CN105629412B - A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof - Google Patents

A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof Download PDF

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Publication number
CN105629412B
CN105629412B CN201610159657.1A CN201610159657A CN105629412B CN 105629412 B CN105629412 B CN 105629412B CN 201610159657 A CN201610159657 A CN 201610159657A CN 105629412 B CN105629412 B CN 105629412B
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China
Prior art keywords
land
cable
optical fiber
shell
fiber cable
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Active
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CN201610159657.1A
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CN105629412A (en
Inventor
吴金峰
朱宗军
蔡卫兵
郭朝阳
蔡炳余
张建民
谢书鸿
薛建林
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Zhongtian Technology Submarine Cable Co Ltd
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Zhongtian Technology Submarine Cable Co Ltd
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Priority to CN201610159657.1A priority Critical patent/CN105629412B/en
Publication of CN105629412A publication Critical patent/CN105629412A/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4415Cables for special applications
    • G02B6/4427Pressure resistant cables, e.g. undersea cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/44384Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/504Installation in solid material, e.g. underground
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/506Underwater installation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Cable Accessories (AREA)

Abstract

The invention discloses a kind of submarine optical fiber cables and land optical cable connecting device and attaching method thereof, the attachment device includes cover board, shell, long bolt, fibre melting disc, cone seat and land cable clamp, the one side of cover board is plane, another side is equipped with circular recessed region and ring groove by origin of center, hull shape matches with the cover board, the open end of shell is equipped with annulus side, and it is equipped with more hollow circuit cylinders in cylinder, wherein a hollow circuit cylinder is fixedly connected with submarine optical fiber cable by cone seat, inner cone and outer cone are additionally provided between submarine optical fiber cable and cone seat, wherein another hollow circuit cylinder is fixedly connected by land cable clamp with land optical cable;Several fibre melting discs are additionally provided in shell, fibre melting disc is fixed by long bolt.The present apparatus can effectively clamp armouring wire, and submarine optical fiber cable is made not deviate from by violent pulling force, not broken;Land cable clamp is combined with intermediate plate is capable of providing clamping force, and land optical cable is made not to be drawn out under the pulling force of moment big numerical value.

Description

A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof
Technical field
The present invention relates to a kind of submarine optical fiber cables and land optical cable connecting device and attaching method thereof, especially suitable for Submarine Optical Cable is connect after logging in land optical cable, while being also applied for underwater optical cable and being connect with land optical cable.
Background technology
As Communication in China system is grown rapidly, old Fiber Optical Submarine Cable System use reaches the time limit, submarine optical fiber cable construction with Newer dynamics also increases therewith.Submarine optical fiber cable needs to connect with land optical cable after logging in, and attachment device is in use Security reliability is most important.In use, logging in tie point can be irregularly by bigger instantaneous drawing for submarine optical fiber cable Power, simultaneously because tide, logging in tie point can frequently recycle between humidity and the state being submerged, if tie point not into Row effective protection can lead to disconnecting, optical cable water inlet, to cause the loss of different aspect.For such case, invention one The attachment device of kind submarine optical fiber cable and land optical cable, by the device fixes submarine optical fiber cable and connect, and bury with land optical cable If to have the function that protect optical cable connection communication.
Invention content
Goal of the invention:The purpose of the present invention is to solve deficiency in the prior art, a kind of submarine optical fiber cable and land are provided The attachment device and attaching method thereof of ground optical cable, it can be ensured that submarine optical fiber cable and land optical cable be connected to by instantaneous pulling force and It remains able to work normally in the case of being submerged, which will not damage with connecting, while the apparatus structure is simple, installation Convenient, reliability is high, and service life is long.
Technical solution:A kind of submarine optical fiber cable of the present invention and land optical cable connecting device, including cover board, shell are long The one side of screw rod, fibre melting disc, cone seat and land cable clamp, the cover board is plane, and another side is equipped with circle by origin of center Sunk area and ring groove, while it being uniformly distributed screw-threaded counterbore in surrounding, the hull shape matches with the cover board, institute The open end for stating shell is equipped with annulus side, and is equipped with more hollow circuit cylinders in cylinder, wherein a hollow circuit cylinder passes through cone Seat is fixedly connected with submarine optical fiber cable, inner cone and outer cone is additionally provided between the submarine optical fiber cable and the cone seat, wherein another The hollow circuit cylinder is fixedly connected by land cable clamp with land optical cable;Several fibre melting discs are additionally provided in the shell, it is described molten Fine disk is fixed by long bolt.
Further, the cover board is bolted with the shell, and the joint of the cover board and the shell is set There is O-ring seal.
Further, the cone seat uses hollow, coaxial inner cylinder and outer-hexagonal column structure, and in cylinder side Equipped with equally distributed threaded hole.
Further, the inner cone is hollow taper structure, and is arranged on the inside of the outer cone, and the pyramidal structure is small Diameter end is arranged on the outside.
Further, the outer cone is made of the cylinder of two coaxial different radiis, is had respectively in big cylinder side Threaded hole.
Further, the knot of the joint and the land cable clamp and the land optical cable of the cone seat and submarine optical fiber cable Gasket and sealing ring are equipped at conjunction.
Further, it is additionally provided with intermediate plate between the land cable clamp and the land optical cable.
Further, the hollow circuit cylinder outer end on the shell cylinder is equipped with plug and plug cover board.
Further, the hollow circuit cylinder quantity is at least four.
The invention also discloses a kind of above-mentioned connection methods of submarine optical fiber cable and land optical cable connecting device, including walk as follows Suddenly:
(1)The connection place for determining submarine optical fiber cable and land optical cable first, digs about 1.5-2 meters of deep hole or other storages The space of the device;
(2)Submarine optical fiber cable and land optical cable are drawn in the space of placement, the cable within 2 meters away from end is straightened, Then the end of submarine optical fiber cable and land optical cable is handled well;
(3)By external conical sleeve in submarine optical fiber cable outermost layer, by inner conical drogue outside the insulating sheath of submarine optical fiber cable, armouring wire It is interior, cone seat is sleeved on the insulating sheath of submarine optical fiber cable;
(4)In order by gasket, sealing ring, gasket is fitted into one in multiple hollow cylinders of shell, by Submarine Optical The insulating sheath of cable passes through gasket up to enclosure interior to appropriate location;
(5)Cone seat is screwed on cylinder and is tightened, inner cone large round end surface is adjacent to cone seat, by the armouring wire of submarine optical fiber cable It is evenly spaced in interior poppet surface;
(6)Outer cone is placed on to the outside of submarine optical fiber cable armouring wire, is fixed outer cone and cone seat tightly using bolt;
(7)Land cable clamp is sleeved on the optical cable of land, in order by gasket, sealing ring, gasket be fitted into shell it is multiple in Remaining one in hollow cylinder, pass through gasket up to enclosure interior to appropriate location on land optical cable;
(8)Land cable clamp is screwed on cylinder and is tightened, intermediate plate and land cable clamp are connected and fixed by blending bolt, make its folder Tight land cable;
(9)Long bolt is screwed into housing bottom, is put into fibre melting disc;
(10)By the fused fiber splice of the land optical cable and submarine optical fiber cable handled well, neat disk enters in fibre melting disc, and fixed It is good;
(11)O-ring seals are sleeved on the step of plug, are put into the remaining hollow circuit cylinder body of shell, O-ring seals In inside, plug cover board is selected on hollow cylinder and is tightened;
(12)O-ring seals are put into the annular groove of cover board, plane upward, is covered on shell, by shell and cover board It is tightened with bolt.
Advantageous effect:The design of tapered fixture of the present invention can effectively clamp armouring wire, make submarine optical fiber cable by play Do not deviate from the case of strong pulling force, it is not broken;Land cable clamp is combined with intermediate plate is capable of providing clamping force, makes land optical cable in moment It is not drawn out under the pulling force of big numerical value;Sealing structure can effective protection internal connection, ensure not intake within the 10m depth of waters; Four interfaces of shell can be converted freely, can be with one-in-and-one-out, can also be one into having more, can also Two In and Two Out;Structure master It is used for the connection of submarine optical fiber cable and land bottom optical cable, while being also suitable the connection with other Water line optic cables and land optical cable.
Description of the drawings
Fig. 1 is the structural front view of one embodiment of the invention;
Fig. 2 is the structure sectional view of Fig. 1.
Specific implementation mode
A kind of submarine optical fiber cable as depicted in figs. 1 and 2 and land optical cable connecting device, the device include cover board 1, shell 2, O-ring seals 3, long bolt 4, fibre melting disc 5, cone seat 6, inner cone 7, outer cone 8, land cable clamp 9, intermediate plate 10, gasket 11, sealing ring 12, plug 14, plug cover board 15.The one side of the cover board 1 is plane, and another side is equipped with circular recessed region by origin of center And ring groove, while it being uniformly distributed screw-threaded counterbore in surrounding, 2 shape of the shell matches with the cover board 1, the shell 2 open end is equipped with annulus side, and is equipped with more hollow circuit cylinders in cylinder, wherein a hollow circuit cylinder is solid by cone seat 6 Surely it is connected with submarine optical fiber cable 17, inner cone 7 and outer cone 8 are additionally provided between the submarine optical fiber cable 17 and the cone seat 6, wherein another Hollow circuit cylinder described in root is fixedly connected by land cable clamp 9 with land optical cable 16;Several fibre melting discs 5 are additionally provided in the shell 2, The fibre melting disc 5 is fixed by long bolt 4.
As advanced optimizing for above-mentioned technical proposal:
Further, the cover board 1 is bolted with the shell 2, the engagement of the cover board 1 and the shell 2 Place is equipped with O-ring seal 3.
Further, the cone seat 6 uses hollow, coaxial inner cylinder and outer-hexagonal column structure, and cylinder side It is equipped with equally distributed threaded hole.
Further, the inner cone 7 is hollow taper structure, and is arranged on the inside of the outer cone 8, and the pyramidal structure Miner diameter end is arranged on the outside.
Further, the outer cone 8 is made of the cylinder of two coaxial different radiis, is had respectively in big cylinder side Threaded hole.
Further, the cone seat 6 and the joint of submarine optical fiber cable 17 and the land cable clamp 9 and the land optical cable 16 junction is equipped with gasket 11 and sealing ring 12.
Further, it is additionally provided with intermediate plate 10 between the land cable clamp 9 and the land optical cable 16.
Further, the hollow circuit cylinder outer end on 2 cylinder of the shell is equipped with plug 14 and plug cover board 15.
Further, the hollow circuit cylinder quantity is at least four.
