CN105208466A - Cabinet type multiport EPON system - Google Patents
Cabinet type multiport EPON system Download PDFInfo
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- CN105208466A CN105208466A CN201410244794.6A CN201410244794A CN105208466A CN 105208466 A CN105208466 A CN 105208466A CN 201410244794 A CN201410244794 A CN 201410244794A CN 105208466 A CN105208466 A CN 105208466A
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Abstract
A cabinet type multiport EPON system comprises a first PON module, a second PON module, a management module and an exchange chip, wherein the first PON module is connected with the second PON module; the exchange chip is connected with the first PON module; and the exchange chip is connected with the management module. The cabinet type multiport EPON system is high in business capacity and user access amount, small in size, and low in complexity and cost.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of cabinet-type multiport EPON system.
Background technology
PON technology is as a kind of novel intelligent acess technology, there is many-sided advantages such as high bandwidth, full-service, easy care, become the mainstream technology of the network integration, and EPON technology is comparatively loose with standard, technology realizes comparatively simple, inherit the dramatic benefit of ethernet technology simultaneously, there is very strong realistic development meaning.
At present, in the embody rule of EPON system, optical line terminal (OLT) product form is main mainly with 1U box-shaped device and cabinet-type equipment.Wherein, control unit, exchange chip and PONMAC have been integrated on one piece of veneer by boxlike OLT, are applicable to the application that traffic carrying capacity is less; And cabinet-type OLT can carry the business datum of the even hundreds of G of tens G.In addition, cabinet-type OLT is just towards the line card future development of the multiple different business of compatibility, and following cabinet-type OLT not only needs to have more powerful bandwidth, and needs to hold more terminal and user's access amount.Domestic cabinet-type OLT develops very fast, and the product that current many well-known equipment suppliers research and develop can well support EPON business, and its EPON service card is main mainly with 4 ports and 8 ports, and each port at most can plug-in 32 ONT.
At present, in operation layer and management level implementation method as depicted in figs. 1 and 2, the method is also current main stream approach to multiport EPON system.When operation layer realizes: down direction, the OLT main control unit high-speed data of coming by after the data exchange module of EPON system by Data dissemination to each PON module be attached thereto, on the PON mouth that data connect to the ONT of correspondence via PON module assignment; Up direction: the data of each ONT node deliver to data exchange module via after PON resume module, finally by data exchange module by convergence to OLT main control unit.When outband management aspect realizes: the administration module in EPON system carries out management data exchange by FE interface or GE interface and OLT main control unit, and administration module manages each PON module by exchange chip.
The implementation of current multiport EPON system mainly contains following shortcoming: 1. operation layer realizes needing a powerful data exchange module, adds volume and the cost of single business, too increases design difficulty simultaneously.2. when outband management layer realizes, each PON module has one 100,000,000 mouthfuls to be connected with exchange chip, needs the port number of exchange chip also can increase when PON module number increases.
Therefore, how on the basis not increasing exchange chip required port quantity, the service bearer amount and the user's access amount that increase cabinet-type multiport EPON system become one of problem demanding prompt solution.
Summary of the invention
The problem that the present invention solves is to provide a kind of cabinet-type multiport EPON system, on the basis not increasing exchange chip required port quantity, increases service bearer amount and user's access amount of cabinet-type multiport EPON system.
For solving the problem, the invention provides a kind of cabinet-type multiport EPON system, comprising: a PON module, the 2nd PON module, administration module and exchange chip;
Wherein, a described PON module and described 2nd PON model calling; Described exchange chip and a described PON model calling, described exchange chip is connected with described administration module.
Optionally, described administration module is connected with OLT main control unit, and a described PON module is connected with OLT main control unit.
Optionally, a described PON module comprises two groups of XAUI interfaces, and a described PON module is connected with described OLT main control unit by one group of XAUI interface, and a described PON module is by another group XAUI interface and described 2nd PON model calling; A described PON module comprises two groups of MII interfaces, and a described PON module is by one group of MII interface and described 2nd PON model calling, and a described PON module is connected with described exchange chip by another group MII interface.
Optionally, described administration module comprises processor, the first PHY chip and the second PHY chip; Described processor comprises two groups of MII interfaces, and described processor is connected with described first PHY chip by one group of MII interface, and described processor is connected with described second PHY chip respectively by another group MII interface; Described first PHY chip is connected with described OLT main control unit, and described second PHY chip is connected with described exchange chip.
Optionally, described processor is BCM53003 chip, and described first PHY chip and the second PHY chip are BCM5241 chip.
Optionally, described administration module is connected with described OLT main control unit by FE interface or GE interface, and described administration module is connected with described exchange chip by FE interface.
Optionally, a described PON module and described 2nd PON module are CS8022 chip.
Optionally, described exchange chip is 88E6097 chip.
