CN207743966U - A kind of SFP encapsulation 100G opto-electronic receiver modules - Google Patents
A kind of SFP encapsulation 100G opto-electronic receiver modules Download PDFInfo
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- CN207743966U CN207743966U CN201721223612.2U CN201721223612U CN207743966U CN 207743966 U CN207743966 U CN 207743966U CN 201721223612 U CN201721223612 U CN 201721223612U CN 207743966 U CN207743966 U CN 207743966U
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Abstract
The utility model proposes a kind of SFP to encapsulate 100G opto-electronic receiver modules, including：Opto-electronic receiver module body, further include the SFP structures of the internal setting opto-electronic receiver module body, it is set to the optical port structure of the SFP structures side, the opto-electronic receiver module body includes the photoelectric conversion unit being sequentially connected, signal processing unit, data interface unit, the photoelectric conversion unit is connected with the optical port structure, the photoelectric conversion unit is used to the optical signal received being converted into electric signal, the signal processing unit is used to handle the electric signal, the data interface unit is used to export to equipment into being about to the electric signal and carry out data.A kind of SFP encapsulation 100G opto-electronic receiver modules for implementing the utility model are small, and Application density is high.
Description
Technical field
The utility model is related to a kind of communication module, more particularly to a kind of SFP encapsulates 100G opto-electronic receiver modules.
Background technology
Currently, the substantially dilatation with operator backbone line bandwidth is promoted, and the quick replacement upgrading of high-speed interface, base
Application requirement cannot be met in the opto-electronic receiver of 10G, 40G interface, 100G interfaces, which develop into trend, to be made so.SFP
（Small Form-factor Pluggables）It is a kind of optoelectronic transceiver module of small-sized encapsulated size, is mainly used in
The encapsulating structure of 10G.The opto-electronic receiver module for being applied to the acquisition shunting of 100G data currently on the market is mainly CFP2, QSFP28
Encapsulation, but the package dimension of the two is still larger, if in the case of same panel size, the quantity used is sealed far below SFP
Product is filled, to cause the overall data process ability under same panel density to be unable to get the configuration of optimization indirectly.
Utility model content
More than solving the problems, such as, the utility model provides a kind of optoelectronic transceivers small, Application density is high.
The utility model discloses a kind of SFP to encapsulate 100G opto-electronic receiver modules, including：Opto-electronic receiver module body, also
The optical port knot that the SFP structures of the opto-electronic receiver module body are set including inside, are set to the SFP structures side
Structure, the opto-electronic receiver module body include the photoelectric conversion unit, signal processing unit, data interface unit being sequentially connected,
The photoelectric conversion unit is connected with the optical port structure, and the photoelectric conversion unit is used to believe the light received
It number is converted into electric signal, the signal processing unit is used to handle the electric signal, and the data interface unit is used for
It is exported into the electric signal progress data for being about to described to equipment.
Further, the photoelectric conversion unit includes：Opto-electronic receiver detector, feedback circuit, is adopted trans-impedance amplifier
Sample circuit and wavelength division multiplexer, wherein the opto-electronic receiver detector completes conversion of the optical signal to electric signal；Described
Trans-impedance amplifier to the electric signal for being amplified shaping；The feedback circuit is used to carry out the optical signal
Feedback forms feedback signal and is input to the sample circuit to correct the sampled value of sample circuit；The wavelength division multiplexer
For the total light received to be carried out partial wave.
Further, the signal processing unit includes microprocessor chip, signal limiter amplifying circuit, sequence circuit,
Wherein, the signal limiter amplifying circuit, sequence circuit are connected with the microprocessor chip, the sequence circuit
On sampling opportunity for controlling the sample circuit, the signal limiter amplifying circuit is for amplifying sampled signal.
Further, the data interface unit include data link receiving unit, I2C communication interfaces, power interface with
And monitoring interface, wherein the data link receiving unit in a manner of four tunnel differential data signals for receiving 100G's
Optical signal；I2C（Inter-Integrated Circuit, inter-integrated circuit）Communication interface is for controlling whether to described
Opto-electronic receiver module body is written and read operation；Power interface to the opto-electronic receiver module body for being powered；Prison
Control interface is used to monitor the quality of the optical signal.
Further, the SFP structures include pedestal, upper cover and fixed part, and the upper cover is for covering described in conjunction
Pedestal, the fixed part is screwed the upper cover and pedestal.
Further, the fixed part further includes concave-convex bayonet, for plugging optical fiber.
Further, the optical port structure includes optical port, and the optical port is in coaxial direction with extraneous plug optical fiber.
Further, the optical signal of the 100G can be divided into the differential signal of the data link of four road 25G.
A kind of SFP for implementing the utility model encapsulates 100G opto-electronic receiver modules, has technique effect beneficial below：
It is big that middle opto-electronic receiver module opto-electronic receiver module closed volume is different from the prior art, causes at same mainboard data
The not high deficiency of reason ability, the technical program use SFP（Small Form-factor Pluggables）Encapsulation, SFP modules
Volume ratio GBIC modules reduce half, can be configured on identical panel and have more one times or more of port number, 100G photoelectricity
It is small to receive miniaturization module, Application density height, low in energy consumption, perfect heat-dissipating；The reception of 100G optical signals can be completed, is received
High sensitivity, performance are stablized.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the functions of modules figure that a kind of SFP of the utility model embodiment encapsulates 100G opto-electronic receiver modules；
Fig. 2 is that data interface unit arranges pin definition figure up and down in the utility model Fig. 1.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, the embodiments of the present invention, a kind of SFP encapsulation 100G opto-electronic receivers module 1, including：
Opto-electronic receiver module body 10 further includes the SFP structures 20 of internal setting opto-electronic receiver module body 10, is set to SFP structures
The optical port structure 30 of 20 sides, opto-electronic receiver module body 10 include photoelectric conversion unit 11, the signal processing list being sequentially connected
Member 12, data interface unit 13, photoelectric conversion unit 11 are connected with optical port structure 30, and photoelectric conversion unit 11 will be for that will receive
To optical signal be converted into electric signal, for handling electric signal, data interface unit 13 is used for into being about to signal processing unit 12
Electric signal carries out data and exports to equipment.
Since in industry, SFP module volume ratio GBIC modules reduce half, can be configured on identical panel and have more one
Times or more port number, the module that can be inserted on same pcb board is more, and the data volume of processing is bigger, and processing capacity rises.
Photoelectric conversion unit 11 includes：Opto-electronic receiver detector, trans-impedance amplifier, feedback circuit, sample circuit and wave
Division multiplexer, wherein opto-electronic receiver detector completes conversion of the optical signal to electric signal；Trans-impedance amplifier be used for electric signal into
Row amplification shaping；Feedback circuit forms feedback signal and is input to sample circuit to correct sampling for being fed back to optical signal
The sampled value of circuit；Wavelength division multiplexer is used to the total light received carrying out partial wave.
Photoelectric conversion unit 11 include 4 road opto-electronic receiver detectors, 4 road trans-impedance amplifiers, feedback circuit, sample circuit and
Wavelength division multiplexer.
Wavelength division multiplexer by the total light received carry out partial wave, decompositions wavelength representative value be 1295.56nm, 1300.05nm,
1304.58nm、1309.14nm；Wave-length coverage meet agreement provide 1294.53 ~ 1296.59nm, 1299.02 ~ 1301.09nm,
1303.54~1305.63nm、1308.09~1310.19nm。
No. 4 photodetectors complete conversion of the optical signal to electric signal, and have quick AGC detections, ensure receptivity
Stability, while the light of minimum -15dBM can be detected, ensure highly sensitive receive.
The current signal that 4 road trans-impedance amplifiers convert detector is amplified shaping, forms voltage signal, send to rear end
Data signal processing unit.