Specifically, one embodiment of the present of invention structure chart as depicted in figs. 1 and 2.Its cover plate is 1 cake shape, It is on one side plane, another side has circular recessed region and ring groove by origin of center, while being uniformly distributed screw thread in surrounding Counterbore;Shell 2 is cylindrical chamber shape, and there is annulus side in open end, has four hollow circuit cylinder distributions in cylinder;O-ring seals 3 are Standard seal circle;Long bolt 4 is master screw;Fibre melting disc 5 is normal size fiber disk, there is four;Cone seat 6 is coaxial cylinder Body and outer-hexagonal cylinder, it is hollow, have in cylinder side and has divided equally threaded hole;Inner cone 7 is hollow taper structure;Outer cone 8 is coaxial The cylinders of two different radiis constitute, it is hollow cone to have threaded hole respectively, inside in big cylinder side, and miner diameter end exists Small cylinder side;Land cable clamp 9 is outer-hexagonal cylinder, hollow, and it is the outer-hexagonal cylinder of half that, which there are internal thread, side in side, There is symmetrical threaded hole on axial end face;Intermediate plate 10 is the outer-hexagonal cylinder of half, face corresponding with land cable clamp 9 same location There are four through-holes;Gasket 11 is hollow cylinder;Sealing ring 12 is plate washer;Plug 14 is cylinder, and there is cylinder in side Step;Plug cover board 15 is outer-hexagonal cylinder, and one side closed, there is internal thread in side.
The connection method of above-mentioned a kind of submarine optical fiber cable and land optical cable connecting device, includes the following steps:
(1)About 1.5-2 meters of deep hole or other is dug in the connection place for determining submarine optical fiber cable 17 and land optical cable 16 first Store the space of the device;
(2)Submarine optical fiber cable 17 and land optical cable 16 are drawn in the space of placement, the cable within 2 meters away from end needs to carry out school Directly, the end of submarine optical fiber cable 17 and land optical cable 16 is then handled well;
(3)Outer cone 8 is sleeved on 17 outermost layer of submarine optical fiber cable, inner cone 7 is sleeved on outside the insulating sheath of submarine optical fiber cable 17, armouring In steel wire, cone seat 6 is sleeved on the insulating sheath of submarine optical fiber cable 17;
(4)In order by gasket 11, sealing ring 12, gasket 11 is fitted into one in four hollow cylinders of shell 2, will The insulating sheath of submarine optical fiber cable 17 passes through gasket 11 up to enclosure interior to appropriate location;
(5)Cone seat 6 is screwed on cylinder and is tightened;7 large round end surface of inner cone is adjacent to cone seat, by the armouring of submarine optical fiber cable 17 Steel wire is evenly spaced in 7 surface of inner cone;
(6)Outer cone 8 is placed on to the outside of 17 armouring wire of submarine optical fiber cable, is fixed outer cone 8 and cone seat 6 tightly using bolt;
(7)Land cable clamp 9 is sleeved on land optical cable 16, in order by gasket 11, sealing ring 12, the loading shell of gasket 11 One in 2 four hollow cylinders in remaining three, land optical cable 16 is passed through into gasket 11 until enclosure interior arrives Appropriate location;
(8)Land cable clamp 9 is screwed on cylinder and is tightened;Intermediate plate 10 and land cable clamp 9 are connected and fixed with bolt, make it Clamp land cable 16;
(9)Long bolt 4 is screwed into 2 bottom of shell, is put into fibre melting disc 5;The land optical cable 16 and submarine optical fiber cable that will be handled well 17 fused fiber splice, neat disk enters in fibre melting disc 5, and fixes;
(10)O-ring seals 3 are sleeved on the step of plug 14, are put into 2 remaining hollow circuit cylinder body of shell, O shapes are close Plug cover board is selected on hollow cylinder and tightens in inside by seal 3;
(11)O-ring seals 3 are put into the annular groove of cover board 1, plane upward, is covered on shell 2, by 2 He of shell Cover board 1 is tightened with bolt.
The design of tapered fixture of the present invention can effectively clamp armouring wire, make submarine optical fiber cable in the feelings by violent pulling force Do not deviate under condition, it is not broken;Land cable clamp is combined with intermediate plate is capable of providing clamping force, makes land optical cable in the drawing of moment big numerical value It is not drawn out under power;Sealing structure can effective protection internal connection, ensure not intake within the 10m depth of waters;Shell four connects It mouthful can freely convert, can be with one-in-and-one-out, it can also be one into having more, it can also Two In and Two Out;The structure is mainly used for seabed The connection of optical cable and land bottom optical cable, while being also suitable the connection with other Water line optic cables and land optical cable.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the technical essence of the invention To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.

