CN105743583B - A kind of method and optical module adjusting optical power - Google Patents
A kind of method and optical module adjusting optical power Download PDFInfo
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- CN105743583B CN105743583B CN201410749417.8A CN201410749417A CN105743583B CN 105743583 B CN105743583 B CN 105743583B CN 201410749417 A CN201410749417 A CN 201410749417A CN 105743583 B CN105743583 B CN 105743583B
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Abstract
The present invention relates to optical signal transmission fields, disclose a kind of method and optical module for adjusting optical power, and in this scenario, the first optical module obtains the optical power for the optical signal that the second optical module received is sent；First optical module generates the back information for being used to indicate the attenuator of the second optical module side of adjustment according to the optical power of the optical signal got；Attenuator can adjust the optical power for the optical signal that the second optical module that the first optical module receives is sent after being adjusted；The back information of generation is back to the second optical module by the first optical module, in this way, optical power there is no need to the optical signal for manually going the first optical module of acquisition to receive to scene, adjustment attenuator is removed to scene again, therefore, the existing lower defect of efficiency during the optical power of optical signal that adjustment optical module receives in the prior art is solved.
Description
Technical field
The present invention relates to optical signal transmission field, in particular to a kind of method and optical module for adjusting optical power.
Background technique
With the continuous development of science and technology, electronic technology has also obtained development at full speed, and the type of electronic product is also got over
Come more, people have also enjoyed the various conveniences of development in science and technology bring.Present people can be enjoyed by various types of equipment
It is comfortably lived by with development in science and technology bring.For example, Fibre Optical Communication Technology declines because of its huge transmission capacity, extremely low transmission
The advantages that consumption, electromagnetism interference, channel interference be small and good confidentiality becomes one of current main information transmission technology, pole
The earth has pushed the development of advanced information society.
Optical module (English: optical module) is the chief component in Fibre Optical Communication Technology, and optical module can
Optical signal is received and dispatched as optical interface, is docked with the tail optical fiber of optical fiber.Figure 1A is the structural schematic diagram of optical module in the prior art.Its
In, Figure 1A includes light emission component (English: transmitter optical subassembly, abbreviation: TOSA) and light-receiving
The structural schematic diagram of the optical module of component (English: receiver optical subassembly, abbreviation: ROSA).
It in the prior art, is by the optical mode on two network equipments when being transmitted between two network equipments by optical fiber
Block realizes communication, then, during installation, first by the light emission component of the optical module on a network equipment and optical fiber phase
Even, light-receiving component is connected with optical fiber, then, then by the light emission component of the optical module on another network equipment and optical fiber phase
Even, light-receiving component is connected with optical fiber, forms two fibre circuits.
In order to guarantee that the light-receiving component of optical module B receives the function of the optical signal of the light emission component transmitting of optical module A
Rate in a certain range, will install optical attenuator 1 on fibre circuit A, similarly, in order to guarantee the light-receiving group of optical module A
Part receives the power of the optical signal of the light emission component transmitting of optical module B in a certain range, to pacify on fibre circuit B
Optical attenuator 2 is filled, as shown in Figure 1B.
Currently, if first install the optical module A in Figure 1B, then the optical module B in installation diagram 1B, at this point, pre-acquiring light
The optical power that the light-receiving component of modules A receives manually can only go to measure the optical power of optical module A received in scene, if
It was found that the power for the optical signal that the light-receiving component of optical module A receives not in a certain range when, then manually adjust correspondence
Optical attenuator, in this way, just being deposited during adjusting light receiving power if when the distance between optical module A and optical module B are longer
In the defect of inefficiency.
Summary of the invention
The embodiment of the present invention provides a kind of method and optical module for adjusting optical power, adjusts light in the prior art to solve
The existing lower defect of efficiency during the optical power for the optical signal that module receives.
Specific technical solution provided in an embodiment of the present invention is as follows:
In a first aspect, providing a kind of method for adjusting optical power, comprising:
First optical module obtains the optical power for the optical signal that the second optical module received is sent；
For first optical module according to the optical power of the optical signal got, generation, which is used to indicate, adjusts second optical mode
The back information of the attenuator of block side；
The attenuator can adjust second optical module that first optical module receives after being adjusted and send
Optical signal optical power；
The back information of generation is back to second optical module by first optical module.