Feedback circuit will convert the light of reception, and controlling signal processing unit for rear end provides original sampled value.
Opto-electronic receiver detector includes the photodiode array for receiving optical signal, what photodiode array was correspondingly connected with
Across resistance/limiting amplifier, the optical signal that fibre ribbon transmits is coupled on photodiode array by light engine, two pole of photoelectricity
Pipe array converts optical signals to electric signal, be transmitted to be correspondingly connected with across resistance/limiting amplifier, and be converted to difference letter
Number, it is transmitted to after feedback circuit, sample circuit and wavelength division multiplexer to mainboard.
Signal processing unit 12 includes microprocessor chip, signal limiter amplifying circuit, sequence circuit, wherein signal limits
Width amplifying circuit, sequence circuit are connected with microprocessor chip, and sequence circuit is used to control the sampling opportunity of sample circuit, letter
Number amplitude limiting amplifier circuit is for amplifying sampled signal.
Signal processing unit 12 includes data signal processing circuit and control signal processing circuit.
Wherein, data signal processing circuit includes EQ, LA, CDR, Driver.
EQ refers to data balancing, and the input stage in each channel includes continuous time linear equalization, and it is linear can to carry out 0-12dB
Well-balanced adjustment；
LA refers to signal limiter amplification, and the function that cutter adjusts for clip level, clip level adjustment is for compensating direct current electricity
The input signal of flat any offset, clip level adjust voltage range and can be programmed within the scope of ± 200mV；
CDR refers to clock and data recovery, the characteristics of according to data-signal, finds the optimal clock phase of sampled data,
Data are made to restore reliable and stable；
Driver refers to output driver, has 200mVppd to the driving capability of 1100mVppd ranges.
Signal processing circuit is controlled mainly by MCU（(Microcontroller Unit, micro-control unit) is built, control
Signal processing circuit is mainly sampled by internal signal, and algorithm, which calculates, to be realized, can realize supply voltage, temperature, received optical power
Real time monitoring and police instruction.And register configuration is carried out to data signal processing unit by internal I2C communications, it adjusts each
Item important parameter, makes data-signal reach optimization process effect.
Data interface unit 13 includes data link receiving unit, I2C communication interfaces, power interface and monitors interface,
Wherein, data link receiving unit is used to receive the optical signal of 100G in a manner of four tunnel differential data signals；I2C communication interfaces
For controlling whether to be written and read operation to opto-electronic receiver module body；Power interface is used to carry out to opto-electronic receiver module body
Power supply；Monitoring interface is used to monitor the size of optical signal.
As shown in Fig. 2, wherein 4 road 25G data link are differential signal, including L0_RX- and L0_RX+, L1_RX- and L1_
RX+, L2_RX- and L2_RX+, L3_RX- and L3_RX+.
I2C communication interfaces are made of M_SEL, SDA, SCL, and wherein M_SEL is that piece is elected to be use, when M_SEL is low level,
Module then responds I2C buses, allows to carry out I2C read-write operations to module, and when M_SEL is high level, module is then not responding to I2C
Bus does not allow to carry out I2C read-write operations to module；SDA is I2C data lines, and SCL is I2C clock lines, total fully according to I2C
Wire protocol specification is designed.
Pin2 and pin9 is VCC, pin1, pin10, pin11, pin20 GND in power interface, and design can support every pin
The tolerance of electric current 1A, it is ensured that the stable power-supplying of integral module.
It includes RX_LOS, LOL, M_ABS to monitor interface.Wherein M_ABS functions are that module detects in place, when module is in place
Low level is exported, when vacancy exports high level, and system board need to pull up 10K resistance, this function is more convenient for user monitoring panel upper mold
The usage quantity of block；RX_LOS is that module optical power alarming indicates function, when input light is too small, exceeds setting value, then generates
High level output is alerted, user is prompted to need to increase luminous power；LOL indicates for signal losing lock, then can when signal quality is too poor
High level output is generated, user is prompted to detect signal quality.
