CN106877937A - A kind of optical module based on the transmission of SFP+ middle and long distances - Google Patents
A kind of optical module based on the transmission of SFP+ middle and long distances Download PDFInfo
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- CN106877937A CN106877937A CN201710248458.2A CN201710248458A CN106877937A CN 106877937 A CN106877937 A CN 106877937A CN 201710248458 A CN201710248458 A CN 201710248458A CN 106877937 A CN106877937 A CN 106877937A
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- optical module
- sfp
- long distances
- housing
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- 230000003287 optical effect Effects 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000007689 inspection Methods 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 4
- 230000036760 body temperature Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- VTGARNNDLOTBET-UHFFFAOYSA-N gallium antimonide Chemical compound [Sb]#[Ga] VTGARNNDLOTBET-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
Abstract
The present invention relates to a kind of optical module based on the transmission of SFP+ middle and long distances, the optical module includes：Housing, is provided with light emission component, light-receiving component, circuit chip and MCU controllers in the housing, drive circuit and amplitude limiting amplifier circuit are integrated with the circuit chip, and the light-receiving component includes：Photodiode and trans-impedance amplifier；Self-checking unit is additionally provided with the housing, the self-checking unit includes self-inspection data generating means and data sink.Self-checking unit is set in optical module, self-inspection data is generated by self-checking unit, light emission component and light-receiving component carry out the self-inspection data after a data transfer is transmitted, then the self-inspection data after self-inspection data and transmission is compared by MCU controllers, the Loss Rate of analyze data, allows user effectively to confirm the state of the optical module.
Description
Technical field
The present invention relates to optical module receive-transmit system, more particularly to a kind of optical module based on the transmission of SFP+ middle and long distances.
Background technology
Existing 10G SFP+ long ranges module is all the 1550nm refrigeration using costly Japan or imported from America
Type laser, the scheme of laser driving circuit is also the cost special drive circuit of refrigeration mode laser higher.And light
When in use, user cannot judge the fine or not degree of the optical module to module, if lost in data transmission procedure, user also cannot
Confirm in time, and data of the trans-impedance amplifier to receiving commonly used in existing light-receiving component and is amplified in advance,
The sensitivity of the data reception component of common TIA encapsulation typically only has -15dBm, and the sensitivity of data reception component is higher,
The data for receiving are more complete.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of optical module based on the transmission of SFP+ middle and long distances, solve existing
User cannot judge the low problem of optical module transmitting, the sensitivity of the quality and data reception component of reception data in having technology.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of optical mode based on the transmission of SFP+ middle and long distances
Block, including：Housing, is provided with light emission component, light-receiving component, circuit chip and MCU controllers, the electricity in the housing
Drive circuit and amplitude limiting amplifier circuit are integrated with the chip of road, the light-receiving component includes：Photodiode and super across resistance
Amplifier；Self-checking unit is additionally provided with the housing, the self-checking unit includes self-inspection data generating means and data receiver
Device；The self-inspection data generating means, the drive circuit and light emission component are sequentially connected；The photodiode, institute
Super trans-impedance amplifier, the limiting amplifier and the data sink is stated to be sequentially connected；The MCU controllers with it is described
Circuit chip, self-inspection data generating means and data sink are connected respectively.
The beneficial effects of the invention are as follows：Self-checking unit is set in optical module, self-inspection data, light are generated by self-checking unit
Emitting module and light-receiving component carry out the self-inspection data after a data transfer is transmitted, then by self-inspection data and transmission
Self-inspection data afterwards is compared by MCU controllers, the Loss Rate of analyze data, allow user according to specific numerical value come
Confirm the state of the optical module, and super trans-impedance amplifier is set in light-receiving component, be compared to prior art effective
The sensitivity that improve light-receiving component.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the light emission component includes：Distributed Feedback Laser；The drive circuit is Distributed Feedback Laser drive circuit.
Beneficial effect using above-mentioned further scheme is：Replaced now being swashed with costly 1550EML with Distributed Feedback Laser
Light device, and Distributed Feedback Laser drive circuit is supported the use, consumption is reduced, the reduces cost in the case where transmission range is ensured.
Further, the MCU controllers are connected by I2C data/address bus with the circuit chip.
Beneficial effect using above-mentioned further scheme is：MCU controllers control and change to be deposited in circuit chip chip
The value of device, the underlying parameter of integrated each circuit in circuit chip is set by changing the different value of circuit chip register
Value.
Further, the circuit chip is GN1157 chips.
Further, the MCU controllers are F396 chips.
Further, the surface of shell is additionally provided with display, and the display is connected with the MCU controllers.
Beneficial effect using above-mentioned further scheme is：When user carries out self-inspection to optical module of the present invention, by institute
State display and the analysis of MCU controllers is judged that the data loss rate for drawing shows that in a display device user can intuitively see
To specific data.
Further, storage device is additionally provided with the housing, the storage device is connected with the MCU controllers.
Beneficial effect using above-mentioned further scheme is：Storage device is set by MCU controllers to self-inspection data and biography
The result that self-inspection data analysis after defeated draws is stored, and is that user provides optical module transmitting procedure in follow-up work
Historic state information.
Further, it is additionally provided with temperature sensor and temperature control equipment in the housing, it is the temperature sensor, described
MCU controllers and the temperature control equipment are sequentially connected electrically.
Beneficial effect using above-mentioned further scheme is：Temperature sensor is set in housing, in real-time detection housing
Temperature conditions, and by real time temperature data is activation to MCU controllers, when real time temperature data exceed preset temperature value, control
Temperature control equipment processed is controlled to shell body temperature, prevents the working condition of the too high influence all parts of shell body temperature.
Brief description of the drawings
Fig. 1 is a kind of optical module structure schematic diagram based on the transmission of SFP+ middle and long distances provided in an embodiment of the present invention；
MCU controls in a kind of optical module based on the transmission of SFP+ middle and long distances that Fig. 2 is provided for another embodiment of the present invention
Device and circuit chip connection diagram；
Fig. 3 illustrates for a kind of optical module structure based on the transmission of SFP+ middle and long distances that another embodiment of the present invention is provided
Figure；
TEMP in a kind of optical module based on the transmission of SFP+ middle and long distances that Fig. 4 is provided for another embodiment of the present invention
Device, MCU controllers and temperature control equipment connection diagram.
Specific embodiment
Principle of the invention and feature are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
As shown in figure 1, a kind of optical module based on the transmission of SFP+ middle and long distances, including：Housing, is provided with light hair in housing
Component, light-receiving component, circuit chip and MCU controllers are penetrated, drive circuit and amplitude limiting amplifier circuit are integrated with circuit chip,
Light-receiving component includes：Photodiode and super trans-impedance amplifier；Self-checking unit is additionally provided with housing, self-checking unit includes
Self-inspection data generating means and data sink；Self-inspection data generating means, drive circuit and light emission component are sequentially connected；
Photodiode, super trans-impedance amplifier, limiting amplifier and data sink are sequentially connected；MCU controllers and circuit core
Piece, self-inspection data generating means and data sink are connected respectively.
In above-described embodiment, the optical module purpose of design is by smaller volume and lower cost, there is provided higher
Density is accessed, it is final to improve user's access capacity.SFP is typically only applied to below 2.5Gbit/s speed, so SFP+ is SFP
In the new application in 10,000,000,000 fields.It is also the definition of 20PIN pin, using complete in structure as wherein SFP+ with SFP packing forms are
Metal shell, using double LC interfaces in optical-fibre channel, compatible SFF-8472 agreements meet MSA SFP+ standards, connect with host computer
The golden finger interface of connection interface meets SFF-8431 associations and IEEE 802.3ae standards；Support view 9.95 to the bit of 10.3Gb/s
Rate, the optical module mainly includes circuit part and light transmitting, receiving unit, and circuit part uses a single-chip microprocessor MCU controller
Constituted with a circuit chip, be by the amplitude limit of the drive circuit of light emission component and light-receiving component using circuit chip advantage
The chip of the transmitting-receiving unification that amplifying circuit is integrated, cost can be substantially reduced compared with independent chip is received and dispatched, and
Self-checking unit, self-inspection data generating means generation self-inspection data, by light emission component and light-receiving group are set in optical module
Part carries out the self-inspection data after a data transfer is transmitted, and data sink receives the transmission of the self-inspection data after the transmission
To MCU controllers, MCU controllers compare self-inspection data and be transmitted across after self-inspection data, analyze the Loss Rate of self-inspection data, make
User can effectively confirm the state of the optical module.
Preferably, light emission component includes：Distributed Feedback Laser；Drive circuit is Distributed Feedback Laser drive circuit；Distributed Feedback Laser
That is distributed feedback laser, it has been a difference in that Bragg grating built-in, belongs to the semiconductor laser of side-emitted.Mesh
Before, Distributed Feedback Laser mainly with semi-conducting material as medium, including gallium antimonide, GaAs, indium phosphide, zinc sulphide etc..DFB laser
Device maximum feature is that, with extraordinary monochromaticjty, its line width can generally accomplish within 1MHz, and with very high
Side mode suppression ratio, up to more than 40-50dB, is replaced now with costly 1550EML lasers with Distributed Feedback Laser at present,
And Distributed Feedback Laser drive circuit is supported the use, consumption is reduced, the reduces cost in the case where transmission range is ensured.
Preferably, circuit chip is GN1157 chips；MCU controllers are F396 chips, and circuit chip scheme is used
The GN1157 chips of Gennum companies, the chip is will to launch the transmitting-receiving unification driven together with integrated chip is put after receiving
Chip, cost can be substantially reduced compared with the independent chip of the transmitting-receiving of external some module manufacturers；Match somebody with somebody on circuit simultaneously
One MCU controller, MCU controllers use the F396 chips of Silicon labs companies, as shown in Fig. 2 MCU controllers pass through
I2C data/address bus controls and changes the value of optical module circuit chip register, different by changing circuit chip register
Value debugs the required parameter of transmitting terminal light path and receiving terminal light path.
As shown in Figure 3, it is preferred that surface of shell is additionally provided with display, display is connected with MCU controllers, by aobvious
Show that each item data in the optical module is shown that the data of display include by device：Distributed Feedback Laser transmitting laser bias current and
The laser optical power and light-receiving component that modulation electric current, light-receiving component are received cannot receive the loss warning shown during laser
When carrying out self-inspection with user, MCU controllers are analyzed by the data loss rate for judging to draw by display.
Preferably, storage device is additionally provided with housing, storage device is connected with MCU controllers, by the analysis of MCU controllers
The data loss rate that judgement draws is stored, and facilitates user to be checked in follow-up work, understands the optical module course of work
In particular state.
As shown in Figure 4, it is preferred that temperature sensor, temperature sensor and MCU controllers are additionally provided with housing electric successively
Connection, MCU controllers are connected with self-inspection temperature control equipment, and inventive shell internal temperature, MCU are gathered using temperature sensor
Controller according to the mode of operation of temperature setting temperature control equipment, so as to stabilize the temperature of enclosure interior, laser works
Easily occur the situation of heating under state, shell body temperature is controlled, so as to obtain the laser signal of wavelength stabilization.
Above self-inspection is only presently preferred embodiments of the present invention, is not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. it is a kind of based on SFP+ middle and long distances transmission optical module, including：Housing, it is characterised in that be provided with the housing
Light emission component, light-receiving component, circuit chip and MCU controllers, are integrated with drive circuit and amplitude limit in the circuit chip
Amplifying circuit, the light-receiving component includes：Photodiode and trans-impedance amplifier；Self-inspection dress is additionally provided with the housing
Put, the self-checking unit includes self-inspection data generating means and data sink；The self-inspection data generating means, the drive
Dynamic circuit and light emission component are sequentially connected；The photodiode, the trans-impedance amplifier, the limiting amplifier and described
Data sink is sequentially connected；The MCU controllers are filled with the circuit chip, self-inspection data generating means and data receiver
Put and connect respectively.
2. a kind of optical module based on the transmission of SFP+ middle and long distances according to claim 1, it is characterised in that light hair
Penetrating component includes：Distributed Feedback Laser；The drive circuit is Distributed Feedback Laser drive circuit.
3. it is according to claim 1 it is a kind of based on SFP+ middle and long distances transmission optical module, it is characterised in that the MCU
Controller is connected by I2C data/address bus with the circuit chip.