With reference to first aspect, in the first possible implementation, the first optical module generation is used to indicate adjustment
The back information of the attenuator of second optical module side, comprising:
The optical power for the optical signal received that first optical module will acquire, as being used to indicate adjustment described the
The back information of the attenuator of two optical module sides；Or
First optical module is generated when determining that the optical power got does not meet preset condition according to the optical power
It is used to indicate the back information of the attenuator of the second optical module side of adjustment.
Second aspect provides a kind of method for adjusting optical power, comprising:
Second optical module sends optical signal to the first optical module；
Second optical module receive it is that first optical module is generated and is returned according to the optical power, be used to indicate tune
The back information of the attenuator of whole second optical module side；
The attenuator can adjust second optical module that first optical module receives after being adjusted and send
Optical signal optical power.
In conjunction with second aspect, in the first possible implementation, second optical module receives the passback letter
After breath, further includes:
Second optical module adjusts the attenuator of second optical module side according to the back information；Or
Second optical module notifies the back information received.
In conjunction with the first possible implementation of second aspect, in the second possible implementation, described second
The back information that optical module receives is the light for the optical signal that second optical module that first optical module receives is sent
Power；
Second optical module before the attenuator for adjusting second optical module side, is also wrapped according to the back information
It includes:
Second optical module determines that the optical power for the optical signal that first optical module receives does not meet preset condition.
In conjunction with second of possible implementation of second aspect, in the third possible implementation, described second
Optical module determines that the optical power for the optical signal that first optical module receives does not meet preset condition, specifically includes:
Second optical module determines that the optical power for the optical signal that first optical module receives is greater than default optical power
Threshold value；
Second optical module adjusts the attenuator of second optical module side according to optical power, comprising:
Second optical module increases the light decay value of the attenuator according to the optical power.
In conjunction with second of possible implementation of second aspect, in the fourth possible implementation, described second
Optical module determines that the optical power for the optical signal that first optical module receives does not meet preset condition, specifically includes:
Second optical module determines that the optical power for the optical signal that first optical module receives is less than default optical power
Threshold value；
Second optical module adjusts the attenuator of second optical module side according to optical power, comprising:
Second optical module reduces the light decay value of the attenuator according to the optical power.
In conjunction with the first possible implementation of second aspect, in a fifth possible implementation, described second
The back information that optical module receives does not meet for first optical module in the optical power for determining the optical signal received default
When condition, generated according to the optical power；
Second optical module notifies the back information received, comprising:
Second optical module is when the back information indicates that the optical power is greater than default optical power threshold value, notice
Increase the light decay value of the attenuator；And
When the back information indicates the optical power less than the optical power threshold value is preset, decline described in notice reduction
Subtract the light decay value of device.
The third aspect provides a kind of method for adjusting optical power, comprising:
First optical module obtains the optical power for the optical signal that the second optical module received is sent；
When first optical module determines that the optical power received does not meet preset condition, according to the optical power adjustment institute
State the attenuator of the first optical module side；
The attenuator can adjust the light that the second optical module that first optical module receives is sent after being adjusted
The optical power of signal.
Fourth aspect provides a kind of optical module, comprising:
Acquiring unit, for obtaining the optical power for the optical signal that other optical modules of another optical module received are sent；
Generation unit, for the optical power according to the optical signal got, generation is used to indicate adjustment another optical mode
The back information of the attenuator of block side；
The attenuator can adjust another optical module that first optical module receives after being adjusted and send
Optical signal optical power；
Back propagation unit, for the back information of generation to be back to another optical module.
In conjunction with fourth aspect, in the first possible implementation, the generation unit is used for:
The optical power for the optical signal received that will acquire adjusts declining for another optical module side as being used to indicate
Subtract the back information of device；Or
When determining that the optical power got does not meet preset condition, it is another that adjustment is used to indicate according to optical power generation
The back information of the attenuator of one optical module side.
5th aspect, provides a kind of optical module, comprising:
Transmission unit, for sending optical signal to the first optical module；
Receiving unit, for receive it is that first optical module is generated and is returned according to the optical power, be used to indicate tune
The back information of the attenuator of whole other optical module sides of another optical module；
The attenuator can adjust another optical module that first optical module receives after being adjusted and send
Optical signal optical power.
It further include adjustment unit in the first possible implementation in conjunction with the 5th aspect, the adjustment unit is used
In: according to the back information, adjust the attenuator of other optical module sides of another optical module；Or
The back information received is notified.
In conjunction with the first possible implementation of the 5th aspect, in the second possible implementation, the reception
The back information that unit receives is the light function for the optical signal that another optical module that first optical module receives is sent
Rate；
It further include determination unit, the light function for the optical signal that the determination unit is used to determine that first optical module receives
Rate does not meet preset condition.
In conjunction with second of possible implementation of the 5th aspect, in the third possible implementation, the determination
Unit is specifically used for:
Determine that the optical power for the optical signal that first optical module receives is greater than default optical power threshold value；
The adjustment unit is specifically used for: according to the optical power, increasing the light decay value of the attenuator.
In conjunction with second of possible implementation of the 5th aspect, in the fourth possible implementation, the determination
Unit is specifically used for
Determine that the optical power for the optical signal that first optical module receives is less than default optical power threshold value；
The adjustment unit is specifically used for: according to the optical power, reducing the light decay value of the attenuator.
It is in a fifth possible implementation, described another in conjunction with the first possible implementation of the 5th aspect
The back information that optical module receives does not meet for first optical module in the optical power for determining the optical signal received default
When condition, generated according to the optical power；
The adjustment unit is specifically used for: indicating that the optical power is greater than default optical power threshold value in the back information
When, notice increases the light decay value of the attenuator；And
When the back information indicates the optical power less than the optical power threshold value is preset, decline described in notice reduction
Subtract the light decay value of device.
6th aspect, provides a kind of optical module, comprising:
Acquiring unit, for obtaining the optical power for the optical signal that other optical modules of another optical module received are sent；
Adjustment unit, when for determining that the optical power received does not meet preset condition, according to the optical power adjustment institute
State the attenuator of the first optical module side；
Another optical module other optical modes that the attenuator can adjust that first optical module receives after being adjusted
The optical power for the optical signal that block is sent.
The present invention has the beneficial effect that:
It in the prior art, is all that artificial scene is gone to obtain the optical power for the optical signal that optical module receives, and then adjusts again
Attenuator causes efficiency lower, and in the embodiment of the present invention, the first optical module obtains the light letter that the second optical module received is sent
Number optical power；For first optical module according to the optical power of the optical signal got, generation, which is used to indicate, adjusts the second optical module side
Attenuator back information；Attenuator can adjust what the second optical module that the first optical module receives was sent after being adjusted
The optical power of optical signal；The back information of generation is back to the second optical module by the first optical module, in this way, there is no need to manually arrive
Scene is gone to obtain the optical power for the optical signal that the first optical module receives, then removes adjustment attenuator to scene, therefore, solves existing
There is the existing lower defect of efficiency during adjusting the optical power of optical signal that optical module receives in technology.
Detailed description of the invention
Figure 1A is the schematic diagram of optical module in the prior art；
Figure 1B realizes the schematic diagram of communication between the network equipment in the prior art by optical fiber；
Fig. 2 is a kind of flow chart of the adjustment optical power provided in the embodiment of the present invention；
Fig. 3 is another flow chart of the adjustment optical power provided in the embodiment of the present invention；
Fig. 4 is another flow chart of the adjustment optical power provided in the embodiment of the present invention；
Fig. 5 is the embodiment of the adjustment optical power provided in the embodiment of the present invention；
Fig. 6 A is a kind of structural schematic diagram of optical module in the embodiment of the present invention；
Fig. 6 B is another structural schematic diagram of optical module in the embodiment of the present invention；
Fig. 7 A is another structural schematic diagram of optical module in the embodiment of the present invention；
Fig. 7 B is another structural schematic diagram of optical module in the embodiment of the present invention；
Fig. 8 A is another structural schematic diagram of optical module in the embodiment of the present invention；
Fig. 8 B is another structural schematic diagram of optical module in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to protection of the present invention
Range.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawings of the specification, it should be understood that this place
The preferred embodiment of description only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention, and the case where not conflicting
Under, the feature in the embodiment of the present invention and embodiment can be combined with each other.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
The optical module mentioned in the embodiment of the present invention can be inserted on network devices.The network equipment can be network exchange
Machine, router, firewall, wave-division device and gateway etc., these network equipment infrastructures are similar with function.
