CN203563086U - Access structure of EPON based on triple play - Google Patents
Access structure of EPON based on triple play Download PDFInfo
- Publication number
- CN203563086U CN203563086U CN201320719978.4U CN201320719978U CN203563086U CN 203563086 U CN203563086 U CN 203563086U CN 201320719978 U CN201320719978 U CN 201320719978U CN 203563086 U CN203563086 U CN 203563086U
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- optical
- epon
- distributor
- eoc
- headend
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Abstract
The utility model discloses an access structure of an EPON based on triple play. The access structure of the EPON comprises an optical line terminal (OLT), an optical splitter and an optical network unit (OUN), the optical splitter is connected with the optical network unit (OUN) and the optical line terminal (OLT) via EPON optical fibers, the optical network unit (OUN) is connected with EOC head-end equipment via a twisted pair, the EOC head-end equipment is connected with EOC terminal equipment via a coaxial cable, the EOC head-end equipment is connected with a distributor via the coaxial cable, and the distributor is connected with front-end equipment via CATV optical fibers. The access structure of the EPON is advantageous in that a data two-way transmission channel is provided, bearing business is various, the data transmission quality is high, the security is good, and the access structure can conveniently improve the application of a third party.
Description
Technical field
The utility model relates to the access infrastructure of EPON, relates in particular the access infrastructure of a kind of EPON based on unification of three nets.
Background technology
Unification of three nets refers to that telecommunications network, broadcasting and television network and the Internet are in broadband communication network, digital tv network, Next Generation Internet evolution process, three macroreticulars are by technological transformation, its technical functionality reaches unanimity, the scope of business reaches unanimity, network interconnection intercommunication, resource-sharing, can provide for user the many services such as voice, data and radio and television.The development of unification of three nets in recent years and utilization have become a large focus.In order to catch up with growing the Internet traffic, Virtual network operator has been transformed optical fiber and optical transmission device.In the use of network, the transmission of the network information, the program request of business, network security are the problems that people extremely pay close attention to.
Utility model content
The utility model provides the access infrastructure of a kind of EPON based on unification of three nets, and it provides data double-way transmission channel, and the business that can carry is many, and data transmission quality is high, and fail safe is good, can improve easily application for third party.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
The access infrastructure of EPON based on unification of three nets, it comprises optical line terminal OLT, optical splitter and optical network device OUN, described optical splitter is connected with optical line terminal OLT with optical network device OUN by EPON optical fiber, described optical network device OUN by twisted pair line connection on EOC headend, described EOC headend is connected with EOC terminal equipment by coaxial cable, described EOC headend is connected with distributor by coaxial cable, and described distributor is connected with headend equipment by CATV optical fiber.
Further technical scheme is:
As preferably, described headend equipment comprises general headend equipment and multiple sub-headend equipment.
Further, described general headend equipment and sub-headend equipment makeup ring l network.
As preferably, described optical splitter is 1:16 optical splitter.
As preferably, described distributor comprises the first distributor and the second distributor, and the first described distributor is connected on EOC headend.
Compared with prior art, the beneficial effects of the utility model are:
1, syndeton of the present utility model is simple.
2, the utility model can provide data double-way transmission channel, and the business that can carry is many, and data transmission quality is high, and fail safe is good, can improve easily application for third party, meets the demand of unification of three nets.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structure chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Execution mode of the present utility model includes but not limited to the following example.
[embodiment]
The access infrastructure of the EPON based on unification of three nets as shown in Figure 1, it comprises optical line terminal OLT, optical splitter and optical network device OUN, described optical splitter is connected with optical line terminal OLT with optical network device OUN by EPON optical fiber, described optical network device OUN by twisted pair line connection on EOC headend, described EOC headend is connected with EOC terminal equipment by coaxial cable, described EOC headend is connected with distributor by coaxial cable, and described distributor is connected with headend equipment by CATV optical fiber.
In the utility model, general headend equipment is directly connected with CATV center by coaxial cable, and optical line terminal OLT is connected with various servers by EPON optical fiber, to provide miscellaneous service to user.EOC terminal equipment connects subscriber equipment, such as PC, TV etc.EOC terminal equipment, EOC headend, OUN, optical splitter are Access Layer, and optical line terminal OLT, headend equipment are convergence-level.Access Layer adopts EPON+EOC access module, and it has high access bandwidth, good service supporting capacity, build cost and operating cost is low, and security performance is good, meets the demand of unification of three nets.Optical line terminal OLT has larger extending space, can meet user's amplification, meets the expansion demand of value-added service.
In order to make transfer of data more effectively with more stable, adopt two-stage transmission means, described headend equipment comprises general headend equipment and multiple sub-headend equipment.
Described general headend equipment and sub-headend equipment makeup ring l network.By general headend equipment and sub-headend equipment makeup ring l network, can effectively strengthen the fail safe of signal transmission.
In order to improve Output optical power, described optical splitter is 1:16 optical splitter.Adopt 1:16 optical splitter can effectively improve the Output optical power of light.
In order to make Access Layer have multiple access module, described distributor comprises the first distributor and the second distributor, and the first described distributor is connected on EOC headend.Now, the second distributor can be directly connected in user's TV, and composition EPON+LAN access module, adapts to different districts.
Be as mentioned above embodiment of the present utility model.The utility model is not limited to above-mentioned execution mode, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection range of the present utility model.
Claims (5)
1. the access infrastructure of the EPON based on unification of three nets, it is characterized in that: it comprises optical line terminal OLT, optical splitter and optical network device OUN, described optical splitter is connected with optical line terminal OLT with optical network device OUN by EPON optical fiber, described optical network device OUN by twisted pair line connection on EOC headend, described EOC headend is connected with EOC terminal equipment by coaxial cable, described EOC headend is connected with distributor by coaxial cable, and described distributor is connected with headend equipment by CATV optical fiber.
2. the access infrastructure of the EPON based on unification of three nets according to claim 1, is characterized in that: described headend equipment comprises general headend equipment and multiple sub-headend equipment.
3. the access infrastructure of the EPON based on unification of three nets according to claim 2, is characterized in that: described general headend equipment and sub-headend equipment makeup ring l network.
4. the access infrastructure of the EPON based on unification of three nets according to claim 1, is characterized in that: described optical splitter is 1:16 optical splitter.
5. the access infrastructure of the EPON based on unification of three nets according to claim 1, is characterized in that: described distributor comprises the first distributor and the second distributor, and the first described distributor is connected on EOC headend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719978.4U CN203563086U (en) | 2013-11-15 | 2013-11-15 | Access structure of EPON based on triple play |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719978.4U CN203563086U (en) | 2013-11-15 | 2013-11-15 | Access structure of EPON based on triple play |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203563086U true CN203563086U (en) | 2014-04-23 |
Family
ID=50512779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320719978.4U Expired - Fee Related CN203563086U (en) | 2013-11-15 | 2013-11-15 | Access structure of EPON based on triple play |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203563086U (en) |
-
2013
- 2013-11-15 CN CN201320719978.4U patent/CN203563086U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |