CN203014814U - ONU (Optical Network Unit) for three-network convergence - Google Patents
ONU (Optical Network Unit) for three-network convergence Download PDFInfo
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- CN203014814U CN203014814U CN 201220568339 CN201220568339U CN203014814U CN 203014814 U CN203014814 U CN 203014814U CN 201220568339 CN201220568339 CN 201220568339 CN 201220568339 U CN201220568339 U CN 201220568339U CN 203014814 U CN203014814 U CN 203014814U
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Abstract
The utility model discloses an ONU (Optical Network Unit) for three-network convergence. The ONU comprises an optical module, a master control module and an exchange model which are sequentially connected, wherein the optical module includes a primary optical transmission/reception unit, a standby transmission/reception unit and an electronic switch for switching between the primary optical transmission/reception unit and the standby transmission/reception unit under the control of the master control module; and a first static contact of the electronic switch is connected with the primary optical transmission/reception unit, a second static contact of the electronic switch is connected with the standby transmission/reception unit, and a moving contact of the electronic switch is connected with the master control module. According to an embodiment of the technical scheme, the optical module is provided with one primary optical transmission/reception unit and one standby transmission/reception unit, such that if the line of one of the optical transmission/reception units is failed, the other optical transmission/reception unit can be used to perform corresponding service functions, thereby providing high reliability and meeting the application needs in operation environments requiring high safety.
Description
Technical field
The utility model relates to the optical-fiber network technical field, relates in particular to a kind of ONU for the integration of three networks.
Background technology
In recent years, the extensive use of optical-fiber network technology has driven the development of network broadband, and simultaneously, the Network integration of diversification has also proposed more requirement to optical-fiber network.Therefore, need to constantly explore new technology in conjunction with the demand of network Development, improve and improve the fiber optic network various performances of transmission and function, to satisfy the development of optical-fiber network technology.Integration of three networks ONU(Optical Network Unit, optical network unit) generation and application, can satisfy well the broadband user and demand.But, in existing ONU, only have an optical transceiver module, when circuit breaks down, the business function that ONU will stop being correlated with, this can not satisfy application under the environment for use of high safety requirements.
The utility model content
The technical problems to be solved in the utility model is, can not satisfy the defective of application for the above-mentioned ONU of prior art under the environment for use of high safety requirements, and a kind of ONU for the integration of three networks is provided, and can satisfy application under the environment for use of high safety requirements.
the technical scheme that its technical problem that solves the utility model adopts is: construct a kind of ONU for the integration of three networks, comprise the optical module that is connected successively, main control module and Switching Module, described optical module comprises the key light Transmit-Receive Unit, standby light Transmit-Receive Unit reaches the electronic switch that is used for realizing described key light Transmit-Receive Unit and described standby light Transmit-Receive Unit switching under the control of described main control module, and, the first fixed contact of described electronic switch connects described key light Transmit-Receive Unit, the second fixed contact of described electronic switch connects described standby light Transmit-Receive Unit, the moving contact of described electronic switch connects described main control module.
At the ONU for the integration of three networks described in the utility model, described main control module comprises CPU.
At the ONU for the integration of three networks described in the utility model, described main control module also comprises the FLASH memory that is connected with described CPU.
At the ONU for the integration of three networks described in the utility model, described main control module also comprises the EEPROM that is connected with described CPU.
At the ONU for the integration of three networks described in the utility model, described CPU is connected with described Switching Module by the GMII bus.
At the ONU for the integration of three networks described in the utility model, described Switching Module comprises:
Be used for realizing the interchanger of data retransmission;
Be connected in described interchanger and be used for forwarding data is carried out the network transformer of format conversion; And
Be connected in a plurality of Ethernet data interfaces of described network transformer.
At the ONU for the integration of three networks described in the utility model, described ONU also comprises the power module that is used to described optical module, main control module and Switching Module power supply.
At the ONU for the integration of three networks described in the utility model, described power module comprises:
Be used for the 12V voltage transitions is become the DC-DC unit of 3.3V voltage;
Be used for the 3.3V voltage transitions is become the 2.5V voltage cell of 2.5V voltage;
Be used for the 3.3V voltage transitions is become the 1.8V voltage cell of 1.8V voltage; And
Be used for the 3.3V voltage transitions is become the 1.2V voltage cell of 1.2V voltage.
At the ONU for the integration of three networks described in the utility model, described ONU also comprises:
The blower module that the heat that produces during to described optical module, main control module and Switching Module work dispels the heat.