As shown in fig.2, a kind of detailed process for adjusting optical power is as follows in the embodiment of the present invention:
Step 200: the first optical module obtains the optical power for the optical signal that the second optical module received is sent；
Step 210: for the first optical module according to the optical power of the optical signal got, generation, which is used to indicate, adjusts the second optical mode
The back information of the attenuator of block side；Attenuator can adjust the second optical module hair that the first optical module receives after being adjusted
The optical power of the optical signal sent；
Step 220: the back information of generation is back to the second optical module by the first optical module.
The executing subject of step 200- step 220 can be the first optical module, it is of course also possible to be other equipment, this hair
In bright embodiment using the first optical module as the executing subject of step 200- step 220 for be illustrated.
During the present invention is implemented, optical module is the opto-electronic device for carrying out photoelectricity and electro-optic conversion.The mode classification of optical module
There are many, such as classify according to rate classification, according to launch wavelength classification, according to usage mode classification, according to packaged type.
Wherein, when classifying according to usage mode, optical module can be divided into the optical module of non-thermal pluggable mode, hot plug side
The optical module of formula.
Wherein, when classifying according to packaged type, optical module can be divided into: Small Form-Factor Pluggable (English: Small
Form-factor Pluggable, abbreviation: SFP) transceiver, enhancing Small Form-Factor Pluggable (English: enhanced small
Form-factor pluggable, abbreviation: SFP+) transceiver, gigabit ethernet interface converter (English: gigabit
Interface converter, abbreviation: GBIC) etc..
In the embodiment of the present invention, the passback for being used to indicate the attenuator of the second optical module side of adjustment is generated in the first optical module
When information, optionally, the optical power that can directly will acquire is sent to the second optical module, judges optical power by the second optical module
Whether predetermined power threshold value is met.
It is, of course, also possible to judge whether optical power meets preset condition by the first optical module, it is then, raw based on judging result
At back information, back information is sent to the second optical module, after the second optical module receives back information, so that it may obtain light
Whether power meets the judging result of fore condition, does not need the second optical module and goes to judge whether optical power meets preset condition.
That is, following implementation can be used:
The optical power for the optical signal received that first optical module will acquire adjusts the second optical module as being used to indicate
The back information of the attenuator of side；Or
First optical module is used to indicate when determining that the optical power got does not meet preset condition according to optical power generation
Adjust the back information of the attenuator of the second optical module side.
Wherein, when determining that the optical power got is greater than default optical power threshold value, according to the passback of optical power generation
Information is used to indicate the light decay value that the second optical module increases attenuator；Optical power door is preset when determining that the optical power got is less than
When limit value, back information is generated according to optical power and is used to indicate the light decay value that the second optical module reduces attenuator.
In the embodiment of the present invention, optionally, after the first optical module sends back information, the second optical module can be according to passback
Information controls optical power indicator light, notifies the network management to go to adjust by the difference of optical power indicator light.
In the embodiment of the present invention, the format of back information can be as shown in table 1:
The format of 1 back information of table
| DA | SA | Type | Flag | Information | CRC |
| 6 | 6 | 2 | 20 | 4 | |
| (full ff) | Port mac | (oxoooo) | Flag indicates optical power detecting |
Wherein, the format of Information is as shown in table 2:
The format of 2 Information of table
| Field | Type | Version | Length | Lpower | Pading |
| Length | |||||
| Value | 1 | 1 | 4 | 0x00 |
Lpower=0 indicates that the power for the optical signal that the second optical module that the first optical module obtains is sent is equal to default light
Power threshold；
Lpower=1 indicates that the power for the optical signal that the second optical module that the first optical module obtains is sent is greater than default light
Power threshold；
Lpower=2 indicates that the power for the optical signal that the second optical module that the first optical module obtains is sent is equal to default light
Power threshold.
In this scenario, the first optical module obtains the optical power for the optical signal that the second optical module received is sent；First
Optical module generates the passback letter for being used to indicate the attenuator of the second optical module side of adjustment according to the optical power of the optical signal got
Breath；Attenuator can adjust the optical power for the optical signal that the second optical module that the first optical module receives is sent after being adjusted；
The back information of generation is back to the second optical module by the first optical module, in this way, there is no need to manually go acquisition first to scene
The optical power for the optical signal that optical module receives, then go adjustment attenuator therefore to solve and adjust light in the prior art to scene
The existing lower defect of efficiency during the optical power for the optical signal that module receives.
As shown in fig.3, another detailed process for adjusting optical power is as follows in the embodiment of the present invention:
Step 300: the second optical module sends optical signal to the first optical module；
Step 310: the second optical module receive it is that the first optical module is generated and is returned according to optical power, be used to indicate adjustment the
The back information of the attenuator of two optical module sides；Attenuator can adjust the second light that the first optical module receives after being adjusted
The optical power for the optical signal that module is sent.
Further include operating as follows after the second optical module receives back information in the embodiment of the present invention:
Second optical module adjusts the attenuator of the second optical module side, that is to say, that be the second optical module according to back information
Oneself adjust the attenuator of the second optical module side；Or
Second optical module notifies the back information received, that is to say, that is that the second optical mode is adjusted by manually
The attenuator of block side.
It, can be with the shape of text when the second optical module is notified the back information received in the embodiment of the present invention
Formula is notified, such as shows the light for the optical signal that the first optical module receives with written form on the interface of the second optical module
Power is greater than default optical power threshold value, is also less than default optical power threshold value.
Or notified with the state of optical power indicator light, for example, optical power indicator light issues orange light, and dodge
It is bright, then indicate that the optical power for the optical signal that the first optical module receives is greater than default optical power threshold value；In another example optical power refers to
Show that lamp issues orange light, and do not flash, then indicates that the optical power for the optical signal that the first optical module receives is less than default light function
Rate threshold value, in this way, can be manually adjusted according to optical power indicator light to light decay device.
In the embodiment of the present invention, optionally, the back information that the second optical module receives is what the first optical module received
The optical power for the optical signal that second optical module is sent；
At this point, the second optical module further includes grasping as follows before the attenuator for adjusting the second optical module side according to back information
Make:
Second optical module determines that the optical power for the optical signal that the first optical module receives does not meet preset condition.
That is, the optical power for the optical signal that the first optical module receives only is sent to the second light by the first optical module
Module, at this point, to judge whether the optical power for the optical signal that the first optical module receives meets default item by the second optical module
Part, and then adjust.
Wherein, when the second optical module determines that the optical power for the optical signal that the first optical module receives does not meet preset condition,
Optionally, can be following mode:
Second optical module determines that the optical power for the optical signal that the first optical module receives is greater than default optical power threshold value；
At this point, the second optical module can be such as optionally when adjusting the attenuator of the second optical module side according to optical power
Under type:
Second optical module increases the light decay value of attenuator according to optical power.
Wherein, determine that the optical power for the optical signal that the first optical module receives does not meet preset condition in the second optical module
When, it can also be for such as under type:
Second optical module determines that the optical power for the optical signal that the first optical module receives is less than default optical power threshold value；
At this point, optionally, can be adopted when adjusting the attenuator of the second optical module side in the second optical module according to optical power
With such as under type:
Second optical module reduces the light decay value of attenuator according to optical power.
In the embodiment of the present invention, the back information that the second optical module receives is that the first optical module is determining the light received
When the optical power of signal does not meet preset condition, generated according to optical power；
At this point, when the second optical module is notified the back information received, it optionally, can be in the following way:
For second optical module when back information instruction optical power is greater than default optical power threshold value, notice increases attenuator
Light decay value；And
When back information instruction optical power is less than default optical power threshold value, notice reduces the light decay value of attenuator.
The embodiment of above-mentioned Fig. 2 and Fig. 3 is all the optical power for the optical signal of the first optical module of adjustment told about received
Attenuator be mounted in the second optical module side, certainly, adjust the optical power for the optical signal of the first optical module received
Attenuator also may be mounted at the first optical module side, in this way, not having to when the first optical module determines that optical power does not meet preset condition
Attenuator can be adjusted by sending back information, and detailed process is as shown in Figure 4:
As shown in fig.4, another detailed process for adjusting optical power is as follows in the embodiment of the present invention:
Step 400: the first optical module obtains the optical power for the optical signal that the second optical module received is sent；
Step 410: when the first optical module determines that the optical power that receives does not meet preset condition, according to optical power adjustment the
The attenuator of one optical module side；Attenuator can adjust what the second optical module that the first optical module receives was sent after being adjusted
The optical power of optical signal.
