CN202679384U - Passive optical network system - Google Patents
Passive optical network system Download PDFInfo
- Publication number
- CN202679384U CN202679384U CN 201220277842 CN201220277842U CN202679384U CN 202679384 U CN202679384 U CN 202679384U CN 201220277842 CN201220277842 CN 201220277842 CN 201220277842 U CN201220277842 U CN 201220277842U CN 202679384 U CN202679384 U CN 202679384U
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- China
- Prior art keywords
- optical
- wavelength division
- division multiplexer
- passive optical
- passive
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- Expired - Fee Related
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- 230000003287 optical effect Effects 0.000 title claims abstract description 69
- 239000013307 optical fiber Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 206010042255 Struck by lightning Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a passive optical network system, comprising optical network units, wavelength division multiplexers A, an optical distribution network, a wavelength division multiplexer B, and an optical line terminal; wherein the optical distribution network comprises passive optical splitters; output ends of the optical network units are connected with input ends of the wavelength division multiplexers A through optical fibers, output ends of the wavelength division multiplexers A are connected with input ends of the passive optical splitters through optical fibers; an output end of the passive optical splitter is connected with an input end of the wavelength division multiplexer B through an optical fiber, and an output end of the wavelength division multiplexer B is connected with the optical line terminal through an optical fiber. All the optical fibers in the utility model are single-mode fibers, so that the passive optical network system of the utility model is a pure medium network without any active electronic equipment, thus the passive optical network system avoids electromagnetic interference of external equipment and influence of thunder and lightning, reduces failure rate of the line and the external equipment, raises reliability of the system, and simultaneously saves maintenance cost, and can meet the requirements of a telecommunication maintenance department.
Description
One, technical field:
The utility model relates to a kind of network system, particularly relates to a kind of passive optical network.
Two, background technology:
At present, in the optical communication technique field, the application of wireless optical network technology is more and more extensive.The wireless optical network is a kind of point-to-multipoint optical fiber access technology, and it is comprised of optical line terminal, Optical Distribution Network and light net unit, can satisfy the professional needs such as common voice, data and video.But along with the development of modern communication technology, traditional wireless optical network technology can not satisfy the growing requirement to the network high bandwidth.
Three, utility model content:
Technical problem to be solved in the utility model is: but provide a kind of Effective Raise optical network unit end subscriber to access the passive optical network in broadband.
The utility model is that the technical scheme that the technical solution problem is taked is:
A kind of passive optical network, comprise optical network unit, wavelength division multiplexer A, Optical Distribution Network, wavelength division multiplexer B and optical line terminal, described Optical Distribution Network comprises passive optical splitters, the output of described optical network unit is connected by the input of optical fiber with described wavelength division multiplexer A, the output of described wavelength division multiplexer A is connected with the input of described passive optical splitters by optical fiber, the output of described passive optical splitters is connected by the input of optical fiber with described wavelength division multiplexer B, and the output of described wavelength division multiplexer B is connected with described optical line terminal by optical fiber.
Be provided with broadband distribution on the described optical line terminal.
Described optical network unit is two or more.
Described optical fiber is monomode fiber.
Positive beneficial effect of the present utility model is as follows:
1, the utility model is the prefect dielectric network, without any active electronic equipment, has avoided electromagnetic interference and the effects of lightning of external equipment, reduced the failure rate of circuit and external equipment, improve the reliability of system, saved simultaneously maintenance cost, can satisfy the demand of telecommunications maintenance department.
2, the utility model can obviously improve optical fiber frequency and bandwidth availability ratio, the access broadband of Effective Raise optical network unit end subscriber owing to adopted the wavelength division multiplexer system.
3, the utility model is simple in structure, and the stability of a system is higher, and cost is convenient to operation and maintenance.
Four, description of drawings:
Fig. 1 is structural representation of the present utility model.
Five, embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
Referring to Fig. 1, among the figure, the unit module of each sequence number representative is: 1---optical network unit 1,2---optical network unit 2,3----optical network unit 3,4----optical network unit 1,5---first wave division multiplexer A, 6---Second Wave division multiplexer A, 7---the 3rd wavelength division multiplexer A module 3,8---the 4th wavelength division multiplexer A, 9---the second passive optical splitters, 10---the first passive optical splitters, 11---wavelength division multiplexer B, 12---optical line terminal.
Passive optical network comprises four optical network units, four wavelength division multiplexer A, Optical Distribution Network, with optical line terminal 12, described Optical Distribution Network comprises the first passive optical splitters 10 and the second passive optical splitters 9, the output of four optical network units is connected by the input of optical fiber with four wavelength division multiplexer A respectively, the output of four wavelength division multiplexer A is connected by the input of optical fiber with two passive optical splitters respectively, wherein, first wave division multiplexer A directly is connected with the first passive optical splitters 10 by optical fiber, and Second Wave division multiplexer A, the 3rd wavelength division multiplexer A and the 4th wavelength division multiplexer A are connected with the first passive optical splitters 10 by after optical fiber and the second passive optical splitters 9 again; The output of the first passive optical splitters 10 is connected by the input of optical fiber with described wavelength division multiplexer B11, and the output of wavelength division multiplexer B11 is connected with described optical line terminal 12 by optical fiber, is provided with broadband distribution at optical line terminal 12.
In the utility model, all optical fiber are monomode fiber, be the prefect dielectric network, without any active electronic equipment, avoid electromagnetic interference and the effects of lightning of external equipment, reduced the failure rate of circuit and external equipment, improved the reliability of system, save simultaneously maintenance cost, can satisfy the demand of telecommunications maintenance department.
Claims (4)
1. passive optical network, it is characterized in that: described passive optical network comprises optical network unit, wavelength division multiplexer A, Optical Distribution Network, wavelength division multiplexer B and optical line terminal, described Optical Distribution Network comprises passive optical splitters, the output of described optical network unit is connected by the input of optical fiber with described wavelength division multiplexer A, the output of described wavelength division multiplexer A is connected with the input of described passive optical splitters by optical fiber, the output of described passive optical splitters is connected by the input of optical fiber with described wavelength division multiplexer B, and the output of described wavelength division multiplexer B is connected with described optical line terminal by optical fiber.
2. passive optical network according to claim 1 is characterized in that: be provided with broadband distribution on the described optical line terminal.
3. passive optical network according to claim 2 is characterized in that: described optical network unit is two or more.
4. passive optical network according to claim 3, it is characterized in that: described optical fiber is monomode fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277842 CN202679384U (en) | 2012-06-13 | 2012-06-13 | Passive optical network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277842 CN202679384U (en) | 2012-06-13 | 2012-06-13 | Passive optical network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679384U true CN202679384U (en) | 2013-01-16 |
Family
ID=47500256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220277842 Expired - Fee Related CN202679384U (en) | 2012-06-13 | 2012-06-13 | Passive optical network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015009825A1 (en) * | 2013-07-16 | 2015-01-22 | Adc Telecommunications, Inc. | Distributed wave division multiplexing systems |
-
2012
- 2012-06-13 CN CN 201220277842 patent/CN202679384U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015009825A1 (en) * | 2013-07-16 | 2015-01-22 | Adc Telecommunications, Inc. | Distributed wave division multiplexing systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGZHOU HUALI INFORMATION TECHNOLOGY CO., LTD. H Effective date: 20130813 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: HENAN ELECTRIC POWER COMPANY ZHENGZHOU POWER SUPPLY BRANCH Effective date: 20130813 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 450006 ZHENGZHOU, HENAN PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130813 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Zhengzhou Huali Information Technology Co., Ltd. Patentee after: Henan Electric Power Company Zhengzhou Power Supply Branch Address before: 450006 Huaihe Road, Henan, China, No. 9, No. Patentee before: Henan Electric Power Company Zhengzhou Power Supply Branch |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20170613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |