CN109450732A - A kind of test method, device, terminal and the storage medium of analog optical fiber on-off - Google Patents
A kind of test method, device, terminal and the storage medium of analog optical fiber on-off Download PDFInfo
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- CN109450732A CN109450732A CN201811367866.0A CN201811367866A CN109450732A CN 109450732 A CN109450732 A CN 109450732A CN 201811367866 A CN201811367866 A CN 201811367866A CN 109450732 A CN109450732 A CN 109450732A
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- optical attenuator
- adjustable optical
- enhancing
- period
- information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
Abstract
The present invention provides test method, device, terminal and the storage medium of a kind of analog optical fiber on-off, comprising: adjustable optical attenuator is connected to network apparatus test；Damped cycle and the enhancing period of adjustable optical attenuator are set；Testing time is set；Adjustable optical attenuator cycle alternation, which is controlled, according to the testing time executes damped cycle and enhancing period；Obtain the performance information of network apparatus test in adjustable optical attenuator implementation procedure.The present invention can control multiple, prolonged network test, can postpone to carry out power on/off effect, realize multiple on-off, delay on-off and other effects of analog optical fiber, simple, practical and the problem of not will cause physical damage caused by manual on-off.
Description
Technical field
The invention belongs to technical field of network test, and in particular to a kind of test method of analog optical fiber on-off, device, end
End and storage medium.
Background technique
Network test is the pith of server, and in the test of network, the on-off of network, which is that industry is generally acknowledged, to be surveyed
Project, all system manufacturers and network equipment vendor (network interface card, interchanger) will network apparatus test on-off function, still
Method currently with manual on-off is more original, expends a large amount of manual time, and being easy to produce some accidental operations causes to damage,
Unnecessary influence is generated on result, and on-off is all the mode of clean cut, many actual " delays " can not be simulated
Cutting is (for example, optical fiber has the process being stretched, the light before signal is lost completely before optical fiber is pulled off or is cut off
The power of signal can gradually decay).
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the test method of analog optical fiber on-off a kind of, device, terminal and deposits
Storage media, to solve the above technical problems.
In a first aspect, the embodiment of the present application provides a kind of test method of analog optical fiber on-off, which comprises
Adjustable optical attenuator is connected to network apparatus test；
Damped cycle and the enhancing period of adjustable optical attenuator are set；
Testing time is set；
Adjustable optical attenuator cycle alternation, which is controlled, according to the testing time executes damped cycle and enhancing period；
Obtain the performance information of network apparatus test in adjustable optical attenuator implementation procedure.
With reference to first aspect, described that declining for adjustable optical attenuator is set in the first embodiment of first aspect
Subtract the period and the enhancing period includes:
Obtain the normal light wave number under optical fiber connected state；
Setting attenuation slope and off-state duration simultaneously continue a decay persistence time and an off-state
Time is as a damped cycle；
Setting enhancing slope and connected state duration simultaneously will once enhance the duration and a connected state continues
Time is as an enhancing period.
With reference to first aspect, in second of embodiment of first aspect, described controlled according to testing time be can adjust
Optical attenuator cycle alternation executes damped cycle and the enhancing period includes:
A damped cycle will be executed using count function and an enhancing period is denoted as primary test；
Judge whether current testing time reaches setting testing time:
It is, then adjustable optical attenuator out of service and output performance information；
It is no, then continue to execute adjustable optical attenuator cycle period.
With reference to first aspect, described to obtain adjustable optical attenuator execution in the third embodiment of first aspect
The performance information of network apparatus test includes: in the process
System log message is immediately obtained after adjustable optical attenuator has executed a damped cycle and what be will acquire is
Log information of uniting is labeled as the decaying log of current testing time；
System log message is immediately obtained after adjustable optical attenuator has executed the primary enhancing period and what be will acquire is
Log information of uniting is labeled as the enhancing log of current testing time；
Error information in screening system log information and the mark information for exporting error information and the error information.
Second aspect, the embodiment of the present application provide a kind of test device of analog optical fiber on-off, and described device includes:
Equipment connection unit is configured to adjustable optical attenuator being connected to network apparatus test；
Period setting unit is configured to that the damped cycle of adjustable optical attenuator and enhancing period is arranged；
Number setting unit is configured to setting testing time；
It is alternately performed unit, is configured to control adjustable optical attenuator cycle alternation according to the testing time and execute to decline
Subtract period and enhancing period；
Information acquisition unit is configured to obtain the performance letter of network apparatus test in adjustable optical attenuator implementation procedure
Breath.