SFP structures 20 include pedestal, upper cover and fixed part, and upper cover closes pedestal for covering, and fixed part is screwed
Upper cover and pedestal.
Fixed part further includes concave-convex bayonet, for plugging optical fiber.
Optical port structure 30 includes optical port, and optical port is in coaxial direction with extraneous plug optical fiber.
Structural unit includes the SFP structures and optical port structure of miniaturization.
The SFP structures of miniaturization include pedestal, upper cover, fixing device, tripper.
Pedestal and upper cover provide assembly support for product, and design carries out interior step distribution according to product layout, reaches most
Good heat dissipation performance；
The concave-convex bayonet of fixing device sampling and 2 screws are fixed, and simplify production operation.
Tripper samples lever mode, the plug operation being more convenient in actual use.
Optical port structure is designed by precise treatment, it is ensured that optical port is in coaxial direction with extraneous plug optical fiber, ensures light most
Limits receive.
The optical signal of 100G can be divided into the differential signal of the data link of four road 25G.
The course of work of this SFP encapsulation 100G opto-electronic receivers module 1 is：
100G opto-electronic receivers minimize module by the optical port structure in structural unit into the reception of traveling optical signal, at this time
Optical signal is total light that distal end transmits, and total light includes 4 signal paths L0, L1, L2, L3.Total light is arrived by optical port structure
Up to the wavelength division multiplexer of photoelectric conversion unit, wavelength division multiplexer carries out partial wave to total light, by the corresponding decomposition respectively of 4 signal paths
To No. 4 photodetectors, 4 road wavelength of optical signal correspond to L0 respectively for output：1295.56nm、L1：1300.05nm、L2：
1304.58nm、L3：1309.14nm.Optical signal is switched to electric signal by No. 4 photodetectors, by across resistance amplification output to data
Signal processing unit.Feedback circuit of photoelectric conversion unit will carry out mirror image to the luminous power received and feed back to control during this
Signal processing unit provides information support for monitoring in real time.Data signal processing unit is equally also corresponding 4 tunnel, 4 ways
After carrying out respective handling according to signal processing unit via EQ, LA, CDR, Driver ..., 4 circuit-switched data signals correspond to number respectively
According to interface unit, signal output is carried out, 4 circuit-switched data signals are differential signal, and differential impedance control requires to be 100 ohm.Number
It is docked with application apparatus according to interface unit, the data that equipment is transmitted by data-interface then complete the reception transmission process of signal.
In this course, control signal processing unit is monitored each process, while by register configuration, ensureing entire module
Reliability in the course of work.
A kind of SFP for implementing the utility model encapsulates 100G opto-electronic receiver modules, has technique effect beneficial below：
It is big that middle opto-electronic receiver module opto-electronic receiver module closed volume is different from the prior art, causes at same mainboard data
The not high deficiency of reason ability, the technical program use SFP（Small Form-factor Pluggables）Encapsulation, 100G light
Electricity reception miniaturization module is small, and Application density is high, low in energy consumption, perfect heat-dissipating；
The reception of 100G optical signals can be completed, receiving sensitivity is high, and performance is stablized；
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of SFP encapsulates 100G opto-electronic receiver modules, including：Opto-electronic receiver module body, which is characterized in that further include inside
The optical port structure that the SFP structures of the opto-electronic receiver module body are set, are set to the SFP structures side, the light
Electric receiving module ontology includes the photoelectric conversion unit, signal processing unit, data interface unit being sequentially connected, the photoelectricity
Converting unit is connected with the optical port structure, and the photoelectric conversion unit is used to the optical signal received being converted into electricity
Signal, the signal processing unit are used to handle the electric signal, and the data interface unit is used for described into being about to
Electric signal carry out data export to equipment.
