CN202043111U - SFP (small form-factor pluggable) optical module - Google Patents
SFP (small form-factor pluggable) optical module Download PDFInfo
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- CN202043111U CN202043111U CN2011200682695U CN201120068269U CN202043111U CN 202043111 U CN202043111 U CN 202043111U CN 2011200682695 U CN2011200682695 U CN 2011200682695U CN 201120068269 U CN201120068269 U CN 201120068269U CN 202043111 U CN202043111 U CN 202043111U
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Abstract
The utility model discloses an SFP (small form-factor pluggable) optical module, which comprises a photoelectric conversion unit, a protocol conversion unit and a serial and parallel signal conversion unit, wherein the photoelectric conversion unit, the protocol conversion unit and the serial and parallel signal conversion unit are mutually connected and are packaged in an SFP package manner. The photoelectric conversion unit and the protocol conversion unit are packaged to form the optical module in the SFP package manner, and accordingly, occupation space of the optical module can be effectively reduced, and the SFP optical module is low in cost.
Description
Technical field
The utility model relates to the optical communication technique field, specifically, relates to the optical module that a kind of SFP of employing encapsulates.
Background technology
FTTH (Fiber To The Home, Fiber to the home) technology is the ultimate solution of broadband access once the inevitable direction that the Access Network Future Development occurs being considered to.And FTTB (Fiber To The Building) and FTTC (Fiber To The Curb) are as existing switch or the router broadband access technology technology to the FTTH transition, operator does not wish existing network is done too many transformation, does not more wish to drop in FTTB and FTTC upgrading too much expense.
In general, the existing basic mode of FTTB and FTTC technical scheme that realizes is: in the building or the roadside optical communication terminal equipment with photoelectric converting function is set as light path terminal, optical communication terminal equipment has protocol conversion function, be used for finishing the protocol conversion between optical-fiber network and the Ethernet, be connected on the network interface of switch or router by netting twine then.Generally, the externally fed power supply of a special use need be set is entire equipment power supply to optical communication terminal equipment.
Above-mentioned implementation for existing FTTB and FTTC, there is following deficiency in actual applications: at first, optical communication terminal equipment is an independently product, the part that realizes the protocol conversion of opto-electronic conversion machine in it is independent respectively, and switch or router and optical communication terminal equipment are also separate, thereby cause the whole system volume bigger, need take bigger space; Secondly, optical communication terminal equipment not only needs additionally to be provided with a housing, and the external power source that a special use need be set powers, and cost is higher; Once more, optical communication terminal equipment can only be connected on the network interface of switch or router by netting twine, use network interface to realize the function of surfing the Net of user terminal, adopt the network interface connected mode can influence the reliability of whole system, connection line is oversize then can to influence network transmission speed; At last, above-mentioned implementation is difficult to the standardization of the equipment of realizing and integrated.
The utility model content
The above-mentioned shortcoming and defect that the solution that the utility model adopts when realizing FTTB and FTTC in the prior art exists, a kind of SFP optical module is provided, by adopting the SFP packing forms to encapsulate the formation optical module optical conversion element and conversion unit of protocol, as optical communication terminal equipment, can effectively reduce the shared space of equipment, and cost is lower.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of SFP optical module, described SFP optical module include interconnective photoelectric conversion unit, conversion unit of protocol and string and signal conversion unit, and photoelectric conversion unit, conversion unit of protocol and string and signal conversion unit adopt the SFP packaged type to encapsulate.
Aforesaid SFP optical module, described SFP optical module also adopts SFP to be packaged with the monitoring processing unit, and the monitoring processing unit is connected with described photoelectric conversion unit on the one hand, is connected with described conversion unit of protocol on the other hand.
Aforesaid SFP optical module is characterized in that, described monitoring processing unit is connected with described photoelectric conversion unit by the I2C bus, to realize monitoring, collection and the processing to the photoelectric conversion unit corresponding data.
Aforesaid SFP optical module, described monitoring processing unit is connected with described conversion unit of protocol with the I2C bus by the UART bus, to realize the functions such as upgrading, test and diagnosis to conversion unit of protocol.
