CN105353480A - Optical fiber splitting box for multi-splitter configuration and optical fiber running method - Google Patents
Optical fiber splitting box for multi-splitter configuration and optical fiber running method Download PDFInfo
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- CN105353480A CN105353480A CN201510851995.7A CN201510851995A CN105353480A CN 105353480 A CN105353480 A CN 105353480A CN 201510851995 A CN201510851995 A CN 201510851995A CN 105353480 A CN105353480 A CN 105353480A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 111
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 230000009191 jumping Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4454—Cassettes with splices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4431—Protective covering with provision in the protective covering, e.g. weak line, for gaining access to one or more fibres, e.g. for branching or tapping
-
- 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
- G02B6/4471—Terminating devices ; Cable clamps
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides an optical fiber splitting box for multi-splitter configuration. The optical fiber splitting box comprises a top cover plate, a rear plate, a bottom plate, a mounting support, a side cover plate and a front baffle; a 1*2 primary optical splitter is detachably arranged on the rear side of the middle part of the bottom plate of the box body; two 1*n secondary optical splitters are arranged at the middle part of the rear plate of the box body, and n is half of the number of fiber outcoming paths of a fiber outcoming adapter. The invention further provides an optical fiber running method for the optical fiber splitting box for multi-splitter configuration. The optical fiber splitting box can compatibly provide 1*n and 1*2n optical splitting functions without changing the box body.
Description
Technical field
The present invention relates to the communications field, more particularly relate to the optical fibre light splitting device in optical communication transmission network network and implementation method.
Background technology
In FTTH(fiber to the home) in network, be connected with light shunt/combiner the optical fiber link realizing point to multi--point by passive optical cable between local side apparatus and ustomer premises access equipment to distribute, in network, any Nodes carrying out light shunt that needs all needs to arrange optical fibre light splitting device (case).Existing optical fibre light splitting case designs based on single splitting ratio, the optical branching device of a fixing splitting ratio can only be configured at box house, its splitting ratio is fixed, generally there is the optical fiber distributing box of several light splitting ratio such as 1 × 16,1 × 32,1 × 64,1 × 144, can not according to the actual way configuration light splitting ratio of rear end light path.Such as, network size is generally little in the starting stage, can meet user's needs with a little splitting ratio (as 1 × 32).After the network user increases, user side light path originally may not be much of that, and former optical fibre light splitting case can not meet the demands, and must reconfigure the optical fibre light splitting case (as 1 × 64) that has large light splitting optical path.Equipment cost can be caused like this to increase and the wasting of resources, and the installation allotment of the dismounting on the line of second hand cases body and new casing also can cause the increase of manpower and time cost.
Summary of the invention
The present invention's technical matters first to be solved is to provide a kind of optical fibre light splitting case of many splitter configuration, can not need to transform casing, and compatibility provides the light function along separate routes of 1 × n and 1 × 2n, two kinds of ratios.For this reason, the present invention is by the following technical solutions:
An optical fibre light splitting case for many splitter configuration, is characterized in that, described optical fibre light splitting case comprises lamina tecti, rear plate, base plate, mounting bracket, side cover plate and front apron;
Described optical fibre light splitting case is also provided with fiber adapter;
The base plate of described casing is installed with the first order fiber adapter of 1 × 1 in the middle part of its first side, for connecting incoming fibers; Rear side in the middle part of described base plate is installed with first fixed structure, and for removably installing the first order optical branching device of 1 × 2, described first side is this side that incoming fibers enters optical fibre light splitting case;
The middle part at the middle part of the lamina tecti of described casing is provided with second fixed sturcture, for detachably installing the second level fiber adapter of two 2 × 2;
The middle part of the rear plate of described casing is provided with the second level optical branching device of a 1 × n, and described n is the half of the total way of fiber of described fiber adapter;
Described base plate arranges first at the rear side of its second side and crosses fine parts, for importing to from the fiber of second level optical branching device on base plate to be connected to fiber adapter, described second side be on the left of casing and right side in wherein side, described first side be on the left of casing and right side in opposite side;
Described base plate is between fiber adapter and the rear side of base plate and in the first space crossing between fine parts to first order fiber adapter, arrange second cross fine parts group, and described second crosses fine parts group is used for arranging fiber optic coils to the first optical fiber crossed between fine parts and fiber adapter;
Described rear plate arranges the 3rd fine parts of mistake and the 4th outward respectively at the left and right sides of the second level optical branching device of two folded 1 × n established and crosses fine parts;
Described lamina tecti arranges the 5th fine parts group of mistake and the 6th respectively at the left and right sides of the second fixed sturcture and crosses fine parts group, described 5th crosses fine parts group is used for arranging coil to the optical fiber between first order optical branching device and second level fiber adapter, and the described 6th crosses fine parts group is used for arranging coil to the optical fiber between second level fiber adapter and second level optical branching device or arranging coil to the optical fiber between first order fiber adapter and second level optical branching device.