Implement the technical solution of the utility model, a key light Transmit-Receive Unit and a standby light Transmit-Receive Unit are set in optical module, when the line fault of some smooth Transmit-Receive Units, can use another light Transmit-Receive Unit to proceed corresponding business function, therefore, higher reliability is arranged, can satisfy application under the environment for use of high safety requirements.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the logic diagram that the utility model is used for the ONU embodiment one of the integration of three networks;
Fig. 2 is the logic diagram that the utility model is used for the ONU embodiment two of the integration of three networks;
Fig. 3 is the logic diagram of the power module embodiment one of the utility model ONU of being used for the integration of three networks.
Embodiment
Fig. 1 is the logic diagram that the utility model is used for the ONU embodiment one of the integration of three networks, this ONU comprises optical module 10, main control module 20 and the Switching Module 30 that is connected successively, it should be noted that optical module 10 is mainly used in light signal is converted to the treatable digital signal of circuit; Function is controlled in the main management of being responsible for whole system of main control module 20, bears simultaneously the forward process of data; Switching Module 30 is mainly used in physics addressing, network topology structure, error checking, frame sequence and Flow Control.Wherein, optical module 10 comprises key light Transmit-Receive Unit 11, standby light Transmit-Receive Unit 12 and electronic switch 13, and, electronic switch 13 is used for realizing that key light Transmit-Receive Unit 11 and standby light Transmit-Receive Unit 12 switch under the control of main control module 20, the first fixed contact of electronic switch 13 connects key light Transmit-Receive Unit 11, the second fixed contact of electronic switch 13 connects standby light Transmit-Receive Unit 12, and the moving contact of electronic switch 11 connects main control module 20.Implement this technical scheme, a key light Transmit-Receive Unit 11 and a standby light Transmit-Receive Unit 12 are set in optical module 10, when the line fault of some smooth Transmit-Receive Units, can use another light Transmit-Receive Unit to proceed corresponding business function, therefore, higher reliability is arranged, can satisfy application under the environment for use of high safety requirements.
Fig. 2 is the logic diagram that the utility model is used for the ONU embodiment two of the integration of three networks, this ONU comprises power module 40, blower module 50 and the optical module 10, main control module 20 and the Switching Module 30 that are connected successively, and power module 40 is optical module 10, main control module 20 and Switching Module 30 power supplies; The heat that 50 pairs of optical modules 10 of blower module, main control module 20 and Switching Module 30 produce when working dispels the heat.Wherein, optical module 10 comprises key light Transmit-Receive Unit 11, standby light Transmit-Receive Unit 12 and electronic switch 13, and, electronic switch 13 is used for realizing that key light Transmit-Receive Unit 11 and standby light Transmit-Receive Unit 12 switch under the control of main control module 20, the first fixed contact of electronic switch 13 connects key light Transmit-Receive Unit 11, and the second fixed contact of electronic switch 13 connects standby light Transmit-Receive Unit 12.Main control module 20 comprises CPU21, EEPROM22 and FLASH memory 23, and, CPU21 is connected with FLASH memory 23 with moving contact and the EEPROM22 of electronic switch 13 respectively, wherein, CPU21 is used at key light Transmit-Receive Unit 11, when standby light Transmit-Receive Unit 12 has data transfer request simultaneously, by controlling the upstream data of electronic switch 13 priority treatment key light Transmit-Receive Units 11; When only standby light Transmit-Receive Unit 12 has data transfer request, switch to standby light Transmit-Receive Unit 12 by control electronic switch 13 and carry out transfer of data, and then control electronic switch 13 switches to key light Transmit-Receive Unit 11; When key light Transmit-Receive Unit 11 fault, switch to standby light Transmit-Receive Unit 12 by control electronic switch 13 and replace key light Transmit-Receive Units 11 to carry out transfer of data.CPU21 can select the PAS6301 chip of PMC producer, and the PAS6301 chip is based on the EPON ONU key function solution of 802.3ah standard, and several functions module that inside is integrated can satisfy the requirement that the EPON multi-service is supported.EEPROM22 is used for realizing the buffering of CPU deal with data, and when having guaranteed that the CPU21 deal with data is saturated, Frame can not be lost, and also can improve data-handling efficiency simultaneously; FLASH memory 23 is used for loading the file of at least two software versions, can guarantee that the version backup is carried out in the space that still can keep enough and data are stored when software upgrading (new software version be burnt to FLASH in).Switching Module 30 comprises interchanger 31, network transformer 32 and a plurality of Ethernet data interface, four road RJ4533 for example, and also interchanger 31 is connected by the GMII bus with CPU21, so that reliable transmission channel to be provided, realizes that high efficiency Ethernet data forwards.Interchanger 31 with are connected RJ45 and also are connected with network transformer 32 respectively.Wherein, interchanger 31 is used for realizing for example can adopting the MARVELL88E6045 of MARVELL company by data retransmission; Network transformer 32 is used for forwarding data is carried out format conversion.
Fig. 3 is the logic diagram of the power module embodiment one of the utility model ONU of being used for the integration of three networks, and this power module 40 comprises DC-DC unit 41,2.5V voltage cell 42,1.8V voltage cell 43 and 1.2V voltage cell 44.Wherein, DC-DC unit 41 is used for the 12V voltage transitions is become 3.3V voltage, be directly then that Switching Module and peripheral circuit are powered; 2.5V voltage cell 42 is used for the 3.3V voltage transitions is become 2.5V voltage, then directly is the interchanger power supply; 1.8V voltage cell 43 is used for the 3.3V voltage transitions is become 1.8V voltage, is directly then other some circuit supplies; 1.2V voltage cell 44 is used for the 3.3V voltage transitions is become 1.2V voltage, then directly is the CPU power supply.In actual applications, can select the power supply chip of stability and high efficiency, provide good guarantee for product is energy-conservation with long-play.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present utility model.
Claims (9)
1. ONU who is used for the integration of three networks, comprise the optical module, main control module and the Switching Module that are connected successively, it is characterized in that, described optical module comprises key light Transmit-Receive Unit, standby light Transmit-Receive Unit and be used for realizing the electronic switch that described key light Transmit-Receive Unit and described standby light Transmit-Receive Unit switch under the control of described main control module, and, the first fixed contact of described electronic switch connects described key light Transmit-Receive Unit, the second fixed contact of described electronic switch connects described standby light Transmit-Receive Unit, and the moving contact of described electronic switch connects described main control module.
2. the ONU for the integration of three networks according to claim 1, is characterized in that, described main control module comprises CPU.
3. the ONU for the integration of three networks according to claim 2, is characterized in that, described main control module also comprises the FLASH memory that is connected with described CPU.
4. the ONU for the integration of three networks according to claim 2, is characterized in that, described main control module also comprises the EEPROM that is connected with described CPU.
5. the ONU for the integration of three networks according to claim 2, is characterized in that, described CPU is connected with described Switching Module by the GMII bus.
6. the ONU for the integration of three networks according to claim 1, is characterized in that, described Switching Module comprises:
Be used for realizing the interchanger of data retransmission;
Be connected in described interchanger and be used for forwarding data is carried out the network transformer of format conversion; And
Be connected in a plurality of Ethernet data interfaces of described network transformer.
7. the ONU for the integration of three networks according to claim 1, is characterized in that, described ONU also comprises the power module that is used to described optical module, main control module and Switching Module power supply.
8. the ONU for the integration of three networks according to claim 7, is characterized in that, described power module comprises:
Be used for the 12V voltage transitions is become the DC-DC unit of 3.3V voltage;
Be used for the 3.3V voltage transitions is become the 2.5V voltage cell of 2.5V voltage;
Be used for the 3.3V voltage transitions is become the 1.8V voltage cell of 1.8V voltage; And
Be used for the 3.3V voltage transitions is become the 1.2V voltage cell of 1.2V voltage.
9. the ONU for the integration of three networks according to claim 1, is characterized in that, described ONU also comprises:
The blower module that the heat that produces when being used for described optical module, main control module and Switching Module work dispels the heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568339 CN203014814U (en) | 2012-10-31 | 2012-10-31 | ONU (Optical Network Unit) for three-network convergence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568339 CN203014814U (en) | 2012-10-31 | 2012-10-31 | ONU (Optical Network Unit) for three-network convergence |
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| Publication Number | Publication Date |
|---|---|
| CN203014814U true CN203014814U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568339 Expired - Lifetime CN203014814U (en) | 2012-10-31 | 2012-10-31 | ONU (Optical Network Unit) for three-network convergence |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836621A (en) * | 2015-05-25 | 2015-08-12 | 博为科技有限公司 | Optical network equipment |
| CN111698039A (en) * | 2019-03-14 | 2020-09-22 | 永滐投资有限公司 | Network and electric power sharing device |
-
2012
- 2012-10-31 CN CN 201220568339 patent/CN203014814U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836621A (en) * | 2015-05-25 | 2015-08-12 | 博为科技有限公司 | Optical network equipment |
| CN111698039A (en) * | 2019-03-14 | 2020-09-22 | 永滐投资有限公司 | Network and electric power sharing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |