CN105812064A - Optical module control method, optical module and optical communication terminal - Google Patents
Optical module control method, optical module and optical communication terminal Download PDFInfo
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- CN105812064A CN105812064A CN201610186803.XA CN201610186803A CN105812064A CN 105812064 A CN105812064 A CN 105812064A CN 201610186803 A CN201610186803 A CN 201610186803A CN 105812064 A CN105812064 A CN 105812064A
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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
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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 of the invention provides an optical module control method, an optical module and an optical communication terminal, relates to the technical field of optical fiber communication, and aims to eliminate influence of a transmission environment corresponding to the optical module on a signal transmitted by the optical module. In the optical module control method, a system single board is connected with the optical module, and the system single board and the optical module belong to a first optical communication terminal. The method comprises: the optical module forwards first service flow data sent by the system single board to a second optical communication terminal; the optical module forwards second service flow data sent by the second optical communication terminal according to the first service flow data to the system single board; the optical module receives balance setting information sent by the system single board, wherein the balance setting information is sent by the system single board to the optical module according to the second service flow data and the first service flow data; and the optical module adjusts a balance setting parameter according to the balance setting information. The embodiment of the invention is used for controlling the optical module.
Description
Technical field
The present invention relates to technical field of optical fiber communication, particularly relate to a kind of optical module control method, optical module and optical communication terminal.
Background technology
Fibre Optical Communication Technology is one of Primary communication technology of use in current Internet communication system; owing to optical fiber communication equipment is when carrying out signal transmission; multiplexing would generally be adopted; cause to produce time delay by the signal of different path transmissions when arriving receiving terminal; cause between different light pulse signal temporal overlapped, produce intersymbol interference；Simultaneously when optical fiber communication equipment the situation of bandwidth deficiency occurs for the transmission path carrying out signal transmission, signal attenuation can be caused, signal is made to broaden on frequency spectrum, the code element stoping this signal completes conversion within its respective clock cycle, make this code element can not reach full swing within its clock cycle, so that extending to next code element, produce intersymbol interference.Under normal circumstances, at optical fiber communication equipment when being transmitted the relatively low signal of speed and transmitting, owing to signal time delay is far smaller than code-element period, occurring that the probability of intersymbol interference is relatively low, intersymbol interference is negligible.But the development along with communication technology, the demand of message transmission rate is also gradually increasing by communication system, the speed that optical fiber communication equipment carries out data transmission also is accelerated therewith, cause that optical fiber communication equipment uses optical signal to occur that the probability of intersymbol interference also rises therewith when carrying out data transmission, thus reducing efficiency and the reliability of data transmission.
Optical module is the integrated communication interface device providing photoelectricity-electro-optic conversion ability in optical fiber communication equipment, and optical module is connected use with system single board in a communications system.In order to reduce data transmission in communication system, the probability of intersymbol interference occurs, generally in optical module, independently received signal is carried out equilibrium, to reach the purpose that the frequency compensation to received signal optimizes, so that the intersymbol interference in data transmission reduces, it is ensured that signal is efficiently transmitted over a channel.Optical module is in the process that received signal carries out equilibrium, generally use the fixed value being stored in himself read-only memory as the balanced setup parameter signal equalization to receiving, this fixed value is generally the value rule of thumb concluded or the value for providing the equipment supplier of system single board to obtain according to dependence test.nullBut when optical module carries out the transmission environment appearance variation of signal transmission，Such as optical module needs to mate new veneer or when transmission path corresponding to optical module variation occurs，Optical module cannot use before the fixed value being stored in bin as optical module optimal equalization setup parameter under current transmission environment，Need to utilize other equipment that the current transmission environment of optical module is tested，To determine optical module balanced setup parameter under current transmission environment，And test income equilibrium setup parameter is carried on optical module，Afterwards the optical communication equipment at optical module place is carried out temperature and follow test transmission，Effectiveness with exact p-value income equilibrium setup parameter，Thus adding extra resource consumption，Reduce optical module compatibility under different transmission environments，And data transmission efficiency and reliability，Add the cost of data transmission.
Summary of the invention
A kind of optical module control method, optical module and the optical communication terminal that embodiments of the invention provide, it is possible to eliminate the transmission environment corresponding to optical module and the transmitted signal of optical module is interfered.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, embodiments provides a kind of optical module control method, is applied to optical module, and optical module is connected with system single board, and wherein system single board and optical module belong to the first optical communication terminal, and the method includes:
The first traffic data that optical module sends to the second optical communication terminal repeater system veneer；
Optical module forwards, to system single board, the second traffic data that the second optical communication terminal sends according to the first traffic data；
Optical module receives the balanced set information that system single board sends, and balanced set information is that system single board sends to optical module according to the second traffic data and the first traffic data；
Optical module adjusts balanced setup parameter according to balanced set information.
Second aspect, embodiments provides a kind of optical module, it is characterised in that optical module is connected with system single board, and wherein system single board and optical module belong to the first optical communication terminal, including:
Transmit-Receive Unit, for receiving the first traffic data that system single board sends, and forward the first traffic data to the second optical communication terminal, receive the second traffic data that the second optical communication terminal sends according to the first traffic data, and forward the second traffic data to system single board, receiving the balanced set information that system single board sends, balanced set information is that system single board sends to optical module according to the second traffic data and the first traffic data；
Processing unit, for adjusting balanced setup parameter according to balanced set information.
The third aspect, embodiments provides a kind of optical communication terminal, and including the optical module provided in above-mentioned first aspect and the system single board being connected with optical module, system single board is used for:
The first traffic data is sent to the second optical communication terminal by optical module；
The second traffic data that the second optical communication terminal sends is received according to the first traffic data by optical module；
Balanced set information is sent to optical module, in order to optical module adjusts balanced setup parameter according to balanced set information according to the second traffic data and the first traffic data.
nullThe optical module control method that embodiments of the invention provide、Optical module and optical communication terminal，First system single board sends the first traffic data by optical module to the second optical communication terminal，And the second traffic data that the second optical communication terminal receiving optical module forwarding sends according to the first traffic data，The interference to the transmitted signal of optical module of the transmission environment corresponding to optical module is obtained afterwards according to the first traffic data and the second traffic data，And the interference of the transmitted signal of optical module is sent balanced set information to optical module by the transmission environment corresponding to optical module，Optical module is made to adjust balanced setup parameter according to this equilibrium set information，Make optical module, when receiving signal, received signal be carried out equilibrium，Reach to eliminate the purpose that the transmitted signal of optical module is interfered by the transmission environment corresponding to optical module，So that the intersymbol interference in data transmission reduces，Ensure that signal is efficiently transmitted over a channel，Therefore the optical module control method that embodiments of the invention provide improves optical module compatibility under different transmission environments、The efficiency of data transmission and reliability，Reduce the cost of data transmission.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic diagram of the optical communication system that Fig. 1 provides for embodiments of the invention；
The schematic diagram of another optical communication system that Fig. 2 provides for the embodiment of the present invention；
The indicative flowchart of the optical module control method that Fig. 3 provides for the embodiment of the present invention；
The indicative flowchart of the another kind of optical module control method that Fig. 4 provides for the embodiment of the present invention；
The schematic diagram of the optical module that Fig. 5 provides for the embodiment of the present invention；
The schematic diagram of the optical communication terminal that Fig. 6 provides for the embodiment of the present invention；
The schematic diagram of the another kind of optical communication system that Fig. 7 provides for the embodiment of the present invention；
The schematic pin figure of the optical module that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
At present, in order to solve optical fiber communication equipment use optical signal carry out data transmission time, the problem making signal to be efficiently transmitted over a channel owing to intersymbol interference occurring, typically via in optical module, its received signal is carried out equilibrium, the frequency of its received signal is compensated optimization so that it is the infringement that signal transmission is caused by received signal due to intersymbol interference reduces.As shown in Figure 1, optical module 102 one end is connected with system single board 101, and the other end is with communication ends 103 even.Optical module 102 receives the signal that communication ends 103 sends, and according to the balanced setup parameter being stored on optical module 102, optical module 102 sets equalizer configuration, and utilizing the equalizer set that received signal is carried out equilibrium, the frequency to reach its received signal compensates the purpose of optimization.Balanced setup parameter owing to being stored on optical module 102 is generally the value rule of thumb concluded or the value for providing the equipment supplier of system single board to obtain according to dependence test.nullBut when optical module 102 carries out the transmission environment appearance variation of signal transmission，As shown in Figure 1，When optical module 102 needs to mate with system single board 111，Or when optical module 102 needs and communication ends 113 communicates，Owing to variation occurs in the transmission path of optical module 102 correspondence，It is stored in the balanced setup parameter in optical module 102 and cannot transmit optimal equalization setup parameter corresponding after path changes as optical module 102，It is thus desirable to optical module 102 current transmission environment is tested by service provider or other equipment of plant maintenance librarian use such as transmission path testing equipment，To determine optical module 102 balanced setup parameter under current transmission environment，And test income equilibrium setup parameter is carried on optical module 102，Afterwards the system single board corresponding to optical module 102 and optical module 102 is together carried out temperature and follow test transmission，To confirm when optical module 102 is positioned under current transmission environment，The effectiveness of obtained balanced setup parameter，Thus adding extra resource consumption，Reduce optical module compatibility under different transmission environments，And data transmission efficiency and reliability，Add the cost of data transmission.
In order to solve the problems referred to above, the embodiment of the present invention provides a kind of optical module control method, it is applied in the first communication ends 201 as shown in Figure 2, wherein the first communication ends 201 includes interconnective system single board 202 and optical module 203, optical module 203 is connected with the second optical communication terminal 211, as shown in Figure 3, the method includes:
301, system single board sends the first traffic data to optical module.
System single board sends the first traffic data to optical module, the transmission environment that first traffic data is currently corresponding for evaluating optical module, concrete, first traffic data can include the business information that system single board sends to the second optical communication terminal, the transmission environment that this business information is currently corresponding for evaluating optical module, the first traffic data can also include the packing parameter of the address of the second optical communication terminal or business datum, the control command etc. to the second optical communication terminal.
302, optical module forwards the first traffic data to the second optical communication terminal.
The first traffic data received is forwarded by optical module to the second optical communication terminal, and wherein optical module forwards to the second optical communication terminal specifically for the first traffic data is converted to optical signal.
303, optical module receives the second traffic data that the second optical communication terminal sends according to the first traffic data.
Wherein the second traffic data is that the second optical communication terminal sends to optical module according to the first traffic data, first traffic data can be carried out process according to default process strategy and obtain the second traffic data by the second optical communication terminal, it is also possible to the first traffic data received sent as the second traffic data to optical module.Concrete, second traffic data can include the business information that optical module obtains according to the first traffic data, second traffic data can also include the address of optical module place the first optical communication terminal or the packing parameter of business information, reporting information etc. to the first optical communication terminal, preferably, second optical communication terminal obtains the business information in the first traffic data according to the first traffic data received, and sent the second traffic data including this business information to optical module by optical signal, second optical communication terminal can to this business information without modification.
304, optical module forwards the second traffic data to system single board.
The second traffic data received is forwarded by optical module to system single board, and wherein optical module forwards to system single board specifically for the second traffic data is converted to the signal of telecommunication.
305, system single board sends balanced set information according to the second traffic data and the first traffic data to optical module.
System single board is by comparing the second traffic data and the first traffic data, obtain the interference that its data transmitted are caused by the transmission environment of optical module, and the interference its data transmitted caused according to the transmission environment of optical module sends balanced set information to optical module, this equilibrium set information for adjusting balanced setup parameter to optical module equilibrium setup parameter, balanced set information can be analog information, it is also possible to for digital information.
Concrete, system single board obtains the business information in the second traffic data, and the business information in the first traffic data is contrasted with the business information in the second traffic data, when the business information in the second traffic data is compared with the business information in the first traffic data, there is the interference because business information is caused by the transmission environment of optical module, such as, business information in the first traffic data contrasts with the business information in the second traffic data, packet loss occurs, wrong bag, during time delay etc., the interference that business information is caused by the transmission environment according to optical module sends balanced set information to optical module, this equilibrium set information can include the adjustment trend that optical module equilibrium sets, adjustment amplitude etc..
306, optical module adjusts balanced setup parameter according to the balanced set information received.
Optical module adjusts balanced setup parameter according to the balanced set information received thus the signal received being carried out equilibrium according to the balanced setup parameter after adjusting in optical module in optical module, to reach the purpose that the frequency compensation to received signal optimizes, concrete, optical module tends to according to the balanced equilibrium set in the balanced set information adjustment optical module received, equalizing amplitude.
nullThe optical module control method that embodiments of the invention provide，First system single board sends the first traffic data by optical module to the second optical communication terminal，And the second traffic data that the second optical communication terminal receiving optical module forwarding sends according to the first traffic data，Afterwards according to the first traffic data and the second traffic data，Obtain the interference to the transmitted signal of optical module of the transmission environment corresponding to optical module，And the interference of the transmitted signal of optical module is sent balanced set information to optical module by the transmission environment corresponding to optical module，Optical module is made to adjust balanced setup parameter according to this equilibrium set information，Make optical module, when receiving signal, received signal be carried out equilibrium，Reach to eliminate the purpose that the transmitted signal of optical module is interfered by the transmission environment corresponding to optical module，So that the intersymbol interference in data transmission reduces，Ensure that signal is efficiently transmitted over a channel，Therefore the optical module control method that embodiments of the invention provide improves optical module compatibility under different transmission environments、The efficiency of data transmission and reliability，Reduce the cost of data transmission.Concrete, the embodiment of the present invention provides a kind of optical module control method, it is applied in the first communication ends 201 as shown in Figure 2, wherein the first communication ends 201 includes interconnective system single board 202 and optical module 203, optical module 203 is connected with the second optical communication terminal 211, as shown in Figure 4, the method includes:
401, system single board sends the first traffic data to optical module.
Referring in particular to above-mentioned steps 301, do not repeat them here.
Preferably, sending the first traffic data at system single board to optical module, optical module can read balanced setup parameter in internal memory, and wherein balanced setup parameter can for being previously stored in optical module, it is also possible to is stored in other devices.
402, optical module forwards the first traffic data to the second optical communication terminal.
Referring in particular to above-mentioned steps 402, do not repeat them here.
403, optical module receives the second traffic data that the second optical communication terminal sends according to the first traffic data.
Referring in particular to above-mentioned steps 403, do not repeat them here.
404, optical module forwards the second traffic data to system single board.
Referring in particular to above-mentioned steps 404, do not repeat them here.
405, 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, obtain data and send to the second optical communication terminal and after returning optical module by transmission environment between optical module and the second optical communication terminal from optical module, the interference suffered by data.Wherein system single board can be made directly the second traffic data and the first traffic data or the second traffic data and compare with the business datum included by the first traffic data, when the data compared are completely the same, the data that optical module transmits are not subject to the interference of transmission environment corresponding to optical module；Second traffic data business datum included by the second traffic data and business datum relevant parameter can also be carried out data check by system single board, and exemplary, the second traffic data is carried out even-odd check or redundancy check by system single board.
406, when mistake occurs in data check, system single board sends balanced set information to optical module.
When there is mistake in data check, represent that the data that optical module is transmitted by the transmission environment that optical module is corresponding exist interference, system single board sends balanced set information to optical module, to adjust the balanced setup parameter in optical module, concrete, when there is mistake in data check, system single board can send balanced set information set in advance to optical module, type and the concrete wrong parameter of the mistake that system single board can also occur according to data check, balanced set information is sent to optical module, so that type and the concrete wrong parameter of mistake that optical module occurs according to data check, concrete eliminates the transmission environment interference to transmitted data.Balanced set information can be analog information, it is also possible to for digital information.
407, optical module is according to balanced set information, tends to according to presetting the balanced setup parameter of step-length adjustment according to first.
The balanced set information that optical module sends according to system single board, tend to according to presetting the balanced setup parameter of step-length adjustment according to first, wherein the first trend or default step-length can for being preset in optical module, it is also possible to the balanced set information sent according to system single board for optical module obtains.First tends to for the direction that adjusts of equilibrium setup parameter or mode, default step-length is adjust the amplitude that balanced setup parameter adjusts each time, such as using balanced setup parameter setup parameter plus presetting step-length as the balanced setup parameter after adjusting, or balanced setup parameter is multiplied by default step-length as the balanced setup parameter after adjusting.Preferably, tend to according to presetting step-length adjustment equilibrium setup parameter for equilibrium setup parameter is added 1 according to first.
Preferably, when balanced setup parameter reaches boundary threshold, equilibrium setup parameter is set as initial setup parameter.Wherein boundary threshold can be the maximum that balanced setup parameter can reach, it is also possible to for the minima that balanced setup parameter can reach, initial setup parameter can for being preset in optical module, it is also possible to for being arranged in optical module by other devices.Exemplary, when balanced setup parameter is more than or equal to maximum, equilibrium setup parameter is set to 0.
Preferably, the balanced setup parameter that optical module can will store after adjusting.Wherein the balanced setup parameter after adjusting can be stored in optical module by optical module, it is also possible to the balanced setup parameter after just adjusting is stored in other devices.
408, optical module sends to system single board and adjusts ending message.
Optical module, after detecting that optical module completes according to balanced set information to adjust balanced setup parameter, sends to system single board and adjusts ending message, and notice system single board optical module has completed the adjustment to balanced setup parameter.Adjusting ending message can be analog information, it is also possible to for digital information.
409, system single board sends the first traffic data according to adjusting 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 test optical module after balanced setup parameter adjusts, if can eliminate the interference to transmitted signal of the transmission environment corresponding to optical module.
nullThe optical module control method that embodiments of the invention provide，First system single board sends the first traffic data by optical module to the second optical communication terminal，And the second traffic data that the second optical communication terminal receiving optical module forwarding sends according to the first traffic data，Data check is carried out afterwards according to the first traffic data and the second traffic data，To judge whether the transmission environment corresponding to optical module interferes the transmitted signal of optical module，When there is mistake in data check，System single board sends balanced set information to optical module，Optical module is made to obtain the interference that the transmitted signal of optical module is caused by the transmission environment corresponding to optical module，Afterwards according to this equilibrium set information，Tend to according to first and default step-length adjusts balanced setup parameter，Thus there being purpose to eliminate the interference that the transmitted signal of optical module is caused by the transmission environment corresponding to optical module，The intersymbol interference in data transmission is made to reduce，Ensure that signal is efficiently transmitted over a channel，And after complete to adjust balanced setup parameter according to this equilibrium set information，Send to system single board and adjust ending message，System single board is made to send the first traffic data according to after adjusting ending message to optical module，The optical module after adjusting balanced setup parameter is completed according to balanced set information with test，Whether can eliminate the interference that the transmitted signal of optical module is caused by the transmission environment corresponding to optical module.Therefore the optical module control method that embodiments of the invention provide improves optical module compatibility under different transmission environments, the efficiency of data transmission and reliability, reduces the cost of data transmission.
With reference to shown in accompanying drawing 5, embodiments of the invention provide a kind of optical module 501, and for implementing the optical module control method in above-described embodiment, this optical module 501 is connected with system single board, and system single board and optical module 501 belong to same optical communication terminal, this optical module 501 includes:
Transmit-Receive Unit 502, for receiving the first traffic data that system single board sends, and forward the first traffic data to the second optical communication terminal, receive the second traffic data that the second optical communication terminal sends according to the first traffic data, and forward the second traffic data to system single board, receiving the balanced set information that system single board sends, balanced set information is that system single board sends to optical module according to the second traffic data and the first traffic data.
Referring in particular to above-described embodiment, do not repeat them here.
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, thus the signal received being carried out equilibrium according to the balanced setup parameter after adjusting in optical module, to reach the purpose that the frequency compensation to received signal optimizes, concrete, processing unit 503 adjusts the balanced trend of balanced setup parameter, equalizing amplitude in optical module according to the balanced set information received.
nullThe optical module that embodiments of the invention provide，The first traffic data is sent to the second optical communication terminal by Transmit-Receive Unit 502 repeater system veneer，And second the second traffic data that send to system single board according to the first traffic data of optical communication terminal，The balanced set information obtained with the second traffic data according to the first traffic data by Transmit-Receive Unit 502 system single board afterwards，Balanced setup parameter is adjusted according to the balanced set information received by processing unit 503，Optical module is made according to the balanced setup parameter after adjusting, received signal to be carried out equilibrium when receiving signal，Reach to eliminate the purpose that the transmitted signal of optical module is interfered by the transmission environment corresponding to optical module，So that the intersymbol interference in data transmission reduces，Ensure that signal is efficiently transmitted over a channel，Therefore the optical module control method that embodiments of the invention provide improves optical module compatibility under different transmission environments、The efficiency of data transmission and reliability，Reduce the cost of data transmission.
Concrete, processing unit 503 is additionally operable to:
Adjustment ending message is sent to system single board, in order to system single board sends first traffic data by optical module to the second optical communication terminal according to adjusting ending message by Transmit-Receive Unit 502.
Processing unit 503, after completing according to balanced set information to adjust balanced setup parameter, is sent to system single board by Transmit-Receive Unit 502 and adjusts ending message, to notify that system single board optical module has completed the adjustment to balanced setup parameter.Adjusting ending message can be analog information, it is also possible to for digital information.
Concrete, processing unit 503, according to balanced set information, tends to adjust balanced setup parameter according to default step-length according to first.
The balanced set information that processing unit 503 sends according to system single board, tend to according to presetting the balanced setup parameter of step-length adjustment according to first, wherein the first trend or default step-length can for being preset in optical module, it is also possible to the balanced set information sent according to system single board for processing unit 503 obtains.First tends to for the direction that adjusts of equilibrium setup parameter or mode, such as using balanced setup parameter plus presetting step-length as the balanced setup parameter after adjusting, or balanced setup parameter is multiplied by default step-length as the balanced setup parameter after adjustment, default step-length is adjust the amplitude that balanced setup parameter adjusts each time.Preferably, tend to according to presetting step-length adjustment equilibrium setup parameter for equilibrium setup parameter is added 1 according to first.
Concrete, processing unit 503 is additionally operable to, and when balanced setup parameter reaches boundary threshold, equilibrium setup parameter is set as initial setup parameter.
When balanced setup parameter reaches boundary threshold, equilibrium setup parameter is set as initial setup parameter.Wherein boundary threshold can be the maximum that balanced setup parameter can reach, it is also possible to for the minima that balanced setup parameter can reach, exemplary, when balanced setup parameter is more than or equal to maximum, equilibrium setup parameter is set to 0.
Concrete, processing unit 503 is additionally operable to, and before forwarding the first traffic data by Transmit-Receive Unit 502 to optical communication terminal, reads balanced setup parameter in internal memory；After processing unit 503 adjusts equilibrium setting according to balanced set information, processing unit 503 stores the balanced setup parameter after adjusting.
With reference to shown in accompanying drawing 6, embodiments of the invention provide a kind of optical communication terminal, and including the optical module 603 in above-described embodiment, this optical module 603 is connected with system single board 602.
In the optical module that embodiment provided by the invention provides, Transmit-Receive Unit 502 can be possess the interface circuit sending receive capabilities on optical module, such as transmitter or information transmission interface；Processing unit 503, it can be the processor individually set up, data transmission and data receiver is carried out for controlling Transmit-Receive Unit 502, the processor individually set up can also be integrated in some processor of optical module and realize, in addition, can also be stored in the memorizer of optical module with the form of program code, some processor of optical module call and perform the function of above processing unit 503.
Processor described here can be a central processing unit (English full name: centralprocessingunit, English abbreviation: CPU), or specific integrated circuit (English full name: applicationspecificintegratedcircuit, English abbreviation: ASIC), or it is configured to implement one or more integrated circuits of the embodiment of the present invention.
System single board 602, for sending the first traffic data by optical module 603 to the second optical communication terminal being connected with optical communication terminal, and receives, by optical module 603, the second traffic data that the second optical communication terminal sends according to the first traffic data；System single board 602 is additionally operable to send balanced set information by Transmit-Receive Unit to optical module 603 according to the second traffic data and the first traffic data, in order to 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, first traffic data is for evaluating the current corresponding transmission environment of optical module 603, concrete, first traffic data can include the business information that system single board 602 sends to the second optical communication terminal, this business information is for evaluating the current corresponding transmission environment of optical module 603, and the first traffic data can also include the packing parameter of the address of the second optical communication terminal or business datum, the control command etc. to the second optical communication terminal.
The first traffic data received is forwarded by optical module 603 to the second optical communication terminal, and wherein optical module 603 forwards to the second optical communication terminal specifically for the first traffic data is converted to optical signal.
Wherein the second traffic data is that the second optical communication terminal sends to optical module 603 according to the first traffic data, first traffic data can be carried out process according to default process strategy and obtain the second traffic data by the second optical communication terminal, it is also possible to the first traffic data received sent as the second traffic data to optical module 603.Preferably, second traffic data can include the business information that optical module 603 obtains according to the first traffic data, second traffic data can also include the packing parameter of the address of optical communication terminal or business information, the reporting information etc. to optical communication terminal, preferably, second optical communication terminal obtains the business information in the first traffic data according to the first traffic data received, and sent the second traffic data including this business information to optical module 603 by optical signal, the second optical communication terminal can to this business information without modification.
The second traffic data received is forwarded by optical module 603 to system single board 602, and wherein optical module 603 forwards to system single board 602 specifically for the second traffic data is converted to the signal of telecommunication.
System single board 602 is by comparing the second traffic data and the first traffic data, obtain the interference that its data transmitted are caused by the transmission environment of optical module 603, and the interference its data transmitted caused according to the transmission environment of optical module 603 sends balanced set information to optical module 603, this equilibrium set information for adjusting balanced setup parameter to optical module 603, balanced set information can be analog information, it is also possible to for digital information.
Preferably, system single board 602 obtains the business information in the second traffic data, and the business information in the first traffic data is contrasted with the business information in the second traffic data, when the business information in the second traffic data is compared with the business information in the first traffic data, there is the interference because business information is caused by the transmission environment of optical module 603, such as, business information in the first traffic data contrasts with the business information in the second traffic data, packet loss occurs, wrong bag, during time delay etc., the interference that business information is caused by the transmission environment according to optical module 603 sends balanced set information to optical module 603, this equilibrium set information can include the adjustment of the balanced setup parameter of optical module 603 and tend to, adjustment amplitude etc..
Optical module 603 adjusts balanced setup parameter according to the balanced set information received in optical module 603, thus the signal received being carried out equilibrium according to balanced setup parameter in optical module 603, to reach the purpose that the frequency compensation to received signal optimizes, concrete, optical module 603 adjusts the balanced trend of balanced setup parameter, equalizing amplitude in optical module 603 according to the balanced set information received.
nullThe optical communication terminal that embodiments of the invention provide，Including interconnective optical module and system single board，System single board sends the first traffic data by optical module to the second optical communication terminal，And the second traffic data that the second optical communication terminal receiving optical module forwarding sends according to the first traffic data，System single board is according to the first traffic data and the second traffic data afterwards，Obtain the interference to the transmitted signal of optical module of the transmission environment corresponding to optical module，And the interference of the transmitted signal of optical module is sent balanced set information to optical module by the transmission environment corresponding to optical module，So that optical module adjusts balanced setup parameter according to this equilibrium set information，Optical module is made according to the balanced setup parameter after adjusting, received signal to be carried out equilibrium when receiving signal，Reach to eliminate the purpose that the transmitted signal of optical module is interfered by the transmission environment corresponding to optical module，So that the intersymbol interference in data transmission reduces，Ensure that signal is efficiently transmitted over a channel，Therefore the optical communication terminal that embodiments of the invention provide improves optical module compatibility under different transmission environments、The efficiency of data transmission and reliability，Reduce the cost of data transmission.
Concrete, system single board 602 specifically for, the second traffic data and the first traffic data are carried out data check, when mistake occurs in data check, 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, obtain data and send to the second optical communication terminal and after returning optical module 603 by transmission environment between optical module 603 and the second optical communication terminal from optical module 603, the interference suffered by data.Wherein system single board 602 can be made directly the second traffic data and the first traffic data or the second traffic data and compare with the business datum included by the first traffic data, when the data compared are completely the same, the data that optical module 603 transmits are not subject to the interference of transmission environment corresponding to optical module 603；Second traffic data business datum included by the second traffic data and business datum relevant parameter can also be carried out data check by system single board 602, and exemplary, the second traffic data is carried out even-odd check or redundancy check by system single board 602.
When there is mistake in data check, represent that the data that optical module 603 is transmitted by the transmission environment of optical module 603 correspondence exist interference, system single board 602 sends balanced set information to optical module 603, to adjust the balanced setup parameter in optical module 603, concrete, type and the concrete wrong parameter of the mistake that system single board 602 can occur according to data check, balanced set information is sent to optical module 603, so that type and the concrete wrong parameter of mistake that optical module 603 occurs according to data check, eliminate the transmission environment interference to transmitted data targetedly.Balanced set information can be analog information, it is also possible to for digital information.
Optionally, system single board 602 is additionally operable to, and receives the adjustment ending message that optical module 603 sends.
System single board 602 is additionally operable to, and sends first traffic data by optical module 603 to the second optical communication terminal according to adjusting ending message.
System single board 602 receives optical module 603 the adjustment ending message sent after optical module 603 completes to adjust balanced setup parameter being detected according to balanced set information, adjusts ending message for notifying that system single board 602 optical module 603 has completed the adjustment to balanced setup parameter.Adjusting ending message can be analog information, it is also possible to for digital information.
The adjustment ending message that system single board 602 is sent out according to optical module 603, the first traffic data is sent to optical module 603, to test optical module 603 after balanced setup parameter adjusts, if the transmission environment interference to transmitted signal corresponding to optical module 603 can be eliminated.
With reference to shown in accompanying drawing 7, embodiments of the invention provide 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 are connected with optical module.
Processor 702, for performing the program being stored therein in, controls physical chip 703, interface chip 704, modular jack 705.
Concrete, processor 702 is used for power-up initializing and the configuration of each ingredient in system single board, work supervision etc..
Physical chip 703 is used for processing Ethernet data bag and data check.
Interface chip 704 is interface level matching chip.
With reference to shown in accompanying drawing 7, embodiments of the invention provide a kind of optical module 711, for implementing above-mentioned optical module control method, including: the first clock and data recovery module 712, plays CD-ROM driver 714, launches optical assembly 716, second data recovery module 713 all the time, limiting amplifier 715, receives optical assembly 717, processor 718.
Wherein, system single board and the first clock and data recovery module 712 and second data recovery module 713 all the time, processor 718 connects, processor 718 also with the first clock and data recovery module 712, second data recovery module 713 all the time, laser driver 714, limiting amplifier 715 connects, first clock and data recovery module 712 is connected with launching optical assembly 716 by laser driver 714, second clock data recovery module 713 is connected with receiving optical assembly 717 by limiting amplifier 715, launch optical assembly 716 and reception optical assembly 717 is connected with the second optical communication terminal.
Processor 718 performs the function of processing unit in above-described embodiment for the program performing to be stored therein in, first clock and data recovery module 712, laser driver 714, launch optical assembly 716, second data recovery module 713 all the time, limiting amplifier 715, receives optical assembly 717 for performing the function of Transmit-Receive Unit in above-described embodiment.
Concrete, the first clock and data recovery module 712 and second clock data recovery module 713, for high speed signal carries out shaping again, improve signal quality.
Laser driver 714 is used for driving transmitting optical assembly 716 luminous, sends high speed signal.
Launching optical assembly 716 is semiconductor laser, for electro-optic conversion, high speed signal is converted to optical signal and sends.
Receive optical assembly 717 effect contrary with launching optical assembly 716, for opto-electronic conversion, reception optical signal is converted to the signal of telecommunication.
Limiting amplifier 715 is for being amplified output by receiving the light current signal of telecommunication after optical assembly is changed.
Processor 718 is used for power-up initializing and the configuration of each ingredient of optical module, work supervision etc..
With reference to shown in accompanying drawing 8, embodiments of the invention provide a kind of optical module, for implementing above-mentioned optical module control method, this optical module include VCC3 pin, SCL pin, SDA pin, MOD_ABS pin, MOD_NR pin, RX_LOS pin, GND pin, GND pin, RD-pin, RD+ pin, GND pin, VCC2 pin, P_DOWN/RST pin, VCC2 pin, GND pin, ADJUST_M pin, GND pin, GND pin, TD-pin, TD+ pin,
GND pin.
Concrete, optical module passes through ADJUST_M pin and receives the balanced set information that system single board sends, and sends adjustment ending message by ADJUST_M pin to system single board.
Preferably, the concrete function of above-mentioned pin is as shown in the table:
Preferably, ADJUST_M pin is initialized as low level, when system single board sends balanced set information to optical module, ADJUST_M pin is set to high level by system single board, optical module is triggered to the adjustment of receiving end equalizer settings value in optical module by the level rising edge of ADJUST_M pin, after optical module completes internal receiving end equalizer adjustment, send to system single board and adjust ending message, ADJUST_M pin level is dragged down, the first traffic data is sent by optical module to the second optical communication terminal by the level trailing edge triggering system veneer of ADJUST_M pin, make system single board the receiving end data of this optical module can be re-started data check.
Those of ordinary skill in the art are it is to be appreciated that the unit of each example that describes in conjunction with the embodiments described herein and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the specific works process of the system of foregoing description, device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, equipment and method, it is possible to realize by another way.Such as, apparatus embodiments described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, equipment or unit, it is possible to be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. an optical module control method, is applied to optical module, it is characterised in that described optical module is connected with described system single board, and wherein said system single board and optical module belong to the first optical communication terminal, and described method includes:
Described optical module forwards the first traffic data of described system single board transmission to the second optical communication terminal；
Described optical module forwards described second optical communication terminal the second traffic data according to described first traffic data transmission to described system single board；
Described optical module receives the balanced set information that described system single board sends, and described balanced set information is that described system single board sends to described optical module according to described second traffic data and described first traffic data；
Described optical module adjusts balanced setup parameter according to described balanced set information.
2. optical module control method according to claim 1, it is characterised in that described optical module includes according to described setting adjustment information adjustment equilibrium setup parameter:
Described optical module, according to described balanced set information, tends to according to presetting the described balanced setup parameter of step-length adjustment according to first.
3. optical module control method according to claim 2, it is characterised in that when described balanced setup parameter reaches boundary threshold, described balanced setup parameter is set as initial setup parameter.
4. the optical module control method according to Claims 2 or 3, it is characterised in that before the first traffic data that described optical module forwards described system single board to send to optical communication terminal, described method also includes:
Described optical module reads described balanced setup parameter in internal memory；
Described optical module also includes after setting according to described balanced set information adjustment equilibrium:
Balanced setup parameter after storage adjustment.
5. an optical module, it is characterised in that described optical module is connected with system single board, wherein said system single board and optical module belong to the first optical communication terminal, including:
Transmit-Receive Unit, for receiving the first traffic data that described system single board sends, and forward described first traffic data to the second optical communication terminal, receive the second traffic data that described second optical communication terminal sends according to described first traffic data, and forward described second traffic data to described system single board, receiving the balanced set information that described system single board sends, described balanced set information is that described system single board sends to described optical module according to described second traffic data and described first traffic data；
Processing unit, for adjusting balanced setup parameter according to described balanced set information.
6. optical module according to claim 5, it is characterised in that described processing unit is specifically for according to described balanced set information, tending to according to presetting the described balanced setup parameter of step-length adjustment according to first.
7. optical module according to claim 6, it is characterised in that described processing unit specifically for, when described balanced setup parameter reaches boundary threshold, described balanced setup parameter is set as initial setup parameter.
8. the optical module according to claim 5 or 6, it is characterised in that described processing unit is additionally operable to, reads described balanced setup parameter；
Described processing unit is additionally operable to:
Balanced setup parameter after storage adjustment.
9. an optical communication terminal, including any one optical module in claim 5-8 and the system single board that is connected with described optical module, described system single board is used for:
The first traffic data is sent to the second optical communication terminal by described optical module；
The second traffic data that described second optical communication terminal sends is received according to described first traffic data by described optical module；
Balanced set information is sent to described optical module, in order to described optical module adjusts balanced setup parameter according to described balanced set information according to described second traffic data and described first traffic data.
10. optical communication terminal according to claim 9, it is characterized in that, described system single board specifically for, carry out data check according to described second traffic data and described first traffic data, when mistake occurs in data check, send balanced set information to described optical module.
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| CN108449219A (en) * | 2018-06-21 | 2018-08-24 | 武汉意谷光电科技有限公司 | A kind of method and system of optical module Automatic Optimal configuration |
| 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 |
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