Further, first fixed structure is the first draw-in groove, and the first order optical branching device of described 1 × 2 is removably mounted on the first draw-in groove.
Further, the removable mounting plate in middle part of described rear plate, described second level optical branching device is fixed in described installing plate.
Further, the fine parts group of described second mistake has the fine parts of multipair mistake along the arrangement of fiber Adapter Length direction.
Further, outside enters fibre and accesses after mounting bracket, and mounting bracket posterior medial is provided with naked fine protective sleeve device; Realizing the fine fiber adapter port by being arranged on pan front of the output panel along separate routes to draw, arranging button through fiber and being connected with the optical fiber link of rear end.
What another technical matters to be solved of the present invention was to provide a kind of optical fibre light splitting case of many splitter configuration walks method for fiber.For this reason, the present invention is by the following technical solutions:
The optical fibre light splitting case of many splitter configuration walk a method for fiber, it supports the first to walk fine circuit and the second walks fine circuit, and wherein one can be selected arbitrarily above-mentioned optical fibre light splitting case to walk fine circuit;
The first walks fine circuit: enter fine jumping fiber from rear flank portion through naked fibre protecting device access casing first order adapter; the jumping fiber of first order adapter output terminal is crossed after the coiling of line parts through the 6th of lamina tecti top and is directly connected to second level optical branching device input end; second level optical branching device output terminal jumping fiber is crossed first on fine parts and base plate by the 3rd on rear plate and is crossed after fine parts arrange, and crosses through second in the middle part of base plate the corresponding port being connected to fiber adapter after fine parts group circular coiling successively.
The second walks fine circuit: enter fine jumping fiber from rear flank portion through naked fibre protecting device access first order adapter, first order adapter output terminal jumping fiber is connected to first order optical branching device input end, first order optical branching device exports fibre and crosses through the 5th on homonymy lamina tecti the second level adapter port being connected to the homonymy be positioned on lamina tecti after the coiling of fine parts, second level adapter exports jumping fiber and crosses after the coiling of fine parts through the 6th on homonymy lamina tecti, cross fine parts through the 4th of plate homonymy later again to arrange, be connected to two second level optical branching device input ports, the output jumping fiber of two second level optical branching devices is crossed first on fine parts and base plate by the 3rd of rear plate homonymy and is crossed after fine parts arrange, the corresponding port being connected to fiber adapter after fine parts group circular coiling is successively crossed through second in the middle part of base plate.
Owing to adopting technical scheme of the present invention, the present invention has following technique effect:
1, present invention achieves and do not need to transform the light function along separate routes that casing and compatibility provide 1 × n and 1 × 2n, two kinds of ratios.
2, unique cabling design, the layout of the parts that the Fiber connection being convenient to box house is correlated with, can meet the light function along separate routes of 1 × n and 1 × 2n, two kinds of ratios, and connect fast, dilatation operation is convenient.
3, settled by the selectivity of the secondary light shunt of employing one 1 × 2 and two 1 × n and pass through the rational deployment in casing, make full use of lamina tecti, rear plate arranges the parts relevant with Fiber connection with the position characteristics of base plate, can not need to transform casing, compatibility provides the light function along separate routes of 1 × n and 1 × 2n, two kinds of ratios, and ensure that optical fiber cabling safe and reasonable, make the radius-of-curvature of fibre-optical bending meet standard-required.
4, to the light of 1 × n and 1 × 2n, two kinds of ratios, function between the two can conversion modalities mutually rapidly along separate routes in the present invention, its flexible configuration, easy to operate, the needs (only need add limited device can convert 1 × 2n to from 1 × n) of the network capacity extension can be met fast, also for Virtual network operator has saved cost.
Accompanying drawing explanation
Fig. 1 is the inner structure schematic diagram of embodiment provided by the present invention.
Fig. 2 is the schematic diagram of embodiment provided by the present invention.
Fig. 3 is that embodiment provided by the present invention walks fine schematic diagram when 1 × 2n capacity.
