CN107070548A - A kind of device and method for automatically adjusting QSFP+ optical module power grades - Google Patents
A kind of device and method for automatically adjusting QSFP+ optical module power grades Download PDFInfo
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- CN107070548A CN107070548A CN201710267043.XA CN201710267043A CN107070548A CN 107070548 A CN107070548 A CN 107070548A CN 201710267043 A CN201710267043 A CN 201710267043A CN 107070548 A CN107070548 A CN 107070548A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
Abstract
The present invention provides a kind of device and method for automatically adjusting QSFP+ optical module power grades, BMC is used as Management Controller, expanding multiple GPIO by PCA9554 using one group of I2C controls QSFP+ MODESEL pin to realize that different QSFP+ optical modules share one group of I2C function, the QSFP+ of GPIO controls simultaneously LPMODE pins according to power consumption informations of the BMC by the I2C optical modules read, can change the state of LPMODE pins in real time.Maximum power dissipation can so be solved needs the trouble of REWORK resistance higher than Level 1, simple and convenient to save man power and material.
Description
Technical field
QSFP+ optical module power is automatically adjusted the present invention relates to QSFP+ optical module field of power regulation, more particularly to one kind
The device and method of grade.
Background technology
In order to meet increasing data exchange, the growing network demand of people is realized, it is necessary to set up more powerful
Data center and Geng Gao the network bandwidth.For data center, bigger demand and too impatient to wait change will be faced.Net
Enriching constantly for network business and developing rapidly for processor technology, gigabit networking increasingly seems awkward, and 40G and 100G
Network turns into a kind of development trend of main flow.
In order to realize the power consumption of monitoring QSFP+ modules, common QSFP+ (Quad Small Form-factor
Pluggable Plus) the Power Level controls of module are to enter battery saving mode by the LPMODE pin of hardware pull-up,
Most low-power consumption product on the market can be so met, but if running into the product for the QSFP+ optical modules having, it is maximum
Power consumption be not low-power consumption (Level 1) level it is necessary to by REWORK resistance change LPMODE state, make it into height
The state of power consumption.But this product also will not the moment all in maximum power consumption state, if we will meet this product
Demand, REWORK resistance are nor best solution.
The content of the invention
In order to solve the above technical problems, the present invention proposes a kind of scheme for automatically adjusting QSFP+ optical module power grades.
In a first aspect, present invention offer is a kind of to automatically adjust the device of QSFP+ optical module power grades, including it is sequentially connected
BMC, GPIO expansion module, multiple QSFP+ optical modules, BMC extended as Management Controller using one group of I2C by GPIO
Module expands multiple GPIO ports, controls different QSFP+ optical modules to share one group of I2C, while controlling QSFP+ by GPIO
Optical module changes QSFP+ optical module power grades in real time according to the power consumption information of the BMC QSFP+ optical modules read.
Further, BMC programs the state for each GPIO that independent control GPIO expansion modules are expanded.
Further, BMC monitors the information of QSFP+ modules by I2C in real time, then controls GPIO to change LPMODE shape
State.
Further, GPIO expansion modules use PCA9554 or PCA9554A chips.
Second aspect, the present invention provides a kind of method for automatically adjusting QSFP+ optical module power grades, it is characterised in that
Including：
SS1：BMC expands the MODESEL pins that multiple GPIO control QSFP+ optical modules by GPIO expansion modules, makes
Obtain different QSFP+ optical modules and share one group of I2C；
SS2：BMC reads the power consumption information of multiple different Q SFP+ optical modules；
SS3：BMC expands multiple GPIO by GPIO expansion modules and controls the LPMODE of different QSFP+ optical modules to draw
Heel changes the shape of the LPMODE pins of the QSFP+ optical modules in real time according to the power consumption information of the BMC QSFP+ optical modules read
State, to change QSFP+ optical module power grades in real time.
Further, BMC is connected to GPIO expansion modules by I2C and expands multiple GPIO, and programming independent control GPIO expands
The state for each GPIO that exhibition module is expanded.
Further, BMC monitors the information of QSFP+ modules by I2C in real time, then controls GPIO to change LPMODE shape
State.
Further, GPIO expansion modules use PCA9554 or PCA9554A chips.
By the solution of the present invention, can solve maximum power dissipation needs the trouble of REWORK resistance higher than Level 1, simply
It is convenient to save man power and material.
Brief description of the drawings
Fig. 1 shows the device block diagram for automatically adjusting QSFP+ optical module power grades of the present invention.
Fig. 2 shows the device detail view for automatically adjusting QSFP+ optical module power grades of the present invention.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Fig. 1 shows the device block diagram for automatically adjusting QSFP+ optical module power grades of the present invention.
As shown in figure 1, the device for automatically adjusting QSFP+ optical module power grades includes the BMC being sequentially connected
(Baseboard Management Controller, baseboard management controller), GPIO (General Purpose I/O
Ports, general input/output port) expansion module, multiple QSFP+ optical modules, BMC is as Management Controller, using one group
I2C expands multiple GPIO ports by GPIO expansion modules, controls different QSFP+ optical modules to share one group of I2C, leads to simultaneously
Crossing GPIO controls QSFP+ optical modules according to power consumption informations of the BMC by the I2C QSFP+ optical modules read, and changes QSFP+ in real time
Optical module power grade.
According to one embodiment of the invention, GPIO expansion modules use PCA9554 or PCA9554A chips.
PCA9554 and PCA9554A are the cmos devices of 16 pin, and they lead to there is provided 8 in I2C/SMBus application
With parallel I/O port (GPIO) extension.
PCA9554/54A comprising 8 configuration register (input or output selection), 8 input registers, 8 it is defeated
Go out register and polarity inversion (high level or low level operation are an effective) register.System master controller is by writing I/O mouthfuls
Corresponding configuration bit activates the input or output of port.The data of each input or delivery outlet be stored in corresponding input/
In output register.The polarity of read register operation is inverted according to polarity inversion content of registers.System master controller can be with
Read the content of all registers.
When any input port state is different from the value of corresponding input port register, in PCA9554/PCA9554A open-drain
Disconnected output is just activated.The interruption can be used to indicate the change of input port state to system master device.Electrification reset will be all
Register default settings simultaneously initializes device state machine.
PCA9554/54A has 3 hardware pins (A0, A1, A2) to realize different fixation I2C addresses, at most allows 8
Device is shared in an I2C/SMBus bus.PCA9554 and PCA554A unique difference are to fix I2C addresses different, this
Sample at most allows 16 devices (each 8 of 9554 and 9554A) to be connected in same I2C/SMBus buses.
Fig. 2 shows the device detail view for automatically adjusting QSFP+ optical module power grades of the present invention.
By taking PCA9554 as an example, as shown in Fig. 2 being connected between BMC and PCA9554 by one group of I2C bus, to transmit
PCA9554_I2C control signals, expand multiple GPIO by PCA9554 and control the MODESEL pins of QSFP+ optical modules to realize
Different QSFP+ optical modules share one group of I2C function.
All QSFP+ modules all have identical I2C addresses, but can be by MOSEL pin and configured, when this
Optical module is not responded to HOST when individual pin states are " 1 ", it is possible to achieve multiple SLAVE share one group of I2C signal.
BMC reads the power consumption information of multiple different Q SFP+ optical modules, and multiple GPIO controls are expanded not by PCA9554
The LPMODE pins of same QSFP+ optical modules are according to the power consumption information of the BMC QSFP+ optical modules read, and changing in real time should
The state of the LPMODE pins of QSFP+ optical modules, to change QSFP+ optical module power grades in real time.
According to one embodiment of the invention, the state for each GPIO that BMC programmings independent control PCA9554 is expanded.
According to one embodiment of the invention, BMC monitors the information of QSFP+ modules by I2C in real time, then controls GPIO to change
Become LPMODE state.
In addition present invention also offers a kind of method for automatically adjusting QSFP+ optical module power grades, comprise the following steps：
SS1：BMC expands the MODESEL pins that multiple GPIO control QSFP+ optical modules by GPIO expansion modules, makes
Obtain different QSFP+ optical modules and share one group of I2C；
SS2：BMC reads the power consumption information of multiple different Q SFP+ optical modules；
SS3：BMC expands multiple GPIO by GPIO expansion modules and controls the LPMODE of different QSFP+ optical modules to draw
Heel changes the shape of the LPMODE pins of the QSFP+ optical modules in real time according to the power consumption information of the BMC QSFP+ optical modules read
State, to change QSFP+ optical module power grades in real time.
According to one embodiment of the invention, GPIO expansion modules use PCA9554 or PCA9554A chips.
According to one embodiment of the invention, BMC is connected to GPIO expansion modules by I2C and expands multiple GPIO, and programming is only
The state for each GPIO that vertical control GPIO expansion modules are expanded.
According to one embodiment of the invention, BMC monitors the information of QSFP+ modules by I2C in real time, then controls GPIO to change
Become LPMODE state.
Can solve maximum power dissipation higher than Level 1 by the solution of the present invention needs the trouble of REWORK resistance, simply
It is convenient to save man power and material.
In addition the present invention has advantages below：
(1) demand of more products is disclosure satisfy that, the trouble that REWORK is caused is reduced
(2) BMC GPIO resources are saved, multiple QSFP+ modules can be controlled.
(3) man power and material caused by REWORK is reduced to waste.
Although in terms of having been described for some in the context of device, it is apparent that these aspects also illustrate that corresponding method
Description, wherein block or apparatus and method for step or the feature of method and step be corresponding.Similarly, in the context of method and step
Described in each side also illustrate that the description of corresponding piece or project or the feature of corresponding intrument.(or use) can be passed through
Hardware unit such as microprocessor, programmable calculator or electronic circuit etc is some or all of in method and step to perform.
