CN202634634U - OLT device being adapted with electric light access network - Google Patents
OLT device being adapted with electric light access network Download PDFInfo
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- CN202634634U CN202634634U CN2012201647778U CN201220164777U CN202634634U CN 202634634 U CN202634634 U CN 202634634U CN 2012201647778 U CN2012201647778 U CN 2012201647778U CN 201220164777 U CN201220164777 U CN 201220164777U CN 202634634 U CN202634634 U CN 202634634U
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Abstract
The utility model provides an OLT (optical line terminal) device being adapted with an electric light access network, comprising an OLT module, a network management interface module, a service module and a switching module, wherein one end of the OLT module is connected with the service module; and the other end of the OLT module is connected with the network management interface module through the switching module. The OLT device utilizes a centralized adapted electric treatment mechanism to centralize the complicated service processing functions to the OLT device; the OLT module is provided with a specific service and management control distinction function; the service module can directly perform local processing for the original adapted electric service data, thus significantly reducing the cost and the power consumption of an EPON system; the centralized network management structure is realized, thus not only guaranteeing the network management function of the OLT, but also simplifying the OLT and reducing the cost; and the OLT device being adapted with an electric light access network has scalability and realizes consideration to the function and the cost.
Description
Technical field
The utility model relates to adapted electricity, optical communication PON (Positive Optical Network, passive optical-fiber network) field, specifically relates to a kind of OLT (Optical Line Terminal, the optical line terminal) equipment in the adapted electric light Access Network.
Background technology
The fast development of intelligence adapted power technology has proposed new demand to the adapted telecommunication; Along with adapted electric network access device quantity increases by geometric progression; Need to satisfy demands such as allotment is integrated, all standing, full collection, control in full, realize that finally power optical fiber is to the family.
Simultaneously, the PON technology is increasingly mature, has characteristics such as reliable and stable, real-time, that cost is low based on the adapted electric light access net system of PON, at intelligent adapted electrical domain great application prospect is arranged.The PON system is mainly by OLT and ONU (Optical Network Unit; Optical node) equipment constitutes through optical fiber link; Wherein OLT belongs to local side apparatus, be responsible for carrying out service interaction with ONU equipment, and realize to ONU inquiry, control and bookkeeping such as dispose, administer and maintain.
Existing OLT equipment can both support IP operation to insert and the traditional TDM business.But, cause current OLT equipment to be difficult to supporting the adapted electric industry to be engaged in efficiently because the adapted electrical domain in the electric power system has the particularity of himself and terminal access device quantity big.
201020142181.9 number utility model patent a kind of New O LT equipment is disclosed; Realize control and management through connecting outer computer to OLT equipment; The control and management capability of OLT equipment self has weakened; And do not possess the adapted electric industry affair processing capacity of stipulating in Q/GDW 376.1 agreements, be difficult to satisfy the functional requirement of adapted electricity.201010107663.5 number patent of invention method, equipment and the system of a kind of OLT proxy management ONU are disclosed; Though proposed by OLT management ONU; But do not possess the adapted electric industry affair processing capacity of stipulating in Q/GDW 376.1 agreements equally; And fail clearly webmaster and service detach, it is professional to be difficult to effectively protection, and the mode of OLT first line of a couplet business management system BMS has increased the communications burden of system simultaneously.Therefore this plan hard satisfies the functional requirement of adapted electricity.
The utility model content
The utility model is to the above-mentioned defective of prior art; A kind of OLT equipment of adapted electric light Access Network is provided; The complicated service processing capacity is focused on the OLT equipment, and realize reducing EPON (Ethernet Passive Optical Network by the centralized network tubular construction; Ethernet passive optical network) cost of system and power consumption have extensibility simultaneously.The OLT equipment of a kind of adapted electric light Access Network that the utility model provides comprises OLT module, network management interface module, business module and Switching Module;
Said OLT module one end is connected with said business module, and the other end is connected with said network management interface module through said Switching Module.