Aforesaid SFP optical module, described monitoring processing unit also has external I2C bus interface, and the switch that is inserted into by external I2C bus interface and SFP optical module or the I2C bus interface on the router be connected, with the remote monitoring of realization system to switch or router.
Aforesaid SFP optical module, described monitoring processing unit can adopt microprocessor to realize.
Aforesaid SFP optical module, described SFP optical module also adopts SFP to be packaged with the Flash memory cell, and the Flash memory cell is connected with described conversion unit of protocol, in order to data messages such as the required program of storage protocol converting unit, state indications.
Aforesaid SFP optical module, described photoelectric conversion unit can be EPON network photoelectric conversion unit, the conversion unit of protocol of then described conversion unit of protocol for realizing that EPON procotol and Ethernet agreement are changed mutually.
Described photoelectric conversion unit also can be GPON network photoelectric conversion unit, the conversion unit of protocol of then described conversion unit of protocol for realizing that GPON procotol and Ethernet agreement are changed mutually.
Aforesaid SFP optical module, described conversion unit of protocol preferably adopt integrated chip to realize.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by adopting the SFP packing forms to be encapsulated as a SFP optical module photoelectric conversion unit and conversion unit of protocol, only need a shell can realize the encapsulation of opto-electronic conversion and protocol conversion part on the one hand, reduced cost, and effectively reduce module size, reduced the shared space of module; On the other hand, the SFP optical module that encapsulation forms can directly insert in the SFP slot in switch or the router and use, both reduced taking to switch or router network interface, can also utilize the general supply of switch or router to power for optical module, and need not additionally to be provided with power supply, and, can also make full use of the remote monitoring that bus interface on the SFP slot of switch or router realizes system.Utilize SFP optical module of the present utility model, can realize the standardization of FTTB and FTTC device therefor and integrated.
After reading embodiment of the present utility model in conjunction with the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the contour structures schematic diagram of an embodiment of the utility model SFP optical module;
Fig. 2 is the theory diagram of Fig. 1 embodiment SFP optical module.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Fig. 1 and Fig. 2 show an embodiment of the utility model SFP optical module, and wherein, Fig. 1 is the contour structures schematic diagram of this embodiment, and Fig. 2 is the theory diagram of this embodiment.
As shown in Figure 2, the SFP optical module of this embodiment includes interconnective photoelectric conversion unit 21, conversion unit of protocol 22 and string and signal conversion unit 23.Wherein, photoelectric conversion unit 21 is used for finishing the mutual conversion of the light signal and the signal of telecommunication, specifically includes optical assembly 211, transmitter circuitry 212 and receiver circuit 213; And conversion unit of protocol 22 and string and signal conversion unit 23 are used for realizing optical-fiber network agreement and the mutual conversion of existing Ethernet network agreement and the transmission of signal at this optical module place.And photoelectric conversion unit 21, conversion unit of protocol 22 and string and signal conversion unit 23 adopt the SFP packaged type to encapsulate, and form the optical module of structure as shown in Figure 1.As shown in Figure 1, the SFP optical module of this embodiment includes optical interface 1 and electrical interface 2, and its overall dimension and pinout meet SFP encapsulation standard.
This embodiment is by adopting the SFP packing forms to be encapsulated as a SFP optical module photoelectric conversion unit 21 and conversion unit of protocol 22, only need a shell opto-electronic conversion and protocol conversion partly can be packaged together on the one hand, on the other hand, the SFP optical module that encapsulation forms can directly insert in the SFP slot in switch or the router and use, thereby reduced the size of overall optical module, structure between compact itself and switch or the router, both reduced taking to switch or router network interface, can also utilize the general supply of switch or router to power for optical module, and need not additionally to be provided with again power supply, effectively reduce the cost of overall optical module.
As shown in Figure 2, this embodiment also adopts SFP to be packaged with monitoring processing unit 24 for realizing the digital quantity monitoring and the management of optical module, and it is connected with photoelectric conversion unit 21 on the one hand, is connected with conversion unit of protocol 22 on the other hand.
