CN109639347A - Optical communications module test method, device and terminal device - Google Patents
Optical communications module test method, device and terminal device Download PDFInfo
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- CN109639347A CN109639347A CN201910054919.1A CN201910054919A CN109639347A CN 109639347 A CN109639347 A CN 109639347A CN 201910054919 A CN201910054919 A CN 201910054919A CN 109639347 A CN109639347 A CN 109639347A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
- H04B10/0731—Testing or characterisation of optical devices, e.g. amplifiers
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Abstract
This application provides optical communications module test method, device and terminal devices, comprising: obtains the encoded information of optical communications module；The optimal test parameter of the optical communications module prestored is obtained according to the encoded information, and test parameter configuration information is adjusted according to the optimal test parameter；Test pattern configuration information is obtained, optical communications module test is carried out according to the test pattern configuration information and the test parameter configuration information, the first test result information is obtained, wherein first test result information includes the bit error rate of optical communications module；According to first test result information and expected results information, judgement is obtained as a result, wherein the expected results information includes the expected bit error rate.By the above method, the efficiency of optical communications module test can be improved.
Description
Technical field
The application belongs to technical field of photo communication more particularly to a kind of optical communications module test method, device and terminal are set
It is standby.
Background technique
Optical communications module generally comprises optical module and electric module, and existing optical communications module needs in production test procedure
The test to optical communications module could be completed in conjunction with multiple instruments such as Error Detector, oscillograph, analytical equipments.
Since existing technology needs to carry out plug between multiple instruments, the cumbersome manual operation such as tune ginseng could be complete manually
At test, therefore this traditional optical communications module test mode needs to take a substantial amount of time cost and cost of labor, test
Low efficiency.
Summary of the invention
In view of this, this application provides optical communications module test method, device and terminal device, to solve the prior art
The low problem of the testing efficiency of middle optical communications module.
The first aspect of the embodiment of the present application provides a kind of optical communications module test method, comprising:
Obtain the encoded information of optical communications module；
The optimal test parameter of the optical communications module prestored is obtained according to the encoded information, and according to described optimal
Test parameter adjusts test parameter configuration information；
Obtain test pattern configuration information, according to the test pattern configuration information and the test parameter configuration information into
The test of row optical communications module, obtains the first test result information, wherein first test result information includes optical communications module
The bit error rate；
According to first test result information and expected results information, judgement is obtained as a result, wherein expected results
Information includes the expected bit error rate.
The second aspect of the embodiment of the present application provides a kind of optical communications module test device, comprising:
Several test interfaces, for being connect with one or more optical communications modules；
First acquisition unit, for obtaining the encoded information of optical communications module；
Test parameter configuration unit, for obtaining the optimal survey of the optical communications module prestored according to the encoded information
Parameter is tried, and test parameter configuration information is adjusted according to the optimal test parameter；
Test cell, for obtaining test pattern configuration information, according to the test pattern configuration information and the test
Parameter configuration carries out optical communications module test, the first test result information is obtained, wherein first test result information
The bit error rate including optical communications module；
Judging unit, for obtaining judgement as a result, wherein according to first test result information and expected results information
The expected results information includes the expected bit error rate.
The third aspect of the embodiment of the present application provides a kind of terminal device, including memory, processor and is stored in
On reservoir and the computer program that can run on a processor, above-mentioned processor realizes above-mentioned the when executing above-mentioned computer program
On the one hand the optical communications module test method or in any possible implementation of above-mentioned first aspect referred to.
The fourth aspect of the embodiment of the present application provides a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, above-mentioned computer program realizes above-mentioned first aspect or above-mentioned first when being executed by processor
The optical communications module test method referred in any possible implementation of aspect.
Existing beneficial effect is the embodiment of the present application compared with prior art: in the embodiment of the present application, due to passing through light
The encoded information of communication module obtains the optimal test parameter of optical communications module automatically, is automatically performed cumbersome test parameter and matches
It sets, therefore avoids cumbersome manual operation, the time cost cost of labor of optical communications module test process is greatly saved, mentions
The high testing efficiency of optical communications module.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the application
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the implementation process schematic diagram of the first optical communications module test method provided by the present application；
Fig. 2 is the implementation process schematic diagram of second of optical communications module test method provided by the present application；
Fig. 3 is the schematic diagram of optical communications module test device provided by the present application；
Fig. 4 is the schematic diagram of terminal device provided by the present application.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, so as to provide a thorough understanding of the present application embodiment.However, it will be clear to one skilled in the art that there is no these specific
The application also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, so as not to obscure the description of the present application with unnecessary details.
In order to illustrate technical solution described herein, the following is a description of specific embodiments.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " instruction is described special
Sign, entirety, step, operation, the presence of element and/or component, but be not precluded one or more of the other feature, entirety, step,
Operation, the presence or addition of element, component and/or its set.
It is also understood that mesh of the term used in this present specification merely for the sake of description specific embodiment
And be not intended to limit the application.As present specification and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in present specification and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determination " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
In addition, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as in the description of the present application
Indication or suggestion relative importance.
Embodiment one:
Fig. 1 shows the flow diagram of the first optical communications module test method provided by the embodiments of the present application, this Shen
Please embodiment optical communications module test method executing subject be optical communications module test device, which preferably comprises can
Device depending on changing interface, details are as follows:
In S101, the encoded information of optical communications module is obtained.
The encoded information of optical communications module is stored in a storage unit, such as the EEPROM memory of optical communications module
In.Encoded information generally comprises the production information of the optical communications modules such as trade name, part number, sequence number, date of manufacture, and
The type information of the optical communications modules such as encapsulated type, rate.Wherein, encapsulated type include SFP, SFP+, QSFP, QSFP28,
SFP, QSFP-DD etc., rate include 10Gbit/s, 25Gbit/s, 50Gbit/s, 100Gbit/s, 200Gbit/s, 400Gbit/
S etc..
In S102, the optimal test parameter of the optical communications module prestored, and root are obtained according to the encoded information
Test parameter configuration information is adjusted according to the optimal test parameter.
The optical communications module of different model is different to the requirement of optical communications module test device, i.e., to optical communications module
The test parameter configuration requirement of test device is different, wherein test parameter may include test interface communication protocol mode parameter,
The transmission voltage amplitude parameter of test interface transmitting terminal, the Filter setting parameter of test interface transmitting terminal, test interface receive
The reception balance parameters at end etc..For the optical communications module of every kind of model, all corresponding one group of the storage of optical communications module test device
Optimal test parameter can be prestored in the database according to the type information of the optical communications module in encoded information by inquiry
Type information and optimal test parameter the table of comparisons, obtain optimal test parameter, and it is logical according to optimal test parameter to adjust light
The test parameter configuration information for believing test device, so that optical communications module test device, which is capable of providing one, is most suitable for this kind of model
Optical communications module test environment.
In S103, test pattern configuration information is obtained, according to the test pattern configuration information and the test parameter
Configuration information carries out optical communications module test, the first test result information is obtained, wherein first test result information includes
The bit error rate of optical communications module.
Optical communications module test pattern in the present embodiment includes ethernet traffic test pattern and pseudorandom bit stream
Test pattern both, test pattern configuration information specifies which kind of test pattern is current optical communications module test device be in
Under.Under ethernet traffic test pattern, the ethernet traffic generation unit of optical communications module test device generate full rate with
Too network packet data flow is sent to optical communications module to be measured by the test interface transmitting terminal of optical communications module test device；
And under pseudo-random bits stream mode, the pattern generation unit of optical communications module test device generates pseudo-random sequence code stream, passes through
The test interface transmitting terminal of optic communication test device is sent to optical communications module to be measured.Optionally, match in acquisition test pattern
Confidence breath, further includes: receive test pattern selection instruction, test pattern configuration information is set.
According to the configuration of the test parameter in current test pattern configuration information and step S102, optic communication mould is carried out
Block test.By preset length of testing speech, available first test result information, wherein the first test result information includes light
The bit error rate information of communication module.Specifically, in test, the Ethernet message data stream of optical communications module test device generation
Perhaps pseudo random sequence code stream by the transmitting terminal of test interface be sent to optical communications module optical communications module by from ring or
The Ethernet message data stream or pseudo random sequence code transmitted by optical communications module are spread light echo by the connection mode of docking
The receiving end of communication module test device, the Ethernet message data stream that optical communications module test device is originally generated by comparing
Ethernet message data stream (or the pseudorandom sequence of (either pseudo random sequence code) and being passed back through the optical communications module of receiving
Column code) data bulk and data information content, obtain the bit error rate of optical communications module to be measured.
It optionally, further include receiving length of testing speech setting instruction, when setting is tested before carrying out optical communications module test
It is long.
Optionally, after the S103, further include by first test result information and current testing time,
The encoded information of optical communications module to be measured, length of testing speech record storage in the database, to test later optical communications module
The history job information of device is inquired.
It optionally, further include the temperature information for recording current environment when the optical communications module is tested, described at this time the
One test result include test optical communications module to be measured when ambient temperature information, so as to post analysis temperature change to optic communication
The influence of module testing.
In S104, according to first test result information and expected results information, judgement is obtained as a result, wherein described
Expected results information includes the expected bit error rate.
According to the first test result information, such as the bit error rate of optical communications module to be measured tested out, believe with expected results
Breath, such as the expected bit error rate, the two compare, if the bit error rate for the optical communications module to be measured that test obtains is less than expected error code
Rate then determines that the optical communications module to be measured is qualified.
Optionally, the entire test process of above-mentioned optical communications module test method is all integrated in an optical communications module test
Device.
In the embodiment of the present application, since the encoded information by optical communications module obtains the optimal survey of optical communications module automatically
Parameter is tried, is automatically performed cumbersome test parameter configuration, and entire test process is all integrated in an optical communications module test
Device, therefore cumbersome manual operation is avoided, the time cost cost of labor of optical communications module test process is greatly saved,
Improve the testing efficiency of optical communications module.
Embodiment two:
Fig. 2 shows the flow diagram of second of optical communications module test method provided by the embodiments of the present application, this Shens
Please embodiment optical communications module test method executing subject be optical communications module test device, details are as follows:
In S201, the encoded information of optical communications module is obtained.
S201 is identical as the S101 in a upper embodiment in the present embodiment, referring specifically to the phase of S101 in a upper embodiment
Description is closed, is not repeated herein.
Optionally, before the encoded information for obtaining optical communications module, further includes:
If detecting, the encoded information of the optical communications module is not present, and receives input instruction, the optic communication is written
The encoded information of module.
Optical communications module is tested again after encoded information is written in process of production.If being detected not when testing and starting
To the encoded information of the optical communications module, illustrate that the optical communications module has not been written to encoded information, receive input instruction at this time,
Encoded information is written to the optical communications module.The encoded information includes trade name, part number, sequence number, date of manufacture etc.
The production information of optical communications module, the operation of the type information and optical communications module of the optical communications modules such as encapsulated type, rate
Program (preset drive code set section is written to optical communications module so that later the optical communications module can execute it is expected soft
Part function).
In S202, if detecting, the optimal test parameter of the corresponding optical communications module of the encoded information is not present,
Adjustment test parameter, determines the optimal test parameter of the optical communications module, and stores the optimal test of the optical communications module
Parameter.
If detecting that the optimal test parameter of the corresponding optical communications module of encoded information is not present, illustrate that light to be measured is logical
The corresponding optimal test parameter of model of letter module is not yet stored in the database of optical communications module test device, then needs to lead to
It crosses according to current optical communications module, test parameter adjustment is carried out, so that it is determined that the optimal test of such model optical communications module
Parameter, and the optimal test parameter is stored in database profession.Later, if it is identical as the current model of optical communications module to be measured
When other optical communications modules of (rate and encapsulated type are identical) are inserted into optical communications module test device, the optic communication can be passed through
The encoded information of module gets the optimal test parameter, the automatic test parameter configuration for carrying out device.
In the test parameter of adjustment optical communications module to be measured, optical communications module to be measured can be subjected to self -loop links.From
Ring refers to the receiving end that the transmitting terminal of optical communications module is connected to oneself.For the optical module in optical communications module, can pass through
Optical fiber realizes self -loop links；For the electric module in optical communications module, can be realized by cable from ring.When test parameter adjustment
Length for optical fiber or cable from ring is generally at 1 meter or so.
Specifically, the adjustment test parameter determines the optimal test parameter of the optical communications module, including following step
It is rapid:
A1: according to the rate information of the optical communications module to be measured in encoded information, the test in optimal test parameter is determined
Interface communications protocol mode parameter.
According to the rate information in the encoded information of optical communications module to be measured, determine that the test for being suitable for the optical communications module connects
Port communications protocol mode parameter.For example, the optical communications module for being 10Gbit/s for rate, test interface communication protocol mode
It is configured to SFI, XFI；The optical communications module for being 25Gbit/s for rate, test interface communication protocol pattern configurations are
Any one in 25GAUI, 25GBase-C, 25GBase-CR-S, 25GBase-CR；The light that rate is 40Gbit/s is led to
Believe that module, test interface communication protocol pattern configurations are any one in XLAUI, XLPPI, 40GBase-CR4, XLAUI2
Kind；For rate be 50Gbit/s optical communications module, test interface communication protocol pattern configurations be 50GAUI-1,
Any one in 50GBase-CR, LAUI-2,50GAUI-2,50GBase-CR2；The light that rate is 100Gbit/s is led to
Believe that module, test interface communication protocol pattern configurations are 100GAUI-2,100GBase-CR2,100GAUI-4,100GBase-
Any one in CR4；The optical communications module for being 200Gbit/s for rate, test interface communication protocol pattern configurations are
Any one in 200GAUI-4,200GBase-CR4；The optical communications module for being 400Gbit/s for rate, test interface
Communication protocol pattern configurations are any one in 400GAUI-8,40GBase-CR8.
A2: it is adjusted in ginseng range default, parameter is arranged in adjust automatically test interface.
Test interface parameter includes the filtering of transmission the voltage amplitude parameter, test interface transmitting terminal of test interface transmitting terminal
The reception balance parameters of parameter, test interface receiving end are arranged in device.For these test interface parameters, one is all respectively corresponded
It is default to adjust ginseng range, it is adjusted in ginseng range default, the parameter of each parameter can be adjusted when adjustment according to default adjusting step-length every time
Value.
A3: whether detection measurement circuit forms access, if not forming access, returns to A1 detection test interface communication protocols
Whether view mode parameter configures correctly, returns to A2 fine tuning test interface and parameter is arranged；Otherwise enter A4.
Measurement circuit refers to that test interface transmitting terminal → optical communications module → light to be measured of optical communications module test device is logical
Believe the test interface receiving end of module test device, the test signal transmission path of this whole test process.Touching can be passed through
The communication module test device that shines sends a test signal, and can detect the test signal return to optic communication within a preset time
Module test device illustrates that measurement circuit has formed access if can return.
A4: the signal of the test interface receiving end of acquisition optical communications module test device generates two-dimensional digital eye pattern；If
The digital eye pattern meets expected eye pattern mask, then enters step A5, and otherwise return step A2 finely tunes test interface setting parameter.
The signal of the test interface receiving end of optical communications module test device is by being surveyed optical communications module coding, being passed
Defeated, decoding sends back the signal of optical communications module test device, and the quality of the signal is able to reflect out surveyed optical communications module
Quality.Two-dimensional digital eye pattern is generated according to the signal, digital eye pattern is needed could be normal under the conditions of specific device parameter
Display.
A5: test interface communication protocol mode parameter, the test interface setting parameter that adjustment obtains are obtained, is determined as current
One group of optimal test parameter of optical communications module to be measured.
In S203, the optimal test parameter of the optical communications module prestored, and root are obtained according to the encoded information
Test parameter configuration information is adjusted according to the optimal test parameter.
S203 is identical as the S102 in a upper embodiment in the present embodiment, referring specifically to the phase of S102 in a upper embodiment
Description is closed, is not repeated herein.
In S204, test pattern configuration information is obtained, according to the test pattern configuration information and the test parameter
Configuration information carries out optical communications module test, the first test result information is obtained, wherein first test result information includes
The bit error rate of optical communications module.
Optionally, the step S204 is specifically included:
Test pattern configuration information is obtained, if the test pattern configuration information is ethernet traffic test pattern, is obtained
Message configuration information is taken, optical communications module test is carried out according to the message configuration information and the test parameter configuration information,
Obtain the first test result information.
When test pattern configuration information is ethernet traffic test pattern, preset message configuration information is obtained, it is described
Message configuration information is provided with the Ethernet message data that optical communications module test device generates under ethernet traffic test pattern
The information such as heading, source MAC and the target MAC (Media Access Control) address of stream, VLAN ID, message length, load.Optionally, in Ethernet
When flow rate mode is tested, setting flowing full amount total pressure is tested, such as the optical communications module for being 100Git/s for rate, can be right
The Ethernet message data stream that rate is 100Git/s should be set, so that optical communications module is surveyed in the case where full load
Examination.According to the test parameter configuration information configured in message configuration information and S201, the Ethernet report of special packet format is generated
Literary data flow, in the case where optical communications module self -loop links, the transmitting terminal by test port is sent to optic communication mould to be measured
Message data is finally returned to light by the receiving end of test port via the coding of optical communications module, transmission, decoding by block
Communication module test device, and the Ethernet message data stream of the Ethernet message data stream and return that are initially generated is divided
Analysis is compared, and the first test result information is obtained, wherein the first test result information includes the bit error rate information of optical communications module.It is right
In ethernet traffic test pattern, the bit error rate information of optical communications module is the transmitted error rate of about Ethernet message data.
Specifically, the bit error rate=transmitted error rate=message transmissions error number ÷ sends message total × 100%, wherein message transmissions
Error number=transmission message total-reception message number+error message number received.
It optionally, can be in two test interfaces of optical communications module test device in ethernet traffic test pattern
(the first test interface and the second test interface) is separately connected optical communications module (the first optical communications module and with model
Two optical communications modules), and the two optical communications modules are docked, i.e. the transmitting terminal of the first optical communications module connects the second light
The receiving end of communication module, the receiving end of the first optical communications module connect the transmitting terminal of the second optical communications module (for optical module
It is realized and is connected by optical fiber, electric module is realized by cable and is connected).The Ethernet report that optical communications module test device generates
Literary data flow is sent to the first optical communications module by the transmitting terminal of the first test interface, and the first optical communications module is again by the ether
Network packet data flow is sent to the second optical communications module, is finally again passed through Ethernet message data stream by the second optical communications module
The receiving end of second test interface returns to optical communications module test device.Topological relation is connected according to optical communications module test device
(i.e. the opposite joining relation of the first test interface and the second test interface), the mistake for sending message total, receiving message number, receiving
Transmitted error rate is calculated in message number etc., and the optical communications module which just obtains two docking divided by 2 is averaged
The bit error rate.
Optionally, if the test pattern configuration information is ethernet traffic test pattern, message configuration is obtained
Information carries out optical communications module test according to the message configuration information and the test parameter configuration information, obtains the first survey
Test result information, comprising:
If the test pattern configuration information is ethernet traffic mode, forward error correction coding configuration information and message are obtained
Configuration information, according to the forward error correction coding configuration information, the message configuration information and the test parameter configuration information
Optical communications module test is carried out, the first test result information is obtained.
Under ethernet traffic test pattern, forward error correction coding configuration information, forward error correction coding configuration information are obtained
Optical communications module is opened when forward error correction coding configuration information is to open including " opening " and " closing " two kinds of configuration informations
The forward error correction coding function of test device carries out optical communications module test, finally obtains the first test result information to carry out
The bit error rate of optical communications module to be measured in the case of forward error correction coding；When forward error correction coding configuration information is to close, close
The forward error correction coding function of black out communication module test device carries out optical communications module test, finally obtains the first test knot
Fruit is the raw Bit-Error-Rate for reflecting optical communications module original transmission channel quality to be measured.
Since optical communications module would generally connect a forward error correction encoding apparatus in practical application, it is logical to open light
The forward error correction coding function of believing module test device, obtains optical communications module to be measured in the case where carrying out forward error correction coding
The bit error rate, have actual reference value.
Optionally, the step S204 is specifically included:
Test pattern configuration information is obtained, if the test pattern configuration information is pseudorandom bit stream test pattern,
The polynomial constant configuration information for obtaining pseudo-random sequence, matches according to the polynomial constant configuration information and the test parameter
Confidence breath carries out optical communications module test, obtains the first test result information.
When test pattern configuration information is pseudorandom bit stream test pattern, the puppet of preset or user input is obtained
The polynomial constant configuration information of the polynomial constant configuration information of random sequence, the pseudo-random sequence is provided with pseudorandom ratio
The order for the pseudo random sequence code that optical communications module test device under special current test mode generates.It is configured according to polynomial constant
The test parameter configuration information configured in information and S201, generates specific pseudorandom bit stream, connects in optical communications module from ring
In the case where connecing, the transmitting terminal by test port is sent to optical communications module to be measured, via the coding of optical communications module, passes
Defeated, decoding, finally returns to optical communications module test device by the receiving end of test port for message data, and analyzed
Compare, obtain the first test result information, wherein the first test result information includes the bit error rate information of optical communications module.For
Pseudorandom bit stream test pattern calculates the error code of optical communications module according to information such as number of bit errors, length of testing speech and test rates
Rate.
In S205, according to first test result information and expected results information, judgement is obtained as a result, wherein described
Expected results information includes the expected bit error rate.
According to the first test result information, such as the bit error rate of optical communications module to be measured tested out, believe with expected results
Breath, such as the expected bit error rate, the two compare, if the bit error rate for the optical communications module to be measured that test obtains is less than expected error code
Rate then determines that the optical communications module to be measured is qualified.
Optionally, first test result information further includes signal eye diagram, and the expected results information further includes at this time
It is expected that eye pattern mask.
In optical communications module test, signal eye diagram, root are generated by the receiving end received signal of collecting test interface
The receiving end received signal quality of test interface can be qualitatively judged according to the signal eye diagram, to reflect surveyed optic communication mould
The quality of block.Expected results information further includes expected eye pattern mask at this time, if testing out of including in the first test result to
The bit error rate for surveying optical communications module is less than the expected bit error rate, and the signal eye diagram for including in the first test result meets expected eye
Artwork plate then determines that the optical communications module to be measured is qualified.
Optionally, it is obtained after determining result described according to first test result information and expected results information,
Further include:
Test information is stored in database, wherein the coding that the test information includes at least the optical communications module is believed
Breath, the first test result information and judgement result.
Optical communications module test device is integrated with database, after optical communications module is tested, by optical communications module
The test information such as encoded information, the first test result information and judgement result are stored in database, so as to later to optical communications module
The history job information of test device is inquired.Optionally, the test information can also include current testing time point,
The information such as length of testing speech, test parameter configuration information, current test environment temperature.
In the embodiment of the present application, due to the test ginseng of the encoded information Self-regulation track optical communications module by optical communications module
It counts and is stored, so that at most need to only carry out primary complete parameter adjustment for a kind of optical communications module of model
Test after being allowed to can directly obtain the corresponding optimal test parameter of optical communications module of the model, automatically according to the optimized parameter
Related test parameters adjustment is carried out, the testing efficiency of optical communications module is further improved.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present application constitutes any limit
It is fixed.
Embodiment three:
Fig. 3 shows a kind of structural schematic diagram of optical communications module test device provided by the embodiments of the present application, in order to just
In explanation, part relevant to the embodiment of the present application is illustrated only:
The optical communications module test device includes: several test interfaces 31, first acquisition unit 32, test parameter configuration
Unit 33, test cell 34, judging unit 35, these units and Interface integration are in an optical communications module test device.Its
In:
Several test interfaces 31, for being connect with one or more optical communications modules.
The optical communications module test device of the embodiment of the present application can test multiple optical communications modules simultaneously, such as can be same
When test 32 optical communications modules or simultaneously test 128 optical communications modules, the test method process of each optical communications module
All as described in the optical communications module test method described in embodiment one or embodiment two.
First acquisition unit 32, for obtaining the encoded information of optical communications module.
The encoded information of optical communications module is stored in a storage unit, such as the EEPROM memory of optical communications module
In.Encoded information generally comprises the production information of the optical communications modules such as trade name, part number, sequence number, date of manufacture, and
The type information of the optical communications modules such as encapsulated type, rate.Wherein, encapsulated type include SFP, SFP+, QSFP, QSFP28,
SFP, QSFP-DD etc., rate include 10Gbit/s, 25Gbit/s, 50Gbit/s, 100Gbit/s, 200Gbit/s, 400Gbit/
S etc..
Optionally, the optical communications module test device further includes coding unit, if for detecting the optic communication mould
The encoded information of block is not present, then receives input instruction, the encoded information of the optical communications module is written.
Optionally, the optical communications module test device further includes test parameter adjustment unit, if described for detecting
The optimal test parameter of the corresponding optical communications module of encoded information is not present, then adjustment test parameter, determines the optic communication mould
The optimal test parameter of block, and store the optimal test parameter of the optical communications module.
Test parameter configuration unit 33, for obtaining the optimal of the optical communications module prestored according to the encoded information
Test parameter, and test parameter configuration information is adjusted according to the optimal test parameter.
The optical communications module of different model is different to the requirement of optical communications module test device, i.e., to optical communications module
The test parameter configuration requirement of test device is different, wherein test parameter may include test interface communication protocol mode parameter,
The transmission voltage amplitude parameter of test interface transmitting terminal, the Filter setting parameter of test interface transmitting terminal, test interface receive
The reception balance parameters at end etc..For the optical communications module of every kind of model, all corresponding one group of the storage of optical communications module test device
Optimal test parameter can be prestored in the database according to the type information of the optical communications module in encoded information by inquiry
Type information and optimal test parameter the table of comparisons, obtain optimal test parameter, and it is logical according to optimal test parameter to adjust light
The test parameter configuration information for believing test device, so that optical communications module test device, which is capable of providing one, is most suitable for this kind of model
Optical communications module test environment.
Test cell 34, for obtaining test pattern configuration information, according to the test pattern configuration information and the survey
It tries parameter configuration and carries out optical communications module test, obtain the first test result information, wherein first test result is believed
Breath includes the bit error rate of optical communications module.
Optical communications module test pattern in the present embodiment includes ethernet traffic test pattern and pseudorandom bit stream
Test pattern both, test pattern configuration information specifies which kind of test pattern is current optical communications module test device be in
Under.Under ethernet traffic test pattern, the ethernet traffic generation unit of optical communications module test device generate full rate with
Too network packet data flow is sent to optical communications module to be measured by the test interface transmitting terminal of optical communications module test device；
And under pseudo-random bits stream mode, the pattern generation unit of optical communications module test device generates pseudo-random sequence code stream, passes through
The test interface transmitting terminal of optic communication test device is sent to optical communications module to be measured.Optionally, match in acquisition test pattern
Confidence breath, further includes: receive test pattern selection instruction, test pattern configuration information is set.
According to current test pattern configuration information and test parameter configuration information, optical communications module test is carried out.Through
Cross preset length of testing speech, available first test result information, wherein the first test result information includes optical communications module
Bit error rate information.Specifically, in test, Ethernet message data stream that optical communications module test device generates or it is pseudo- with
Machine sequence code stream is sent to optical communications module by the transmitting terminal of test interface, and optical communications module passes through the company from ring or docking
Mode is connect, the Ethernet message data stream or pseudo random sequence code transmitted by optical communications module are spread into heliograph module
The receiving end of test device, Ethernet message data stream that optical communications module test device is originally generated by comparing (or it is pseudo-
Random sequence code) with the Ethernet message data stream (or pseudo random sequence code) passed back through the optical communications module that receives
Data bulk and data information content obtain the bit error rate of optical communications module to be measured.
Optionally, the test cell 34 includes:
First test unit, for obtaining test pattern configuration information, if the test pattern configuration information is Ethernet
Flow rate test mode then obtains message configuration information, according to the message configuration information and the test parameter configuration information into
The test of row optical communications module, obtains the first test result information.
Optionally, the test cell 34 includes:
Forward error correction coding test cell obtains if being ethernet traffic mode for the test pattern configuration information
Forward error correction coding configuration information and message configuration information are configured according to the forward error correction coding configuration information, the message
Information and the test parameter configuration information carry out optical communications module test, obtain the first test result information.
Optionally, the test cell 34 includes:
Second test cell, for obtaining test pattern configuration information, if the test pattern configuration information is pseudorandom
Bit stream test pattern then obtains the polynomial constant configuration information of pseudo-random sequence, matches confidence according to the polynomial constant
Breath and the test parameter configuration information carry out optical communications module test, obtain the first test result information.
Judging unit 35, for according to first test result information and expected results information, obtain judgement as a result, its
Described in expected results information include the expected bit error rate.
According to the first test result information, such as the bit error rate of optical communications module to be measured tested out, believe with expected results
Breath, such as the expected bit error rate, the two compare, if the bit error rate for the optical communications module to be measured that test obtains is less than expected error code
Rate then determines that the optical communications module to be measured is qualified.
Optionally, first test result information further includes signal eye diagram, and the expected results information further includes at this time
It is expected that eye pattern mask.
Optionally, the optical communications module test device further include:
Length of testing speech is arranged for receiving length of testing speech setting instruction in length of testing speech setting unit.
Optionally, the optical communications module test device further include:
Database, for being stored in test information, wherein the test information includes at least the coding of the optical communications module
Information, the first test result information and judgement as a result, so as to the history job information later to optical communications module test device into
Row inquiry.Optionally, the test information can also include current testing time point, length of testing speech, test parameter with confidence
The information such as breath, current test environment temperature.
Optionally, the optical communications module test device further include:
Temperature monitoring unit, for recording the temperature information of current environment.
Optical communications module can be placed in temperature to be in the environment of variable condition, at this time the first test result packet
Containing ambient temperature information when testing optical communications module to be measured, so as to post analysis temperature change shadow that optical communications module is tested
It rings.
In the embodiment of the present application, since the encoded information by optical communications module obtains the optimal survey of optical communications module automatically
Parameter is tried, is automatically performed cumbersome test parameter configuration, and entire test process is all integrated in an optical communications module test
Device, therefore cumbersome manual operation is avoided, the time cost cost of labor of optical communications module test process is greatly saved,
Improve the testing efficiency of optical communications module.
Example IV:
Fig. 4 is the schematic diagram for the terminal device that one embodiment of the application provides.As shown in figure 4, the terminal of the embodiment is set
Standby 4 include: processor 40, memory 41 and are stored in the meter that can be run in the memory 41 and on the processor 40
Calculation machine program 42, such as optical communications module test program.The processor 40 is realized above-mentioned when executing the computer program 42
Step in each optical communications module test method embodiment, such as step S101 to S104 shown in FIG. 1.Alternatively, the place
Reason device 40 realizes the function of each unit in above-mentioned each Installation practice, such as list shown in Fig. 3 when executing the computer program 42
The function of member 32 to 35.
Illustratively, the computer program 42 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 41, and are executed by the processor 40, to complete the application.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 42 in the terminal device 4 is described.For example, the computer program 42 can be divided
It is cut into first acquisition unit, test parameter configuration unit, test cell, judging unit, each unit concrete function is as follows:
First acquisition unit, for obtaining the encoded information of optical communications module.
Test parameter configuration unit, for obtaining the optimal survey of the optical communications module prestored according to the encoded information
Parameter is tried, and test parameter configuration information is adjusted according to the optimal test parameter.
Test cell, for obtaining test pattern configuration information, according to the test pattern configuration information and the test
Parameter configuration carries out optical communications module test, the first test result information is obtained, wherein first test result information
The bit error rate including optical communications module.
Judging unit, for obtaining judgement as a result, wherein according to first test result information and expected results information
The expected results information includes the expected bit error rate.
The terminal device 4 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device may include, but be not limited only to, processor 40, memory 41.It will be understood by those skilled in the art that Fig. 4
The only example of terminal device 4 does not constitute the restriction to terminal device 4, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 40 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 41 can be the internal storage unit of the terminal device 4, such as the hard disk or interior of terminal device 4
It deposits.The memory 41 is also possible to the External memory equipment of the terminal device 4, such as be equipped on the terminal device 4
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 41 can also both include the storage inside list of the terminal device 4
Member also includes External memory equipment.The memory 41 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 41 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
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 implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
In embodiment provided herein, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the application realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It may include: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic that can carry the computer program code
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is only to illustrate the technical solution of the application, rather than its limitations；Although referring to aforementioned reality
Example is applied the application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution should all
Comprising within the scope of protection of this application.
Claims (11)
1. a kind of optical communications module test method characterized by comprising
Obtain the encoded information of optical communications module；
The optimal test parameter of the optical communications module prestored is obtained according to the encoded information, and according to the optimal test
Parameter adjusts test parameter configuration information；
Test pattern configuration information is obtained, light is carried out according to the test pattern configuration information and the test parameter configuration information
Communication module test, obtains the first test result information, wherein first test result information includes the mistake of optical communications module
Code rate；
According to first test result information and expected results information, judgement is obtained as a result, the wherein expected results information
Including the expected bit error rate.
2. optical communications module test method as described in claim 1, which is characterized in that in the volume for obtaining optical communications module
Before code information, further includes:
If detecting, the encoded information of the optical communications module is not present, and receives input instruction, the optical communications module is written
Encoded information.
3. optical communications module test method as described in claim 1, which is characterized in that obtained described according to the encoded information
Take the optimal test parameter of the optical communications module, and according to the optimal test parameter adjustment test parameter configuration information it
Before, further includes:
If detecting, the optimal test parameter of the corresponding optical communications module of the encoded information is not present, adjustment test parameter,
It determines the optimal test parameter of the optical communications module, and stores the optimal test parameter of the optical communications module.
4. optical communications module test method as described in claim 1, which is characterized in that the acquisition test pattern matches confidence
Breath carries out optical communications module test according to the test pattern configuration information and the test parameter configuration information, obtains first
Test result information, comprising:
Test pattern configuration information is obtained, if the test pattern configuration information is ethernet traffic test pattern, obtains report
Literary configuration information carries out optical communications module test according to the message configuration information and the test parameter configuration information, obtains
First test result information.
5. optical communications module test method as claimed in claim 4, which is characterized in that if the test pattern matches confidence
Breath is ethernet traffic test pattern, then message configuration information is obtained, according to the message configuration information and the test parameter
Configuration information carries out optical communications module test, obtains the first test result information, comprising:
If the test pattern configuration information is ethernet traffic mode, forward error correction coding configuration information and message configuration are obtained
Information is carried out according to the forward error correction coding configuration information, the message configuration information and the test parameter configuration information
Optical communications module test, obtains the first test result information.
6. optical communications module test method as described in claim 1, which is characterized in that the acquisition test pattern matches confidence
Breath carries out optical communications module test according to the test pattern configuration information and the test parameter configuration information, obtains first
Test result information, comprising:
Test pattern configuration information is obtained, if the test pattern configuration information is pseudorandom bit stream test pattern, is obtained
The polynomial constant configuration information of pseudo-random sequence matches confidence according to the polynomial constant configuration information and the test parameter
Breath carries out optical communications module test, obtains the first test result information.
7. the optical communications module test method as described in claim 1 any one, which is characterized in that first test result
Information further includes signal eye diagram, and the expected results information further includes expected eye pattern mask at this time.
8. optical communications module test method as claimed in any one of claims 1 to 7, which is characterized in that described according to institute
The first test result information and expected results information are stated, is obtained after determining result, further includes:
Test information is stored in database, wherein the test information includes at least the encoded information of the optical communications module, the
One test result information and judgement result.
9. a kind of optical communications module test device characterized by comprising
Several test interfaces, for being connect with one or more optical communications modules；
First acquisition unit, for obtaining the encoded information of optical communications module；
Test parameter configuration unit, the optimal test for obtaining the optical communications module prestored according to the encoded information are joined
Number, and test parameter configuration information is adjusted according to the optimal test parameter；
Test cell, for obtaining test pattern configuration information, according to the test pattern configuration information and the test parameter
Configuration information carries out optical communications module test, the first test result information is obtained, wherein first test result information includes
The bit error rate of optical communications module；
Judging unit, for according to first test result information and expected results information, obtaining judgement as a result, wherein described
Expected results information includes the expected bit error rate.
10. a kind of terminal device, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 8 when executing the computer program
The step of any one the method.
11. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as claim 1 to 8 of realization the method.
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