Can be performed by such device in most important method and step some or it is multiple.
The realization can using hardware or using software or can use for example floppy disk, DVD, blue light, CD, ROM,
PROM, EPROM, EEPROM's or flash memory etc there is the stored digital for being stored in electronically readable control signal thereon to be situated between
Matter is performed, and the electronically readable control signal coordinates (or with it can coordinate) to perform with programmable computer system
Corresponding method.The data medium with electronically readable control signal can be provided, the electronically readable control signal can be with
Programmable computer system coordinates to perform approach described herein.
The realization can also use the form of the computer program product with program code, work as computer program product
When running on computers, program code is operated to perform this method.Can in machine-readable carrier storage program generation
Code.
Described above be only it is illustrative, and it is to be understood that it is described herein arrangement and details modification and
Change will be apparent to those skilled in the art.It is therefore intended that only by scope of the following claims rather than by
The specific detail that is presented is limited above description and by way of explaining.
Claims (8)
1. a kind of device for automatically adjusting QSFP+ optical module power grades, it is characterised in that including BMC, the GPIO being sequentially connected
Expansion module, multiple QSFP+ optical modules, BMC are expanded as Management Controller using one group of I2C by GPIO expansion modules
Multiple GPIO ports, control different QSFP+ optical modules to share one group of I2C, at the same by GPIO control QSFP+ optical modules according to
The power consumption information for the QSFP+ optical modules that BMC is read, changes QSFP+ optical module power grades in real time.
2. the device according to claim 1 for automatically adjusting QSFP+ optical module power grades, wherein：The independent control of BMC programmings
The state for each GPIO that GPIO expansion modules processed are expanded.
3. the device according to claim 1 for automatically adjusting QSFP+ optical module power grades, wherein：BMC is real by I2C
When monitor QSFP+ modules information, then control GPIO change LPMODE state.
4. the device for automatically adjusting QSFP+ optical module power grades according to claim any one of 1-3, wherein：GPIO
Expansion module uses PCA9554 or PCA9554A chips.
5. a kind of method for automatically adjusting QSFP+ optical module power grades, it is characterised in that including：
SS1：BMC expands the MODESEL pins that multiple GPIO control QSFP+ optical modules by GPIO expansion modules so that no
Same QSFP+ optical modules share one group of I2C；
SS2：BMC reads the power consumption information of multiple different Q SFP+ optical modules；
SS3：BMC expands the LPMODE pin roots that multiple GPIO control different QSFP+ optical modules by GPIO expansion modules
According to the power consumption information of the BMC QSFP+ optical modules read, change the state of the LPMODE pins of the QSFP+ optical modules in real time, with
Change QSFP+ optical module power grades in real time.
6. the method according to claim 5 for automatically adjusting QSFP+ optical module power grades, wherein：BMC is connect by I2C
Multiple GPIO, the state for each GPIO that programming independent control GPIO expansion modules are expanded are expanded to GPIO expansion modules.
7. the method according to claim 5 for automatically adjusting QSFP+ optical module power grades, wherein：BMC is real by I2C
When monitor QSFP+ modules information, then control GPIO change LPMODE state.
8. the method for automatically adjusting QSFP+ optical module power grades according to claim any one of 5-7, wherein：GPIO
Expansion module uses PCA9554 or PCA9554A chips.
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Cited By (5)
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| CN108052465A (en) * | 2017-12-22 | 2018-05-18 | 郑州云海信息技术有限公司 | A kind of QSFP28 optical modes block management method |
| CN109560687A (en) * | 2018-11-30 | 2019-04-02 | 英业达科技有限公司 | It is dynamically adapted the circuit of power supply output |
| CN110121122A (en) * | 2019-05-10 | 2019-08-13 | 南京牛芯微电子有限公司 | A kind of control method and system of optical module |
| CN110445731A (en) * | 2019-07-04 | 2019-11-12 | 苏州浪潮智能科技有限公司 | A kind of method, equipment and the readable medium of interchanger optical module I2C signal multiplexing |
| CN113452538A (en) * | 2020-03-26 | 2021-09-28 | 华为技术有限公司 | Control device, execution device, device management method, and device management system |
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| CN108052465A (en) * | 2017-12-22 | 2018-05-18 | 郑州云海信息技术有限公司 | A kind of QSFP28 optical modes block management method |
| CN109560687A (en) * | 2018-11-30 | 2019-04-02 | 英业达科技有限公司 | It is dynamically adapted the circuit of power supply output |
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| CN113452538A (en) * | 2020-03-26 | 2021-09-28 | 华为技术有限公司 | Control device, execution device, device management method, and device management system |
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Application publication date: 20170818 |