Optionally, described cabinet-type multiport EPON system comprises and connects a PON module and two the 2nd PON modules.
Compared with prior art, technical scheme of the present invention has the following advantages:
By by the 2nd PON module and a PON model calling, and a PON module is connected with OLT main control unit and exchange chip, OLT main control unit is enable directly to access a PON module, and dereference the 2nd PON module, at omission available data Switching Module with while not increasing switching chip port number, increase the quantity of the PON module that EPON system is drawn, improve service bearer amount and user's access amount of cabinet-type EPON system, reduce the volume of EPON system, reduce complexity and the cost of EPON system.
Accompanying drawing explanation
Fig. 1 be in prior art multiport EPON system at the schematic diagram of operation layer implementation method;
Fig. 2 be in prior art multiport EPON system at the schematic diagram of management level implementation method;
Fig. 3 be in the present invention cabinet-type multiport EPON system embodiment at the schematic diagram of operation layer implementation method;
Fig. 4 be in the present invention cabinet-type multiport EPON system embodiment at the schematic diagram of management level implementation method;
Fig. 5 is the structural representation of exchange chip in Fig. 4;
Fig. 6 is the structural representation of administration module in Fig. 4.
Embodiment
Just as described in the background section, existing multiport EPON system operation layer realizes the powerful data exchange module of needs one, and EPON system and design difficulty complexity, the cost of single business is high.In addition, when outband management layer realizes, each PON module has one 100,000,000 mouthfuls to be connected with exchange chip, needs the port number of exchange chip also can increase when PON module number increases.
For solving the problem, the present invention, by the 2nd PON module and a PON model calling, a PON module be connected with OLT main control unit and exchange chip, and exchange chip is connected with OLT main control unit by administration module.OLT main control unit is enable directly to access a PON module, and dereference the 2nd PON module, at omission available data Switching Module with while not increasing switching chip port number, reach the quantity increasing the PON module that EPON system is drawn, improve service bearer amount and user's access amount of cabinet-type EPON system, reduce the volume of EPON system, reduce the complexity of EPON system and the object of cost.
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
In the present embodiment, to comprise the cabinet-type 16 port EPON system of two PON modules and two the 2nd PON modules, cabinet-type multiport EPON system in the present invention is described.
Fig. 3 and Fig. 4 is respectively the schematic diagram of cabinet-type multiport EPON system when operation layer and management level realize in the present invention.In conjunction with reference to figure 3 and Fig. 4, in the present embodiment, cabinet-type multiport EPON system comprises a PON module 105, a PON module 107, the 2nd PON module 103, the 2nd PON module 109, administration module 111 and exchange chip 113.
Wherein, a described PON module 105 is connected with described 2nd PON module 103, and a described PON module 107 is connected with described 2nd PON module 109.A described PON module 105 is connected with described OLT main control unit 101 respectively with a PON module 107, a described PON module 105 is also connected with exchange chip 113 respectively with a PON module 107, described exchange chip 113 is connected with described administration module 111, and described administration module 111 is connected with described OLT main control unit 101.
In the present embodiment, described administration module 111 is connected with described OLT main control unit 101 by FE interface or GE interface, and described administration module 111 is connected with described exchange chip 113 by FE interface.
In the present embodiment, a described PON module 105 and a PON module 107 comprise two groups of XAUI interfaces respectively.A described PON module 105 is connected with described OLT main control unit 101 by one group of XAUI interface, and a described PON module 105 is connected with described 2nd PON module 103 by another group XAUI interface; A described PON module 107 is connected with described OLT main control unit 101 by one group of XAUI interface, and a described PON module 107 is connected with described 2nd PON module 109 by another group XAUI interface.
A described PON module 105 and the 2nd PON module 107 comprise two groups of MII interfaces respectively.A described PON module 105 is connected with described 2nd PON module 103 by one group of MII interface, and a described PON module 105 is connected with described exchange chip 113 by another group MII interface; A described PON module 107 is connected with described 2nd PON module 109 by one group of MII interface, and a described PON module 107 is connected with described exchange chip 113 by another group MII interface.
In the present embodiment, a described PON module 105, a PON module 107, the 2nd PON module 103 and the 2nd PON module 109 can be the CS8022 chip that CORTINA company provides.
In the present embodiment, described exchange chip 113 can be the 88E6097 chip that MARVELL company provides.With reference to figure 5, structural representation when exchange chip 113 is 88E6097, the P9 port of 88E6097 is connected with a described PON module 105 by one group of MII interface, the P10 port of 88E6097 is connected with a described PON module 107 by one group of MII interface, the P0 port of 88E6097 is connected with administration module 111 by FE interface.
With reference to figure 6, be the structural representation of administration module in Fig. 4 111, described administration module 111 comprises the first PHY chip 1111, processor 1113 and the second PHY chip 1115 further.Described processor 1113 comprises two groups of MII interfaces, and described processor 1113 is connected with described first PHY chip 1111 by one group of MII interface, and described processor 1113 is connected with described second PHY chip 1115 by another group MII interface; Described first PHY chip 1111 is connected with described OLT main control unit 101, and described second PHY chip 1115 is connected with described exchange chip 113.
Concrete, described processor 1113 can be BCM53003 chip, and described first PHY chip 1111 and the second PHY chip 1115 can be BCM5241 chip.
Because each PON module can provide 4 PON ports, for connecting user side ONT equipment.In the present embodiment, cabinet-type multiport EPON system can provide 16 PON ports, accessible 16 user side ONT equipment.
In the present embodiment, by the 2nd PON module 103 is connected with a PON module 105, 2nd PON module 107 is connected with a PON module 109, and a PON module 105 is connected with OLT main control unit 101 and exchange chip 113 with a PON module 107, make OLT main control unit 101 directly can access a PON module 105 and a PON module 107, and dereference the 2nd PON module 103 and the 2nd PON module 109, at omission available data Switching Module with while not increasing switching chip port number, increase the quantity of the PON module that EPON system is drawn, improve service bearer amount and user's access amount of cabinet-type EPON system, reduce the volume of EPON system, reduce complexity and the cost of EPON system.
In other embodiments, described cabinet-type multiport EPON system also can comprise two or more the one PON module, each PON module and a 2nd PON model calling.Such as, cabinet-type multiport EPON system comprises N (N is the positive integer of a 2) individual PON module and N number of 2nd PON module, and now, this cabinet-type multiport EPON system can provide 8N PON port, accessible 8N user side ONT equipment.Further increase service bearer amount and user's access amount of cabinet-type EPON system, reduce the volume of EPON system.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (9)
1. a cabinet-type multiport EPON system, is characterized in that, comprising: a PON module, the 2nd PON module, administration module and exchange chip;
Wherein, a described PON module and described 2nd PON model calling; Described exchange chip and a described PON model calling, described exchange chip is connected with described administration module.
2. cabinet-type multiport EPON system as claimed in claim 1, it is characterized in that, described administration module is connected with OLT main control unit, and a described PON module is connected with OLT main control unit.
3. cabinet-type multiport EPON system as claimed in claim 2, it is characterized in that, a described PON module comprises two groups of XAUI interfaces, a described PON module is connected with described OLT main control unit by one group of XAUI interface, and a described PON module is by another group XAUI interface and described 2nd PON model calling; A described PON module comprises two groups of MII interfaces, and a described PON module is by one group of MII interface and described 2nd PON model calling, and a described PON module is connected with described exchange chip by another group MII interface.
4. cabinet-type multiport EPON system as claimed in claim 2, it is characterized in that, described administration module comprises processor, the first PHY chip and the second PHY chip; Described processor comprises two groups of MII interfaces, and described processor is connected with described first PHY chip by one group of MII interface, and described processor is connected with described second PHY chip respectively by another group MII interface; Described first PHY chip is connected with described OLT main control unit, and described second PHY chip is connected with described exchange chip.
5. cabinet-type multiport EPON system as claimed in claim 4, it is characterized in that, described processor is BCM53003 chip, and described first PHY chip and the second PHY chip are BCM5241 chip.
6. the cabinet-type multiport EPON system as described in any one of claim 2 to 5, is characterized in that, described administration module is connected with described OLT main control unit by FE interface or GE interface, and described administration module is connected with described exchange chip by FE interface.
7. cabinet-type multiport EPON system as claimed in claim 1, it is characterized in that, a described PON module and described 2nd PON module are CS8022 chip.
8. cabinet-type multiport EPON system as claimed in claim 1, it is characterized in that, described exchange chip is 88E6097 chip.
9. cabinet-type multiport EPON system as claimed in claim 1, it is characterized in that, described cabinet-type multiport EPON system comprises two PON modules and two the 2nd PON modules.
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| CN201410244794.6A CN105208466B (en) | 2014-06-04 | 2014-06-04 | Cabinet-type multiport EPON system |
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Cited By (2)
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| CN106452591A (en) * | 2016-12-07 | 2017-02-22 | 深圳市飞鸿光电子有限公司 | Flexibly deployed optical module ONT (optical network terminal) |
| CN110915150A (en) * | 2017-09-15 | 2020-03-24 | 华为技术有限公司 | Controlling and managing a first PON using a second PON |
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| CN106452591A (en) * | 2016-12-07 | 2017-02-22 | 深圳市飞鸿光电子有限公司 | Flexibly deployed optical module ONT (optical network terminal) |
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| CN110915150B (en) * | 2017-09-15 | 2021-03-30 | 华为技术有限公司 | Controlling and managing a first PON using a second PON |
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