In conjunction with second aspect, in the first embodiment of second aspect, the period setting unit includes:
Parameter acquisition module is configured to obtain the normal light wave number under optical fiber connected state；
Decay setup module, is configured to setting attenuation slope and off-state duration and when by a decay persistence
Between and an off-state duration as a damped cycle；
Enhance setup module, when being configured to setting enhancing slope and connected state duration and once will enhance lasting
Between and a connected state duration as an enhancing period.
In conjunction with second aspect, in second of embodiment of second aspect, the unit that is alternately performed includes:
Test record module is configured to that a damped cycle will be executed using count function and an enhancing period is remembered
Once to test；
Number judgment module is configured to judge whether current testing time reaches setting testing time；
Stopping modular is tested, adjustable optical attenuator out of service and output performance information are configured to；
Test continues module, is configured to continue to execute adjustable optical attenuator cycle period.
In conjunction with second aspect, in the third embodiment of second aspect, the information acquisition unit includes:
Decaying obtains module, is configured to immediately obtain system after adjustable optical attenuator has executed a damped cycle
Log information and the system log message that will acquire are labeled as the decaying log of current testing time；
Enhancing obtains module, is configured to immediately obtain system after adjustable optical attenuator has executed the primary enhancing period
Log information and the system log message that will acquire are labeled as the enhancing log of current testing time；
Mistake screening module, the error information being configured in screening system log information simultaneously export error information and described
The mark information of error information.
The third aspect provides a kind of terminal, comprising:
Processor, memory, wherein
The memory is used to store computer program,
The processor from memory for calling and running the computer program, so that terminal executes above-mentioned end
The method for holding terminal.
Fourth aspect provides a kind of computer storage medium, instruction is stored in the computer readable storage medium,
When run on a computer, so that computer executes method described in above-mentioned various aspects.
5th aspect, provides a kind of computer program product comprising instruction, when run on a computer, so that
Computer executes method described in above-mentioned various aspects.
The beneficial effects of the present invention are,
Test method, device, terminal and the storage medium of analog optical fiber on-off provided by the invention, it is adjustable by introducing
Optical attenuator, and the damped cycle of adjustable optical attenuator is set and enhances period analog optical fiber and is stretched to disconnection and is restored to
Normal process additionally controls adjustable optical attenuator cycle alternation by setting testing time and executes damped cycle and enhancing
Period realizes a large amount of multiple network tests, finally by the performance for obtaining the network equipment in adjustable optical attenuator implementation procedure
Information characterizes the network performance qualitative, quantitative of the network equipment.The present invention can control multiple, prolonged network test, can prolong
Power on/off effect is carried out late, realizes multiple on-off, delay on-off and other effects of analog optical fiber, it is simple, practical and not will cause hand
The problem of physical damage caused by dynamic on-off.
In addition, design principle of the present invention is reliable, structure is simple, has very extensive application prospect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic flow chart of the method for the application one embodiment.
Fig. 2 is the schematic block diagram of the device of the application one embodiment.
Fig. 3 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
The Key Term occurred in the application is explained below.
Fig. 1 is the schematic flow chart of the method for the application one embodiment.Wherein, Fig. 1 executing subject can be one kind
The test device of analog optical fiber on-off.
As shown in Figure 1, this method 100 includes:
Step 110, adjustable optical attenuator is connected to network apparatus test；
Step 120, damped cycle and the enhancing period of adjustable optical attenuator are set；
Step 130, testing time is set；
Step 140, adjustable optical attenuator cycle alternation is controlled according to the testing time and executes damped cycle and enhancing
Period；
Step 150, the performance information of network apparatus test in adjustable optical attenuator implementation procedure is obtained.
Optionally, as the application one embodiment, the damped cycle that adjustable optical attenuator is arranged and enhancing week
Phase includes:
Obtain the normal light wave number under optical fiber connected state；
Setting attenuation slope and off-state duration simultaneously continue a decay persistence time and an off-state
Time is as a damped cycle；
Setting enhancing slope and connected state duration simultaneously will once enhance the duration and a connected state continues
Time is as an enhancing period.
Optionally, described that adjustable optical attenuator circulation friendship is controlled according to testing time as the application one embodiment
Include: for damped cycle and enhancing period is executed
A damped cycle will be executed using count function and an enhancing period is denoted as primary test；
Judge whether current testing time reaches setting testing time:
It is, then adjustable optical attenuator out of service and output performance information；
It is no, then continue to execute adjustable optical attenuator cycle period.