Specifically, monitoring processing unit 24 is connected with photoelectric conversion unit 21 by the I2C bus, realizes monitoring, collection and processing to data such as photoelectric conversion unit 21 receiving optical signals intensity.Monitoring processing unit 24 can also be connected with conversion unit of protocol 22 with the I2C bus by the UART bus, realizes the functions such as upgrading, test and diagnosis to conversion unit of protocol 22.
In addition, monitoring processing unit 24 also has external I2C bus interface, after in the SFP slot that optical module is inserted on switch or the router, utilize this external I2C bus interface to be connected with I2C bus interface on switch or the router, come of the remote monitoring of realization system with this, thereby improve the management and the monitoring of whole system switch or router.
Wherein, above-mentioned monitoring processing unit 24 can adopt microprocessor such as single-chip microcomputer to realize, by the relevant optical module information and the user configuration information of internal storage storage of microprocessor, can satisfy different clients' multiple demand.
In this embodiment, conversion unit of protocol 22 can adopt integrated MAC chip to realize.If the SFP optical module is applied among the EPON (ethernet passive optical network), then photoelectric conversion unit 21 is EPON network photoelectric conversion unit, and conversion unit of protocol 22 then employing can realize the integrated chip that EPON procotol and Ethernet agreement are changed mutually.If the SFP optical module is applied among the GPON (gigabit passive optical network), then photoelectric conversion unit 21 is GPON network photoelectric conversion unit, and conversion unit of protocol 22 then employing can realize the integrated chip that GPON procotol and Ethernet agreement are changed mutually.
And, for ease of data messages such as storage protocol converting unit 22 needed programs, state indications, in the SFP of this embodiment optical module, also be packaged with the Fla sh memory cell 25 that is connected with conversion unit of protocol 22.
The SFP optical module of this embodiment can be realized the repertoire of agreement IEEE802.3ah, and complete compatible SFP-MSA agreement, it is less to take up room, and can compatiblely have Ethernet equipment now, make the user not need that the network terminal is done any transformation and can arrive EPON network or GPON network to existing P 2P network upgrade, realize FTTB or FTTC, simplified upgrade job, improved network upgrade speed.
Above embodiment only in order to the explanation the technical solution of the utility model, but not limits it; Although the utility model is had been described in detail with reference to previous embodiment, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model technical scheme required for protection.
Claims (10)
1. SFP optical module, it is characterized in that, described SFP optical module includes interconnective photoelectric conversion unit, conversion unit of protocol and string and signal conversion unit, and photoelectric conversion unit, conversion unit of protocol and string and signal conversion unit adopt the SFP packaged type to encapsulate.
2. SFP optical module according to claim 1, it is characterized in that, described SFP optical module also adopts SFP to be packaged with the monitoring processing unit, and the monitoring processing unit is connected with described photoelectric conversion unit on the one hand, is connected with described conversion unit of protocol on the other hand.
3. SFP optical module according to claim 2 is characterized in that, described monitoring processing unit is connected with described photoelectric conversion unit by the I2C bus.
4. SFP optical module according to claim 2 is characterized in that, described monitoring processing unit is connected with described conversion unit of protocol with the I2C bus by the UART bus.
5. SFP optical module according to claim 2 is characterized in that, described monitoring processing unit also has external I2C bus interface, and the switch that is inserted into by external I2C bus interface and SFP optical module or the I2C bus interface on the router are connected.
6. according to each described SFP optical module in the claim 2 to 5, it is characterized in that described monitoring processing unit adopts microprocessor to realize.
7. according to each described SFP optical module in the claim 1 to 5, it is characterized in that described SFP optical module also adopts SFP to be packaged with the Flash memory cell, the Flash memory cell is connected with described conversion unit of protocol.
8. SFP optical module according to claim 1 is characterized in that, described photoelectric conversion unit is EPON network photoelectric conversion unit, the conversion unit of protocol of described conversion unit of protocol for realizing that EPON procotol and Ethernet agreement are changed mutually.