In first preferred embodiment of the utility model: said OLT equipment is 1U; The quantity of said OLT module is at least four, and each OLT module is respectively drawn a PON mouth, and said OLT module is connected with outside ONU through said PON mouth.
In second preferred embodiment of the utility model: said PON mouth is connected through optical splitter with said ONU; Said optical splitter connects 64 said ONU, is connected through optical fiber with said PON mouth.
In the 3rd preferred embodiment of the utility model: said OLT equipment comprises the network interface 1 of RJ-45 gigabit and the network interface 2 of RJ-45 100,000,000; Said network management interface module is connected with the NM server and the client of outside through connecting said network interface 1, said business module be connected with the outside service main website through being connected said network interface 2.
In the 4th preferred embodiment of the utility model: said NM server and client are connected through switch 1 with said network interface 1, and said professional main website is connected through switch 2 with said network interface 2; Said NM server and client and professional main website and said switch 1 or switch 2 are connected through netting twine.
In the 5th preferred embodiment of the utility model: said OLT module comprises Data Receiving unit, discrimination unit and data transmission unit;
Said Data Receiving unit receives OAM frame and traffic frame;
Said discrimination unit is distinguished OAM frame and traffic frame that said data reception module receives;
OAM frame and traffic frame that said data transmission unit is distinguished said discrimination unit send to said business module or network management interface module respectively.
In the 6th preferred embodiment of the utility model: said OLT module comprises that model comprises the OLT chip of PAS5201.
In the 7th preferred embodiment of the utility model: said network management interface module comprises that model is the chip of AT91SAM9G20B.
In the 8th preferred embodiment of the utility model: said business module comprises that model is the chip of P2020.
In the 9th preferred embodiment of the utility model: said Switching Module comprises that model is the chip of 88E6185.
In one or more embodiment of the utility model; A kind of OLT equipment that adopts centralized adapted electric treatment mechanism is provided; The complicated service processing capacity is focused on this OLT equipment; The OLT module possesses clear and definite business and distinguishes function with management control, and business module can directly carry out this locality to original adapted electric industry affair data to be handled, and makes the cost of EPON system and power consumption greatly reduce; And realize the centralized network tubular construction, both guaranteed the network management function of OLT, simplified OLT again and reduced cost, have extensibility, realized that function and cost take into account.
Description of drawings
The internal structure schematic diagram of a kind of OLT apparatus embodiments that Fig. 1 provides for the utility model;
A kind of OLT equipment that Fig. 2 provides for the utility model is applied in the sketch map of the embodiment one in the adapted electrical network EPON system.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
The internal structure schematic diagram of a kind of OLT apparatus embodiments that Fig. 1 provides for the utility model; This OLT equipment is 1U; Can know by Fig. 1; A kind of OLT equipment that the utility model provides comprises OLT module, network management interface module, business module and Switching Module, and OLT module one end is connected with business module, and the other end is connected with the network management interface module through Switching Module.
The quantity of OLT module is at least four, and what Fig. 1 provided is the sketch map that comprises the embodiment of four OLT modules in the OLT equipment, and each OLT module is drawn a PON mouth, and the OLT module is connected with outside ONU through the PON mouth.
A kind of OLT equipment that the utility model provides adopts centralized adapted electric treatment mechanism; Concrete; Adopt the system architecture of " simplifying the centralized OLT of ONU-"; The OLT module comprises Data Receiving unit, discrimination unit and data transmission unit, and the Data Receiving unit receives OAM (Operation Administration and Maintenance, Operations,Administration And Maintenance) frame and traffic frame from ONU from the PON mouth; Discrimination unit is distinguished this OAM frame and traffic frame according to the target MAC (Media Access Control) address of frame and the flag bit of OAM frame head; Data transmission unit passes to the network management interface module with the OAM frame of distinguishing and handles, and traffic frame passes to business module and handles.The complicated service processing capacity is focused on the OLT module, reduce the cost and the power consumption of EPON system, guaranteed the handling property that system is engaged in to the adapted electric industry simultaneously.