Optionally, described to obtain test network in adjustable optical attenuator implementation procedure as the application one embodiment
The performance information of equipment includes:
System log message is immediately obtained after adjustable optical attenuator has executed a damped cycle and what be will acquire is
Log information of uniting is labeled as the decaying log of current testing time；
System log message is immediately obtained after adjustable optical attenuator has executed the primary enhancing period and what be will acquire is
Log information of uniting is labeled as the enhancing log of current testing time；
Error information in screening system log information and the mark information for exporting error information and the error information.
In order to facilitate the understanding of the present invention, below with the principle of the test method of analog optical fiber on-off of the present invention, in conjunction with
In embodiment to optical fiber carry out simulation on off test process, to the test method of analog optical fiber on-off provided by the invention do into
The description of one step.
Specifically, the test method of the analog optical fiber on-off includes:
S1, adjustable optical attenuator is connected to network apparatus test.
S2, the damped cycle that adjustable optical attenuator is set and enhancing period.
Obtain the normal light wave number P under optical fiber connected state.
The attenuation slope k1 and off-state duration t1 of adjustable optical attenuator are set, by a decay persistence time
(light wave is decayed to for 0 time by P) He Yici off-state duration as a damped cycle T1, then
The enhancing slope k 2 and connected state duration t2 of adjustable optical attenuator are set, will once be enhanced the duration
(light wave by 0 enhancing to P time) the He Yici connected state duration as a damped cycle T2, then
S3, setting testing time.
It is 500 times that testing time is arranged in the present embodiment.The test execution time also can be set in other embodiments,
Circulation executes test and stops test after reaching the test execution time.
S4, adjustable optical attenuator cycle alternation execution damped cycle and enhancing period are controlled according to the testing time.
Testing time is recorded using count function, by adjustable optical attenuator by a damped cycle and primary enhancing
Period is denoted as primary test.It controls adjustable optical attenuator cycle alternation to execute damped cycle and enhance the period, in the present embodiment
The alternating in two kinds of periods is seamless connection, i.e., another period is immediately entered after the completion of a kind of period.In other embodiments
In two kinds of periods alternating may exist buffer time.
Judge whether current testing time reaches the testing time of setting, test output test is exited if reaching and is obtained
Device capability information, continue to test if not reaching.
S5, the performance information for obtaining network apparatus test in adjustable optical attenuator implementation procedure.
In the present embodiment, system log letter is immediately obtained after adjustable optical attenuator has executed a damped cycle every time
It ceases and the system log message that will acquire is labeled as the decaying log of current testing time；One has been executed in adjustable optical attenuator
System log message is immediately obtained after the secondary enhancing period and the system log message that will acquire is labeled as the increasing of current testing time
Strong log, that is to say, that once test available decaying log and enhancing two parts of files of log.After the completion of test, screening is obtained
All system log messages in error information, by the mark information of error information and error information export, be used for tester
The performance evaluation of member, analysis is mainly corresponding by carrying out error information with light wave period of change, to obtain the property of equipment
Energy information, when such as light wave decaying, it is better that more late performance occurs in the error information of functional module；When light wave enhances, functional module
Error information disappearance is more early, and performance is better.
In other embodiments, system log message can be with real-time collecting.
If Fig. 2 shows, which includes:
Equipment connection unit 210, the equipment connection unit 210 are used to adjustable optical attenuator being connected to test network
Equipment；
Period setting unit 220, the period setting unit 220 be used for be arranged adjustable optical attenuator damped cycle and
Enhance the period；
Number setting unit 230, the number setting unit 230 is for being arranged testing time；
It is alternately performed unit 240, the unit 240 that is alternately performed is for controlling adjustable light decay according to the testing time
Subtract device cycle alternation and executes damped cycle and enhancing period；
Information acquisition unit 250, the information acquisition unit 250 are surveyed in adjustable optical attenuator implementation procedure for obtaining
Try the performance information of the network equipment.
Optionally, as the application one embodiment, the period setting unit includes:
Parameter acquisition module is configured to obtain the normal light wave number under optical fiber connected state；
Decay setup module, is configured to setting attenuation slope and off-state duration and when by a decay persistence
Between and an off-state duration as a damped cycle；
Enhance setup module, when being configured to setting enhancing slope and connected state duration and once will enhance lasting
Between and a connected state duration as an enhancing period.
Optionally, as the application one embodiment, the unit that is alternately performed includes:
Test record module is configured to that a damped cycle will be executed using count function and an enhancing period is remembered
Once to test；
Number judgment module is configured to judge whether current testing time reaches setting testing time；
Stopping modular is tested, adjustable optical attenuator out of service and output performance information are configured to；
Test continues module, is configured to continue to execute adjustable optical attenuator cycle period.
Optionally, as the application one embodiment, the information acquisition unit includes:
Decaying obtains module, is configured to immediately obtain system after adjustable optical attenuator has executed a damped cycle
Log information and the system log message that will acquire are labeled as the decaying log of current testing time；
Enhancing obtains module, is configured to immediately obtain system after adjustable optical attenuator has executed the primary enhancing period
Log information and the system log message that will acquire are labeled as the enhancing log of current testing time；
Mistake screening module, the error information being configured in screening system log information simultaneously export error information and described
The mark information of error information.
Fig. 3 is a kind of structural schematic diagram of terminal installation 300 provided in an embodiment of the present invention, which can be with
For executing the method provided by the embodiments of the present application for updating heat dissipation policing parameter.
Wherein, which may include: processor 310, memory 320 and communication unit 330.These components
It is communicated by one or more bus, it will be understood by those skilled in the art that the structure of server shown in figure is not
The restriction to the application is constituted, it is also possible to hub-and-spoke configuration either busbar network, can also include more than illustrating
Or less component, perhaps combine certain components or different component layouts.
Wherein, which can be used for executing instruction for storage processor 310, and memory 320 can be by any class
The volatibility or non-volatile memories terminal or their combination of type are realized, such as static random access memory (SRAM), electricity
Erasable Programmable Read Only Memory EPROM (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory
(PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.When executing instruction in memory 320
When being executed by processor 310, so that terminal 300 some or all of is able to carry out in following above method embodiment step.
Processor 310 is the control centre for storing terminal, utilizes each of various interfaces and the entire electric terminal of connection
A part by running or execute the software program and/or module that are stored in memory 320, and calls and is stored in storage
Data in device, to execute the various functions and/or processing data of electric terminal.The processor can be by integrated circuit
(Integrated Circuit, abbreviation IC) composition, such as the IC that can be encapsulated by single are formed, can also be by more of connection
The encapsulation IC of identical function or different function and form.For example, processor 310 can only include central processing unit
(Central Processing Unit, abbreviation CPU).In the application embodiment, CPU can be single operation core, can also
To include multioperation core.
Communication unit 330, for establishing communication channel, so that the storage terminal be allow to be led to other terminals
Letter.It receives the user data of other terminals transmission or sends user data to other terminals.
The application also provides a kind of computer storage medium, wherein the computer storage medium can be stored with program, the journey
Sequence may include step some or all of in each embodiment provided by the present application when executing.The storage medium can for magnetic disk,
CD, read-only memory (English: read-only memory, referred to as: ROM) or random access memory (English:
Random access memory, referred to as: RAM) etc..
Therefore, the application is by introducing adjustable optical attenuator, and damped cycle and the increasing of adjustable optical attenuator is arranged
Strong period analog optical fiber is stretched to disconnection and is restored to normal process, is additionally controlled by setting testing time adjustable
Optical attenuator cycle alternation executes damped cycle and enhances a large amount of multiple network tests of period realization, adjustable finally by obtaining
The performance information of the network equipment characterizes the network performance qualitative, quantitative of the network equipment in whole optical attenuator implementation procedure.The present invention
Multiple, prolonged network test can be controlled, can postpone to carry out power on/off effect, realize the multiple on-off of analog optical fiber, prolong
Slow on-off and other effects, simple, practical and the problem of not will cause physical damage caused by manual on-off, the present embodiment can reach
Technical effect may refer to described above, details are not described herein again.
It is required that those skilled in the art can be understood that the technology in the embodiment of the present application can add by software
The mode of general hardware platform realize.Based on this understanding, the technical solution in the embodiment of the present application substantially or
Say that the part that contributes to existing technology can be embodied in the form of software products, which is stored in
Such as USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory in one storage medium
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk, including it is several
Instruction is used so that a terminal (can be personal computer, server or second terminal, the network terminal etc.) is held
Row all or part of the steps of the method according to each embodiment of the present invention.
Same and similar part may refer to each other between each embodiment in this specification.Implement especially for terminal
For example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring in embodiment of the method
Explanation.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, 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, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of test method of analog optical fiber on-off, which is characterized in that the described method includes:
Adjustable optical attenuator is connected to network apparatus test；
Damped cycle and the enhancing period of adjustable optical attenuator are set；
Testing time is set；
Adjustable optical attenuator cycle alternation, which is controlled, according to the testing time executes damped cycle and enhancing period；
Obtain the performance information of network apparatus test in adjustable optical attenuator implementation procedure.
2. the method according to claim 1, wherein the damped cycle that adjustable optical attenuator is arranged and increasing
The period includes: by force
Obtain the normal light wave number under optical fiber connected state；
Attenuation slope and off-state duration are set and by a decay persistence time and an off-state duration
As a damped cycle；
Setting enhancing slope and connected state duration simultaneously will once enhance duration and a connected state duration
As an enhancing period.
3. the method according to claim 1, wherein described follow according to the adjustable optical attenuator of testing time control
Ring is alternately performed damped cycle and the enhancing period includes:
A damped cycle will be executed using count function and an enhancing period is denoted as primary test；
Judge whether current testing time reaches setting testing time:
It is, then adjustable optical attenuator out of service and output performance information；
It is no, then continue to execute adjustable optical attenuator cycle period.
4. the method according to claim 1, wherein described obtain is tested in adjustable optical attenuator implementation procedure
The performance information of the network equipment includes:
The system day that immediately obtains system log message after adjustable optical attenuator has executed a damped cycle and will acquire
Will information flag is the decaying log of current testing time；
The system day that immediately obtains system log message after the primary enhancing period and will acquire has been executed in adjustable optical attenuator
Will information flag is the enhancing log of current testing time；
Error information in screening system log information and the mark information for exporting error information and the error information.
5. a kind of test device of analog optical fiber on-off, which is characterized in that described device includes:
Equipment connection unit is configured to adjustable optical attenuator being connected to network apparatus test；
Period setting unit is configured to that the damped cycle of adjustable optical attenuator and enhancing period is arranged；
Number setting unit is configured to setting testing time；
It is alternately performed unit, is configured to control adjustable optical attenuator cycle alternation execution decaying week according to the testing time
Phase and enhancing period；
Information acquisition unit is configured to obtain the performance information of network apparatus test in adjustable optical attenuator implementation procedure.
6. device according to claim 5, which is characterized in that the period setting unit includes:
Parameter acquisition module is configured to obtain the normal light wave number under optical fiber connected state；
Decay setup module, be configured to setting attenuation slope and off-state duration and by decay persistence time and
Off-state duration is as a damped cycle；
Enhance setup module, be configured to setting enhancing slope and the connected state duration and will once enhance the duration and
Connected state duration is as an enhancing period.
7. device according to claim 5, which is characterized in that the unit that is alternately performed includes:
Test record module is configured to that a damped cycle will be executed using count function and an enhancing period is denoted as one
Secondary test；
Number judgment module is configured to judge whether current testing time reaches setting testing time；
Stopping modular is tested, adjustable optical attenuator out of service and output performance information are configured to；
Test continues module, is configured to continue to execute adjustable optical attenuator cycle period.
8. device according to claim 5, which is characterized in that the information acquisition unit includes:
Decaying obtains module, is configured to immediately obtain system log after adjustable optical attenuator has executed a damped cycle
Information and the system log message that will acquire are labeled as the decaying log of current testing time；
Enhancing obtains module, is configured to immediately obtain system log after adjustable optical attenuator has executed the primary enhancing period
Information and the system log message that will acquire are labeled as the enhancing log of current testing time；
Mistake screening module, the error information being configured in screening system log information simultaneously export error information and described report an error
The mark information of information.
9. a kind of terminal characterized by comprising
Processor；
The memory executed instruction for storage processor；
Wherein, the processor is configured to perform claim requires the described in any item methods of 1-4.
10. a kind of computer readable storage medium for being stored with computer program, which is characterized in that the program is executed by processor
Shi Shixian method for example of any of claims 1-4.
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| CN206542537U (en) * | 2016-07-29 | 2017-10-03 | 四川天邑康和通信股份有限公司 | A kind of test system of EPON light cat |
| CN106341181A (en) * | 2016-08-26 | 2017-01-18 | 成都九洲迪飞科技有限责任公司 | Fiber link test system |
| CN107919908A (en) * | 2017-12-29 | 2018-04-17 | 上海航天科工电器研究院有限公司 | A kind of optical module receiving terminal sensitivity test system and its test method |
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