Fig. 4 is that embodiment provided by the present invention walks fine schematic diagram when 1 × n capacity.
Embodiment
With reference to accompanying drawing.The optical fibre light splitting case of many splitter configuration provided by the present invention, comprise lamina tecti 1, rear plate 2, base plate 3, mounting bracket 4, side cover plate 5 and front apron 6, roof box 1 is fixedly connected with rear plate 2, rear plate 2 and base plate 3 hinged, side cover plate 5 is the fixed head in casing, when lamina tecti covers, itself and lamina tecti form the top of optical fibre light splitting case jointly.And be only need open lamina tecti keeping in repair and carrying out fiber optic joining operation, parts relevant with Fiber connection on the base plate in optical fibre light splitting case are all under lamina tecti 1.
Described optical fibre light splitting case is also provided with fiber adapter 11.
The base plate 3 of described casing is installed with the first order fiber adapter 12 of 1 × 1 in the middle part of its first side, for connecting incoming fibers; Rear side in the middle part of described base plate 3 is installed with first fixed structure 31, and for removably installing the first order optical branching device 13 of 1 × 2, described first side is this side that incoming fibers enters optical fibre light splitting case.
The middle part at the middle part of the lamina tecti 1 of described casing is provided with second fixed sturcture 32, for detachably installing the second level fiber adapter 14 of 2 × 2.
The middle part of the rear plate 2 of described casing is provided with the second level optical branching device 15 of two folded 1 × n established, and described n is the half of the total way of fiber of described fiber adapter 11.
Described base plate arranges first at the rear side of the second side and crosses fine parts 41, for importing to from the fiber of second level optical branching device 15 on base plate to be connected to fiber adapter, described second side be on the left of casing and right side in wherein side, described first side be on the left of casing and right side in opposite side.
Described base plate is between fiber adapter 11 and the rear side of base plate and in the first space crossing between fine parts to first order fiber adapter 12, arrange second cross fine parts group 42, and described second crosses fine parts group is used for arranging fiber optic coils 51 to the first optical fiber crossed between fine parts 41 and fiber adapter 11; Described second crosses fine parts group the fine parts of multipair mistake arranged along fiber Adapter Length direction.
Described rear plate arranges the 3rd fine parts 43 of mistake and the 4th outward respectively at the left and right sides of the second level optical branching device 15 of 1 × n and crosses fine parts 44.
Described lamina tecti 1 arranges the 5th fine parts group 45 of mistake and the 6th respectively at the left and right sides of the second fixed sturcture 32 and crosses fine parts group 46, described 5th crosses fine parts group 45 for arranging coil 52 to the optical fiber between first order optical branching device 13 and second level fiber adapter 14, and the described 6th crosses fine parts group 46 for arranging coil to the optical fiber between second level fiber adapter 14 and second level optical branching device 15 or arranging coil 53 to the optical fiber between first order fiber adapter 12 and second level optical branching device 15.
Described optical fibre light splitting case is provided with the 7th and crosses fine parts group 47 before first order adapter, for arranging coil 54 to optical fiber before first order adapter.
The fine parts of described mistake can adopt the fibre of crossing of opening to enclose.In the present invention, base plate was provided with fine circle for coiling case inner fiber cabling.Wherein, an output port place (namely first crossing fine parts 41) be positioned near second level optical branching device, other six in three groups, often organize 2 one in front and one in back proper alignment in the soleplate between (second fine parts group 42).
The top of lamina tecti of the present invention is installed eight and is crossed fine circle (namely the 5th cross fine parts group 45 and the 6th cross fine parts group 46), in the middle part of being positioned over rectangle configuration; Rear plate both sides have been installed a circular fibre of crossing respectively and have been enclosed (the 3rd crosses fine parts 43 and the 4th crosses fine parts 44).
These putting positions crossing fine circle can ensure optical fiber cabling safe and reasonable, make the radius-of-curvature of fibre-optical bending meet standard-required.
Described first fixed structure 31 can adopt the first draw-in groove, it is formed by the clamp 31 that is connected with bottom plate screw and base plate, make the first order optical branching device 13 of described 1 × 2 be removably mounted in draw-in groove, the profile variation of Fast Installation and adaptation first order optical branching device 13 can be realized.
The removable mounting plate 33 in middle part of described rear plate 2, described second level optical branching device 15 is fixed in described installing plate.