In this way, when the first optical module determines that the optical power received does not meet preset condition, according to optical power adjustment first
The attenuator of optical module side does not need manually to remove adjustment attenuator to scene, improves regulated efficiency.
Concrete application scene is given below in embodiment for a better understanding of the present invention, for the process at shared interface, makees
It is described in further detail out, as shown in Figure 5:
Step 500: optical module A sends optical signal to optical module B；
Step 510: after optical module B receives optical signal, obtaining the optical power of the optical signal received；
Step 520: optical module B judges whether optical power is greater than optical power predetermined threshold value；If executing step 530；It is no
Then, step 540 is executed；
Step 530: optical module B sends back information to optical module A, which is used to indicate optical module B and receives
Optical power be greater than optical power predetermined threshold value, optical module A according to back information increase attenuator light decay value；
Step 540: optical module B judges whether optical power is less than optical power predetermined threshold value；If executing step 550；It is no
Then, forbid sending back information；
Step 550: optical module B sends back information to optical module A, which is used to indicate optical module B and receives
Optical power be less than optical power predetermined threshold value, optical module A according to back information reduce attenuator light decay value.
Based on the technical solution of above-mentioned correlation method, refering to shown in Fig. 6 A, the embodiment of the present invention provides a kind of optical module, should
Optical module includes acquiring unit 60, generation unit 61 and back propagation unit 62, in which:
Acquiring unit 60, for obtaining the optical power for the optical signal that other optical modules of another optical module received are sent；
Generation unit 61, for the optical power according to the optical signal got, generation is used to indicate another optical module of adjustment
The back information of the attenuator of side；
Attenuator can adjust the light for the optical signal that another optical module that the first optical module receives is sent after being adjusted
Power；
Back propagation unit 62, for the back information of generation to be back to another optical module.
In the embodiment of the present invention, optionally, generation unit 61 is used for:
The optical power for the optical signal received that will acquire, as being used to indicate the attenuator for adjusting another optical module side
Back information；Or
When determining that the optical power got does not meet preset condition, another light of adjustment is used to indicate according to optical power generation
The back information of the attenuator of module side.
It as shown in Figure 6B, is another structural schematic diagram of optical module provided in an embodiment of the present invention, including receiver
600, processor 601, transmitter 602, in which:
Receiver 600, for receiving the optical signal of other optical modules of another optical module transmission；
Processor 601, for obtaining the optical power for the optical signal that other optical modules of another optical module received are sent；Root
According to the optical power of the optical signal got, the back information for being used to indicate the attenuator for adjusting another optical module side is generated；Decaying
Device can adjust the optical power for the optical signal that another optical module that the first optical module receives is sent after being adjusted；
Transmitter 602, for the back information of generation to be back to another optical module.
In the embodiment of the present invention, optionally, processor 601 is used for:
The optical power for the optical signal received that will acquire, as being used to indicate the attenuator for adjusting another optical module side
Back information；Or
When determining that the optical power got does not meet preset condition, another light of adjustment is used to indicate according to optical power generation
The back information of the attenuator of module side.
Based on the technical solution of above-mentioned correlation method, refering to shown in Fig. 7 A, the embodiment of the present invention provides a kind of optical module, should
Optical module includes transmission unit 70, receiving unit 71, in which:
Transmission unit 70, for sending optical signal to the first optical module；
Receiving unit 71, for receive it is that the first optical module is generated and is returned according to optical power, be used to indicate adjustment it is another
The back information of the attenuator of other optical module sides of optical module；
Attenuator can adjust the light for the optical signal that another optical module that the first optical module receives is sent after being adjusted
Power.
It further include adjustment unit further, adjustment unit is used in the embodiment of the present invention: according to back information, adjustment
The attenuator of other optical module sides of another optical module；Or
The back information received is notified.
In the embodiment of the present invention, optionally, the back information that receiving unit 71 receives is what the first optical module received
The optical power for the optical signal that another optical module is sent；
It further include determination unit, the optical power for the optical signal that determination unit is used to determine that the first optical module receives is not met
Preset condition.
In the embodiment of the present invention, optionally, determination unit is specifically used for:
Determine that the optical power for the optical signal that the first optical module receives is greater than default optical power threshold value；
Adjustment unit is specifically used for: according to optical power, increasing the light decay value of attenuator.
In the embodiment of the present invention, optionally, determination unit is specifically used for
Determine that the optical power for the optical signal that the first optical module receives is less than default optical power threshold value；
Adjustment unit is specifically used for: according to optical power, reducing the light decay value of attenuator.
In the embodiment of the present invention, optionally, the back information that another optical module receives is that the first optical module connects in determination
When the optical power of the optical signal received does not meet preset condition, generated according to optical power；
Adjustment unit is specifically used for: when back information instruction optical power is greater than default optical power threshold value, notice increases
The light decay value of attenuator；And
When back information instruction optical power is less than default optical power threshold value, notice reduces the light decay value of attenuator.
Based on the technical solution of above-mentioned correlation method, refering to shown in Fig. 7 B, the embodiment of the present invention provides a kind of optical module, should
Optical module includes transmitter 700, receiver 701, in which:
Transmitter 700, for sending optical signal to the first optical module；
Receiver 701, for receive it is that the first optical module is generated and is returned according to optical power, be used to indicate another light of adjustment
The back information of the attenuator of other optical module sides of module；
Attenuator can adjust the light for the optical signal that another optical module that the first optical module receives is sent after being adjusted
Power.
Further include processor further, processor is used in the embodiment of the present invention: according to back information, adjusting another
The attenuator of other optical module sides of optical module；Or
The back information received is notified.
In the embodiment of the present invention, optionally, the back information that receiver 701 receives receives another for the first optical module
The optical power for the optical signal that one optical module is sent；
The optical power for the optical signal that processor is also used to determine that the first optical module receives does not meet preset condition.
In the embodiment of the present invention, optionally, processor is specifically used for:
Determine that the optical power for the optical signal that the first optical module receives is greater than default optical power threshold value；
Processor is specifically used for: according to optical power, increasing the light decay value of attenuator.
In the embodiment of the present invention, optionally, processor is specifically used for
Determine that the optical power for the optical signal that the first optical module receives is less than default optical power threshold value；
Processor is specifically used for: according to optical power, reducing the light decay value of attenuator.
In the embodiment of the present invention, optionally, the back information that another optical module receives is that the first optical module connects in determination
When the optical power of the optical signal received does not meet preset condition, generated according to optical power；
Processor is specifically used for: when back information instruction optical power is greater than default optical power threshold value, notice, which increases, to decline
Subtract the light decay value of device；And
When back information instruction optical power is less than default optical power threshold value, notice reduces the light decay value of attenuator.
Based on the technical solution of above-mentioned correlation method, refering to shown in Fig. 8 A, the embodiment of the present invention provides a kind of optical module, should
Optical module includes acquiring unit 80, adjustment unit 81, in which:
Acquiring unit 80, for obtaining the optical power for the optical signal that other optical modules of another optical module received are sent；
Adjustment unit 81, when for determining that the optical power received does not meet preset condition, according to optical power adjustment first
The attenuator of optical module side；
What another optical module other optical modules that attenuator can adjust that the first optical module receives after being adjusted were sent
The optical power of optical signal.
Based on the technical solution of above-mentioned correlation method, refering to shown in Fig. 8 B, the embodiment of the present invention provides a kind of optical module, should
Optical module includes receiver 800, processor 801, in which:
Receiver 800, for receiving the optical signal of other optical modules of another optical module transmission；
Processor 801, for obtaining the optical power for the optical signal that other optical modules of another optical module received are sent；Really
Surely when the optical power received does not meet preset condition, according to the attenuator of the first optical module of optical power adjustment side；
What another optical module other optical modules that attenuator can adjust that the first optical module receives after being adjusted were sent
The optical power of optical signal.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device of present one or more flows of the flowchart and/or the function in one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
Function in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (4)
1. a kind of method for adjusting optical power characterized by comprising
First optical module obtains the optical power for the optical signal that the second optical module received is sent；
First optical module is generated when determining that the optical power got does not meet preset condition according to the optical power
It is used to indicate the back information of the attenuator of adjustment second optical module side, wherein the back information specifically includes: working as institute
When stating the determining optical power got of the first optical module greater than default optical power threshold value, first optical module is according to institute
The back information for stating optical power generation is used to indicate the light decay value that second optical module increases attenuator；When first optical mode
When block determines that the optical power got is less than the default optical power threshold value, first optical module is according to the smooth function
Rate generates back information and is used to indicate the light decay value that second optical module reduces attenuator；Attenuator energy after being adjusted
Enough adjust the optical power for the optical signal that second optical module that first optical module receives is sent；
The back information of generation is back to second optical module by first optical module.
2. a kind of method for adjusting optical power characterized by comprising
Second optical module sends optical signal to the first optical module；
Second optical module receive it is that first optical module is generated and is returned according to optical power, be used to indicate adjustment described the
The back information of the attenuator of two optical module sides；
When the optical power that the back information indicates that first optical module is got is greater than default optical power threshold value,
Second optical module increases the light decay value of the attenuator according to the back information；
When the optical power that the back information indicates that first optical module is got is less than default optical power threshold value,
Second optical module reduces the light decay value of the attenuator according to the back information；
The attenuator can adjust the optical power that first optical module receives after being adjusted, and the optical power is
The optical power for the optical signal that second optical module is sent.
3. a kind of first optical module characterized by comprising
Acquiring unit, for obtaining the optical power for the optical signal that the second optical module received is sent；
Generation unit, for being generated according to the optical power when determining that the optical power got does not meet preset condition
It is used to indicate the back information of the attenuator of adjustment second optical module side, wherein the back information specifically includes: working as institute
When stating the determining optical power got of the first optical module greater than default optical power threshold value, first optical module is according to institute
The back information for stating optical power generation is used to indicate the light decay value that second optical module increases attenuator；When first optical mode
When block determines that the optical power got is less than the default optical power threshold value, first optical module is according to the smooth function
Rate generates back information and is used to indicate the light decay value that second optical module reduces attenuator；Attenuator energy after being adjusted
Enough adjust the optical power for the optical signal that second optical module that first optical module receives is sent；
Back propagation unit, for the back information of generation to be back to second optical module.
4. a kind of second optical module characterized by comprising
Transmission unit, for sending optical signal to the first optical module；
Receiving unit, for receive it is that first optical module is generated and is returned according to optical power, be used to indicate adjustment the second light
The back information of the attenuator of module side；
When the optical power that the back information indicates that first optical module is got is greater than default optical power threshold value,
Second optical module increases the light decay value of the attenuator according to the back information；
When the optical power that the back information indicates that first optical module is got is less than default optical power threshold value,
Second optical module reduces the light decay value of the attenuator according to the back information；
The attenuator can adjust the optical power after being adjusted, and the optical power is that first optical module receives
The optical power for the optical signal that second optical module is sent.
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|---|---|---|---|---|
| CN102185658A (en) * | 2011-05-16 | 2011-09-14 | 浙江工业大学 | Intelligent light receiving and transmitting module capable of automatically adjusting emitted light power |
| CN202190272U (en) * | 2011-08-31 | 2012-04-11 | 福建三元达通讯股份有限公司 | Simulated optical fiber repeater applied in engineering |
| WO2012163025A1 (en) * | 2011-10-27 | 2012-12-06 | 华为技术有限公司 | Energy-saving method, device and system for optical communication |
| CN104159282A (en) * | 2013-05-15 | 2014-11-19 | 华为技术有限公司 | Signal adjusting method and apparatus, and cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8000607B2 (en) * | 2005-01-25 | 2011-08-16 | Finisar Corporation | Optical transceivers with closed-loop digital diagnostics |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185658A (en) * | 2011-05-16 | 2011-09-14 | 浙江工业大学 | Intelligent light receiving and transmitting module capable of automatically adjusting emitted light power |
| CN202190272U (en) * | 2011-08-31 | 2012-04-11 | 福建三元达通讯股份有限公司 | Simulated optical fiber repeater applied in engineering |
| WO2012163025A1 (en) * | 2011-10-27 | 2012-12-06 | 华为技术有限公司 | Energy-saving method, device and system for optical communication |
| CN104159282A (en) * | 2013-05-15 | 2014-11-19 | 华为技术有限公司 | Signal adjusting method and apparatus, and cell |
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