9. SFP optical module according to claim 1 is characterized in that, described photoelectric conversion unit is GPON network photoelectric conversion unit, the conversion unit of protocol of described conversion unit of protocol for realizing that GPON procotol and Ethernet agreement are changed mutually.
10. according to Claim 8 or 9 described SFP optical modules, it is characterized in that described conversion unit of protocol adopts integrated chip to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200682695U CN202043111U (en) | 2011-03-08 | 2011-03-08 | SFP (small form-factor pluggable) optical module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200682695U CN202043111U (en) | 2011-03-08 | 2011-03-08 | SFP (small form-factor pluggable) optical module |
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| CN202043111U true CN202043111U (en) | 2011-11-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752049A (en) * | 2012-07-19 | 2012-10-24 | 青岛海信宽带多媒体技术有限公司 | Local area network applying plastic optical fiber (POF) networking as well as optical switchboard and photoconverters of local area network |
| CN102930877A (en) * | 2012-11-02 | 2013-02-13 | 东莞铭普光磁股份有限公司 | Digital monitoring system suitable for light module controller and implementation method of digital monitoring system |
| CN103812695A (en) * | 2014-01-26 | 2014-05-21 | 青岛海信宽带多媒体技术有限公司 | Software debugging method and device for SFP (small form pluggable) ONU (optical network unit) |
| CN106100736A (en) * | 2016-06-03 | 2016-11-09 | 武汉奥源光联网科技发展有限公司 | A kind of miniature Ethernet optical-electrical converter and application |
| CN109547114A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | SFP packaged 100G photoelectric receiving module |
| CN113917631A (en) * | 2021-10-20 | 2022-01-11 | 东莞立讯技术有限公司 | Co-packaged integrated photoelectric module and co-packaged photoelectric exchange chip structure |
-
2011
- 2011-03-08 CN CN2011200682695U patent/CN202043111U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752049A (en) * | 2012-07-19 | 2012-10-24 | 青岛海信宽带多媒体技术有限公司 | Local area network applying plastic optical fiber (POF) networking as well as optical switchboard and photoconverters of local area network |
| WO2014012273A1 (en) * | 2012-07-19 | 2014-01-23 | 青岛海信宽带多媒体技术有限公司 | Local area network employing pof networking, and optical switch and optical converter therefor |
| CN102752049B (en) * | 2012-07-19 | 2015-12-16 | 青岛海信宽带多媒体技术有限公司 | The local area network (LAN) of application POF networking and optical switch and photoconverter |
| CN102930877A (en) * | 2012-11-02 | 2013-02-13 | 东莞铭普光磁股份有限公司 | Digital monitoring system suitable for light module controller and implementation method of digital monitoring system |
| CN102930877B (en) * | 2012-11-02 | 2015-04-15 | 东莞铭普光磁股份有限公司 | Digital monitoring system suitable for light module controller and implementation method of digital monitoring system |
| CN103812695A (en) * | 2014-01-26 | 2014-05-21 | 青岛海信宽带多媒体技术有限公司 | Software debugging method and device for SFP (small form pluggable) ONU (optical network unit) |
| CN106100736A (en) * | 2016-06-03 | 2016-11-09 | 武汉奥源光联网科技发展有限公司 | A kind of miniature Ethernet optical-electrical converter and application |
| CN106100736B (en) * | 2016-06-03 | 2019-03-29 | 武汉光谷光联网科技有限公司 | A kind of miniature Ethernet photoelectric converter and application |
| CN109547114A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | SFP packaged 100G photoelectric receiving module |
| CN113917631A (en) * | 2021-10-20 | 2022-01-11 | 东莞立讯技术有限公司 | Co-packaged integrated photoelectric module and co-packaged photoelectric exchange chip structure |
| CN113917631B (en) * | 2021-10-20 | 2024-03-01 | 东莞立讯技术有限公司 | Co-packaged integrated photoelectric module and co-packaged photoelectric exchange chip structure |
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Granted publication date: 20111116 Termination date: 20190308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |