | Corning Optical Communications LLC | High-density fiber optic modules and related equipment |
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US20140226946A1 (en) | 2014-08-14 |
AU2010260251A1 (en) | 2012-02-02 |
EP3096166B1 (en) | 2021-03-10 |
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HK1231566A1 (en) | 2017-12-22 |
CA2765912A1 (en) | 2010-12-23 |
JP5746691B2 (en) | 2015-07-08 |
AU2015230742B2 (en) | 2017-07-13 |
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US20100322579A1 (en) | 2010-12-23 |
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