Outside enters fine from mounting bracket 4 access below, and mounting bracket 4 posterior medial is provided with naked fine protective sleeve device 7; Realizing fine fiber adapter 11 port by being arranged on pan front of the output panel along separate routes to draw, arranging button 8 through fiber and being connected with the optical fiber link of rear end.
Below for n=32 introduce of the present invention walk method for fiber, it has two kinds and walks fine circuit:
The first realizes 1 × 32 optical fiber distributing box.In this case only need with the second level optical branching device 15 of 1 × 32, first order optical branching device 13 does not need configuration.Its cabling route is as shown in Figure 4: enter fine jumping fiber from rear flank portion through naked fibre protecting device access casing first order adapter 12, the jumping fiber (1 × 32 input disc is fine) of first order adapter 12 output terminal is directly connected to second level optical branching device 15 input end of 1 × 32 after the 6th mistake line parts 46 on lamina tecti top coil, second level optical branching device 15 output terminal jumping fiber (1 × 32 output panel is fine) has 32 tunnels, after crossing the arrangement of fine parts 41 by first on the 3rd fine parts 43 of mistake on rear plate and base plate, be divided into three groups, the corresponding port of fiber adapter 11 is connected to successively after crossing fine parts group 42 circular coiling respectively through second in the middle part of base plate.
The second realizes 1 × 64 optical fiber distributing box.In this case need the first order optical branching device 13 of configuration one 1 × 2 and the second level optical branching device 15 of two 1 × 32, connect in cascade system.Its cabling route is as shown in Figure 3: enter fine jumping fiber from rear flank portion through naked fibre protecting device access first order adapter 12, first order adapter 12 output terminal jumping fiber (1 × 2 input is fine) is connected to first order optical branching device 13 input end of 1 × 2, the first order optical branching device 13 of 1 × 2 exports fibre (1 × 2 output panel is fine) and crosses through the 5th on homonymy lamina tecti second level adapter 14 port being connected to the homonymy be positioned on lamina tecti after fine parts 45 coil, second level adapter 14 exports jumping fiber (2 1 × 32 input discs are fine) and crosses after the coiling of fine parts 46 through the 6th on homonymy lamina tecti, cross fine parts 44 through the 4th of plate homonymy later again to arrange, be connected to second level optical branching device 15 input port of two 1 × 32, the output jumping fiber of the second level optical branching device 15 of two 1 × 32 (1 × 32 output panel fine two groups totally 64 articles of light paths) is crossed first of fine parts 43 and floor rear portion by the 3rd of rear plate homonymy and is crossed after fine parts 41 arrange, be divided into three groups, the corresponding port of fiber adapter 11 is connected to successively after crossing fine parts group 42 circular coiling respectively through second in the middle part of base plate.
The second configuration only needs on the basis of the first, install 1 × 2 optical branching device, the second level optical branching device of a 1 × n and the second level fiber adapter of 2 × 2 again, in same body structure, two kinds of configurations can conversion modalities mutually rapidly, namely facilitate dilatation, again save cost.
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among protection scope of the present invention.
Claims (7)
1. an optical fibre light splitting case for splitter configuration more than, is characterized in that, described optical fibre light splitting case comprises lamina tecti, rear plate, base plate, mounting bracket, side cover plate and front apron;
Described optical fibre light splitting case is also provided with fiber adapter;
The base plate of described casing is installed with the first order fiber adapter of 1 × 1 in the middle part of its first side, for connecting incoming fibers; Rear side in the middle part of described base plate is installed with first fixed structure, and for removably installing the first order optical branching device of 1 × 2, described first side is this side that incoming fibers enters optical fibre light splitting case;
The middle part at the middle part of the lamina tecti of described casing is provided with second fixed sturcture, for detachably installing the second level fiber adapter of 2 × 2;
The middle part of the rear plate of described casing is detachably provided with the second level optical branching device of two folded 1 × n established, and described n is the half of the total way of fiber of described fiber adapter;
Described base plate arranges first at the rear side of its second side and crosses fine parts, for importing to from the fiber of second level optical branching device on base plate to be connected to fiber adapter, described second side be on the left of casing and right side in wherein side, described first side be on the left of casing and right side in opposite side;
Described base plate is between fiber adapter and the rear side of base plate and in the first space crossing between fine parts to first order fiber adapter, arrange second cross fine parts group, and described second crosses fine parts group is used for arranging fiber optic coils to the first optical fiber crossed between fine parts and fiber adapter;
Described rear plate arranges the 3rd fine parts of mistake and the 4th outward respectively at the left and right sides of the second level optical branching device of two 1 × n and crosses fine parts;
Described lamina tecti arranges the 5th fine parts group of mistake and the 6th respectively at the left and right sides of the second fixed sturcture and crosses fine parts group, described 5th crosses fine parts group is used for arranging coil to the optical fiber between first order optical branching device and second level fiber adapter, and the described 6th crosses fine parts group is used for arranging coil to the optical fiber between second level fiber adapter and second level optical branching device or arranging coil to the optical fiber between first order fiber adapter and second level optical branching device.