4. it is according to claim 1 it is a kind of based on SFP+ middle and long distances transmission optical module, it is characterised in that the circuit
Chip is GN1157 chips.
5. it is according to claim 1 it is a kind of based on SFP+ middle and long distances transmission optical module, it is characterised in that the MCU
Controller is F396 chips.
6. it is according to claim 1 it is a kind of based on SFP+ middle and long distances transmission optical module, it is characterised in that the housing
Surface is additionally provided with display, and the display is connected with the MCU controllers.
7. it is according to claim 1 it is a kind of based on SFP+ middle and long distances transmission optical module, it is characterised in that the housing
Storage device is inside additionally provided with, the storage device is connected with the MCU controllers.
8. a kind of optical module based on the transmission of SFP+ middle and long distances according to any one of claim 1-7, its feature exists
In being additionally provided with temperature sensor and temperature control equipment, the temperature sensor, the MCU controllers, institute in the housing
Temperature control equipment is stated to be sequentially connected electrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248458.2A CN106877937B (en) | 2017-04-17 | 2017-04-17 | Optical module based on SFP+ medium-long distance transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248458.2A CN106877937B (en) | 2017-04-17 | 2017-04-17 | Optical module based on SFP+ medium-long distance transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106877937A true CN106877937A (en) | 2017-06-20 |
| CN106877937B CN106877937B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710248458.2A Active CN106877937B (en) | 2017-04-17 | 2017-04-17 | Optical module based on SFP+ medium-long distance transmission |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185247A (en) * | 2005-03-07 | 2008-05-21 | 菲尼萨公司 | XFP Transceiver with 8.5G CDR Bypass |
| CN101594192A (en) * | 2009-06-19 | 2009-12-02 | 中兴通讯股份有限公司 | Online fault detection method and device for signal processing equipment and optical interface board |
| CN101814947A (en) * | 2010-03-19 | 2010-08-25 | 苏州旭创科技有限公司 | Novel method for designing 6G 2km SFP optical module |
| CN102231651A (en) * | 2011-06-14 | 2011-11-02 | 苏州旭创科技有限公司 | Low-power consumption 10G 40km SFP+ optical module of temperature-control type |
| CN102255656A (en) * | 2011-06-16 | 2011-11-23 | 成都新易盛通信技术有限公司 | Optical network unit for passive optical network and signal processing method thereof |
| CN203166928U (en) * | 2013-04-24 | 2013-08-28 | 深圳市极致兴通科技有限公司 | Two-way optical transmit-receive one-piece module based on SFP encapsulation |
| CN206820759U (en) * | 2017-04-17 | 2017-12-29 | 武汉飞鹏光科技有限公司 | A kind of optical module based on the transmission of SFP+ middle and long distances |
-
2017
- 2017-04-17 CN CN201710248458.2A patent/CN106877937B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185247A (en) * | 2005-03-07 | 2008-05-21 | 菲尼萨公司 | XFP Transceiver with 8.5G CDR Bypass |
| CN101594192A (en) * | 2009-06-19 | 2009-12-02 | 中兴通讯股份有限公司 | Online fault detection method and device for signal processing equipment and optical interface board |
| CN101814947A (en) * | 2010-03-19 | 2010-08-25 | 苏州旭创科技有限公司 | Novel method for designing 6G 2km SFP optical module |
| CN102231651A (en) * | 2011-06-14 | 2011-11-02 | 苏州旭创科技有限公司 | Low-power consumption 10G 40km SFP+ optical module of temperature-control type |
| CN102255656A (en) * | 2011-06-16 | 2011-11-23 | 成都新易盛通信技术有限公司 | Optical network unit for passive optical network and signal processing method thereof |
| CN203166928U (en) * | 2013-04-24 | 2013-08-28 | 深圳市极致兴通科技有限公司 | Two-way optical transmit-receive one-piece module based on SFP encapsulation |
| CN206820759U (en) * | 2017-04-17 | 2017-12-29 | 武汉飞鹏光科技有限公司 | A kind of optical module based on the transmission of SFP+ middle and long distances |
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| CN106877937B (en) | 2024-10-11 |
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