Further, OLT equipment also comprises two RJ-45 network interfaces: network interface 1 and network interface 2.
Network interface 1 is the gigabit network interface, and the network management interface module is connected with outside NM server and client through connecting network interface 1; Network interface 2 is a 100-M network Ethernet, and business module is connected with the outside service main website through connecting network interface 2.
A kind of OLT equipment that the utility model provides adopts centralized network management framework; Concrete, the network management interface module in the OLT equipment is connected with the OLT module through Switching Module, controls and manage the user interface of all PON mouth, ONU and access; On the other hand; The network management interface module is connected with outside first line of a couplet NM server and client through network interface 1, and wherein, the network management interface module is mutual through OAM agreement and OLT module; The network management interface module is mutual with outside first line of a couplet NM server and client through SNMP (Simple Network Management Protocol, Simple Network Management Protocol).This network management interface module only keeps basic management controlled function; And only the relatively more responsive control and management action-item of time delay is in time handled; And complete management controlled function realizes through NM server and the client that the network management interface module focuses on the outside first line of a couplet, and the network management interface module makes NM server and client to manage concentratedly and to control the OLT equipment of a plurality of 1U.
A network management interface module can be supported at least 4 OLT modules through Switching Module, so the OLT number of modules that a kind of OLT equipment of providing of the utility model comprises can further expand, and this OLT equipment has ability scalable and expansion.
A kind of OLT equipment that the utility model provides adopts centralized adapted electric treatment function to realize through business module; Business module packages to adapted electric industry affair data according to the Q/GDW376.1 agreement; Send to professional main website through network interface 2 afterwards; OLT equipment is abideed by adapted electric industry affair related protocol, and the processing capacity that integrated adapted electric industry is engaged in can realize this locality of power business data is focused on.
Preferably; It is the OLT chip of PAS5201 that the OLT module that a kind of OLT equipment that the utility model provides comprises adopts model; It is the chip of AT91SAM9G20B that the network management interface module adopts model, and it is the chip of P2020 that business module adopts model, and it is the chip of 88E6185 that Switching Module adopts model.
Embodiment one:
A kind of OLT equipment that Fig. 2 provides for the utility model is applied in the sketch map of the embodiment one in the adapted electrical network EPON system; Can know that by Fig. 2 the OLT equipment that present embodiment provides comprises four PON mouths and two network interfaces that link to each other with the outside: PON mouth 1-PON mouth 4, network interface 1 and network interface 2.
Each PON mouth connects 64 ONU through its corresponding optical splitter, between PON mouth and the optical splitter is to connect through optical fiber, and the OLT module of OLT equipment receives OAM frame and traffic frame from the user through the PON mouth.
Network interface 1 is connected with NM server and client through switch 1, and network interface 2 passes through switch 2 and is connected with professional main website, is connected through netting twine between network interface 1, network interface 2, NM server and client and professional main website and switch 1 or the switch 2.NM server and client connect the network management interface module to be managed concentratedly and controls OLT equipment, and business module connects the service processing function that professional main website realizes OLT equipment.
The foregoing description can be realized one or more following beneficial effects:
1, the OLT equipment of the utility model adopts the centralized service treatment mechanism; The system architecture that concrete utilization " is simplified the centralized OLT of ONU-"; The OLT module can directly be distinguished OAM frame and data service frame according to the flag bit in MAC Address and the OAM frame; And be divided into two kinds of frames independently that two-way carries out parallel processing through centralized Business Processing framework and centralized webmaster framework, and the complicated service processing capacity is focused on the OLT, reduce the cost and the power consumption of EPON system;
2, the also integrated adapted electric industry required processing module of being engaged in can directly be carried out this locality processing to original adapted electric industry affair data in the centralized service treatment mechanism that the OLT equipment of the utility model adopts;
3, the OLT equipment of the utility model has been realized centralized network pipe support structure, and the last webmaster control module of OLT only keeps the most basic network management function, has guaranteed that OLT self has certain management control ability; NM server through the company of attending is realized complicated comprehensive management and control, realizes distinctive centralized network pipe support structure, promptly guarantees the network management function of OLT, has simplified OLT again and has reduced cost, has extensibility, has realized that function and cost take into account.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although the utility model has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can make amendment or be equal to replacement the embodiment of the utility model; And do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. the OLT equipment of an adapted electric light Access Network is characterized in that, said OLT equipment comprises OLT module, network management interface module, business module and Switching Module;
Said OLT module one end is connected with said business module, and the other end is connected with said network management interface module through said Switching Module.
2. OLT equipment according to claim 1 is characterized in that, said OLT equipment is 1U; The quantity of said OLT module is at least four, and each OLT module is respectively drawn a PON mouth, and said OLT module is connected with outside ONU through said PON mouth.
3. OLT equipment according to claim 2 is characterized in that, said PON mouth is connected through optical splitter with said ONU; Said optical splitter connects 64 said ONU, is connected through optical fiber with said PON mouth.
4. OLT equipment according to claim 1; It is characterized in that; Said OLT equipment comprises the network interface 1 of RJ-45 gigabit and the network interface 2 of RJ-45 100,000,000; Said network management interface module is connected with the NM server and the client of outside through connecting said network interface 1, said business module be connected with the outside service main website through being connected said network interface 2.
5. OLT equipment according to claim 4 is characterized in that, said NM server and client are connected through switch 1 with said network interface 1, and said professional main website is connected through switch 2 with said network interface 2; Said NM server and client and professional main website and said switch 1 or switch 2 are connected through netting twine.
6. according to each described OLT equipment of claim 1-5, it is characterized in that said OLT module comprises Data Receiving unit, discrimination unit and data transmission unit;
Said Data Receiving unit receives OAM frame and traffic frame;
Said discrimination unit is distinguished OAM frame and traffic frame that said data reception module receives;
OAM frame and traffic frame that said data transmission unit is distinguished said discrimination unit send to said business module or network management interface module respectively.
7. according to each described OLT equipment of claim 1-5, it is characterized in that said OLT module comprises that model is the OLT chip of PAS5201.
8. according to each described OLT equipment of claim 1-5, it is characterized in that said network management interface module comprises that model is the chip of AT91SAM9G20B.
9. according to each described OLT equipment of claim 1-5, it is characterized in that said business module comprises that model is the chip of P2020.
10. according to each described OLT equipment of claim 1-5, it is characterized in that said Switching Module comprises that model is the chip of 88E6185.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201647778U CN202634634U (en) | 2012-04-17 | 2012-04-17 | OLT device being adapted with electric light access network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201647778U CN202634634U (en) | 2012-04-17 | 2012-04-17 | OLT device being adapted with electric light access network |
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| CN202634634U true CN202634634U (en) | 2012-12-26 |
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| CN2012201647778U Expired - Lifetime CN202634634U (en) | 2012-04-17 | 2012-04-17 | OLT device being adapted with electric light access network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484043A (en) * | 2017-07-11 | 2017-12-15 | 北京邮电大学 | A kind of power optical fiber access network and its control method |
-
2012
- 2012-04-17 CN CN2012201647778U patent/CN202634634U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484043A (en) * | 2017-07-11 | 2017-12-15 | 北京邮电大学 | A kind of power optical fiber access network and its control method |
| CN107484043B (en) * | 2017-07-11 | 2020-02-07 | 北京邮电大学 | Power optical fiber access network and control method thereof |
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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: STATE GRID ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20121203 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20121203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210003 NANJING, JIANGSU PROVINCE TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121203 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: State Grid Electric Power Research Insititute Address before: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Patentee before: State Grid Electric Power Research Insititute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |