CN105812064B - A kind of optical module control method, optical module and optical communication terminal - Google Patents
A kind of optical module control method, optical module and optical communication terminal Download PDFInfo
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- CN105812064B CN105812064B CN201610186803.XA CN201610186803A CN105812064B CN 105812064 B CN105812064 B CN 105812064B CN 201610186803 A CN201610186803 A CN 201610186803A CN 105812064 B CN105812064 B CN 105812064B
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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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
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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
- H04B10/27—Arrangements for networking
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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
- H04B10/40—Transceivers
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Abstract
The embodiment provides a kind of optical module control method, optical module and optical communication terminals, are related to technical field of optical fiber communication, and interference caused by signal is transmitted for eliminating the transmission environment corresponding to optical module to optical module.System single board is connect with optical module and system single board belongs to the first optical communication terminal with optical module, and method includes：The first traffic data that optical module is sent to the second optical communication terminal repeater system veneer；The second traffic data that optical module is sent to system single board the second optical communication terminal of forwarding according to the first traffic data；Optical module receives the balanced set information that system single board is sent, and balanced set information is sent for system single board according to the second traffic data and the first traffic data to optical module；Optical module adjusts balanced setup parameter according to balanced set information.The embodiment of the present invention is used to control optical module.
Description
Technical field
The present invention relates to a kind of technical field of optical fiber communication more particularly to optical module control method, optical module and optic communications
Terminal.
Background technology
Fibre Optical Communication Technology is one of Primary communication technology used in current Internet communication system, due to fiber optic communication
Equipment is when carrying out signal transmission, it will usually using multiplexing, cause reach reception by the signal of different path transmissions
Time delay can be generated during end, causes temporal overlapped, generation intersymbol interference between different light pulse signals；Simultaneously in optical fiber
When bandwidth insufficient situation occurs in the transmission path that communication equipment is used to carry out signal transmission, signal can be caused to decay, make signal
It broadens on frequency spectrum, the symbol of the signal is prevented to complete conversion within its respective clock cycle so that the symbol is in its clock
Full swing cannot be reached in period, so that extending to next symbol, generate intersymbol interference.Under normal conditions, in fiber optic communication
, since signal time delay is far smaller than code-element period, there is intersymbol interference when being transmitted the relatively low signal transmission of rate in equipment
Probability it is relatively low, intersymbol interference can be ignored.But with the continuous development of the communication technology, communication system is to data transmission speed
The demand of rate is also gradually increasing, and the rate that optical fiber communication equipment carries out data transmission also is accelerated therewith, leads to optical fiber communication equipment
The probability for occurring intersymbol interference when being carried out data transmission using optical signal is also risen therewith, so as to reduce the efficiency of data transmission
With reliability.
Optical module is the integrated communication interface device that photoelectricity-electro-optic conversion ability is provided in optical fiber communication equipment, logical
Optical module connect use with system single board in letter system.There are the several of intersymbol interference to reduce data transmission in communication system
Rate independently carries out equilibrium usually in optical module to received signal, to reach the frequency compensation optimization to received signal
Purpose so as to reduce the intersymbol interference in data transmission, ensures that signal is efficiently transmitted over a channel.Optical module to received signal into
During row is balanced, generally using the fixed value being stored in its own read-only memory as balanced setup parameter to being received
The signal equalization arrived, value which generally rule of thumb concludes or for provide the equipment supplier of system single board according to
The value that dependence test obtains.But when the transmission environment that optical module carries out signal transmission changes, such as optical module needs to match
When the new corresponding transmission path of veneer or optical module changes, optical module can not be stored in reservoir before use
Optimal equalization setup parameter of the fixed value as optical module under current transmission environment is needed using other equipment to optical module
Current transmission environment is tested, and to determine optical module balanced setup parameter under current transmission environment, and will test gained
Setup parameter loading weigh on optical module, carries out temperature to the optical communication equipment where optical module later and follows transmission test, to confirm
The validity of income equilibrium setup parameter is tested, so as to increase additional resource consumption, reduces optical module in different transmission
The efficiency and reliability of compatibility and data transmission under environment increase the cost of data transmission.
Invention content
A kind of optical module control method, optical module and the optical communication terminal that the embodiment of the present invention provides, can eliminate light
Transmission environment corresponding to module transmits optical module interference caused by signal.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
In a first aspect, an embodiment of the present invention provides a kind of optical module control method, applied to optical module, optical module is with being
Veneer of uniting connects, and wherein system single board belongs to the first optical communication terminal with optical module, and this method includes：
The first traffic data that optical module is sent to the second optical communication terminal repeater system veneer；
The second Business Stream that optical module is sent to system single board the second optical communication terminal of forwarding according to the first traffic data
Data；
Optical module receives the balanced set information that system single board is sent, and balanced set information is system single board according to the second industry
Business flow data and the first traffic data are sent to optical module；
Optical module adjusts balanced setup parameter according to balanced set information.
Second aspect, an embodiment of the present invention provides a kind of optical modules, which is characterized in that optical module connects with system single board
It connects, wherein system single board belongs to the first optical communication terminal with optical module, including：
Transmit-Receive Unit for receiving the first traffic data of system single board transmission, and is forwarded to the second optical communication terminal
First traffic data, the second traffic data that the second optical communication terminal of reception is sent according to the first traffic data, and to
System single board forwards the second traffic data, receives the balanced set information that system single board is sent, and balanced set information is system
Veneer is sent according to the second traffic data and the first traffic data to optical module；
Processing unit, for adjusting balanced setup parameter according to balanced set information.
The third aspect, an embodiment of the present invention provides a kind of optical communication terminal, provided in above-mentioned first aspect
Optical module and the system single board being connect with optical module, system single board are used for：
First traffic data is sent to the second optical communication terminal by optical module；
The second traffic data sent by optical module the second optical communication terminal of reception according to the first traffic data；
Balanced set information is sent to optical module according to the second traffic data and the first traffic data, in order to light
Module adjusts balanced setup parameter according to balanced set information.
Optical module control method, optical module and the optical communication terminal that the embodiment of the present invention provides, first system single board lead to
It crosses optical module and sends the first traffic data to the second optical communication terminal, and receive the second optical communication terminal root of optical module forwarding
According to the second traffic data that the first traffic data is sent, obtained later according to the first traffic data and the second traffic data
The transmission environment corresponding to optical module is taken to transmit the interference of signal, and the transmission environment according to corresponding to optical module to optical module
The interference that signal is transmitted to optical module sends balanced set information to optical module, makes optical module according to the equilibrium set information tune
Whole equilibrium setup parameter makes optical module be carried out when receiving signal to received signal balanced, reaches and eliminate optical module institute
Corresponding transmission environment transmits optical module the purpose interfered caused by signal, so as to subtract the intersymbol interference in data transmission
It is small, it ensure that signal is efficiently transmitted over a channel, therefore the optical module control method of the embodiment of the present invention offer improves optical module and exists
The efficiency and reliability of compatibility, data transmission under different transmission environments reduce the cost of data transmission.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of optical communication system that the embodiment of the present invention provides；
Fig. 2 is the schematic diagram of another optical communication system provided in an embodiment of the present invention；
Fig. 3 is the schematic flow chart of optical module control method provided in an embodiment of the present invention；
Fig. 4 is the schematic flow chart of another optical module control method provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of optical module provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of optical communication terminal provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram of another optical communication system provided in an embodiment of the present invention；
Fig. 8 is the schematic pin figure of optical module provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
At present, when being carried out data transmission to solve optical fiber communication equipment using optical signal, due to there is intersymbol interference and
It is the problem of making signal that can not be efficiently transmitted over a channel, generally balanced by being carried out in optical module to its received signal, to its institute
The frequency for receiving signal compensates optimization, its received signal is made to be damaged and be subtracted caused by signal transmission due to intersymbol interference
It is small.As shown in Figure 1,102 one end of optical module is connect with system single board 101, and the other end connects with communication ends 103.Optical module 102 connects
The signal transmitted by communication ends 103 is received, and according to the balanced setup parameter being stored on optical module 102, is set on optical module 102
Determine equalizer configuration, and equilibrium is carried out to received signal using the balanced device set, to reach its received signal
Frequency compensate the purpose of optimization.Since the balanced setup parameter being stored on optical module 102 is generally rule of thumb returned
The value received or to provide the value that the equipment supplier of system single board obtains according to dependence test.But when optical module 102 carries out signal
The transmission environment of transmission changes, as shown in Figure 1, when the needs of optical module 102 match or optical module with system single board 111
When 102 needs are communicated with communication ends 113, since 102 corresponding transmission path of optical module changes, it is stored in optical module
Balanced setup parameter in 102 can not be corresponding after transmission path variation as optical module 102 optimal equalization setup parameter,
Therefore need service provider or plant maintenance personnel using other equipment such as transmission path test equipment to 102 current transmission of optical module
Environment is tested, to determine the balanced setup parameter under current transmission environment of optical module 102, and will test income equilibrium setting
Parameter is loaded on optical module 102, carries out temperature together to the system single board corresponding to optical module 102 and optical module 102 later
Follow transmission test, to confirm when optical module 102 is located under current transmission environment, obtained balanced setup parameter it is effective
Property, so as to increase additional resource consumption, reduce compatibility and data transmission of the optical module under different transmission environments
Efficiency and reliability, increase the cost of data transmission.
To solve the above-mentioned problems, the embodiment of the present invention provides a kind of optical module control method, applied to as shown in Figure 2
The first communication ends 201 in, wherein the first communication ends 201 include the system single board 202 and the optical module 203 that are connected with each other, optical mode
Block 203 is connect with the second optical communication terminal 211, and as shown in Figure 3, this method includes：
301st, system single board sends the first traffic data to optical module.
System single board sends the first traffic data to optical module, and the first traffic data is currently right for evaluating optical module
The transmission environment answered, specifically, the first traffic data can include the business that system single board is sent to the second optical communication terminal
Information, for the business information for evaluating optical module currently corresponding transmission environment, the first traffic data can also include second
The address of optical communication terminal or the packing parameter of business datum, to control command of the second optical communication terminal etc..
302nd, optical module forwards the first traffic data to the second optical communication terminal.
Optical module forwards the first traffic data received to the second optical communication terminal, and wherein optical module is specifically used for
First traffic data is converted to optical signal to forward to the second optical communication terminal.
303rd, optical module receives the second traffic data that the second optical communication terminal is sent according to the first traffic data.
Wherein the second traffic data is sent for the second optical communication terminal according to the first traffic data to optical module, and second
Optical communication terminal can handle the first traffic data to obtain the second traffic data according to preset processing strategy,
It can be sent using the first traffic data received as the second traffic data to optical module.Specifically, the second business fluxion
The business information obtained according to that can include optical module according to the first traffic data, the second traffic data can also include optical mode
The address of the first optical communication terminal of block place or the packing parameter of business information report information etc. to the first optical communication terminal,
Preferably, the business that the second optical communication terminal is obtained according to the first traffic data received in the first traffic data is believed
Breath, and the second traffic data for including the business information is sent to optical module by optical signal, the second optical communication terminal can
With to the business information without modification.
304th, optical module forwards the second traffic data to system single board.
Optical module forwards the second traffic data received to system single board, and wherein optical module is specifically used for second
Traffic data is converted to electric signal and is forwarded to system single board.
305th, system single board sends balanced setting according to the second traffic data and the first traffic data to optical module
Information.
System single board obtains the transmission environment pair of optical module by comparing the second traffic data and the first traffic data
Interference caused by its data transmitted, and according to the interference caused by the data that the transmission environment of optical module transmits it
Balanced set information is sent to optical module, which is used to adjust optical mode block balance setup parameter balanced setting ginseng
Number, balanced set information can be analog information, or digital information.
Specifically, system single board obtains the business information in the second traffic data, and will be in the first traffic data
Business information is compared with the business information in the second traffic data, when the business information in the second traffic data and the
Business information in one traffic data compares, and is interfered caused by there is the transmission environment because of optical module business information, example
If the business information in the first traffic data is compared with the business information in the second traffic data, there is packet loss, mistake
Whens packet, time delay etc., interfered caused by business information to optical module according to the transmission environment of optical module and send balanced set information,
The equilibrium set information can include adjustment trend, adjustment amplitude of the setting of optical mode block balance etc..
306th, optical module is according to the balanced setup parameter of balanced set information adjustment received.
Optical module adjusts balanced setup parameter thus after according to adjustment according to the balanced set information received in optical module
Balanced setup parameter the signal that receives is carried out in optical module it is balanced, to reach the frequency compensation optimization to received signal
Purpose, specifically, optical module according in the balanced set information adjustment optical module received balanced setting it is balanced tend to, it is balanced
Amplitude.
The optical module control method that the embodiment of the present invention provides, first system single board are by optical module to the second optic communication
Terminal sends the first traffic data, and the second optical communication terminal for receiving optical module forwarding is sent according to the first traffic data
The second traffic data, later according to the first traffic data and the second traffic data, obtain the biography corresponding to optical module
Defeated environment transmits optical module the interference of signal, and the transmission environment according to corresponding to optical module transmits signal to optical module
Interference send balanced set information to optical module, optical module is made to be made according to equilibrium set information adjustment equilibrium setup parameter
Optical module carries out equilibrium when receiving signal to received signal, reaches the transmission environment corresponding to elimination optical module to light
Module transmits the purpose interfered caused by signal, so as to reduce the intersymbol interference in data transmission, ensure that signal is had
Effect transmission, therefore to improve optical module simultaneous under different transmission environments for the optical module control method that provides of the embodiment of the present invention
Capacitive, the efficiency of data transmission and reliability reduce the cost of data transmission.Specifically, the embodiment of the present invention provides one kind
Optical module control method, applied in the first communication ends 201 as shown in Figure 2, wherein the first communication ends 201 include mutually interconnecting
The system single board 202 connect and optical module 203, optical module 203 are connect with the second optical communication terminal 211, as shown in Figure 4, the party
Method includes：
401st, system single board sends the first traffic data to optical module.
Referring in particular to above-mentioned steps 301, details are not described herein.
Preferably, the first traffic data is sent to optical module in system single board, optical module can be read in memory
Weigh setup parameter, wherein balanced setup parameter can be to be previously stored in optical module, can also be stored in other devices.
402nd, optical module forwards the first traffic data to the second optical communication terminal.
Referring in particular to above-mentioned steps 402, details are not described herein.
403rd, optical module receives the second traffic data that the second optical communication terminal is sent according to the first traffic data.
Referring in particular to above-mentioned steps 403, details are not described herein.
404th, optical module forwards the second traffic data to system single board.
Referring in particular to above-mentioned steps 404, details are not described herein.
405th, system single board carries out data check according to the second traffic data and the first traffic data.
System single board carries out data check according to the second traffic data and the first traffic data, obtains data and passes through light
Transmission environment between module and the second optical communication terminal is after optical module is sent to the second optical communication terminal and returns to optical module, number
According to suffered interference.Wherein system single board can be the second traffic data and the first traffic data or the second Business Stream
Data are directly compared with the business datum included by the first traffic data, when the data compared are completely the same, light
The data that module is transmitted are not interfered by transmission environment corresponding to optical module；System single board can also be according to the second business fluxion
Data check is carried out to the second traffic data according to included business datum and business datum relevant parameter, illustratively,
System single board carries out even-odd check or redundancy check to the second traffic data.
406th, when data check when the error occurs, system single board sends balanced set information to optical module.
When data check when the error occurs, represent that the data that the corresponding transmission environment of optical module transmits optical module exist
Interference, system single board send balanced set information to optical module, to adjust optical mode balanced setup parameter in the block, specifically,
When the error occurs, system single board can send preset balanced set information, system single board to data check to optical module
The type for the mistake that can be occurred according to data check and specific wrong parameter send balanced set information to optical module, with
It is specific to eliminate transmission environment to institute convenient for type and the specific wrong parameter of mistake that optical module is occurred according to data check
Transmit the interference of data.Balanced set information can be analog information, or digital information.
407th, optical module tends to adjust balanced setup parameter according to default step-length according to first according to balanced set information.
The balanced set information that optical module is sent according to system single board tends to be adjusted according to default step-length balanced according to first
Setup parameter, wherein the first trend or default step-length can be to be preset in optical module, or optical module is according to system list
The balanced set information that plate is sent obtains.First tend to be for the direction that is adjusted of equilibrium setup parameter or mode, default step-length
Adjust the amplitude that balanced setup parameter is adjusted each time, for example, using balanced setup parameter setup parameter plus default step-length as
Balanced setup parameter is multiplied by default step-length as the balanced setup parameter after adjustment by balanced setup parameter after adjustment.It is excellent
Choosing, it is that balanced setup parameter is added 1 to tend to adjust balanced setup parameter according to default step-length according to first.
Preferably, when balanced setup parameter reaches boundary threshold, balanced setup parameter is set as initial setting parameter.
Wherein boundary threshold can be the maximum value that balanced setup parameter can reach, or what balanced setup parameter can reach
Minimum value, initial setting parameter can be to be preset in optical module, or be set in optical module by other devices.Example
Property, when balanced setup parameter is greater than or equal to maximum value, balanced setup parameter is set to 0.
Preferably, optical module can will store the balanced setup parameter after adjusting.Wherein optical module can will be after adjustment
Balanced setup parameter is stored in optical module, the balanced setup parameter after adjusting can also will be stored in other devices.
408th, optical module sends adjustment ending message to system single board.
Optical module is after detecting that optical module is completed to adjust balanced setup parameter according to balanced set information, to system single board
Adjustment ending message is sent, notice system single board optical module has completed the adjustment to balanced setup parameter.Adjusting ending message can
Think analog information, or digital information.
409th, system single board sends the first traffic data according to adjustment ending message to optical module.
The adjustment ending message that system single board is sent out according to optical module sends the first traffic data to optical module, to survey
Optical module is tried after the adjustment of balanced setup parameter, if transmission environment corresponding to optical module can be eliminated, transmitted signal is done
It disturbs.
The optical module control method that the embodiment of the present invention provides, first system single board are by optical module to the second optic communication
Terminal sends the first traffic data, and the second optical communication terminal for receiving optical module forwarding is sent according to the first traffic data
The second traffic data, data check is carried out according to the first traffic data and the second traffic data later, to judge light
Whether the transmission environment corresponding to module transmits signal to optical module interferes, when data check when the error occurs, system
Veneer sends balanced set information to optical module, and the transmission environment that optical module is obtained corresponding to optical module is made to transmit optical module
Interference caused by signal later according to the equilibrium set information, tends to according to first and default step-length adjusts balanced setup parameter,
It interferes, makes in data transmission caused by optical module transmits signal so as to purposefully eliminate the transmission environment corresponding to optical module
Intersymbol interference reduce, ensure that signal is efficiently transmitted over a channel, and join completing the balanced setting of adjustment according to the equilibrium set information
After number, adjustment ending message is sent to system single board, system single board is made to send first to optical module according to after adjustment ending message
Traffic data, to test the optical module after the balanced setup parameter of adjustment is completed according to balanced set information, if can eliminate
Transmission environment corresponding to optical module is interfered caused by optical module transmits signal.Therefore the light that the embodiment of the present invention provides
Module control method improves compatibility, the efficiency of data transmission and reliability of the optical module under different transmission environments, reduces
The cost of data transmission.
With reference to shown in attached drawing 5, the embodiment of the present invention provides a kind of optical module 501, for implementing in above-described embodiment
Optical module control method, the optical module 501 are connect with system single board, and system single board belonged to optical module 501 it is same
Optical communication terminal, the optical module 501 include：
Transmit-Receive Unit 502 for receiving the first traffic data of system single board transmission, and turns to the second optical communication terminal
The first traffic data is sent out, receives the second traffic data that the second optical communication terminal is sent according to the first traffic data, and
The second traffic data is forwarded to system single board, receives the balanced set information that system single board is sent, balanced set information is is
Veneer of uniting is sent according to the second traffic data and the first traffic data to optical module.
Referring in particular to above-described embodiment, details are not described herein.
Processing unit 503, for adjusting balanced setup parameter according to balanced set information.
Processing unit 503 adjusts balanced setup parameter according to the balanced set information received in optical module, so as to basis
Balanced setup parameter after adjustment carries out equilibrium in optical module to the signal received, to reach the frequency benefit to received signal
The purpose of optimization is repaid, specifically, processing unit 503 is according to balanced setup parameter in the balanced set information adjustment optical module received
It is balanced tend to, equalizing amplitude.
The optical module that the embodiment of the present invention provides, it is whole to the second optic communication by 502 repeater system veneer of Transmit-Receive Unit
End sends second that the first traffic data and the second optical communication terminal are sent according to the first traffic data to system single board
Traffic data is obtained later by 502 system single board of Transmit-Receive Unit according to the first traffic data and the second traffic data
Balanced set information, by processing unit 503 according to the balanced setup parameter of balanced set information adjustment received, make optical module
Equilibrium is carried out to received signal according to the balanced setup parameter after adjustment when receiving signal, reaches and eliminates optical module institute
Corresponding transmission environment transmits optical module the purpose interfered caused by signal, so as to subtract the intersymbol interference in data transmission
It is small, it ensure that signal is efficiently transmitted over a channel, therefore the optical module control method of the embodiment of the present invention offer improves optical module and exists
The efficiency and reliability of compatibility, data transmission under different transmission environments reduce the cost of data transmission.
Specifically, processing unit 503 is additionally operable to：
Adjustment ending message is sent to system single board by Transmit-Receive Unit 502, in order to which system single board terminates according to adjustment
Information sends the first traffic data by optical module to the second optical communication terminal.
Processing unit 503 after the balanced setup parameter of adjustment is completed according to balanced set information, by Transmit-Receive Unit 502 to
System single board sends adjustment ending message, system single board optical module to be notified to complete the adjustment to balanced setup parameter.Adjustment
Ending message can be analog information, or digital information.
Specifically, processing unit 503 tends to be set according to default step-length adjustment equilibrium according to balanced set information according to first
Determine parameter.
The balanced set information that processing unit 503 is sent according to system single board tends to according to first according to default step-length tune
Whole equilibrium setup parameter, wherein the first trend or default step-length can be to be preset in optical module, or processing unit 503
It is obtained according to the balanced set information that system single board is sent.First tends to the direction adjusted for balanced setup parameter or mode,
Such as it is multiplied by using balanced setup parameter plus default step-length as the balanced setup parameter after adjustment or by balanced setup parameter pre-
If the amplitude that step-length is adjusted as the balanced setup parameter after adjustment, default step-length for the balanced setup parameter of adjustment each time.
Preferably, it is that balanced setup parameter is added 1 to tend to adjust balanced setup parameter according to default step-length according to first.
Specifically, processing unit 503 is additionally operable to, when balanced setup parameter reaches boundary threshold, by balanced setup parameter
It is set as initial setting parameter.
When balanced setup parameter reaches boundary threshold, balanced setup parameter is set as initial setting parameter.Wherein side
Boundary's threshold value can be the maximum value that balanced setup parameter can reach, or the minimum that balanced setup parameter can reach
Balanced setup parameter illustratively, when balanced setup parameter is greater than or equal to maximum value, is set to 0 by value.
Specifically, processing unit 503 is additionally operable to, the first Business Stream is being forwarded to optical communication terminal by Transmit-Receive Unit 502
Before data, balanced setup parameter is read in memory；After processing unit 503 adjusts balanced setting according to balanced set information,
Balanced setup parameter after the storage adjustment of processing unit 503.
With reference to shown in attached drawing 6, the embodiment of the present invention provides a kind of optical communication terminal, including the optical mode in above-described embodiment
Block 603, the optical module 603 are connect with system single board 602.
In the optical module provided in embodiment provided by the invention, Transmit-Receive Unit 502 can be to have transmission on optical module
The interface circuit of receive capabilities, such as transmitter or information transmission interface；Processing unit 503 can be the processor individually set up,
Optical mode can also be integrated in for Transmit-Receive Unit 502 to be controlled to carry out data transmission and data receiver, the processor individually set up
It is realized in some processor of block, in addition it is also possible to be stored in the memory of optical module in the form of program code, by light
Some processor of module calls and performs the function of more than processing unit 503.
Processor described here can be a central processing unit (English full name：central processing
Unit, English abbreviation：) or specific integrated circuit (English full name CPU：application specific
Integrated circuit, English abbreviation：ASIC) or be arranged to implement the embodiment of the present invention one or more
Integrated circuit.
System single board 602 sends for passing through optical module 603 to the second optical communication terminal for being connect with optical communication terminal
One traffic data, and pass through optical module 603 and receive the second industry that the second optical communication terminal is sent according to the first traffic data
Business flow data；System single board 602 be additionally operable to according to the second traffic data and the first traffic data by Transmit-Receive Unit to
Optical module 603 sends balanced set information, in order to which optical module 603 adjusts balanced setup parameter according to balanced set information.
System single board 602 sends the first traffic data to optical module 603, and the first traffic data is used to evaluate optical module
603 current corresponding transmission environments, specifically, the first traffic data can include system single board 602 to the second optic communication end
The business information sent is held, which is used to evaluate the current corresponding transmission environment of optical module 603, the first traffic data
It can also include the address of the second optical communication terminal or packing parameter, the control command to the second optical communication terminal of business datum
Deng.
Optical module 603 forwards the first traffic data received to the second optical communication terminal, and wherein optical module 603 has
Body forwards for the first traffic data to be converted to optical signal to the second optical communication terminal.
Wherein the second traffic data is sent for the second optical communication terminal according to the first traffic data to optical module 603,
Second optical communication terminal can handle the first traffic data to obtain the second business fluxion according to preset processing strategy
According to can also be sent using the first traffic data received as the second traffic data to optical module 603.Preferably, second
Traffic data can include the business information that optical module 603 is obtained according to the first traffic data, the second traffic data
It can include the address of optical communication terminal or the packing parameter of business information, information etc. is reported to optical communication terminal, it is preferred that
Second optical communication terminal obtains the business information in the first traffic data according to the first traffic data received, and leads to
It crosses optical signal and the second traffic data for including the business information is sent to optical module 603, the second optical communication terminal can be to this
Business information is without modification.
Optical module 603 forwards the second traffic data received to system single board 602, and wherein optical module 603 is specific
It is forwarded for the second traffic data to be converted to electric signal to system single board 602.
System single board 602 obtains the transmission of optical module 603 by comparing the second traffic data and the first traffic data
Interference caused by the data that environment transmits it, and the data institute transmitted according to the transmission environment of optical module 603 to it
Caused by interfere to optical module 603 and send balanced set information, which sets for adjusting equilibrium to optical module 603
Determine parameter, balanced set information can be analog information, or digital information.
Preferably, system single board 602 obtains the business information in the second traffic data, and will be in the first traffic data
Business information compared with the business information in the second traffic data, when the business information in the second traffic data with
Business information in first traffic data compares, and is done caused by there is the transmission environment because of optical module 603 business information
It disturbs, such as the business information in the first traffic data is compared with the business information in the second traffic data, is lost
Whens packet, wrong packet, time delay etc., interfered caused by business information to optical module 603 and sent according to the transmission environment of optical module 603
Weigh set information, which can include the adjustment trend of the balanced setup parameter of optical module 603, adjustment amplitude etc..
Optical module 603 adjusts balanced setup parameter according to the balanced set information received in optical module 603, so as to basis
Balanced setup parameter carries out equilibrium in optical module 603 to the signal received, to reach excellent to the frequency compensation of received signal
The purpose of change, specifically, optical module 603 is according to balanced setup parameter in the balanced set information adjustment optical module 603 received
Equilibrium tends to, equalizing amplitude.
The optical communication terminal that the embodiment of the present invention provides, optical module and system single board including interconnection, system list
Plate sends the first traffic data by optical module to the second optical communication terminal, and the second optic communication for receiving optical module forwarding is whole
The second traffic data sent according to the first traffic data is held, system single board is according to the first traffic data and second later
Traffic data obtains the interference that the transmission environment corresponding to optical module transmits optical module signal, and according to optical module institute
The interference that corresponding transmission environment transmits optical module signal sends balanced set information to optical module, in order to optical mode root tuber
Balanced setup parameter is adjusted according to the equilibrium set information, makes optical module when receiving signal according to the balanced setup parameter after adjustment
Received signal is carried out balanced, reach the transmission environment eliminated corresponding to optical module signal is transmitted to optical module and made
Into the purpose of interference, so as to reduce the intersymbol interference in data transmission, it ensure that signal is efficiently transmitted over a channel, therefore the present invention
The optical communication terminal that embodiment provides improve compatibility of the optical module under different transmission environments, the efficiency of data transmission with can
By property, the cost of data transmission is reduced.
Specifically, system single board 602 is specifically used for, the second traffic data and the first traffic data are subjected to data school
Test, when data check when the error occurs, send balanced set information to optical module 603.
System single board 602 carries out data check according to the second traffic data and the first traffic data, obtains data and leads to
The transmission environment crossed between 603 and second optical communication terminal of optical module is sent to the second optical communication terminal from optical module 603 and returns
After optical module 603, the interference suffered by data.Wherein system single board 602 can be the second traffic data and the first Business Stream
Data or the second traffic data are directly compared with the business datum included by the first traffic data, when what is compared
When data are completely the same, the data that optical module 603 is transmitted are not interfered by transmission environment corresponding to optical module 603；System list
Plate 602 can also be according to the business datum included by the second traffic data and business datum relevant parameter to the second Business Stream
Data carry out data check, and illustratively, system single board 602 carries out even-odd check or redundancy check to the second traffic data.
When data check when the error occurs, represent the number that is transmitted to optical module 603 of 603 corresponding transmission environment of optical module
It is interfered according to existing, system single board 602 sends balanced set information to optical module 603, to adjust the balanced setting in optical module 603
Parameter, specifically, the type for the mistake that system single board 602 can be occurred according to data check and specific wrong parameter, Xiang Guang
Module 603 sends balanced set information, in order to the type and specifically mistake of the mistake that optical module 603 is occurred according to data check
Accidentally parameter targetedly eliminates interference of the transmission environment to transmitted data.Balanced set information can be analog information, also may be used
Think digital information.
Optionally, system single board 602 is additionally operable to, and receives the adjustment ending message that optical module 603 is sent.
System single board 602 is additionally operable to, and the is sent to the second optical communication terminal by optical module 603 according to adjustment ending message
One traffic data.
System single board 602 receives optical module 603 and is detecting that optical module 603 is balanced according to the completion adjustment of balanced set information
The adjustment ending message sent after setup parameter, adjustment ending message have been completed pair for notifying 602 optical module 603 of system single board
The adjustment of balanced setup parameter.It can be analog information to adjust ending message, or digital information.
The adjustment ending message that system single board 602 is sent out according to optical module 603 sends the first Business Stream to optical module 603
Data, to test optical module 603 after the adjustment of balanced setup parameter, if transmission environment corresponding to optical module 603 can be eliminated
Interference to transmitted signal.
With reference to shown in attached drawing 7, the embodiment of the present invention provides a kind of system single board 701, for implementing above-mentioned optical module
Control method, including：Processor 702, physical chip 703, interface chip 704, modular jack 705.
Wherein, processor 702 passes sequentially through physical chip 703, interface chip 704, modular jack 705 and optical module and connects
It connects.
Processor 702 controls physical chip 703, interface chip 704, module for performing the program being stored therein in
Socket 705.
Specifically, power-up initializing and configuration of the processor 702 for each component part in system single board, work supervision
Deng.
Physical chip 703 is used to handle Ethernet data bag and data check.
Interface chip 704 is interface level matching chip.
With reference to shown in attached drawing 7, the embodiment of the present invention provides a kind of optical module 711, for implementing above-mentioned optical module control
Method processed, including：First clock and data recovery module 712 plays CD-ROM driver 714, emits optical assembly 716, the second data always
Recovery module 713, limiting amplifier 715 receive optical assembly 717, processor 718.
Wherein, system single board and the first clock and data recovery module 712 and the second data recovery module 713, place always
Reason device 718 connects, processor 718 also with the first clock and data recovery module 712, second data recovery module 713, laser always
Driver 714, limiting amplifier 715 connect, and the first clock and data recovery module 712 passes through laser driver 714 and transmitting light
Component 716 connects, and second clock data recovery module 713 is connect by limiting amplifier 715 with receiving optical assembly 717, emits
Optical assembly 716 and reception optical assembly 717 are connect with the second optical communication terminal.
Processor 718 is for performing the function that the program that is stored therein in performs processing unit in above-described embodiment, and first
Clock and data recovery module 712, laser driver 714 emit optical assembly 716, the second data recovery module 713 always, amplitude limit
Amplifier 715 receives the function that optical assembly 717 is used to perform Transmit-Receive Unit in above-described embodiment.
Specifically, the first clock and data recovery module 712 is used for second clock data recovery module 713 by high speed signal
Shaping again is carried out, improves signal quality.
Laser driver 714 sends high speed signal for transmitting optical assembly 716 to be driven to shine.
Transmitting optical assembly 716 is semiconductor laser, for electro-optic conversion, high speed signal is converted to optical signal and is sent out
It goes.
The effect of optical assembly 717 is received with transmitting optical assembly 716 on the contrary, for opto-electronic conversion, optical signal will be received and be converted to
Electric signal.
Limiting amplifier 715 is amplified output for that will receive the transformed light current electric signal of optical assembly.
Power-up initializing and configuration of the processor 718 for each component part of optical module, work supervision etc..
With reference to shown in attached drawing 8, the embodiment of the present invention provides a kind of optical module, for implementing above-mentioned optical module controlling party
Method, the optical module include VCC3 pins, SCL pins, SDA pins, MOD_ABS pins, MOD_NR pins, RX_LOS pins, GND
Pin, GND pins, RD- pins, RD+ pins, GND pins, VCC2 pins, P_DOWN/RST pins, VCC2 pins, GND pipes
Foot, ADJUST_M pins, GND pins, GND pins, TD- pins, TD+ pins,
GND pins.
Specifically, optical module receives the balanced set information of system single board transmission by ADJUST_M pins, and pass through
ADJUST_M pins send adjustment ending message to system single board.
Preferably, the concrete function of above-mentioned pin is as shown in the table：
Preferably, ADJUST_M pins are initialized as low level, when system single board sends balanced set information to optical module
When, ADJUST_M pins are set to high level by system single board, and optical module is triggered to light by the level rising edge of ADJUST_M pins
The adjustment of receiving end equalizer settings value in module after optical module completes internal receiving end balanced device adjustment, sends to system single board and adjusts
Whole ending message drags down ADJUST_M pin level, is passed through by the level failing edge triggering system single board of ADJUST_M pins
Optical module sends the first traffic data to the second optical communication terminal, allows receiving end data weight of the system single board to the optical module
It is new to carry out data check.
Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are only schematical, for example, the unit
It divides, only a kind of division of logic function can have other dividing mode, such as multiple units or component in actual implementation
It may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, equipment or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of optical module control method, applied to optical module, which is characterized in that the optical module is connect with system single board,
Described in system single board and optical module belong to the first optical communication terminal, the method includes：
The optical module forwards the first traffic data of the system single board transmission to the second optical communication terminal；
The optical module forwards second optical communication terminal to be sent according to first traffic data to the system single board
The second traffic data；
The optical module receives the balanced set information that the system single board is sent, and the equilibrium set information is the system list
Plate is sent according to second traffic data and first traffic data to the optical module；
The optical module is according to the balanced balanced setup parameter of set information adjustment.
2. optical module control method according to claim 1, which is characterized in that the optical module is adjusted according to the setting
The balanced setup parameter of information adjustment includes：
The optical module tends to according to first according to the default step-length adjustment balanced setting ginseng according to the balanced set information
Number.
3. optical module control method according to claim 2, which is characterized in that when the balanced setup parameter reaches boundary
During threshold value, the balanced setup parameter is set as initial setting parameter.
4. the optical module control method according to Claims 2 or 3, which is characterized in that whole to optic communication in the optical module
Before end forwards the first traffic data that the system single board is sent, the method further includes：
The optical module reads the balanced setup parameter in memory；
The optical module further includes later according to the balanced balanced setting of set information adjustment：
Balanced setup parameter after storage adjustment.
5. a kind of optical module, which is characterized in that the optical module is connect with system single board, wherein the system single board and optical module
Belong to the first optical communication terminal, including：
Transmit-Receive Unit for receiving the first traffic data that the system single board is sent, and is forwarded to the second optical communication terminal
First traffic data receives the second business that second optical communication terminal is sent according to first traffic data
Flow data, and second traffic data is forwarded to the system single board, receive the balanced setting that the system single board is sent
Information, the equilibrium set information are the system single board according to second traffic data and the first business fluxion
It is sent according to the optical module；
Processing unit, for according to the balanced balanced setup parameter of set information adjustment.
6. optical module according to claim 5, which is characterized in that the processing unit is specifically used for being set according to the equilibrium
Determine information, tend to according to first according to the default step-length adjustment balanced setup parameter.
7. optical module according to claim 6, which is characterized in that the processing unit is specifically used for, when the equilibrium is set
When determining parameter and reaching boundary threshold, the balanced setup parameter is set as initial setting parameter.
8. optical module according to claim 5 or 6, which is characterized in that the processing unit is additionally operable to, and reads the equilibrium
Setup parameter；
The processing unit is additionally operable to：
Balanced setup parameter after storage adjustment.
9. a kind of optical communication terminal is including any one optical module in claim 5-8 and with what the optical module was connect
System veneer, the system single board are used for：
First traffic data is sent to the second optical communication terminal by the optical module；
The second business sent by optical module reception second optical communication terminal according to first traffic data
Flow data；
Balanced set information is sent to the optical module according to second traffic data and first traffic data,
In order to which the optical module is according to the balanced balanced setup parameter of set information adjustment.
10. optical communication terminal according to claim 9, which is characterized in that the system single board is specifically used for, according to described
Second traffic data and first traffic data carry out data check, when data check when the error occurs, to the light
Module sends balanced set information.
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| CN201610186803.XA CN105812064B (en) | 2016-03-29 | 2016-03-29 | A kind of optical module control method, optical module and optical communication terminal |
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| CN106330304A (en) * | 2016-08-18 | 2017-01-11 | 青岛海信宽带多媒体技术有限公司 | Optical module automatic equalization method and optical module |
| CN108900251A (en) * | 2018-06-21 | 2018-11-27 | 青岛海信宽带多媒体技术有限公司 | A kind of optimization method, device and the optical module of optical module balance parameters |
| CN108449219B (en) * | 2018-06-21 | 2021-05-14 | 武汉意谷光电科技有限公司 | Method and system for automatically optimizing configuration of optical module |
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|---|---|---|---|---|
| US6595708B1 (en) * | 1998-12-10 | 2003-07-22 | Opnext Japan, Inc. | Optical receiver circuit and optical module using same in optical communication system |
| CN102917283A (en) * | 2012-10-15 | 2013-02-06 | 青岛海信宽带多媒体技术有限公司 | Optical network unit and optical module in optical network unit |
| CN203788292U (en) * | 2014-02-21 | 2014-08-20 | 中兴通讯股份有限公司 | Optical transceiver integrated module structure, passive optical network system and optical transmission system |
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2016
- 2016-03-29 CN CN201610186803.XA patent/CN105812064B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595708B1 (en) * | 1998-12-10 | 2003-07-22 | Opnext Japan, Inc. | Optical receiver circuit and optical module using same in optical communication system |
| CN102917283A (en) * | 2012-10-15 | 2013-02-06 | 青岛海信宽带多媒体技术有限公司 | Optical network unit and optical module in optical network unit |
| CN203788292U (en) * | 2014-02-21 | 2014-08-20 | 中兴通讯股份有限公司 | Optical transceiver integrated module structure, passive optical network system and optical transmission system |
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