2. the optical fibre light splitting case of a kind of many splitter configuration as claimed in claim 1, is characterized in that, first fixed structure is the first draw-in groove, and the first order optical branching device of described 1 × 2 is removably mounted on the first draw-in groove.
3. the optical fibre light splitting case of a kind of many splitter configuration as claimed in claim 1, is characterized in that, the removable mounting plate in middle part of described rear plate, described second level optical branching device is fixed in described installing plate.
4. the optical fibre light splitting case of a kind of many splitter configuration as claimed in claim 1, is characterized in that, described second crosses fine parts group the fine parts of multipair mistake arranged along fiber Adapter Length direction.
5. the optical fibre light splitting case of a kind of many splitter configuration as claimed in claim 1, is characterized in that, outside enters fibre and accesses after mounting bracket, and mounting bracket posterior medial is provided with naked fine protective sleeve device; Realizing the fine fiber adapter port by being arranged on pan front of the output panel along separate routes to draw, arranging button through fiber and being connected with the optical fiber link of rear end.
6. the optical fibre light splitting case of splitter configuration more than walk a method for fiber, it is characterized in that it has the first and walks fine circuit or the second walks fine circuit;
The first walks fine circuit: enter fine jumping fiber from rear flank portion through naked fibre protecting device access casing first order adapter; the jumping fiber of first order adapter output terminal is crossed after the coiling of line parts through the 6th of lamina tecti top and is directly connected to second level optical branching device input end; second level optical branching device output terminal jumping fiber is crossed first on fine parts and base plate by the 3rd on rear plate and is crossed after fine parts arrange, and crosses through second in the middle part of base plate the corresponding port being connected to fiber adapter after fine parts group circular coiling successively.
7. the second walks fine circuit: enter fine jumping fiber from rear flank portion through naked fibre protecting device access first order adapter, first order adapter output terminal jumping fiber is connected to first order optical branching device input end, first order optical branching device exports fibre and crosses through the 5th on homonymy lamina tecti the second level adapter port being connected to the homonymy be positioned on lamina tecti after the coiling of fine parts, second level adapter exports jumping fiber and crosses after the coiling of fine parts through the 6th on homonymy lamina tecti, cross fine parts through the 4th of plate homonymy later again to arrange, be connected to two second level optical branching device input ports, the output jumping fiber of two second level optical branching devices is crossed first on fine parts and base plate by the 3rd of rear plate homonymy and is crossed after fine parts arrange, the corresponding port being connected to fiber adapter after fine parts group circular coiling is successively crossed through second in the middle part of base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510851995.7A CN105353480B (en) | 2015-11-30 | 2015-11-30 | A kind of optical fibre light splitting case of more splitter configurations and walk method for fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510851995.7A CN105353480B (en) | 2015-11-30 | 2015-11-30 | A kind of optical fibre light splitting case of more splitter configurations and walk method for fiber |
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| Publication Number | Publication Date |
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| CN105353480A true CN105353480A (en) | 2016-02-24 |
| CN105353480B CN105353480B (en) | 2019-03-01 |
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| CN201510851995.7A Active CN105353480B (en) | 2015-11-30 | 2015-11-30 | A kind of optical fibre light splitting case of more splitter configurations and walk method for fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108732696A (en) * | 2017-04-19 | 2018-11-02 | 余姚汇佳通信设备有限公司 | A kind of light separating device on optical cable connecting box |
| WO2022192973A1 (en) * | 2021-03-15 | 2022-09-22 | VICENTE, Luis Carlos | Optical fiber housing box |
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| CN108732696A (en) * | 2017-04-19 | 2018-11-02 | 余姚汇佳通信设备有限公司 | A kind of light separating device on optical cable connecting box |
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| WO2022192973A1 (en) * | 2021-03-15 | 2022-09-22 | VICENTE, Luis Carlos | Optical fiber housing box |
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| Publication number | Publication date |
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| CN105353480B (en) | 2019-03-01 |
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