2. SFP according to claim 1 encapsulates 100G opto-electronic receiver modules, which is characterized in that the opto-electronic conversion list
Member includes：Opto-electronic receiver detector, trans-impedance amplifier, feedback circuit, sample circuit and wavelength division multiplexer, wherein described
Opto-electronic receiver detector completes conversion of the optical signal to electric signal；The trans-impedance amplifier is used to carry out the electric signal
Amplify shaping；The feedback circuit forms feedback signal and is input to described adopt for being fed back to the optical signal
Sample circuit is to correct the sampled value of sample circuit；The wavelength division multiplexer is used to the total light received carrying out partial wave.
3. SFP according to claim 2 encapsulates 100G opto-electronic receiver modules, which is characterized in that the signal processing unit
Including microprocessor chip, signal limiter amplifying circuit, sequence circuit, wherein the signal limiter amplifying circuit, sequential electricity
Microprocessor chip described in Lu Junyu is connected, and the sequence circuit is used to control the sampling opportunity of the sample circuit,
The signal limiter amplifying circuit is for amplifying sampled signal.
4. SFP according to claim 1 encapsulates 100G opto-electronic receiver modules, which is characterized in that the data interface unit
Including data link receiving unit, I2C communication interfaces, power interface and monitoring interface, wherein the data link receives
Unit is used to receive the optical signal of 100G in a manner of four tunnel differential data signals；I2C communication interfaces are for controlling whether to institute
The opto-electronic receiver module body stated is written and read operation；Power interface to the opto-electronic receiver module body for being supplied
Electricity；Monitoring interface is used to monitor the quality of the optical signal.
5. SFP according to claim 1 encapsulates 100G opto-electronic receiver modules, which is characterized in that the SFP structures include
Pedestal, upper cover and fixed part, the upper cover, which is used to cover, closes the pedestal, and the fixed part is screwed described
Upper cover and pedestal.
6. SFP according to claim 5 encapsulates 100G opto-electronic receiver modules, which is characterized in that the fixed part also wraps
Concave-convex bayonet is included, for plugging optical fiber.
7. SFP according to claim 5 encapsulates 100G opto-electronic receiver modules, which is characterized in that the optical port structure packet
Optical port is included, the optical port is in coaxial direction with extraneous plug optical fiber.
8. SFP according to claim 4 encapsulates 100G opto-electronic receiver modules, which is characterized in that the light of the 100G is believed
It number can be divided into the differential signal of the data link of four road 25G.
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| CN201721223612.2U CN207743966U (en) | 2017-09-22 | 2017-09-22 | A kind of SFP encapsulation 100G opto-electronic receiver modules |
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| CN201721223612.2U CN207743966U (en) | 2017-09-22 | 2017-09-22 | A kind of SFP encapsulation 100G opto-electronic receiver modules |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217922A (en) * | 2018-09-25 | 2019-01-15 | 东莞铭普光磁股份有限公司 | A kind of method and device that optical module reports Received Loss Of Signal to alert |
| CN109547114A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | A kind of SFP encapsulation 100G opto-electronic receiver module |
-
2017
- 2017-09-22 CN CN201721223612.2U patent/CN207743966U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547114A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | A kind of SFP encapsulation 100G opto-electronic receiver module |
| CN109217922A (en) * | 2018-09-25 | 2019-01-15 | 东莞铭普光磁股份有限公司 | A kind of method and device that optical module reports Received Loss Of Signal to alert |
| CN109217922B (en) * | 2018-09-25 | 2020-06-09 | 东莞铭普光磁股份有限公司 | Method and device for reporting loss alarm of received signal by optical module |
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Effective date of registration: 20230519 Address after: Room 402, building 2, colorful science and Technology City, No. 5, Guanle Road, Luhu community, Guanhu street, Longhua District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen oulingke Communication Technology Co.,Ltd. Address before: 518000, 4th Floor, Building A14, Silicon Valley Power Qinghu Park, Qinghu Community, Longhua Street, Longhua New District, Shenzhen City, Guangdong Province (Property Rights: 5th Floor, Building 1, Qinghu Industrial City Factory) Patentee before: SHENZHEN OLINKPHOTONICS Inc.,Ltd. |