Claims (8)

1. a kind of submarine optical fiber cable and land optical cable connecting device, it is characterised in that:Including cover board (1), shell (2), long bolt (4), the one side of fibre melting disc (5), cone seat (6) and land cable clamp (9), the cover board (1) is plane, and another side is circle with center Point is equipped with circular recessed region and ring groove, while being uniformly distributed screw-threaded counterbore, the shell (2) in the surrounding of cover board (1) Shape matches with the cover board (1), and the open end of the shell (2) is equipped with annulus side, and in the cylinder of shell (2) equipped with more Root hollow cylinder a, wherein hollow cylinder is fixedly connected with submarine optical fiber cable (17), the seabed by cone seat (6) Inner cone (7) and outer cone (8) are additionally provided between optical cable (17) and the cone seat (6), wherein another hollow cylinder is logical Land cable clamp (9) is crossed to be fixedly connected with land optical cable (16);It is additionally provided with several fibre melting discs (5), the molten fibre in the shell (2) Disk (5) is fixed by long bolt (4);
It is additionally provided with intermediate plate (10) between the land cable clamp (9) and the land optical cable (16);On the cylinder of the shell (2) Remaining hollow cylinder outer end is equipped with plug (14) and plug cover board (15).
2. a kind of submarine optical fiber cable according to claim 1 and land optical cable connecting device, it is characterised in that:The cover board (1) it is bolted with the shell (2), the cover board (1) and the joint of the shell (2) are equipped with O-ring seal (3)。
3. a kind of submarine optical fiber cable according to claim 1 and land optical cable connecting device, it is characterised in that:The cone seat (6) hollow, coaxial inner cylinder and outer-hexagonal column structure are used, and inner cylinder side is equipped with equally distributed screw thread Hole.
4. a kind of submarine optical fiber cable according to claim 1 and land optical cable connecting device, it is characterised in that:The inner cone (7) it is hollow taper structure, and is arranged on the inside of the outer cone (8), and the miner diameter end of the pyramidal structure is located remotely from shell one Side.
5. a kind of submarine optical fiber cable according to claim 1 and land optical cable connecting device, it is characterised in that:The outer cone (8) it is made of the cylinder of two coaxial different radiis, there is threaded hole respectively in big cylinder side.
6. a kind of submarine optical fiber cable according to claim 1 and land optical cable connecting device, it is characterised in that:The cone seat (6) it is equipped with the joint of submarine optical fiber cable (17) and the land cable clamp (9) and the junction of the land optical cable (16) Gasket (11) and sealing ring (12).
7. a kind of submarine optical fiber cable according to claim 1 and land optical cable connecting device, it is characterised in that:The hollow circle Cylinder quantity is at least four.
8. the connection method of a kind of submarine optical fiber cable and land optical cable connecting device according to claim 1-7 any one, It is characterized in that:Include the following steps:
(1) 1.5-2 meters of deep holes are dug in the connection place for determining submarine optical fiber cable and land optical cable first;
(2) submarine optical fiber cable and land optical cable are drawn in the hole of dug 1.5-2 rice depths, the cable within 2 meters away from end need into Row alignment, then handles the end of submarine optical fiber cable and land optical cable well;
It (3),, will in armouring wire by inner conical drogue outside the insulating sheath of submarine optical fiber cable by external conical sleeve in submarine optical fiber cable outermost layer Cone seat is sleeved on the insulating sheath of submarine optical fiber cable;
(4) in order by gasket, sealing ring, gasket is fitted into one in multiple hollow cylinders of shell, by submarine optical fiber cable Insulating sheath passes through gasket up to the appropriate location of enclosure interior;
(5) cone seat is screwed on hollow cylinder and is tightened, inner cone large round end surface is adjacent to cone seat, by the armouring wire of submarine optical fiber cable It is evenly spaced in interior poppet surface;
(6) outer cone is placed on to the outside of submarine optical fiber cable armouring wire, is fixed outer cone and cone seat tightly using bolt;
(7) land cable clamp is sleeved on the optical cable of land, in order by gasket, sealing ring, multiple hollow circles of gasket loading shell Remaining one in cylinder, pass through gasket up to the appropriate location of enclosure interior on land optical cable;
(8) land cable clamp is screwed in step (7) and is tightened on a remaining hollow cylinder in multiple hollow cylinders, is used in combination Intermediate plate and land cable clamp are connected and fixed by bolt, it is made to clamp land optical cable;
(9) long bolt is screwed into housing bottom, is put into fibre melting disc;
(10) by the fused fiber splice of the land optical cable and submarine optical fiber cable handled well, neat disk enters in fibre melting disc, and fixes;
(11) O-ring seals are sleeved on the step of plug, are put into the remaining hollow circuit cylinder body of shell, including O-ring seals Plug cover board is screwed on the remaining hollow cylinder and is tightened by side;
(12) O-ring seals are put into the annular groove of cover board, plane upward, is covered on shell, by shell and cover board spiral shell Bolt is tightened.
CN201610159657.1A 2016-03-21 2016-03-21 A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof Active CN105629412B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108429224A (en) * 2018-04-11 2018-08-21 江苏中天科技电缆附件有限公司 A kind of novel extra large land cable crossover sub
CN109471229A (en) * 2018-05-03 2019-03-15 国网浙江省电力公司衢州供电公司 A kind of reinforced optical cable and its underground laying method
CN110761728B (en) * 2018-07-26 2021-09-28 中国石油天然气股份有限公司 Anti-moving structure and logging instrument with same

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CN1790078A (en) * 2005-12-27 2006-06-21 江苏中天科技股份有限公司 Seabed optical cable branch joint box and connection process thereof
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Effective date of registration: 20190425

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